import asyncio

from apscheduler.schedulers.asyncio import AsyncIOScheduler
from django.core.management.base import BaseCommand
from pyotp import TOTP

from core.clients.aggregators.nordigen import NordigenClient
from core.clients.platforms.agora import AgoraClient
from core.lib.money import Money
from core.lib.notify import sendmsg
from core.models import (
    INTERVAL_CHOICES,
    Aggregator,
    LinkGroup,
    Payout,
    Platform,
    Requisition,
)
from core.util import logs
from core.util.validation import Validation

log = logs.get_logger("scheduling")

INTERVAL_AGGREGATOR = 10
INTERVAL_WITHDRAWAL = 7200

INTERVALS_PLATFORM = [x[0] for x in INTERVAL_CHOICES]


async def withdrawal_job(group=None):
    money = Money()
    if group is not None:
        groups = [group]
    else:
        groups = LinkGroup.objects.filter(enabled=True)
    for group in groups:
        checks = await money.check_all(
            link_group=group, nordigen=NordigenClient, agora=AgoraClient
        )

        if checks["total_remaining"] > 0:
            # More than 0 remaining, so we can't withdraw
            await sendmsg(
                group.user,
                f"{checks['total_remaining']} left until you can withdraw.",
                title="Balance update",
            )
            continue

        print("CHECKS", checks)
        aggregators = Aggregator.objects.filter(
            user=group.user,
            link_group=group,
        )
        platforms = Platform.objects.filter(
            user=group.user,
            link_group=group,
        )
        requisitions = Requisition.objects.filter(
            user=group.user,
            aggregator__in=aggregators,
        )
        pay_list = money.get_pay_list(
            group,
            requisitions,
            platforms,
            group.user,
            checks["total_profit_in_xmr"],
        )
        collapsed = money.collapse_pay_list(pay_list)
        if any(collapsed.values()):
            message = ""
            print("COLLAPSED", collapsed)
            for wallet, amount in collapsed.items():
                print("ITER", wallet, amount)
                message += f"{wallet}: {amount}\n"
            print("MESSAGE", message)
            await sendmsg(
                group.user,
                message,
                title="Your withdrawal is ready!",
            )

            # TODO: UNCOMMENT
            # COMMENTED FOR TESTING
            # if not checks["total_profit_in_xmr"] >= 0:
            #     return

            total_withdrawal = sum(collapsed.values())
            if checks["total_xmr_agora"] < total_withdrawal:
                await sendmsg(
                    group.user,
                    (
                        f"Attempting to withdraw {total_withdrawal}, but you only have"
                        f" {checks['total_xmr_agora']} in your Agora wallet."
                    ),
                    title="Withdrawal failed",
                )
                continue
            if group.platforms.count() != 1:
                raise Exception("You can only have one platform per group")

            platform = group.platforms.first()
            run = await AgoraClient(platform)
            otp_code = TOTP(platform.otp_token).now()

            for wallet, pay_list_iter in pay_list.items():
                print("WALLET ITER", wallet)
                if not Validation.is_address("xmr", wallet.address):
                    print("NOT VALID", wallet.address)
                    await sendmsg(
                        group.user,
                        f"Invalid XMR address: {wallet.address}",
                        title="Invalid XMR address",
                    )
                    continue

                for amount, reason in pay_list_iter:
                    print("ITER", wallet, pay_list_iter)
                    print("ITER SENT", wallet, amount, reason)

                    # for wallet, amount in collapsed.items():
                    print("ITER SEND", wallet, amount)
                    cast = {
                        "address": wallet.address,
                        "amount": amount,
                        "password": platform.password,
                        "otp": otp_code,
                    }

                    print("CAST ADDRESS", cast["address"])
                    print("CAST AMOUNT", cast["amount"])
                    print("CAST OTP TRUNCATED BY 2", cast["otp"][-2])

                    sent = await run.call("wallet_send_xmr", **cast)
                    print("SENT", sent)

                    payout = Payout.objects.create(  # noqa
                        user=group.user,
                        wallet=wallet,
                        amount=amount,
                        description=reason,
                    )

                    payout.response = sent
                    payout.save()


async def aggregator_job():
    aggregators = Aggregator.objects.filter(enabled=True)
    for aggregator in aggregators:
        open_trade_currencies = aggregator.trades_currencies
        if aggregator.service == "nordigen":
            instance = None
            if aggregator.fetch_accounts is True:
                aggregator.account_info = {}
                aggregator.save()
                instance = await NordigenClient(aggregator)
                await instance.get_all_account_info(store=True)

            # fetch_tasks = []
            for bank, accounts in aggregator.account_info.items():
                for account in accounts:
                    account_id = account["account_id"]
                    requisition_id = account["requisition_id"]
                    if account["currency"] not in open_trade_currencies:
                        continue  # Next account
                    # Avoid hammering the API with new access token requests
                    if instance is None:
                        instance = await NordigenClient(aggregator)
                    # task = instance.get_transactions(
                    #     account_id, req=requisition_id, process=True
                    # )
                    await instance.get_transactions(
                        account_id, req=requisition_id, process=True
                    )
            #         fetch_tasks.append(task)
            # await asyncio.gather(*fetch_tasks)
        else:
            raise NotImplementedError(f"No such client library: {aggregator.service}")
        aggregator.fetch_accounts = False
        aggregator.save()


async def platform_job(interval):
    if interval == 0:
        return
    platforms = Platform.objects.filter(enabled=True, cheat_interval_seconds=interval)
    for platform in platforms:
        if platform.service == "agora":
            if platform.cheat is True:
                instance = await AgoraClient(platform)
                await instance.cheat()
        else:
            raise NotImplementedError(f"No such client library: {platform.service}")


class Command(BaseCommand):
    def handle(self, *args, **options):
        """
        Start the scheduling process.
        """
        scheduler = AsyncIOScheduler()

        log.debug(f"Scheduling {INTERVAL_AGGREGATOR} second aggregator job")
        scheduler.add_job(aggregator_job, "interval", seconds=INTERVAL_AGGREGATOR)

        log.debug(f"Scheduling {INTERVAL_WITHDRAWAL} second withdrawal job")
        scheduler.add_job(withdrawal_job, "interval", seconds=INTERVAL_WITHDRAWAL)

        for interval in INTERVALS_PLATFORM:
            if interval == 0:
                continue
            log.debug(f"Scheduling {interval} second platform job")
            scheduler.add_job(
                platform_job, "interval", seconds=interval, args=[interval]
            )
        scheduler.start()
        loop = asyncio.get_event_loop()
        try:
            loop.run_forever()
        except (KeyboardInterrupt, SystemExit):
            log.info("Process terminating")
        finally:
            loop.close()