import random

from funcs import logThis
from .loveletterDraw import DrawLove

class HexGame():
    def __init__(self,bot):
        self.bot = bot
        self.draw = DrawHex(bot)

    # Parses command
    def parseLove(self, command, channel, user):
        commands = command.lower().split()
        game = self.bot.database["loveletter games"].find_one({"_id":channel})

        if command == "" or command == " ":
            logThis(str(user)+"started a Love Letter game with loveStart(). "+)
            return self.loveStart(channel,user,commands[1]) # commands[1] is the opponent

        elif commands[0] == "start":
            # Starting a game
            if len(commands) == 1: # if the commands is "!hex start", the opponent is Gwendolyn at difficulty 2
                commands.append("2")
            logThis("Starting a hex game with hexStart(). "+str(user)+" challenged "+commands[1])
            return self.hexStart(channel,user,commands[1]) # commands[1] is the opponent

        # If using a command with no game, return error
        elif game == None:
            return "There's no game in this channel", False, False, False, False

        # Stopping the game
        elif commands[0] == "stop":
            if user in game["players"]:
                return "Ending game.", False, False, True, False
            else:
                return "You can't end a game where you're not a player.", False, False, False, False

        # Placing a piece
        elif commands[0] == "place":
            try:
                return self.placeHex(channel,commands[1], user)
            except:
                return "I didn't get that. To place a piece use \"!hex place [position]\". A valid position is e.g. \"E2\".", False, False, False, False

        # Undo
        elif commands[0] == "undo":
            return self.undoHex(channel, user)

        # Surrender
        elif commands[0] == "surrender":
            players = game["players"]
            if user in players:
                opponent = (players.index(user) + 1) % 2
                self.bot.database["hex games"].update_one({"_id":channel},{"$set":{"winner":opponent + 1}})
                return "{} surrendered. That means {} won! Adding 30 Gwendobucks to their account.".format(self.bot.funcs.getName(user),self.bot.funcs.getName(players[opponent])), False, False, True, False
            else:
                return "You can't surrender when you're not a player.", False, False, False, False

        # Swap
        elif commands[0] == "swap":
            if len(game["gameHistory"]) == 1: # Only after the first move
                self.bot.database["hex games"].update_one({"_id":channel},
                    {"$set":{"players":game["players"][::-1]}}) # Swaps their player-number

                # Swaps the color of the hexes on the board drawing:
                self.draw.drawSwap(channel)
                player2 = game["players"][1]
                gwendoTurn = (player2 == "Gwendolyn")
                return "The color of both players were swapped. It is now {}'s turn".format(player2), True, True, False, gwendoTurn
            else:
                return "You can only swap as the second player after the very first move.", False, False, False, False

        else:
            return "I didn't get that. Use \"!hex start [opponent]\" to start a game, \"!hex place [position]\" to place a piece, \"!hex undo\" to undo your last move or \"!hex stop\" to stop a current game.", False, False, False, False

    # Starts the game
    def loveStart(self, channel, user, opponent):
        game = self.bot.database["loveletter games"].find_one({"_id":channel})

        if game == None:
            
            
            deck = [1,1,1,1,1, 2,2, 3,3, 4,4, 5,5, 6, 7, 8]
            random.shuffle(deck)
            cardAside = deck[0]
            del deck[0] # The card that is set aside

            newGame = {"_id":channel,"user hands": {},"discard piles":{},"deck":deck,"round":0,"cardAside":cardAside}
            
            self.bot.database["loveletter games"].insert_one(newGame)

            return ""
        else:
            logThis("There's already a Love Letter game going on in this channel",str(channel))
            return "There's already a Love Letter game going on in this channel"