import asyncio
import logging
from typing import Optional

import websockets.exceptions

from swiftstory.game import Game
from swiftstory.exception import WrongAction, UnsupportedLanguage, JoinError


class Client:
    def __init__(self, socket, game_manager):
        self.game: Optional[Game] = None
        self.game_manager = game_manager

        self.socket = socket
        self.player = None

    def join_game(self, game_name, lang):
        if self.game is not None:
            raise WrongAction('You are already in a game')

        if lang is None:
            lang = 'en'

        try:
            game = self.game_manager.join_game(game_name, lang)
        except UnsupportedLanguage as e:
            raise JoinError(f"unsupported language: {str(e)}") from e
        # XXX self.game will be assigned by game.try_join()

        return game.try_join(self)

    def play_white_card(self, card_id):
        if self.game is None:
            raise WrongAction('You have to join a game first')
        return self.game.try_play_card(self.player, card_id)

    def pick_black_card(self):
        if self.game is None:
            raise WrongAction('You have to join a game first')
        return self.game.try_become_judge(self.player)

    def collect_cards(self):
        if self.game is None:
            raise WrongAction('You have to join a game first')
        return self.game.try_collect_cards(self.player)

    def designate_card(self, card_id):
        if self.game is None:
            raise WrongAction('You have to join a game first')
        return self.game.try_designate_card(self.player, card_id)

    def view_player_cards(self):
        if self.game is None:
            raise WrongAction('You have to join a game first')
        return self.game.try_view_player_cards(self.player)

    def view_played_cards(self):
        if self.game is None:
            raise WrongAction('You have to join a game first')
        return self.game.try_view_played_cards(self.player)

    def view_black_card(self):
        if self.game is None:
            raise WrongAction('You have to join a game first')
        return self.game.try_view_black_card(self.player)

    def register_notification(self, message):
        async def f():
            try:
                await self.socket.send(message)
            except websockets.exceptions.ConnectionClosed:
                logging.warning("Recipient has disconnected.")

        asyncio.create_task(f())

    def disconnect(self):
        if self.player is not None:
            if self.game is None:
                raise ValueError("Disconnect from inexistent game.")
            self.game.disconnect(self.player)