using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Threading;
using System.Threading.Tasks;
using BTCPayServer.Client;
using BTCPayServer.Client.Models;
using BTCPayServer.Controllers;
using BTCPayServer.Events;
using BTCPayServer.JsonConverters;
using BTCPayServer.Lightning;
using BTCPayServer.Models.InvoicingModels;
using BTCPayServer.Services;
using BTCPayServer.Services.Notifications;
using BTCPayServer.Services.Notifications.Blobs;
using BTCPayServer.Tests.Logging;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using NBitcoin;
using NBitcoin.OpenAsset;
using NBitcoin.Payment;
using NBitpayClient;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using Xunit;
using Xunit.Abstractions;
using CreateApplicationUserRequest = BTCPayServer.Client.Models.CreateApplicationUserRequest;
using JsonReader = Newtonsoft.Json.JsonReader;

namespace BTCPayServer.Tests
{
    public class GreenfieldAPITests
    {
        public const int TestTimeout = TestUtils.TestTimeout;
        public GreenfieldAPITests(ITestOutputHelper helper)
        {
            Logs.Tester = new XUnitLog(helper) { Name = "Tests" };
            Logs.LogProvider = new XUnitLogProvider(helper);
        }

        [Fact(Timeout = TestTimeout)]
        [Trait("Integration", "Integration")]
        public async Task ApiKeysControllerTests()
        {
            using (var tester = ServerTester.Create())
            {
                await tester.StartAsync();
                var user = tester.NewAccount();
                user.GrantAccess();
                await user.MakeAdmin();
                var client = await user.CreateClient(Policies.CanViewProfile);
                var clientBasic = await user.CreateClient();
                //Get current api key 
                var apiKeyData = await client.GetCurrentAPIKeyInfo();
                Assert.NotNull(apiKeyData);
                Assert.Equal(client.APIKey, apiKeyData.ApiKey);
                Assert.Single(apiKeyData.Permissions);

                //a client using Basic Auth has no business here
                await AssertHttpError(401, async () => await clientBasic.GetCurrentAPIKeyInfo());

                //revoke current api key
                await client.RevokeCurrentAPIKeyInfo();
                await AssertHttpError(401, async () => await client.GetCurrentAPIKeyInfo());
                //a client using Basic Auth has no business here
                await AssertHttpError(401, async () => await clientBasic.RevokeCurrentAPIKeyInfo());
            }
        }


        [Fact(Timeout = TestTimeout)]
        [Trait("Integration", "Integration")]
        public async Task SpecificCanModifyStoreCantCreateNewStore()
        {
            using (var tester = ServerTester.Create())
            {
                await tester.StartAsync();
                var acc = tester.NewAccount();
                await acc.GrantAccessAsync();
                var unrestricted = await acc.CreateClient();
                var response = await unrestricted.CreateStore(new CreateStoreRequest() { Name = "mystore" });
                var apiKey = (await unrestricted.CreateAPIKey(new CreateApiKeyRequest() { Permissions = new[] { Permission.Create("btcpay.store.canmodifystoresettings", response.Id) } })).ApiKey;
                var restricted = new BTCPayServerClient(unrestricted.Host, apiKey);

                // Unscoped permission should be required for create store
                await this.AssertHttpError(403, async () => await restricted.CreateStore(new CreateStoreRequest() { Name = "store2" }));
                // Unrestricted should work fine
                await unrestricted.CreateStore(new CreateStoreRequest() { Name = "store2" });
                // Restricted but unscoped should work fine
                apiKey = (await unrestricted.CreateAPIKey(new CreateApiKeyRequest() { Permissions = new[] { Permission.Create("btcpay.store.canmodifystoresettings") } })).ApiKey;
                restricted = new BTCPayServerClient(unrestricted.Host, apiKey);
                await restricted.CreateStore(new CreateStoreRequest() { Name = "store2" });
            }
        }

        [Fact(Timeout = TestTimeout)]
        [Trait("Integration", "Integration")]
        public async Task CanCreateAndDeleteAPIKeyViaAPI()
        {
            using (var tester = ServerTester.Create())
            {
                await tester.StartAsync();
                var acc = tester.NewAccount();
                await acc.GrantAccessAsync();
                var unrestricted = await acc.CreateClient();
                var apiKey = await unrestricted.CreateAPIKey(new CreateApiKeyRequest()
                {
                    Label = "Hello world",
                    Permissions = new Permission[] { Permission.Create(Policies.CanViewProfile) }
                });
                Assert.Equal("Hello world", apiKey.Label);
                var p = Assert.Single(apiKey.Permissions);
                Assert.Equal(Policies.CanViewProfile, p.Policy);

                var restricted = acc.CreateClientFromAPIKey(apiKey.ApiKey);
                await AssertHttpError(403,
                    async () => await restricted.CreateAPIKey(new CreateApiKeyRequest()
                    {
                        Label = "Hello world2",
                        Permissions = new Permission[] { Permission.Create(Policies.CanViewProfile) }
                    }));

                await unrestricted.RevokeAPIKey(apiKey.ApiKey);
                await AssertHttpError(404, async () => await unrestricted.RevokeAPIKey(apiKey.ApiKey));
            }
        }

        [Fact(Timeout = TestTimeout)]
        [Trait("Integration", "Integration")]
        public async Task CanCreateUsersViaAPI()
        {
            using (var tester = ServerTester.Create(newDb: true))
            {
                tester.PayTester.DisableRegistration = true;
                await tester.StartAsync();
                var unauthClient = new BTCPayServerClient(tester.PayTester.ServerUri);
                await AssertValidationError(new[] { "Email", "Password" },
                    async () => await unauthClient.CreateUser(new CreateApplicationUserRequest()));
                await AssertValidationError(new[] { "Password" },
                    async () => await unauthClient.CreateUser(
                        new CreateApplicationUserRequest() { Email = "test@gmail.com" }));
                // Pass too simple
                await AssertValidationError(new[] { "Password" },
                    async () => await unauthClient.CreateUser(
                        new CreateApplicationUserRequest() { Email = "test3@gmail.com", Password = "a" }));

                // We have no admin, so it should work
                var user1 = await unauthClient.CreateUser(
                    new CreateApplicationUserRequest() { Email = "test@gmail.com", Password = "abceudhqw" });
                Assert.Empty(user1.Roles);

                // We have no admin, so it should work
                var user2 = await unauthClient.CreateUser(
                    new CreateApplicationUserRequest() { Email = "test2@gmail.com", Password = "abceudhqw" });
                Assert.Empty(user2.Roles);

                // Duplicate email
                await AssertValidationError(new[] { "Email" },
                    async () => await unauthClient.CreateUser(
                        new CreateApplicationUserRequest() { Email = "test2@gmail.com", Password = "abceudhqw" }));

                // Let's make an admin
                var admin = await unauthClient.CreateUser(new CreateApplicationUserRequest()
                {
                    Email = "admin@gmail.com",
                    Password = "abceudhqw",
                    IsAdministrator = true
                });
                Assert.Contains("ServerAdmin", admin.Roles);
                Assert.NotNull(admin.Created);
                Assert.True((DateTimeOffset.Now - admin.Created).Value.Seconds < 10);

                // Creating a new user without proper creds is now impossible (unauthorized) 
                // Because if registration are locked and that an admin exists, we don't accept unauthenticated connection
                await AssertHttpError(401,
                    async () => await unauthClient.CreateUser(
                        new CreateApplicationUserRequest() { Email = "test3@gmail.com", Password = "afewfoiewiou" }));


                // But should be ok with subscriptions unlocked
                var settings = tester.PayTester.GetService<SettingsRepository>();
                await settings.UpdateSetting<PoliciesSettings>(new PoliciesSettings() { LockSubscription = false });
                await unauthClient.CreateUser(
                    new CreateApplicationUserRequest() { Email = "test3@gmail.com", Password = "afewfoiewiou" });

                // But it should be forbidden to create an admin without being authenticated
                await AssertHttpError(403,
                    async () => await unauthClient.CreateUser(new CreateApplicationUserRequest()
                    {
                        Email = "admin2@gmail.com",
                        Password = "afewfoiewiou",
                        IsAdministrator = true
                    }));
                await settings.UpdateSetting<PoliciesSettings>(new PoliciesSettings() { LockSubscription = true });

                var adminAcc = tester.NewAccount();
                adminAcc.UserId = admin.Id;
                adminAcc.IsAdmin = true;
                var adminClient = await adminAcc.CreateClient(Policies.CanModifyProfile);

                // We should be forbidden to create a new user without proper admin permissions
                await AssertHttpError(403,
                    async () => await adminClient.CreateUser(
                        new CreateApplicationUserRequest() { Email = "test4@gmail.com", Password = "afewfoiewiou" }));
                await AssertHttpError(403,
                    async () => await adminClient.CreateUser(new CreateApplicationUserRequest()
                    {
                        Email = "test4@gmail.com",
                        Password = "afewfoiewiou",
                        IsAdministrator = true
                    }));

                // However, should be ok with the unrestricted permissions of an admin
                adminClient = await adminAcc.CreateClient(Policies.Unrestricted);
                await adminClient.CreateUser(
                    new CreateApplicationUserRequest() { Email = "test4@gmail.com", Password = "afewfoiewiou" });
                // Even creating new admin should be ok
                await adminClient.CreateUser(new CreateApplicationUserRequest()
                {
                    Email = "admin4@gmail.com",
                    Password = "afewfoiewiou",
                    IsAdministrator = true
                });

                var user1Acc = tester.NewAccount();
                user1Acc.UserId = user1.Id;
                user1Acc.IsAdmin = false;
                var user1Client = await user1Acc.CreateClient(Policies.CanModifyServerSettings);

                // User1 trying to get server management would still fail to create user
                await AssertHttpError(403,
                    async () => await user1Client.CreateUser(
                        new CreateApplicationUserRequest() { Email = "test8@gmail.com", Password = "afewfoiewiou" }));

                // User1 should be able to create user if subscription unlocked
                await settings.UpdateSetting<PoliciesSettings>(new PoliciesSettings() { LockSubscription = false });
                await user1Client.CreateUser(
                    new CreateApplicationUserRequest() { Email = "test8@gmail.com", Password = "afewfoiewiou" });

                // But not an admin
                await AssertHttpError(403,
                    async () => await user1Client.CreateUser(new CreateApplicationUserRequest()
                    {
                        Email = "admin8@gmail.com",
                        Password = "afewfoiewiou",
                        IsAdministrator = true
                    }));

