import shortuuid  # type: ignore
from http import HTTPStatus
from datetime import datetime
from quart import jsonify, request

from lnbits.core.services import pay_invoice

from . import withdraw_ext
from .crud import get_withdraw_link_by_hash, update_withdraw_link


# FOR LNURLs WHICH ARE NOT UNIQUE


@withdraw_ext.route("/api/v1/lnurl/<unique_hash>", methods=["GET"])
async def api_lnurl_response(unique_hash):
    link = await get_withdraw_link_by_hash(unique_hash)

    if not link:
        return jsonify({"status": "ERROR", "reason": "LNURL-withdraw not found."}), HTTPStatus.OK

    if link.is_unique == 1:
        return jsonify({"status": "ERROR", "reason": "LNURL-withdraw not found."}), HTTPStatus.OK

    usescsv = ""
    for x in range(1, link.uses - link.used):
        usescsv += "," + str(1)
    usescsv = usescsv[1:]
    link = await update_withdraw_link(link.id, usescsv=usescsv)

    return jsonify(link.lnurl_response.dict()), HTTPStatus.OK


# FOR LNURLs WHICH ARE UNIQUE


@withdraw_ext.route("/api/v1/lnurl/<unique_hash>/<id_unique_hash>", methods=["GET"])
async def api_lnurl_multi_response(unique_hash, id_unique_hash):
    link = await get_withdraw_link_by_hash(unique_hash)

    if not link:
        return jsonify({"status": "ERROR", "reason": "LNURL-withdraw not found."}), HTTPStatus.OK

    useslist = link.usescsv.split(",")
    usescsv = ""
    found = False
    if link.is_unique == 0:
        for x in range(link.uses - link.used):
            usescsv += "," + str(1)
    else:
        for x in useslist:
            tohash = link.id + link.unique_hash + str(x)
            if id_unique_hash == shortuuid.uuid(name=tohash):
                found = True
            else:
                usescsv += "," + x
    if not found:
        return jsonify({"status": "ERROR", "reason": "LNURL-withdraw not found."}), HTTPStatus.OK

    usescsv = usescsv[1:]
    link = await update_withdraw_link(link.id, usescsv=usescsv)
    return jsonify(link.lnurl_response.dict()), HTTPStatus.OK


# CALLBACK


@withdraw_ext.route("/api/v1/lnurl/cb/<unique_hash>", methods=["GET"])
async def api_lnurl_callback(unique_hash):
    link = await get_withdraw_link_by_hash(unique_hash)
    k1 = request.args.get("k1", type=str)
    payment_request = request.args.get("pr", type=str)
    now = int(datetime.now().timestamp())

    if not link:
        return jsonify({"status": "ERROR", "reason": "LNURL-withdraw not found."}), HTTPStatus.OK

    if link.is_spent:
        return jsonify({"status": "ERROR", "reason": "Withdraw is spent."}), HTTPStatus.OK

    if link.k1 != k1:
        return jsonify({"status": "ERROR", "reason": "Bad request."}), HTTPStatus.OK

    if now < link.open_time:
        return jsonify({"status": "ERROR", "reason": f"Wait {link.open_time - now} seconds."}), HTTPStatus.OK

    try:
        await pay_invoice(
            wallet_id=link.wallet,
            payment_request=payment_request,
            max_sat=link.max_withdrawable,
            extra={"tag": "withdraw"},
        )

        changes = {"open_time": link.wait_time + now, "used": link.used + 1}

        await update_withdraw_link(link.id, **changes)
    except ValueError as e:
        return jsonify({"status": "ERROR", "reason": str(e)}), HTTPStatus.OK
    except PermissionError:
        return jsonify({"status": "ERROR", "reason": "Withdraw link is empty."}), HTTPStatus.OK

    return jsonify({"status": "OK"}), HTTPStatus.OK