from math import floor
from csv import reader
from pathlib import Path
from random import sample
from dataclasses import dataclass


@dataclass
class Player:
    name: str
    skill: int
    status: bool


@dataclass
class Team:
    player1: Player
    player2: Player


@dataclass
class Game:
    team1: Team
    team2: Team


class PlayerList:

    def __init__(self, location: Path = "players.csv"):
        with open(location, newline="") as file:
            data_reader = reader(file)
            next(data_reader, None)
            self.players = [
                (
                    Player(
                        name=row[0],
                        skill=row[1],
                        status=(row[2] == "True"),
                    )
                )
                for row in data_reader
            ]

    def get_player(self, player_request: str):
        return [player for player in self.players if player.name == player_request]

    def get_active_players(self):
        return [player for player in self.players if player.status]

    def toggle_player(self, player_request: Player):
        self.players = [
            (
                Player(
                    name=player.name,
                    skill=player.skill,
                    status=not player.status,
                )
                if player.name == player_request
                else player
            )
            for player in self.players
        ]

    def __str__(self):
        display_string = ""
        for player in self.players:
            display_string += player.__str__() + "\n"
        return display_string


TOTAL_PLAYERS_PER_COURT = 4
DUMMY_PLAYER = Player(name="-", skill=0, status=True)
DUMMY_TEAM = Team(player1=DUMMY_PLAYER, player2=DUMMY_PLAYER)
DUMMY_GAME = Game(DUMMY_TEAM, DUMMY_TEAM)


@dataclass
class GameList:
    courts: int = 8

    def __post_init__(self):
        self.games = [DUMMY_GAME for _ in range(self.courts)]

    def create_games(self, players: list[Player]):
        possible_games = floor(len(players) / TOTAL_PLAYERS_PER_COURT)
        chosen_players = sample(players, possible_games * TOTAL_PLAYERS_PER_COURT)
        clumped_players = [
            chosen_players[i : i + TOTAL_PLAYERS_PER_COURT]
            for i in range(0, len(chosen_players), TOTAL_PLAYERS_PER_COURT)
        ]
        games = []
        for clump in clumped_players:
            team1 = Team(player1=clump[0], player2=clump[1])
            team2 = Team(player1=clump[2], player2=clump[3])
            game = Game(team1, team2)
            games.append(game)
        empty_courts = (
            self.courts - possible_games if self.courts > possible_games else 0
        )
        self.games = games + [DUMMY_GAME for _ in range(empty_courts)]