# Twisted/Klein imports
from twisted.logger import Logger
from twisted.internet.task import LoopingCall

# Other library imports
from json import loads
from forex_python.converter import CurrencyRates
from agoradesk_py.agoradesk import AgoraDesk

# Project imports
from settings import settings


class Agora(object):
    """
    AgoraDesk API handler.
    """

    def __init__(self):
        """
        Initialise the AgoraDesk and CurrencyRates APIs.
        Initialise the last_dash storage for detecting new trades.
        """
        self.log = Logger("agora")
        self.agora = AgoraDesk(settings.Agora.Token)
        self.cr = CurrencyRates()
        self.last_dash = set()

    def set_irc(self, irc):
        self.irc = irc

    def setup_loop(self):
        """
        Set up the LoopingCall to get all active trades.
        """
        self.lc = LoopingCall(self.dashboard)
        self.lc.start(int(settings.Agora.RefreshSec))

    def dashboard_id_only(self):
        """
        Returns a list of the IDs of open trades.
        :return: list of open trade IDs
        :rtype: list
        """
        dash = self.agora.dashboard_seller()
        dash_tmp = []
        if dash["response"]["data"]["contact_count"] > 0:
            for contact in dash["response"]["data"]["contact_list"]:
                contact_id = contact["data"]["contact_id"]
                dash_tmp.append(contact_id)
        return dash_tmp

    def dashboard(self):
        """
        Get information about our open trades.
        :return: human readable list of strings about our trades
        :rtype: list
        """
        dash = self.agora.dashboard_seller()
        dash_tmp = []
        if dash["response"]["data"]["contact_count"] > 0:
            for contact in dash["response"]["data"]["contact_list"]:
                contact_id = contact["data"]["contact_id"]
                buyer = contact["data"]["buyer"]["username"]
                amount = contact["data"]["amount"]
                amount_xmr = contact["data"]["amount_xmr"]
                currency = contact["data"]["currency"]
                if not contact["data"]["is_selling"]:
                    continue
                if contact_id not in self.last_dash:
                    self.irc.client.msg(self.irc.client.channel, f"{contact_id}: {buyer} {amount}{currency} {amount_xmr}XMR")

                dash_tmp.append(f"{contact_id}: {buyer} {amount}{currency} {amount_xmr}XMR")
                self.last_dash.add(contact_id)
        return dash_tmp

    def get_messages(self, contact_id):
        """
        Get messages for a certain trade ID.
        :param contact_id: trade/contact ID
        :return: list of messages
        :rtype: list
        """
        messages = self.agora.contact_messages(contact_id)
        messages_tmp = []
        for message in messages["response"]["data"]["message_list"]:
            messages_tmp.append(f"({message['sender']['username']}): {message['msg']}")
        return messages_tmp

    def get_all_messages(self):
        """
        Get all messages for all open trades.
        :return: dict of lists keyed by trade/contact ID
        :rtype: dict with lists
        """
        dash = self.dashboard_id_only()
        messages_tmp = {}
        for contact_id in dash:
            messages = self.get_messages(contact_id)
            messages_tmp[contact_id] = messages

        return messages_tmp

    def get_ads(self):
        """
        Get information about our ads.
        :return: data about our open ads
        :rtype: dict
        """
        ads = self.agora.ads()
        return ads

    def get_rates_all(self):
        """
        Get all rates that pair with USD.
        :return: dictionary of USD/XXX rates
        :rtype: dict
        """
        rates = self.cr.get_rates("USD")
        return rates

    def create_ad(self, countrycode, currency):
        """
        Post an ad in a country with a given currency.
        Convert the min and max amounts from settings to the given currency with CurrencyRates.
        :param countrycode: country code
        :param currency: currency code
        :type countrycode: string
        :type currency: string
        :return: data about created object or error
        :rtype: dict
        """
        rates = self.get_rates_all()
        if currency == "USD":
            min_amount = float(settings.Agora.MinUSD)
            max_amount = float(settings.Agora.MaxUSD)
        else:
            min_amount = rates[currency] * float(settings.Agora.MinUSD)
            max_amount = rates[currency] * float(settings.Agora.MaxUSD)
        price_formula = f"coingeckoxmrusd*usd{currency.lower()}*{settings.Agora.Margin}"
        # price_formula = f"coingeckoxmrusd*{settings.Agora.Margin}"
        ad = settings.Agora.Ad
        ad = ad.replace("\\t", "\t")
        ad = self.agora.ad_create(
            country_code=countrycode,
            currency=currency,
            trade_type="ONLINE_SELL",
            asset="XMR",
            price_equation=price_formula,
            track_max_amount=False,
            require_trusted_by_advertiser=False,
            # verified_email_required = False,
            online_provider="REVOLUT",
            msg=settings.Agora.Ad,
            min_amount=min_amount,
            max_amount=max_amount,
            payment_method_details=settings.Agora.PaymentMethodDetails,
            # require_feedback_score = 0,
            account_info=settings.Agora.PaymentDetails,
        )
        return ad

    def dist_countries(self):
        """
        Distribute our advert into all countries listed in the config.
        :return: True or False
        :rtype: bool
        """
        for currency, countrycode in loads(settings.Agora.DistList):
            rtrn = self.create_ad(countrycode, currency)
            if not rtrn:
                return False
        return True