                // If we set DisableNonAdminCreateUserApi = true, it should always fail to create a user unless you are an admin
                await settings.UpdateSetting(new PoliciesSettings() { LockSubscription = false, DisableNonAdminCreateUserApi = true });
                await AssertHttpError(403,
                    async () =>
                        await unauthClient.CreateUser(
                            new CreateApplicationUserRequest() { Email = "test9@gmail.com", Password = "afewfoiewiou" }));
                await AssertHttpError(403,
                    async () =>
                        await user1Client.CreateUser(
                            new CreateApplicationUserRequest() { Email = "test9@gmail.com", Password = "afewfoiewiou" }));
                await adminClient.CreateUser(
                    new CreateApplicationUserRequest() { Email = "test9@gmail.com", Password = "afewfoiewiou" });

            }
        }

        [Fact]
        [Trait("Integration", "Integration")]
        public async Task CanUsePullPaymentViaAPI()
        {
            using (var tester = ServerTester.Create())
            {
                await tester.StartAsync();
                var acc = tester.NewAccount();
                acc.Register();
                acc.CreateStore();
                var storeId = (await acc.RegisterDerivationSchemeAsync("BTC", importKeysToNBX: true)).StoreId;
                var client = await acc.CreateClient();
                var result = await client.CreatePullPayment(storeId, new Client.Models.CreatePullPaymentRequest()
                {
                    Name = "Test",
                    Amount = 12.3m,
                    Currency = "BTC",
                    PaymentMethods = new[] { "BTC" }
                });

                void VerifyResult()
                {
                    Assert.Equal("Test", result.Name);
                    Assert.Null(result.Period);
                    // If it contains ? it means that we are resolving an unknown route with the link generator
                    Assert.DoesNotContain("?", result.ViewLink);
                    Assert.False(result.Archived);
                    Assert.Equal("BTC", result.Currency);
                    Assert.Equal(12.3m, result.Amount);
                }
                VerifyResult();

                var unauthenticated = new BTCPayServerClient(tester.PayTester.ServerUri);
                result = await unauthenticated.GetPullPayment(result.Id);
                VerifyResult();
                await AssertHttpError(404, async () => await unauthenticated.GetPullPayment("lol"));
                // Can't list pull payments unauthenticated
                await AssertHttpError(401, async () => await unauthenticated.GetPullPayments(storeId));

                var pullPayments = await client.GetPullPayments(storeId);
                result = Assert.Single(pullPayments);
                VerifyResult();

                Thread.Sleep(1000);
                var test2 = await client.CreatePullPayment(storeId, new Client.Models.CreatePullPaymentRequest()
                {
                    Name = "Test 2",
                    Amount = 12.3m,
                    Currency = "BTC",
                    PaymentMethods = new[] { "BTC" }
                });

                Logs.Tester.LogInformation("Can't archive without knowing the walletId");
                await Assert.ThrowsAsync<HttpRequestException>(async () => await client.ArchivePullPayment("lol", result.Id));
                Logs.Tester.LogInformation("Can't archive without permission");
                await Assert.ThrowsAsync<HttpRequestException>(async () => await unauthenticated.ArchivePullPayment(storeId, result.Id));
                await client.ArchivePullPayment(storeId, result.Id);
                result = await unauthenticated.GetPullPayment(result.Id);
                Assert.True(result.Archived);
                var pps = await client.GetPullPayments(storeId);
                result = Assert.Single(pps);
                Assert.Equal("Test 2", result.Name);
                pps = await client.GetPullPayments(storeId, true);
                Assert.Equal(2, pps.Length);
                Assert.Equal("Test 2", pps[0].Name);
                Assert.Equal("Test", pps[1].Name);

                var payouts = await unauthenticated.GetPayouts(pps[0].Id);
                Assert.Empty(payouts);

                var destination = (await tester.ExplorerNode.GetNewAddressAsync()).ToString();
                await this.AssertAPIError("overdraft", async () => await unauthenticated.CreatePayout(pps[0].Id, new CreatePayoutRequest()
                {
                    Destination = destination,
                    Amount = 1_000_000m,
                    PaymentMethod = "BTC",
                }));

                await this.AssertAPIError("archived", async () => await unauthenticated.CreatePayout(pps[1].Id, new CreatePayoutRequest()
                {
                    Destination = destination,
                    PaymentMethod = "BTC"
                }));

                var payout = await unauthenticated.CreatePayout(pps[0].Id, new CreatePayoutRequest()
                {
                    Destination = destination,
                    PaymentMethod = "BTC"
                });

                payouts = await unauthenticated.GetPayouts(pps[0].Id);
                var payout2 = Assert.Single(payouts);
                Assert.Equal(payout.Amount, payout2.Amount);
                Assert.Equal(payout.Id, payout2.Id);
                Assert.Equal(destination, payout2.Destination);
                Assert.Equal(PayoutState.AwaitingApproval, payout.State);
                Assert.Null(payout.PaymentMethodAmount);

                Logs.Tester.LogInformation("Can't overdraft");
                await this.AssertAPIError("overdraft", async () => await unauthenticated.CreatePayout(pps[0].Id, new CreatePayoutRequest()
                {
                    Destination = destination,
                    Amount = 0.00001m,
                    PaymentMethod = "BTC"
                }));

                Logs.Tester.LogInformation("Can't create too low payout");
                await this.AssertAPIError("amount-too-low", async () => await unauthenticated.CreatePayout(pps[0].Id, new CreatePayoutRequest()
                {
                    Destination = destination,
                    PaymentMethod = "BTC"
                }));

                Logs.Tester.LogInformation("Can archive payout");
                await client.CancelPayout(storeId, payout.Id);
                payouts = await unauthenticated.GetPayouts(pps[0].Id);
                Assert.Empty(payouts);

                payouts = await client.GetPayouts(pps[0].Id, true);
                payout = Assert.Single(payouts);
                Assert.Equal(PayoutState.Cancelled, payout.State);

                Logs.Tester.LogInformation("Can create payout after cancelling");
                payout = await unauthenticated.CreatePayout(pps[0].Id, new CreatePayoutRequest()
                {
                    Destination = destination,
                    PaymentMethod = "BTC"
                });

                var start = RoundSeconds(DateTimeOffset.Now + TimeSpan.FromDays(7.0));
                var inFuture = await client.CreatePullPayment(storeId, new Client.Models.CreatePullPaymentRequest()
                {
                    Name = "Starts in the future",
                    Amount = 12.3m,
                    StartsAt = start,
                    Currency = "BTC",
                    PaymentMethods = new[] { "BTC" }
                });
                Assert.Equal(start, inFuture.StartsAt);
                Assert.Null(inFuture.ExpiresAt);
                await this.AssertAPIError("not-started", async () => await unauthenticated.CreatePayout(inFuture.Id, new CreatePayoutRequest()
                {
                    Amount = 1.0m,
                    Destination = destination,
                    PaymentMethod = "BTC"
                }));

                var expires = RoundSeconds(DateTimeOffset.Now - TimeSpan.FromDays(7.0));
                var inPast = await client.CreatePullPayment(storeId, new Client.Models.CreatePullPaymentRequest()
                {
                    Name = "Will expires",
                    Amount = 12.3m,
                    ExpiresAt = expires,
                    Currency = "BTC",
                    PaymentMethods = new[] { "BTC" }
                });
                await this.AssertAPIError("expired", async () => await unauthenticated.CreatePayout(inPast.Id, new CreatePayoutRequest()
                {
                    Amount = 1.0m,
                    Destination = destination,
                    PaymentMethod = "BTC"
                }));

                await this.AssertValidationError(new[] { "ExpiresAt" }, async () => await client.CreatePullPayment(storeId, new Client.Models.CreatePullPaymentRequest()
                {
                    Name = "Test 2",
                    Amount = 12.3m,
                    StartsAt = DateTimeOffset.UtcNow,
                    ExpiresAt = DateTimeOffset.UtcNow - TimeSpan.FromDays(1)
                }));


                Logs.Tester.LogInformation("Create a pull payment with USD");
                var pp = await client.CreatePullPayment(storeId, new Client.Models.CreatePullPaymentRequest()
                {
                    Name = "Test USD",
                    Amount = 5000m,
                    Currency = "USD",
                    PaymentMethods = new[] { "BTC" }
                });

                destination = (await tester.ExplorerNode.GetNewAddressAsync()).ToString();
                Logs.Tester.LogInformation("Try to pay it in BTC");
                payout = await unauthenticated.CreatePayout(pp.Id, new CreatePayoutRequest()
                {
                    Destination = destination,
                    PaymentMethod = "BTC"
                });
                await this.AssertAPIError("old-revision", async () => await client.ApprovePayout(storeId, payout.Id, new ApprovePayoutRequest()
                {
                    Revision = -1
                }));
                await this.AssertAPIError("rate-unavailable", async () => await client.ApprovePayout(storeId, payout.Id, new ApprovePayoutRequest()
                {
                    RateRule = "DONOTEXIST(BTC_USD)"
                }));
                payout = await client.ApprovePayout(storeId, payout.Id, new ApprovePayoutRequest()
                {
                    Revision = payout.Revision
                });
                Assert.Equal(PayoutState.AwaitingPayment, payout.State);
                Assert.NotNull(payout.PaymentMethodAmount);
                Assert.Equal(1.0m, payout.PaymentMethodAmount); // 1 BTC == 5000 USD in tests
                await this.AssertAPIError("invalid-state", async () => await client.ApprovePayout(storeId, payout.Id, new ApprovePayoutRequest()
                {
                    Revision = payout.Revision
                }));
            }
        }

        private DateTimeOffset RoundSeconds(DateTimeOffset dateTimeOffset)
        {
            return new DateTimeOffset(dateTimeOffset.Year, dateTimeOffset.Month, dateTimeOffset.Day, dateTimeOffset.Hour, dateTimeOffset.Minute, dateTimeOffset.Second, dateTimeOffset.Offset);
        }

        private async Task AssertAPIError(string expectedError, Func<Task> act)
        {
            var err = await Assert.ThrowsAsync<GreenFieldAPIException>(async () => await act());
            Assert.Equal(expectedError, err.APIError.Code);
        }

        [Fact(Timeout = TestTimeout)]
        [Trait("Integration", "Integration")]
        public async Task StoresControllerTests()
        {
            using (var tester = ServerTester.Create())
            {
                await tester.StartAsync();
                var user = tester.NewAccount();
                user.GrantAccess();
                await user.MakeAdmin();
                var client = await user.CreateClient(Policies.Unrestricted);

                //create store
                var newStore = await client.CreateStore(new CreateStoreRequest() { Name = "A" });

                //update store
                var updatedStore = await client.UpdateStore(newStore.Id, new UpdateStoreRequest() { Name = "B" });
                Assert.Equal("B", updatedStore.Name);
                Assert.Equal("B", (await client.GetStore(newStore.Id)).Name);

