import math
from http import HTTPStatus
import json
import httpx
import random
import os
import time
from fastapi import Query
from fastapi.params import Depends
from lnurl import decode as decode_lnurl
from loguru import logger
from starlette.exceptions import HTTPException

from lnbits.core.crud import get_wallet_for_key
from lnbits.core.crud import get_user
from lnbits.core.services import create_invoice
from lnbits.core.views.api import api_payment, api_wallet
from lnbits.decorators import WalletTypeInfo, get_key_type, require_admin_key
from fastapi.templating import Jinja2Templates

from . import gerty_ext
from .crud import create_gerty, update_gerty, delete_gerty, get_gerty, get_gertys
from .models import Gerty

from lnbits.utils.exchange_rates import satoshis_amount_as_fiat
from ...settings import LNBITS_PATH


@gerty_ext.get("/api/v1/gerty", status_code=HTTPStatus.OK)
async def api_gertys(
        all_wallets: bool = Query(False), wallet: WalletTypeInfo = Depends(get_key_type)
):
    wallet_ids = [wallet.wallet.id]
    if all_wallets:
        wallet_ids = (await get_user(wallet.wallet.user)).wallet_ids

    return [gerty.dict() for gerty in await get_gertys(wallet_ids)]


@gerty_ext.post("/api/v1/gerty", status_code=HTTPStatus.CREATED)
@gerty_ext.put("/api/v1/gerty/{gerty_id}", status_code=HTTPStatus.OK)
async def api_link_create_or_update(
        data: Gerty,
        wallet: WalletTypeInfo = Depends(get_key_type),
        gerty_id: str = Query(None),
):
    if gerty_id:
        gerty = await get_gerty(gerty_id)
        if not gerty:
            raise HTTPException(
                status_code=HTTPStatus.NOT_FOUND, detail="Gerty does not exist"
            )

        if gerty.wallet != wallet.wallet.id:
            raise HTTPException(
                status_code=HTTPStatus.FORBIDDEN,
                detail="Come on, seriously, this isn't your Gerty!",
            )

        data.wallet = wallet.wallet.id
        gerty = await update_gerty(gerty_id, **data.dict())
    else:
        gerty = await create_gerty(wallet_id=wallet.wallet.id, data=data)

    return {**gerty.dict()}


@gerty_ext.delete("/api/v1/gerty/{gerty_id}")
async def api_gerty_delete(
        gerty_id: str, wallet: WalletTypeInfo = Depends(require_admin_key)
):
    gerty = await get_gerty(gerty_id)

    if not gerty:
        raise HTTPException(
            status_code=HTTPStatus.NOT_FOUND, detail="Gerty does not exist."
        )

    if gerty.wallet != wallet.wallet.id:
        raise HTTPException(status_code=HTTPStatus.FORBIDDEN, detail="Not your Gerty.")

    await delete_gerty(gerty_id)
    raise HTTPException(status_code=HTTPStatus.NO_CONTENT)


#######################

with open(os.path.join(LNBITS_PATH, 'extensions/gerty/static/satoshi.json')) as fd:
    satoshiQuotes = json.load(fd)


@gerty_ext.get("/api/v1/gerty/satoshiquote", status_code=HTTPStatus.OK)
async def api_gerty_satoshi():
    return satoshiQuotes[random.randint(0, 100)]


@gerty_ext.get("/api/v1/gerty/{gerty_id}")
async def api_gerty_json(
        gerty_id: str,
        p: int = None # page number
):
    gerty = await get_gerty(gerty_id)

    if not gerty:
        raise HTTPException(
            status_code=HTTPStatus.NOT_FOUND, detail="Gerty does not exist."
        )

    display_preferences = json.loads(gerty.display_preferences)

    enabled_screen_count = 0

    enabled_screens = []

    for screen_slug in display_preferences:
        is_screen_enabled = display_preferences[screen_slug]
        if is_screen_enabled:
            enabled_screen_count += 1
            enabled_screens.append(screen_slug)

    get_screen_text(p, enabled_screens)

    next_screen_number = 0 if ((p + 1) >= enabled_screen_count) else p + 1;

    # Get Satoshi quotes
    satoshi = []
    # if gerty.sats_quote:
    #     quote = await api_gerty_satoshi()
    #     if quote:
    #         satoshi.append(await api_gerty_satoshi())

    # Get Exchange Value
    exchange = []
    # if gerty.exchange != "":
    #     try:
    #         amount = await satoshis_amount_as_fiat(100000000, gerty.exchange)
    #         if amount:
    #             exchange.append({
    #                 "fiat": gerty.exchange,
    #                 "amount": amount,
    #             })
    #     except:
    #         pass
    #
    # onchain = []
    # if gerty.onchain_stats and isinstance(gerty.mempool_endpoint, str):
    #     async with httpx.AsyncClient() as client:
    #         difficulty = []
    #         r = await client.get(gerty.mempool_endpoint + "/api/v1/difficulty-adjustment")
    #         if r:
    #             difficulty.append(r.json())
    #             onchain.append({"difficulty":difficulty})
    #         mempool = []
    #         r = await client.get(gerty.mempool_endpoint + "/api/v1/fees/mempool-blocks")
    #         if r:
    #             mempool.append(r.json())
    #             onchain.append({"mempool":mempool})
    #         threed = []
    #         r = await client.get(gerty.mempool_endpoint + "/api/v1/mining/hashrate/3d")
    #         if r:
    #             threed.append(r.json())
    #             onchain.append({"threed":threed})

    # ln = []
    # if gerty.ln_stats and isinstance(gerty.mempool_endpoint, str):
    #     async with httpx.AsyncClient() as client:
    #         r = await client.get(gerty.mempool_endpoint + "/api/v1/lightning/statistics/latest")
    #         if r:
    #             ln.append(r.json())

    return {
        "settings": {
            "refreshTime": gerty.refresh_time,
            "requestTimestamp": math.ceil(time.time()),
            "nextScreenNumber": next_screen_number,
            "name": gerty.name
        },
        "screen": {
            "slug": "x",
            "group": "x",
            "text": [
                {
                    "value": "Craig Steven Wright is a liar and\na fraud",
                    "size": 20,
                    "x": 20,
                    "y": 70
                }
            ],
        }

    }

def get_screen_text(screen_num: int, display_preferences: dict):
    # first get the relevant slug from the display_preferences
    screen_slug = list(display_preferences)[screen_num]
    # logger.debug('screen_slug')
    # logger.debug(screen_slug)
    if screen_slug == "lnbits_wallets_balance":

    return screen_slug

def get_lnbits_wallet_balances(gerty):
    # Get Wallet info
    wallets = []
    if gerty.lnbits_wallets != "":
        logger.debug("wallets")
        logger.debug(gerty.lnbits_wallets)
        for lnbits_wallet in json.loads(gerty.lnbits_wallets):
            wallet = await get_wallet_for_key(key=lnbits_wallet)
            if wallet:
                wallets.append({
                    "name": wallet.name,
                    "balance": wallet.balance_msat,
                    "inkey": wallet.inkey,
                })
            logger.debug(lnbits_wallet)
    return wallets