                //list stores
                var stores = await client.GetStores();
                var storeIds = stores.Select(data => data.Id);
                var storeNames = stores.Select(data => data.Name);
                Assert.NotNull(stores);
                Assert.Equal(2, stores.Count());
                Assert.Contains(newStore.Id, storeIds);
                Assert.Contains(user.StoreId, storeIds);

                //get store
                var store = await client.GetStore(user.StoreId);
                Assert.Equal(user.StoreId, store.Id);
                Assert.Contains(store.Name, storeNames);

                //remove store
                await client.RemoveStore(newStore.Id);
                await AssertHttpError(403, async () =>
                {
                    await client.GetStore(newStore.Id);
                });
                Assert.Single(await client.GetStores());

                newStore = await client.CreateStore(new CreateStoreRequest() { Name = "A" });
                var scopedClient =
                    await user.CreateClient(Permission.Create(Policies.CanViewStoreSettings, user.StoreId).ToString());
                Assert.Single(await scopedClient.GetStores());


                // We strip the user's Owner right, so the key should not work
                using var ctx = tester.PayTester.GetService<Data.ApplicationDbContextFactory>().CreateContext();
                var storeEntity = await ctx.UserStore.SingleAsync(u => u.ApplicationUserId == user.UserId && u.StoreDataId == newStore.Id);
                storeEntity.Role = "Guest";
                await ctx.SaveChangesAsync();
                await AssertHttpError(403, async () => await client.UpdateStore(newStore.Id, new UpdateStoreRequest() { Name = "B" }));
            }
        }

        private async Task<GreenFieldValidationException> AssertValidationError(string[] fields, Func<Task> act)
        {
            var remainingFields = fields.ToHashSet();
            var ex = await Assert.ThrowsAsync<GreenFieldValidationException>(act);
            foreach (var field in fields)
            {
                Assert.Contains(field, ex.ValidationErrors.Select(e => e.Path).ToArray());
                remainingFields.Remove(field);
            }
            Assert.Empty(remainingFields);
            return ex;
        }

        private async Task AssertHttpError(int code, Func<Task> act)
        {
            var ex = await Assert.ThrowsAsync<HttpRequestException>(act);
            Assert.Contains(code.ToString(), ex.Message);
        }

        [Fact(Timeout = TestTimeout)]
        [Trait("Integration", "Integration")]
        public async Task UsersControllerTests()
        {
            using (var tester = ServerTester.Create(newDb: true))
            {
                tester.PayTester.DisableRegistration = true;
                await tester.StartAsync();
                var user = tester.NewAccount();
                user.GrantAccess();
                await user.MakeAdmin();
                var clientProfile = await user.CreateClient(Policies.CanModifyProfile);
                var clientServer = await user.CreateClient(Policies.CanCreateUser, Policies.CanViewProfile);
                var clientInsufficient = await user.CreateClient(Policies.CanModifyStoreSettings);
                var clientBasic = await user.CreateClient();


                var apiKeyProfileUserData = await clientProfile.GetCurrentUser();
                Assert.NotNull(apiKeyProfileUserData);
                Assert.Equal(apiKeyProfileUserData.Id, user.UserId);
                Assert.Equal(apiKeyProfileUserData.Email, user.RegisterDetails.Email);
                Assert.Contains("ServerAdmin", apiKeyProfileUserData.Roles);

                await Assert.ThrowsAsync<HttpRequestException>(async () => await clientInsufficient.GetCurrentUser());
                await clientServer.GetCurrentUser();
                await clientProfile.GetCurrentUser();
                await clientBasic.GetCurrentUser();

                await Assert.ThrowsAsync<HttpRequestException>(async () =>
                    await clientInsufficient.CreateUser(new CreateApplicationUserRequest()
                    {
                        Email = $"{Guid.NewGuid()}@g.com",
                        Password = Guid.NewGuid().ToString()
                    }));

                var newUser = await clientServer.CreateUser(new CreateApplicationUserRequest()
                {
                    Email = $"{Guid.NewGuid()}@g.com",
                    Password = Guid.NewGuid().ToString()
                });
                Assert.NotNull(newUser);

                var newUser2 = await clientBasic.CreateUser(new CreateApplicationUserRequest()
                {
                    Email = $"{Guid.NewGuid()}@g.com",
                    Password = Guid.NewGuid().ToString()
                });
                Assert.NotNull(newUser2);

                await AssertValidationError(new[] { "Email" }, async () =>
                    await clientServer.CreateUser(new CreateApplicationUserRequest()
                    {
                        Email = $"{Guid.NewGuid()}",
                        Password = Guid.NewGuid().ToString()
                    }));

                await AssertValidationError(new[] { "Password" }, async () =>
                    await clientServer.CreateUser(
                        new CreateApplicationUserRequest() { Email = $"{Guid.NewGuid()}@g.com", }));

                await AssertValidationError(new[] { "Email" }, async () =>
                    await clientServer.CreateUser(
                        new CreateApplicationUserRequest() { Password = Guid.NewGuid().ToString() }));
            }
        }

        [Fact(Timeout = TestTimeout)]
        [Trait("Integration", "Integration")]
        public async Task CanUseWebhooks()
        {
            void AssertHook(FakeServer fakeServer, Client.Models.StoreWebhookData hook)
            {
                Assert.True(hook.Enabled);
                Assert.True(hook.AuthorizedEvents.Everything);
                Assert.False(hook.AutomaticRedelivery);
                Assert.Equal(fakeServer.ServerUri.AbsoluteUri, hook.Url);
            }
            using var tester = ServerTester.Create();
            using var fakeServer = new FakeServer();
            await fakeServer.Start();
            await tester.StartAsync();
            var user = tester.NewAccount();
            user.GrantAccess();
            user.RegisterDerivationScheme("BTC");
            var clientProfile = await user.CreateClient(Policies.CanModifyStoreWebhooks, Policies.CanCreateInvoice);
            var hook = await clientProfile.CreateWebhook(user.StoreId, new CreateStoreWebhookRequest()
            {
                Url = fakeServer.ServerUri.AbsoluteUri,
                AutomaticRedelivery = false
            });
            Assert.NotNull(hook.Secret);
            AssertHook(fakeServer, hook);
            hook = await clientProfile.GetWebhook(user.StoreId, hook.Id);
            AssertHook(fakeServer, hook);
            var hooks = await clientProfile.GetWebhooks(user.StoreId);
            hook = Assert.Single(hooks);
            AssertHook(fakeServer, hook);
            await clientProfile.CreateInvoice(user.StoreId,
                        new CreateInvoiceRequest() { Currency = "USD", Amount = 100 });
            var req = await fakeServer.GetNextRequest();
            req.Response.StatusCode = 200;
            fakeServer.Done();
            hook = await clientProfile.UpdateWebhook(user.StoreId, hook.Id, new UpdateStoreWebhookRequest()
            {
                Url = hook.Url,
                Secret = "lol",
                AutomaticRedelivery = false
            });
            Assert.Null(hook.Secret);
            AssertHook(fakeServer, hook);
            var deliveries = await clientProfile.GetWebhookDeliveries(user.StoreId, hook.Id);
            var delivery = Assert.Single(deliveries);
            delivery = await clientProfile.GetWebhookDelivery(user.StoreId, hook.Id, delivery.Id);
            Assert.NotNull(delivery);
            Assert.Equal(WebhookDeliveryStatus.HttpSuccess, delivery.Status);

            var newDeliveryId = await clientProfile.RedeliverWebhook(user.StoreId, hook.Id, delivery.Id);
            req = await fakeServer.GetNextRequest();
            req.Response.StatusCode = 404;
            fakeServer.Done();
            await TestUtils.EventuallyAsync(async () =>
            {
                var newDelivery = await clientProfile.GetWebhookDelivery(user.StoreId, hook.Id, newDeliveryId);
                Assert.NotNull(newDelivery);
                Assert.Equal(404, newDelivery.HttpCode);
                var req = await clientProfile.GetWebhookDeliveryRequest(user.StoreId, hook.Id, newDeliveryId);
                Assert.Equal(delivery.Id, req.OriginalDeliveryId);
                Assert.True(req.IsRedelivery);
                Assert.Equal(WebhookDeliveryStatus.HttpError, newDelivery.Status);
            });
            deliveries = await clientProfile.GetWebhookDeliveries(user.StoreId, hook.Id);
            Assert.Equal(2, deliveries.Length);
            Assert.Equal(newDeliveryId, deliveries[0].Id);
            var jObj = await clientProfile.GetWebhookDeliveryRequest(user.StoreId, hook.Id, newDeliveryId);
            Assert.NotNull(jObj);

            Logs.Tester.LogInformation("Should not be able to access webhook without proper auth");
            var unauthorized = await user.CreateClient(Policies.CanCreateInvoice);
            await AssertHttpError(403, async () =>
            {
                await unauthorized.GetWebhookDeliveryRequest(user.StoreId, hook.Id, newDeliveryId);
            });

            Logs.Tester.LogInformation("Can use btcpay.store.canmodifystoresettings to query webhooks");
            clientProfile = await user.CreateClient(Policies.CanModifyStoreSettings, Policies.CanCreateInvoice);
            await clientProfile.GetWebhookDeliveryRequest(user.StoreId, hook.Id, newDeliveryId);

            Logs.Tester.LogInformation("Testing corner cases");
            Assert.Null(await clientProfile.GetWebhookDeliveryRequest(user.StoreId, "lol", newDeliveryId));
            Assert.Null(await clientProfile.GetWebhookDeliveryRequest(user.StoreId, hook.Id, "lol"));
            Assert.Null(await clientProfile.GetWebhookDeliveryRequest(user.StoreId, "lol", "lol"));
            Assert.Null(await clientProfile.GetWebhook(user.StoreId, "lol"));
            await AssertHttpError(404, async () =>
            {
                await clientProfile.UpdateWebhook(user.StoreId, "lol", new UpdateStoreWebhookRequest() { Url = hook.Url });
            });

            Assert.True(await clientProfile.DeleteWebhook(user.StoreId, hook.Id));
            Assert.False(await clientProfile.DeleteWebhook(user.StoreId, hook.Id));
        }

        [Fact(Timeout = TestTimeout)]
        [Trait("Integration", "Integration")]
        public async Task HealthControllerTests()
        {
            using (var tester = ServerTester.Create())
            {
                await tester.StartAsync();
                var unauthClient = new BTCPayServerClient(tester.PayTester.ServerUri);

                var apiHealthData = await unauthClient.GetHealth();
                Assert.NotNull(apiHealthData);
                Assert.True(apiHealthData.Synchronized);
            }
        }

        [Fact(Timeout = TestTimeout)]
        [Trait("Integration", "Integration")]
        public async Task ServerInfoControllerTests()
        {
            using (var tester = ServerTester.Create())
            {
                await tester.StartAsync();
                var unauthClient = new BTCPayServerClient(tester.PayTester.ServerUri);
                await AssertHttpError(401, async () => await unauthClient.GetServerInfo());

                var user = tester.NewAccount();
                user.GrantAccess();
                var clientBasic = await user.CreateClient();
                var serverInfoData = await clientBasic.GetServerInfo();
                Assert.NotNull(serverInfoData);
                Assert.NotNull(serverInfoData.Version);
                Assert.NotNull(serverInfoData.Onion);
                Assert.True(serverInfoData.FullySynched);
                Assert.Contains("BTC", serverInfoData.SupportedPaymentMethods);
                Assert.Contains("BTC_LightningLike", serverInfoData.SupportedPaymentMethods);
                Assert.NotNull(serverInfoData.SyncStatus);
                Assert.Single(serverInfoData.SyncStatus.Select(s => s.CryptoCode == "BTC"));
            }
        }

        [Fact(Timeout = TestTimeout)]
        [Trait("Integration", "Integration")]
        public async Task PaymentControllerTests()
        {
            using (var tester = ServerTester.Create())
            {
                await tester.StartAsync();
                var user = tester.NewAccount();
                user.GrantAccess();
                await user.MakeAdmin();
                var client = await user.CreateClient(Policies.Unrestricted);
                var viewOnly = await user.CreateClient(Policies.CanViewPaymentRequests);

                //create payment request

                //validation errors
                await AssertValidationError(new[] { "Amount", "Currency" }, async () =>
                {
                    await client.CreatePaymentRequest(user.StoreId, new CreatePaymentRequestRequest() { Title = "A" });
                });
                await AssertValidationError(new[] { "Amount" }, async () =>
                {
                    await client.CreatePaymentRequest(user.StoreId,
                        new CreatePaymentRequestRequest() { Title = "A", Currency = "BTC", Amount = 0 });
                });
                await AssertValidationError(new[] { "Currency" }, async () =>
                {
                    await client.CreatePaymentRequest(user.StoreId,
                        new CreatePaymentRequestRequest() { Title = "A", Currency = "helloinvalid", Amount = 1 });
                });
                await AssertHttpError(403, async () =>
                {
                    await viewOnly.CreatePaymentRequest(user.StoreId,
                        new CreatePaymentRequestRequest() { Title = "A", Currency = "helloinvalid", Amount = 1 });
                });
                var newPaymentRequest = await client.CreatePaymentRequest(user.StoreId,
                    new CreatePaymentRequestRequest() { Title = "A", Currency = "USD", Amount = 1 });

                //list payment request
                var paymentRequests = await viewOnly.GetPaymentRequests(user.StoreId);

                Assert.NotNull(paymentRequests);
                Assert.Single(paymentRequests);
                Assert.Equal(newPaymentRequest.Id, paymentRequests.First().Id);

                //get payment request
                var paymentRequest = await viewOnly.GetPaymentRequest(user.StoreId, newPaymentRequest.Id);
                Assert.Equal(newPaymentRequest.Title, paymentRequest.Title);

                //update payment request
                var updateRequest = JObject.FromObject(paymentRequest).ToObject<UpdatePaymentRequestRequest>();
                updateRequest.Title = "B";
                await AssertHttpError(403, async () =>
                {
                    await viewOnly.UpdatePaymentRequest(user.StoreId, paymentRequest.Id, updateRequest);
                });
                await client.UpdatePaymentRequest(user.StoreId, paymentRequest.Id, updateRequest);
                paymentRequest = await client.GetPaymentRequest(user.StoreId, newPaymentRequest.Id);
                Assert.Equal(updateRequest.Title, paymentRequest.Title);

                //archive payment request
                await AssertHttpError(403, async () =>
                {
                    await viewOnly.ArchivePaymentRequest(user.StoreId, paymentRequest.Id);
                });

                await client.ArchivePaymentRequest(user.StoreId, paymentRequest.Id);
                Assert.DoesNotContain(paymentRequest.Id,
                    (await client.GetPaymentRequests(user.StoreId)).Select(data => data.Id));

                //let's test some payment stuff
                await user.RegisterDerivationSchemeAsync("BTC");
                var paymentTestPaymentRequest = await client.CreatePaymentRequest(user.StoreId,
                    new CreatePaymentRequestRequest() { Amount = 0.1m, Currency = "BTC", Title = "Payment test title" });

                var invoiceId = Assert.IsType<string>(Assert.IsType<OkObjectResult>(await user.GetController<PaymentRequestController>()
                    .PayPaymentRequest(paymentTestPaymentRequest.Id, false)).Value);
                var invoice = user.BitPay.GetInvoice(invoiceId);
                await tester.WaitForEvent<InvoiceDataChangedEvent>(async () =>
                {
                    await tester.ExplorerNode.SendToAddressAsync(
                        BitcoinAddress.Create(invoice.BitcoinAddress, tester.ExplorerNode.Network), invoice.BtcDue);
                });
                await TestUtils.EventuallyAsync(async () =>
                 {
                     Assert.Equal(Invoice.STATUS_PAID, user.BitPay.GetInvoice(invoiceId).Status);
                     Assert.Equal(PaymentRequestData.PaymentRequestStatus.Completed, (await client.GetPaymentRequest(user.StoreId, paymentTestPaymentRequest.Id)).Status);
                 });
            }
        }

        [Fact(Timeout = TestTimeout)]
        [Trait("Integration", "Integration")]
        public async Task InvoiceLegacyTests()
        {
            using (var tester = ServerTester.Create())
            {
                await tester.StartAsync();
                var user = tester.NewAccount();
                await user.GrantAccessAsync();
                user.RegisterDerivationScheme("BTC");
                var client = await user.CreateClient(Policies.Unrestricted);
                var oldBitpay = user.BitPay;

                Logs.Tester.LogInformation("Let's create an invoice with bitpay API");
                var oldInvoice = await oldBitpay.CreateInvoiceAsync(new Invoice()
                {
                    Currency = "BTC",
                    Price = 1000.19392922m,
                    BuyerAddress1 = "blah",
                    Buyer = new Buyer()
                    {
                        Address2 = "blah2"
                    },
                    ItemCode = "code",
                    ItemDesc = "desc",
                    OrderId = "orderId",
                    PosData = "posData"
                });

                async Task<Client.Models.InvoiceData> AssertInvoiceMetadata()
                {
                    Logs.Tester.LogInformation("Let's check if we can get invoice in the new format with the metadata");
                    var newInvoice = await client.GetInvoice(user.StoreId, oldInvoice.Id);
                    Assert.Equal("posData", newInvoice.Metadata["posData"].Value<string>());
                    Assert.Equal("code", newInvoice.Metadata["itemCode"].Value<string>());
                    Assert.Equal("desc", newInvoice.Metadata["itemDesc"].Value<string>());
                    Assert.Equal("orderId", newInvoice.Metadata["orderId"].Value<string>());
                    Assert.False(newInvoice.Metadata["physical"].Value<bool>());
                    Assert.Null(newInvoice.Metadata["buyerCountry"]);
                    Assert.Equal(1000.19392922m, newInvoice.Amount);
                    Assert.Equal("BTC", newInvoice.Currency);
                    return newInvoice;
                }

                await AssertInvoiceMetadata();

                Logs.Tester.LogInformation("Let's hack the Bitpay created invoice to be just like before this update. (Invoice V1)");
                var invoiceV1 = "{\r\n  \"version\": 1,\r\n  \"id\": \"" + oldInvoice.Id + "\",\r\n  \"storeId\": \"" + user.StoreId + "\",\r\n  \"orderId\": \"orderId\",\r\n  \"speedPolicy\": 1,\r\n  \"rate\": 1.0,\r\n  \"invoiceTime\": 1598329634,\r\n  \"expirationTime\": 1598330534,\r\n  \"depositAddress\": \"mm83rVs8ZnZok1SkRBmXiwQSiPFgTgCKpD\",\r\n  \"productInformation\": {\r\n    \"itemDesc\": \"desc\",\r\n    \"itemCode\": \"code\",\r\n    \"physical\": false,\r\n    \"price\": 1000.19392922,\r\n    \"currency\": \"BTC\"\r\n  },\r\n  \"buyerInformation\": {\r\n    \"buyerName\": null,\r\n    \"buyerEmail\": null,\r\n    \"buyerCountry\": null,\r\n    \"buyerZip\": null,\r\n    \"buyerState\": null,\r\n    \"buyerCity\": null,\r\n    \"buyerAddress2\": \"blah2\",\r\n    \"buyerAddress1\": \"blah\",\r\n    \"buyerPhone\": null\r\n  },\r\n  \"posData\": \"posData\",\r\n  \"internalTags\": [],\r\n  \"derivationStrategy\": null,\r\n  \"derivationStrategies\": \"{\\\"BTC\\\":{\\\"signingKey\\\":\\\"tpubDD1AW2ruUxSsDa55NQYtNt7DQw9bqXx4K7r2aScySmjxHtsCZoxFTN3qCMcKLxgsRDMGSwk9qj1fBfi8jqSLenwyYkhDrmgaxQuvuKrTHEf\\\",\\\"source\\\":\\\"NBXplorer\\\",\\\"accountDerivation\\\":\\\"tpubDD1AW2ruUxSsDa55NQYtNt7DQw9bqXx4K7r2aScySmjxHtsCZoxFTN3qCMcKLxgsRDMGSwk9qj1fBfi8jqSLenwyYkhDrmgaxQuvuKrTHEf-[legacy]\\\",\\\"accountOriginal\\\":null,\\\"accountKeySettings\\\":[{\\\"rootFingerprint\\\":\\\"54d5044d\\\",\\\"accountKeyPath\\\":\\\"44'/1'/0'\\\",\\\"accountKey\\\":\\\"tpubDD1AW2ruUxSsDa55NQYtNt7DQw9bqXx4K7r2aScySmjxHtsCZoxFTN3qCMcKLxgsRDMGSwk9qj1fBfi8jqSLenwyYkhDrmgaxQuvuKrTHEf\\\"}],\\\"label\\\":null}}\",\r\n  \"status\": \"new\",\r\n  \"exceptionStatus\": \"\",\r\n  \"payments\": [],\r\n  \"refundable\": false,\r\n  \"refundMail\": null,\r\n  \"redirectURL\": null,\r\n  \"redirectAutomatically\": false,\r\n  \"txFee\": 0,\r\n  \"fullNotifications\": false,\r\n  \"notificationEmail\": null,\r\n  \"notificationURL\": null,\r\n  \"serverUrl\": \"http://127.0.0.1:8001\",\r\n  \"cryptoData\": {\r\n    \"BTC\": {\r\n      \"rate\": 1.0,\r\n      \"paymentMethod\": {\r\n        \"networkFeeMode\": 0,\r\n        \"networkFeeRate\": 100.0,\r\n        \"payjoinEnabled\": false\r\n      },\r\n      \"feeRate\": 100.0,\r\n      \"txFee\": 0,\r\n      \"depositAddress\": \"mm83rVs8ZnZok1SkRBmXiwQSiPFgTgCKpD\"\r\n    }\r\n  },\r\n  \"monitoringExpiration\": 1598416934,\r\n  \"historicalAddresses\": null,\r\n  \"availableAddressHashes\": null,\r\n  \"extendedNotifications\": false,\r\n  \"events\": null,\r\n  \"paymentTolerance\": 0.0,\r\n  \"archived\": false\r\n}";
                var db = tester.PayTester.GetService<Data.ApplicationDbContextFactory>();
                using var ctx = db.CreateContext();
                var dbInvoice = await ctx.Invoices.FindAsync(oldInvoice.Id);
                dbInvoice.Blob = ZipUtils.Zip(invoiceV1);
                await ctx.SaveChangesAsync();
                var newInvoice = await AssertInvoiceMetadata();

                Logs.Tester.LogInformation("Now, let's create an invoice with the new API but with the same metadata as Bitpay");
                newInvoice.Metadata.Add("lol", "lol");
                newInvoice = await client.CreateInvoice(user.StoreId, new CreateInvoiceRequest()
                {
                    Metadata = newInvoice.Metadata,
                    Amount = 1000.19392922m,
                    Currency = "BTC"
                });
                oldInvoice = await oldBitpay.GetInvoiceAsync(newInvoice.Id);
                await AssertInvoiceMetadata();
                Assert.Equal("lol", newInvoice.Metadata["lol"].Value<string>());
            }
        }

        [Fact(Timeout = TestTimeout)]
        [Trait("Integration", "Integration")]
        public async Task InvoiceTests()
        {
            using (var tester = ServerTester.Create())
            {
                await tester.StartAsync();
                var user = tester.NewAccount();
                await user.GrantAccessAsync();
                await user.MakeAdmin();
                await user.SetupWebhook();
                var client = await user.CreateClient(Policies.Unrestricted);
                var viewOnly = await user.CreateClient(Policies.CanViewInvoices);

                //create

                //validation errors
                await AssertValidationError(new[] { nameof(CreateInvoiceRequest.Currency), nameof(CreateInvoiceRequest.Amount), $"{nameof(CreateInvoiceRequest.Checkout)}.{nameof(CreateInvoiceRequest.Checkout.PaymentTolerance)}", $"{nameof(CreateInvoiceRequest.Checkout)}.{nameof(CreateInvoiceRequest.Checkout.PaymentMethods)}[0]" }, async () =>
               {
                   await client.CreateInvoice(user.StoreId, new CreateInvoiceRequest() { Amount = -1, Checkout = new CreateInvoiceRequest.CheckoutOptions() { PaymentTolerance = -2, PaymentMethods = new[] { "jasaas_sdsad" } } });
               });

                await AssertHttpError(403, async () =>
                {
                    await viewOnly.CreateInvoice(user.StoreId,
                        new CreateInvoiceRequest() { Currency = "helloinvalid", Amount = 1 });
                });
                await user.RegisterDerivationSchemeAsync("BTC");
                var newInvoice = await client.CreateInvoice(user.StoreId,
                    new CreateInvoiceRequest() { Currency = "USD", Amount = 1, Metadata = JObject.Parse("{\"itemCode\": \"testitem\", \"orderId\": \"testOrder\"}"), Checkout = new CreateInvoiceRequest.CheckoutOptions()
                    {
                        RedirectAutomatically = true
                    }});
                Assert.True(newInvoice.Checkout.RedirectAutomatically);
                
                //list 
                var invoices = await viewOnly.GetInvoices(user.StoreId);

                Assert.NotNull(invoices);
                Assert.Single(invoices);
                Assert.Equal(newInvoice.Id, invoices.First().Id);

                //list Filtered
                 var invoicesFiltered = await viewOnly.GetInvoices(user.StoreId,
                     orderId: null, status: null, DateTimeOffset.Now.AddHours(-1),
                     DateTimeOffset.Now.AddHours(1));

                 Assert.NotNull(invoicesFiltered);
                 Assert.Single(invoicesFiltered);
                 Assert.Equal(newInvoice.Id, invoicesFiltered.First().Id);

                 //list Yesterday
                 var invoicesYesterday = await viewOnly.GetInvoices(user.StoreId,
                     orderId: null, status: null, DateTimeOffset.Now.AddDays(-2),
                     DateTimeOffset.Now.AddDays(-1));
                 Assert.NotNull(invoicesYesterday);
                 Assert.Empty(invoicesYesterday);

                // Error, startDate and endDate inverted
                await AssertValidationError(new[] { "startDate", "endDate" },
                    () => viewOnly.GetInvoices(user.StoreId,
                    orderId: null, status: null, DateTimeOffset.Now.AddDays(-1),
                    DateTimeOffset.Now.AddDays(-2)));

                await AssertValidationError(new[] { "startDate" },
                    () => viewOnly.SendHttpRequest<Client.Models.InvoiceData[]>($"api/v1/stores/{user.StoreId}/invoices", new Dictionary<string, object>()
                    {
                        { "startDate", "blah" }
                    }));


                //list Existing OrderId
                var invoicesExistingOrderId =
                     await viewOnly.GetInvoices(user.StoreId, orderId: newInvoice.Metadata["orderId"].ToString());
                 Assert.NotNull(invoicesExistingOrderId);
                 Assert.Single(invoicesFiltered);
                 Assert.Equal(newInvoice.Id, invoicesFiltered.First().Id);

                 //list NonExisting OrderId
                 var invoicesNonExistingOrderId =
                     await viewOnly.GetInvoices(user.StoreId, orderId: "NonExistingOrderId");
                 Assert.NotNull(invoicesNonExistingOrderId);
                 Assert.Empty(invoicesNonExistingOrderId);

                 //list Existing Status
                 var invoicesExistingStatus =
                     await viewOnly.GetInvoices(user.StoreId, status:new []{newInvoice.Status});
                 Assert.NotNull(invoicesExistingStatus);
                 Assert.Single(invoicesExistingStatus);
                 Assert.Equal(newInvoice.Id, invoicesExistingStatus.First().Id);

                 //list NonExisting Status
                 var invoicesNonExistingStatus = await viewOnly.GetInvoices(user.StoreId,
                     status: new []{BTCPayServer.Client.Models.InvoiceStatus.Invalid});
                 Assert.NotNull(invoicesNonExistingStatus);
                 Assert.Empty(invoicesNonExistingStatus);
                 
                 
                //get
                var invoice = await viewOnly.GetInvoice(user.StoreId, newInvoice.Id);
                Assert.Equal(newInvoice.Metadata, invoice.Metadata);
                var paymentMethods = await viewOnly.GetInvoicePaymentMethods(user.StoreId, newInvoice.Id);
                Assert.Single(paymentMethods);
                var paymentMethod = paymentMethods.First();
                Assert.Equal("BTC", paymentMethod.PaymentMethod);
                Assert.Empty(paymentMethod.Payments);


                //update
                newInvoice = await client.CreateInvoice(user.StoreId,
                    new CreateInvoiceRequest() { Currency = "USD", Amount = 1 });
                await client.MarkInvoiceStatus(user.StoreId, newInvoice.Id, new MarkInvoiceStatusRequest()
                {
                    Status = InvoiceStatus.Settled
                });
                newInvoice = await client.CreateInvoice(user.StoreId,
                    new CreateInvoiceRequest() { Currency = "USD", Amount = 1 });
                await client.MarkInvoiceStatus(user.StoreId, newInvoice.Id, new MarkInvoiceStatusRequest()
                {
                    Status = InvoiceStatus.Invalid
                });
               
                await AssertHttpError(403, async () =>
                {
                    await viewOnly.UpdateInvoice(user.StoreId, invoice.Id,
                        new UpdateInvoiceRequest()
                        {
                            Metadata = JObject.Parse("{\"itemCode\": \"updated\", newstuff: [1,2,3,4,5]}")
                        });
                });
                invoice = await client.UpdateInvoice(user.StoreId, invoice.Id,
                    new UpdateInvoiceRequest()
                    {
                        Metadata = JObject.Parse("{\"itemCode\": \"updated\", newstuff: [1,2,3,4,5]}")
                    });

                Assert.Equal("updated",invoice.Metadata["itemCode"].Value<string>());
                Assert.Equal(15,((JArray) invoice.Metadata["newstuff"]).Values<int>().Sum());

                //also test the the metadata actually got saved
                invoice = await client.GetInvoice(user.StoreId, invoice.Id);
                Assert.Equal("updated",invoice.Metadata["itemCode"].Value<string>());
                Assert.Equal(15,((JArray) invoice.Metadata["newstuff"]).Values<int>().Sum());
                
                //archive 
                await AssertHttpError(403, async () =>
                {
                    await viewOnly.ArchiveInvoice(user.StoreId, invoice.Id);
                });

                await client.ArchiveInvoice(user.StoreId, invoice.Id);
                Assert.DoesNotContain(invoice.Id,
                    (await client.GetInvoices(user.StoreId)).Select(data => data.Id));

                //unarchive
                await client.UnarchiveInvoice(user.StoreId, invoice.Id);
                Assert.NotNull(await client.GetInvoice(user.StoreId, invoice.Id));


                foreach (var marked in new[] { InvoiceStatus.Settled, InvoiceStatus.Invalid })
                {
                    var inv = await client.CreateInvoice(user.StoreId,
                    new CreateInvoiceRequest() { Currency = "USD", Amount = 100 });
                    await user.PayInvoice(inv.Id);
                    await client.MarkInvoiceStatus(user.StoreId, inv.Id, new MarkInvoiceStatusRequest()
                    {
                        Status = marked
                    });
                    var result = await client.GetInvoice(user.StoreId, inv.Id);
                    if (marked == InvoiceStatus.Settled)
                    {
                        Assert.Equal(InvoiceStatus.Settled, result.Status);
                        user.AssertHasWebhookEvent<WebhookInvoiceSettledEvent>(WebhookEventType.InvoiceSettled,
                            o =>
                            {
                                Assert.Equal(inv.Id, o.InvoiceId);
                                Assert.True(o.ManuallyMarked);
                            });
                    }
                    if (marked == InvoiceStatus.Invalid)
                    {
                        Assert.Equal(InvoiceStatus.Invalid, result.Status);
                        var evt = user.AssertHasWebhookEvent<WebhookInvoiceInvalidEvent>(WebhookEventType.InvoiceInvalid,
                            o =>
                            {
                                Assert.Equal(inv.Id, o.InvoiceId);
                                Assert.True(o.ManuallyMarked);
                            });
                        Assert.NotNull(await client.GetWebhookDelivery(evt.StoreId, evt.WebhookId, evt.DeliveryId));
                    }
                }


                newInvoice = await client.CreateInvoice(user.StoreId,
                    new CreateInvoiceRequest()
                    {
                        Currency = "USD",
                        Amount = 1,
                        Checkout = new CreateInvoiceRequest.CheckoutOptions()
                        {
                            DefaultLanguage = "it-it ",
                            RedirectURL = "http://toto.com/lol"
                        }
                    });
                Assert.EndsWith($"/i/{newInvoice.Id}", newInvoice.CheckoutLink);
                var controller = tester.PayTester.GetController<InvoiceController>(user.UserId, user.StoreId);
                var model = (PaymentModel)((ViewResult)await controller.Checkout(newInvoice.Id)).Model;
                Assert.Equal("it-IT", model.DefaultLang);
                Assert.Equal("http://toto.com/lol", model.MerchantRefLink);

                var langs = tester.PayTester.GetService<LanguageService>();
                foreach (var match in new[] { "it", "it-IT", "it-LOL" })
                {
                    Assert.Equal("it-IT", langs.FindBestMatch(match).Code);
                }
                foreach (var match in new[] { "pt-BR" })
                {
                    Assert.Equal("pt-BR", langs.FindBestMatch(match).Code);
                }
                foreach (var match in new[] { "en", "en-US" })
                {
                    Assert.Equal("en", langs.FindBestMatch(match).Code);
                }
                foreach (var match in new[] { "pt", "pt-pt", "pt-PT" })
                {
                    Assert.Equal("pt-PT", langs.FindBestMatch(match).Code);
                }

                //payment method activation tests
                var store = await client.GetStore(user.StoreId);
                Assert.False(store.LazyPaymentMethods);
                store.LazyPaymentMethods = true;
                store = await client.UpdateStore(store.Id, 
                    JObject.FromObject(store).ToObject<UpdateStoreRequest>());
                Assert.True(store.LazyPaymentMethods);

                invoice = await client.CreateInvoice(user.StoreId, new CreateInvoiceRequest() {Amount = 1, Currency = "USD"});
                paymentMethods = await client.GetInvoicePaymentMethods(store.Id, invoice.Id);
                Assert.Single(paymentMethods);
                Assert.False(paymentMethods.First().Activated);
                await client.ActivateInvoicePaymentMethod(user.StoreId, invoice.Id,
                    paymentMethods.First().PaymentMethod);
                paymentMethods = await client.GetInvoicePaymentMethods(store.Id, invoice.Id);
                Assert.Single(paymentMethods);
                Assert.True(paymentMethods.First().Activated);
            }
        }

        [Fact(Timeout = 60 * 20 * 1000)]
        [Trait("Integration", "Integration")]
        [Trait("Lightning", "Lightning")]
        public async Task CanUseLightningAPI()
        {
            using (var tester = ServerTester.Create())
            {
                tester.ActivateLightning();
                await tester.StartAsync();
                await tester.EnsureChannelsSetup();
                var user = tester.NewAccount();
                user.GrantAccess(true);
                user.RegisterLightningNode("BTC", LightningConnectionType.CLightning, false);

                var merchant = tester.NewAccount();
                merchant.GrantAccess(true);
                merchant.RegisterLightningNode("BTC", LightningConnectionType.LndREST);
                var merchantClient = await merchant.CreateClient($"{Policies.CanUseLightningNodeInStore}:{merchant.StoreId}");
                var merchantInvoice = await merchantClient.CreateLightningInvoice(merchant.StoreId, "BTC", new CreateLightningInvoiceRequest(LightMoney.Satoshis(1_000), "hey", TimeSpan.FromSeconds(60)));
                // The default client is using charge, so we should not be able to query channels
                var client = await user.CreateClient(Policies.CanUseInternalLightningNode);

                var info = await client.GetLightningNodeInfo("BTC");
                Assert.Single(info.NodeURIs);
                Assert.NotEqual(0, info.BlockHeight);

                var err = await Assert.ThrowsAsync<HttpRequestException>(async () => await client.GetLightningNodeChannels("BTC"));
                Assert.Contains("503", err.Message);
                // Not permission for the store!
                err = await Assert.ThrowsAsync<HttpRequestException>(async () => await client.GetLightningNodeChannels(user.StoreId, "BTC"));
                Assert.Contains("403", err.Message);
                var invoiceData = await client.CreateLightningInvoice("BTC", new CreateLightningInvoiceRequest()
                {
                    Amount = LightMoney.Satoshis(1000),
                    Description = "lol",
                    Expiry = TimeSpan.FromSeconds(400),
                    PrivateRouteHints = false
                });
                var chargeInvoice = invoiceData;
                Assert.NotNull(await client.GetLightningInvoice("BTC", invoiceData.Id));

                client = await user.CreateClient($"{Policies.CanUseLightningNodeInStore}:{user.StoreId}");
                // Not permission for the server
                err = await Assert.ThrowsAsync<HttpRequestException>(async () => await client.GetLightningNodeChannels("BTC"));
                Assert.Contains("403", err.Message);

                var data = await client.GetLightningNodeChannels(user.StoreId, "BTC");
                Assert.Equal(2, data.Count());
                BitcoinAddress.Create(await client.GetLightningDepositAddress(user.StoreId, "BTC"), Network.RegTest);

                invoiceData = await client.CreateLightningInvoice(user.StoreId, "BTC", new CreateLightningInvoiceRequest()
                {
                    Amount = LightMoney.Satoshis(1000),
                    Description = "lol",
                    Expiry = TimeSpan.FromSeconds(400),
                    PrivateRouteHints = false
                });

                Assert.NotNull(await client.GetLightningInvoice(user.StoreId, "BTC", invoiceData.Id));

                await client.PayLightningInvoice(user.StoreId, "BTC", new PayLightningInvoiceRequest()
                {
                    BOLT11 = merchantInvoice.BOLT11
                });
                await Assert.ThrowsAsync<GreenFieldValidationException>(async () => await client.PayLightningInvoice(user.StoreId, "BTC", new PayLightningInvoiceRequest()
                {
                    BOLT11 = "lol"
                }));

                var validationErr = await Assert.ThrowsAsync<GreenFieldValidationException>(async () => await client.CreateLightningInvoice(user.StoreId, "BTC", new CreateLightningInvoiceRequest()
                {
                    Amount = -1,
                    Expiry = TimeSpan.FromSeconds(-1),
                    Description = null
                }));
                Assert.Equal(2, validationErr.ValidationErrors.Length);

                var invoice = await merchantClient.GetLightningInvoice(merchant.StoreId, "BTC", merchantInvoice.Id);
                Assert.NotNull(invoice.PaidAt);
                Assert.Equal(LightMoney.Satoshis(1000), invoice.Amount);
                // Amount received might be bigger because of internal implementation shit from lightning
                Assert.True(LightMoney.Satoshis(1000) <= invoice.AmountReceived);

                info = await client.GetLightningNodeInfo(user.StoreId, "BTC");
                Assert.Single(info.NodeURIs);
                Assert.NotEqual(0, info.BlockHeight);
            }
        }
        
        [Fact(Timeout = TestTimeout)]
        [Trait("Integration", "Integration")]
        public async Task NotificationAPITests()
        {
            using var tester = ServerTester.Create();
            await tester.StartAsync();
            var user = tester.NewAccount();
            await user.GrantAccessAsync(true);
            var client = await user.CreateClient(Policies.CanManageNotificationsForUser);
            var viewOnlyClient = await user.CreateClient(Policies.CanViewNotificationsForUser);
            await tester.PayTester.GetService<NotificationSender>()
                .SendNotification(new UserScope(user.UserId), new NewVersionNotification());

            Assert.Single(await viewOnlyClient.GetNotifications());
            Assert.Single(await viewOnlyClient.GetNotifications(false));
            Assert.Empty(await viewOnlyClient.GetNotifications(true));

            Assert.Single(await client.GetNotifications());
            Assert.Single(await client.GetNotifications(false));
            Assert.Empty(await client.GetNotifications(true));
            var notification = (await client.GetNotifications()).First();
            notification = await client.GetNotification(notification.Id);
            Assert.False(notification.Seen);
            await AssertHttpError(403, async () =>
            {
                await viewOnlyClient.UpdateNotification(notification.Id, true);
            });
            await AssertHttpError(403, async () =>
            {
                await viewOnlyClient.RemoveNotification(notification.Id);
            });
            Assert.True((await client.UpdateNotification(notification.Id, true)).Seen);
            Assert.Single(await viewOnlyClient.GetNotifications(true));
            Assert.Empty(await viewOnlyClient.GetNotifications(false));
            await client.RemoveNotification(notification.Id);
            Assert.Empty(await viewOnlyClient.GetNotifications(true));
            Assert.Empty(await viewOnlyClient.GetNotifications(false));
        }
        
        [Fact(Timeout = TestTimeout)]
        [Trait("Integration", "Integration")]
        public async Task OnChainPaymentMethodAPITests()
        {
            using var tester = ServerTester.Create();
            await tester.StartAsync();
            var user = tester.NewAccount();
            await user.GrantAccessAsync(true);
            var client = await user.CreateClient(Policies.CanModifyStoreSettings);
            var viewOnlyClient = await user.CreateClient(Policies.CanViewStoreSettings);

            var store = await client.CreateStore(new CreateStoreRequest() {Name = "test store"});

            Assert.Empty(await client.GetStoreOnChainPaymentMethods(store.Id));
            await AssertHttpError(403, async () =>
            {
                await viewOnlyClient.UpdateStoreOnChainPaymentMethod(store.Id, "BTC", new OnChainPaymentMethodData() { });
            });
            var xpriv = new Mnemonic("all all all all all all all all all all all all").DeriveExtKey()
                .Derive(KeyPath.Parse("m/84'/0'/0'"));
            var xpub = xpriv.Neuter().ToString(Network.RegTest);
            var firstAddress = xpriv.Derive(KeyPath.Parse("0/0")).Neuter().GetPublicKey().GetAddress(ScriptPubKeyType.Segwit, Network.RegTest).ToString();
            await AssertHttpError(404, async () =>
            {
                await client.PreviewStoreOnChainPaymentMethodAddresses(store.Id, "BTC");
            });
            
            Assert.Equal(firstAddress, (await viewOnlyClient.PreviewProposedStoreOnChainPaymentMethodAddresses(store.Id, "BTC",
                new OnChainPaymentMethodData() {Enabled = true, DerivationScheme = xpub})).Addresses.First().Address);
            
            var method = await client.UpdateStoreOnChainPaymentMethod(store.Id, "BTC",
                new OnChainPaymentMethodData() { Enabled = true, DerivationScheme = xpub});
            
            Assert.Equal(xpub,method.DerivationScheme);

            method = await client.UpdateStoreOnChainPaymentMethod(store.Id, "BTC",
                new OnChainPaymentMethodData() {  Enabled = true, DerivationScheme = xpub, Label = "lol", AccountKeyPath = RootedKeyPath.Parse("01020304/1/2/3") });

            method = await client.GetStoreOnChainPaymentMethod(store.Id, "BTC");

            Assert.Equal("lol", method.Label);
            Assert.Equal(RootedKeyPath.Parse("01020304/1/2/3"), method.AccountKeyPath);
            Assert.Equal(xpub,method.DerivationScheme);
            
            
            Assert.Equal(firstAddress, (await viewOnlyClient.PreviewStoreOnChainPaymentMethodAddresses(store.Id, "BTC")).Addresses.First().Address);
            await AssertHttpError(403, async () =>
            {
                await viewOnlyClient.RemoveStoreOnChainPaymentMethod(store.Id, "BTC");
            });
           await  client.RemoveStoreOnChainPaymentMethod(store.Id, "BTC");
           await AssertHttpError(404, async () =>
           {
               await client.GetStoreOnChainPaymentMethod(store.Id, "BTC");
           });
        }
        
        [Fact(Timeout = 60 * 2 * 1000)]
        [Trait("Lightning", "Lightning")]
        [Trait("Integration", "Integration")]
        public async Task LightningNetworkPaymentMethodAPITests()
        {
            using var tester = ServerTester.Create();
            tester.ActivateLightning();
            await tester.StartAsync();
            await tester.EnsureChannelsSetup();
            var admin = tester.NewAccount();
            await admin.GrantAccessAsync(true);
            var admin2 = tester.NewAccount();
            await admin2.GrantAccessAsync(true);
            var adminClient = await admin.CreateClient(Policies.CanModifyStoreSettings);
            var admin2Client = await admin2.CreateClient(Policies.CanModifyStoreSettings, Policies.CanModifyServerSettings);
            var viewOnlyClient = await admin.CreateClient(Policies.CanViewStoreSettings);
            var store = await adminClient.GetStore(admin.StoreId);

            Assert.Empty(await adminClient.GetStoreLightningNetworkPaymentMethods(store.Id));
            await AssertHttpError(403, async () =>
            {
                await viewOnlyClient.UpdateStoreLightningNetworkPaymentMethod(store.Id, "BTC", new LightningNetworkPaymentMethodData() { });
            });
            await AssertHttpError(404, async () =>
            {
                await adminClient.GetStoreLightningNetworkPaymentMethod(store.Id, "BTC");
            });
            await admin.RegisterLightningNodeAsync("BTC", false);
            
            var method = await adminClient.GetStoreLightningNetworkPaymentMethod(store.Id, "BTC");
            await AssertHttpError(403, async () =>
            {
                await viewOnlyClient.RemoveStoreOnChainPaymentMethod(store.Id, "BTC");
            });
            await  adminClient.RemoveStoreOnChainPaymentMethod(store.Id, "BTC");
            await AssertHttpError(404, async () =>
            {
                await adminClient.GetStoreOnChainPaymentMethod(store.Id, "BTC");
            });


            // Let's verify that the admin client can't change LN to unsafe connection strings without modify server settings rights
            foreach (var forbidden in new string[]
            {
                "type=clightning;server=tcp://127.0.0.1",
                "type=clightning;server=tcp://test",
                "type=clightning;server=tcp://test.lan",
                "type=clightning;server=tcp://test.local",
                "type=clightning;server=tcp://192.168.1.2",
                "type=clightning;server=unix://8.8.8.8",
                "type=clightning;server=unix://[::1]",
                "type=clightning;server=unix://[0:0:0:0:0:0:0:1]",
            })
            {
                var ex = await AssertValidationError(new[] { "ConnectionString" }, async () =>
                {
                    await adminClient.UpdateStoreLightningNetworkPaymentMethod(store.Id, "BTC", new LightningNetworkPaymentMethodData()
                    {
                        ConnectionString = forbidden,
                        CryptoCode = "BTC",
                        Enabled = true
                    });
                });
                Assert.Contains("btcpay.server.canmodifyserversettings", ex.Message);
                // However, the other client should work because he has `btcpay.server.canmodifyserversettings`
                await admin2Client.UpdateStoreLightningNetworkPaymentMethod(admin2.StoreId, "BTC", new LightningNetworkPaymentMethodData()
                {
                    ConnectionString = forbidden,
                    CryptoCode = "BTC",
                    Enabled = true
                });
            }
            // Allowed ip should be ok
            await adminClient.UpdateStoreLightningNetworkPaymentMethod(store.Id, "BTC", new LightningNetworkPaymentMethodData()
            {
                ConnectionString = "type=clightning;server=tcp://8.8.8.8",
                CryptoCode = "BTC",
                Enabled = true
            });
            // If we strip the admin's right, he should not be able to set unsafe anymore, even if the API key is still valid
            await admin2.MakeAdmin(false);
            await AssertValidationError(new[] { "ConnectionString" }, async () =>
            {
                await admin2Client.UpdateStoreLightningNetworkPaymentMethod(admin2.StoreId, "BTC", new LightningNetworkPaymentMethodData()
                {
                    ConnectionString = "type=clightning;server=tcp://127.0.0.1",
                    CryptoCode = "BTC",
                    Enabled = true
                });
            });

            var settings = (await tester.PayTester.GetService<SettingsRepository>().GetSettingAsync<PoliciesSettings>())?? new PoliciesSettings();
            settings.AllowLightningInternalNodeForAll = false;
            await tester.PayTester.GetService<SettingsRepository>().UpdateSetting(settings);
            var nonAdminUser = tester.NewAccount();
            await nonAdminUser.GrantAccessAsync(false);
            var nonAdminUserClient= await nonAdminUser.CreateClient(Policies.CanModifyStoreSettings);
            
            await AssertHttpError(404, async () =>
            {
                 await nonAdminUserClient.GetStoreLightningNetworkPaymentMethod(nonAdminUser.StoreId, "BTC");
            });
            await Assert.ThrowsAsync<GreenFieldValidationException>(async () =>
            {
                await nonAdminUserClient.UpdateStoreLightningNetworkPaymentMethod(nonAdminUser.StoreId, "BTC", method);
            });
            
            settings = await tester.PayTester.GetService<SettingsRepository>().GetSettingAsync<PoliciesSettings>();
            settings.AllowLightningInternalNodeForAll = true;
            await tester.PayTester.GetService<SettingsRepository>().UpdateSetting(settings);

            await nonAdminUserClient.UpdateStoreLightningNetworkPaymentMethod(nonAdminUser.StoreId, "BTC", method);
        }

        [Fact(Timeout = 60 * 2 * 1000)]
        [Trait("Integration", "Integration")]
        public async Task WalletAPITests()
        {
            using var tester = ServerTester.Create();
            await tester.StartAsync();
            
            var user = tester.NewAccount();
            await user.GrantAccessAsync(true);
            
            var client = await user.CreateClient(Policies.CanModifyStoreSettings, Policies.CanModifyServerSettings);
            var viewOnlyClient = await user.CreateClient(Policies.CanViewStoreSettings);
            var walletId = await user.RegisterDerivationSchemeAsync("BTC", ScriptPubKeyType.Segwit, true);
    
            //view only clients can't do jack shit with this API
            await AssertHttpError(403, async () =>
            {
                await viewOnlyClient.ShowOnChainWalletOverview(walletId.StoreId, walletId.CryptoCode );
            });
            var overview = await client.ShowOnChainWalletOverview(walletId.StoreId, walletId.CryptoCode );
            Assert.Equal(0m, overview.Balance);
            
            
            var fee = await client.GetOnChainFeeRate(walletId.StoreId, walletId.CryptoCode );
            Assert.NotNull( fee.FeeRate);

            await AssertHttpError(403, async () =>
            {
                await viewOnlyClient.GetOnChainWalletReceiveAddress(walletId.StoreId, walletId.CryptoCode );
            });
            var address = await client.GetOnChainWalletReceiveAddress(walletId.StoreId, walletId.CryptoCode );
            var address2 = await client.GetOnChainWalletReceiveAddress(walletId.StoreId, walletId.CryptoCode );
            var address3 = await client.GetOnChainWalletReceiveAddress(walletId.StoreId, walletId.CryptoCode, true );
            Assert.Equal(address.Address, address2.Address);
            Assert.NotEqual(address.Address, address3.Address);
            await AssertHttpError(403, async () =>
            {
                await viewOnlyClient.GetOnChainWalletUTXOs(walletId.StoreId, walletId.CryptoCode);
            });
            Assert.Empty(await client.GetOnChainWalletUTXOs(walletId.StoreId, walletId.CryptoCode));
            uint256 txhash = null;
            await tester.WaitForEvent<NewOnChainTransactionEvent>(async () =>
            {
                txhash =  await tester.ExplorerNode.SendToAddressAsync(
                    BitcoinAddress.Create(address3.Address, tester.ExplorerClient.Network.NBitcoinNetwork),
                    new Money(0.01m, MoneyUnit.BTC));
            });
            await tester.ExplorerNode.GenerateAsync(1);
            
            var address4 = await client.GetOnChainWalletReceiveAddress(walletId.StoreId, walletId.CryptoCode, false );
            Assert.NotEqual(address3.Address, address4.Address);
            await client.UnReserveOnChainWalletReceiveAddress(walletId.StoreId, walletId.CryptoCode);
            var address5 = await client.GetOnChainWalletReceiveAddress(walletId.StoreId, walletId.CryptoCode, true );
            Assert.Equal(address5.Address, address4.Address);

            
            var utxo = Assert.Single(await client.GetOnChainWalletUTXOs(walletId.StoreId, walletId.CryptoCode));
           Assert.Equal(0.01m, utxo.Amount);
           Assert.Equal(txhash, utxo.Outpoint.Hash);
           overview = await client.ShowOnChainWalletOverview(walletId.StoreId, walletId.CryptoCode );
           Assert.Equal(0.01m, overview.Balance);
           
            //the simplest request:
            var nodeAddress = await tester.ExplorerNode.GetNewAddressAsync();
            var createTxRequest = new CreateOnChainTransactionRequest()
            {
                Destinations =
                    new List<CreateOnChainTransactionRequest.CreateOnChainTransactionRequestDestination>()
                    {
                        new CreateOnChainTransactionRequest.CreateOnChainTransactionRequestDestination()
                        {
                            Destination = nodeAddress.ToString(), Amount = 0.001m
                        }
                    },
                FeeRate = new FeeRate(5m) //only because regtest may fail but not required
            };
            await AssertHttpError(403, async () =>
            {
                await viewOnlyClient.CreateOnChainTransaction(walletId.StoreId, walletId.CryptoCode, createTxRequest );
            });
            await Assert.ThrowsAsync<ArgumentOutOfRangeException>(async () =>
            {
                await client.CreateOnChainTransactionButDoNotBroadcast(walletId.StoreId, walletId.CryptoCode,
                    createTxRequest, tester.ExplorerClient.Network.NBitcoinNetwork);
            });
            await Assert.ThrowsAsync<ArgumentOutOfRangeException>(async () =>
            {
                createTxRequest.ProceedWithBroadcast = false;
                await client.CreateOnChainTransaction(walletId.StoreId, walletId.CryptoCode,
                    createTxRequest);
            });
            Transaction tx;
            
                tx = await client.CreateOnChainTransactionButDoNotBroadcast(walletId.StoreId, walletId.CryptoCode,
                    createTxRequest, tester.ExplorerClient.Network.NBitcoinNetwork);
           
           
            Assert.NotNull(tx);
            Assert.Contains(tx.Outputs, txout => txout.IsTo(nodeAddress) && txout.Value.ToDecimal(MoneyUnit.BTC) == 0.001m);
            Assert.True((await tester.ExplorerNode.TestMempoolAcceptAsync(tx)).IsAllowed);

            // no change test
            createTxRequest.NoChange = true;
            tx = await client.CreateOnChainTransactionButDoNotBroadcast(walletId.StoreId, walletId.CryptoCode,
                createTxRequest, tester.ExplorerClient.Network.NBitcoinNetwork);
            Assert.NotNull(tx);
            Assert.True(Assert.Single(tx.Outputs).IsTo(nodeAddress) );
            Assert.True((await tester.ExplorerNode.TestMempoolAcceptAsync(tx)).IsAllowed);

            createTxRequest.NoChange = false;
            //coin selection
            await AssertValidationError(new []{nameof(createTxRequest.SelectedInputs)}, async () =>
            {
                createTxRequest.SelectedInputs = new List<OutPoint>();
                tx = await client.CreateOnChainTransactionButDoNotBroadcast(walletId.StoreId, walletId.CryptoCode,
                    createTxRequest, tester.ExplorerClient.Network.NBitcoinNetwork);
            });
            createTxRequest.SelectedInputs = new List<OutPoint>()
            {
                utxo.Outpoint
            };
            tx = await client.CreateOnChainTransactionButDoNotBroadcast(walletId.StoreId, walletId.CryptoCode,
                createTxRequest, tester.ExplorerClient.Network.NBitcoinNetwork);
            createTxRequest.SelectedInputs = null;
            
            //destination testing
            await AssertValidationError(new []{ "Destinations"}, async () =>
            {
                createTxRequest.Destinations[0].Amount = utxo.Amount;
                tx = await client.CreateOnChainTransactionButDoNotBroadcast(walletId.StoreId, walletId.CryptoCode,
                    createTxRequest, tester.ExplorerClient.Network.NBitcoinNetwork);
            });
            
            createTxRequest.Destinations[0].SubtractFromAmount = true;
            tx = await client.CreateOnChainTransactionButDoNotBroadcast(walletId.StoreId, walletId.CryptoCode,
                createTxRequest, tester.ExplorerClient.Network.NBitcoinNetwork);
            
            
            await AssertValidationError(new []{ "Destinations[0]"}, async () =>
            {
                createTxRequest.Destinations[0].Amount = 0m;
                tx = await client.CreateOnChainTransactionButDoNotBroadcast(walletId.StoreId, walletId.CryptoCode,
                    createTxRequest, tester.ExplorerClient.Network.NBitcoinNetwork);
            });
            
            //dest can be a bip21
            
            //cant use bip with subtractfromamount
            createTxRequest.Destinations[0].Amount = null;
            createTxRequest.Destinations[0].Destination = $"bitcoin:{nodeAddress}?amount=0.001";
            await AssertValidationError(new []{ "Destinations[0]"}, async () =>
            {
                tx = await client.CreateOnChainTransactionButDoNotBroadcast(walletId.StoreId, walletId.CryptoCode,
                    createTxRequest, tester.ExplorerClient.Network.NBitcoinNetwork);
            });
            //if amt specified, it  overrides bip21 amount
            createTxRequest.Destinations[0].Amount = 0.0001m;
            createTxRequest.Destinations[0].SubtractFromAmount = false;
            tx = await client.CreateOnChainTransactionButDoNotBroadcast(walletId.StoreId, walletId.CryptoCode,
                createTxRequest, tester.ExplorerClient.Network.NBitcoinNetwork);
            Assert.Contains(tx.Outputs, txout => txout.Value.GetValue(tester.NetworkProvider.GetNetwork<BTCPayNetwork>("BTC")) ==0.0001m );
            
            //fee rate test
            createTxRequest.FeeRate = FeeRate.Zero;
            await AssertValidationError(new []{ "FeeRate"}, async () =>
            {
                tx = await client.CreateOnChainTransactionButDoNotBroadcast(walletId.StoreId, walletId.CryptoCode,
                    createTxRequest, tester.ExplorerClient.Network.NBitcoinNetwork);
            });


            createTxRequest.FeeRate = new FeeRate(5.0m);            
            
            createTxRequest.Destinations[0].Amount = 0.001m;
            createTxRequest.Destinations[0].Destination = nodeAddress.ToString();
            createTxRequest.Destinations[0].SubtractFromAmount = false;
            await AssertHttpError(403, async () =>
            {
                await viewOnlyClient.CreateOnChainTransactionButDoNotBroadcast(walletId.StoreId, walletId.CryptoCode,
                    createTxRequest, tester.ExplorerClient.Network.NBitcoinNetwork);
            });
            createTxRequest.ProceedWithBroadcast = true;
            var txdata= 
                await client.CreateOnChainTransaction(walletId.StoreId, walletId.CryptoCode,
                    createTxRequest);
            Assert.Equal(TransactionStatus.Unconfirmed, txdata.Status);
            Assert.Null(txdata.BlockHeight);
            Assert.Null(txdata.BlockHash);
            Assert.NotNull(await tester.ExplorerClient.GetTransactionAsync(txdata.TransactionHash));
            
            await AssertHttpError(403, async () =>
            {
                await viewOnlyClient.GetOnChainWalletTransaction(walletId.StoreId, walletId.CryptoCode, txdata.TransactionHash.ToString());
            });
            await client.GetOnChainWalletTransaction(walletId.StoreId, walletId.CryptoCode, txdata.TransactionHash.ToString());
            
            await AssertHttpError(403, async () =>
            {
                await viewOnlyClient.ShowOnChainWalletTransactions(walletId.StoreId, walletId.CryptoCode);
            });
            Assert.True(Assert.Single(
                await client.ShowOnChainWalletTransactions(walletId.StoreId, walletId.CryptoCode,
                    new[] {TransactionStatus.Confirmed})).TransactionHash == utxo.Outpoint.Hash);
            Assert.Contains(
                await client.ShowOnChainWalletTransactions(walletId.StoreId, walletId.CryptoCode,
                    new[] {TransactionStatus.Unconfirmed}), data => data.TransactionHash == txdata.TransactionHash);
            Assert.Contains(
                await client.ShowOnChainWalletTransactions(walletId.StoreId, walletId.CryptoCode), data => data.TransactionHash == txdata.TransactionHash);
            await tester.WaitForEvent<NewBlockEvent>(async () =>
            {

                await tester.ExplorerNode.GenerateAsync(1);
            }, bevent => bevent.CryptoCode.Equals("BTC", StringComparison.Ordinal));

            Assert.Contains(
                await client.ShowOnChainWalletTransactions(walletId.StoreId, walletId.CryptoCode,
                    new[] {TransactionStatus.Confirmed}), data => data.TransactionHash == txdata.TransactionHash);

        }

        [Fact(Timeout = TestTimeout)]
        [Trait("Fast", "Fast")]
        public void NumericJsonConverterTests()
        {
            JsonReader Get(string val)
            {
                return new JsonTextReader(new StringReader(val));
            }

            var jsonConverter = new NumericStringJsonConverter();
            Assert.True(jsonConverter.CanConvert(typeof(decimal)));
            Assert.True(jsonConverter.CanConvert(typeof(decimal?)));
            Assert.True(jsonConverter.CanConvert(typeof(double)));
            Assert.True(jsonConverter.CanConvert(typeof(double?)));
            Assert.False(jsonConverter.CanConvert(typeof(float)));
            Assert.False(jsonConverter.CanConvert(typeof(string)));

            var numberJson = "1";
            var numberDecimalJson = "1.2";
            var stringJson = "\"1.2\"";
            Assert.Equal(1m, jsonConverter.ReadJson(Get(numberJson), typeof(decimal), null, null));
            Assert.Equal(1.2m, jsonConverter.ReadJson(Get(numberDecimalJson), typeof(decimal), null, null));
            Assert.Null(jsonConverter.ReadJson(Get("null"), typeof(decimal?), null, null));
            Assert.Equal((double)1.0, jsonConverter.ReadJson(Get(numberJson), typeof(double), null, null));
            Assert.Equal((double)1.2, jsonConverter.ReadJson(Get(numberDecimalJson), typeof(double), null, null));
            Assert.Null(jsonConverter.ReadJson(Get("null"), typeof(double?), null, null));
            Assert.Throws<JsonSerializationException>(() =>
            {
                jsonConverter.ReadJson(Get("null"), typeof(decimal), null, null);
            });
            Assert.Throws<JsonSerializationException>(() =>
         {
             jsonConverter.ReadJson(Get("null"), typeof(double), null, null);
         });
            Assert.Equal(1.2m, jsonConverter.ReadJson(Get(stringJson), typeof(decimal), null, null));
            Assert.Equal(1.2m, jsonConverter.ReadJson(Get(stringJson), typeof(decimal?), null, null));
            Assert.Equal(1.2, jsonConverter.ReadJson(Get(stringJson), typeof(double), null, null));
            Assert.Equal(1.2, jsonConverter.ReadJson(Get(stringJson), typeof(double?), null, null));
        }

    }
}