from os import getenv
from math import floor
from csv import reader
from typing import Tuple
from dataclasses import dataclass

MIN_LEVEL = 1
MAX_LEVEL = 10
PLAYER_PER_COURT = 4


@dataclass
class Player:
    name: str
    skill: int = 1
    status: bool = False


@dataclass
class Team:
    player1: str
    player2: str


@dataclass
class Game:
    court: int
    team1: Team
    team2: Team


@dataclass
class CourtList:
    total: int = int(getenv("COURTS"))

    def __post_init__(self) -> None:
        self.courts = {i + 1: True for i in range(self.total)}

    def get_court_status(self, court_number: int) -> bool:
        return self.courts[court_number]

    def toggle_court_status(self, court_number: int) -> None:
        new_status = not self.courts[court_number]
        self.courts[court_number] = new_status
        return new_status

    def get_courts(self) -> dict:
        return self.courts

    def separate_courts(self) -> Tuple[dict, dict]:
        active_courts = {k: v for k, v in self.courts.items() if v}
        inactive_courts = {k: v for k, v in self.courts.items() if not v}
        return active_courts, inactive_courts


@dataclass
class PlayerList:
    location: str = getenv("DATABASE")
    guests: int = 0

    def __post_init__(self) -> None:
        with open("data/" + self.location, newline="") as file:
            pointer = reader(file)
            next(pointer, None)
            players = {
                id: Player(row[0], int(row[1])) for id, row in enumerate(pointer)
            }
        self.guest_id_start = len(players) + 1
        self.players = players

    def increment_guests(self):
        self.guests = self.guests + 1
        return self.guests

    def decrement_guests(self):
        if self.guests == 0:
            return 0
        self.guests = self.guests - 1
        return self.guests

    def get_player_status(self, player_number: int) -> bool:
        return self.players[player_number].status

    def toggle_player_status(self, player_number: int) -> Tuple[bool, str]:
        new_status = not self.players[player_number].status
        self.players[player_number].status = new_status
        return new_status, self.players[player_number].name

    def get_players(self) -> dict:
        return self.players

    def get_possible_game_count(self) -> int:
        total_players = len(self.get_potential_players())
        possible_games = floor(total_players / PLAYER_PER_COURT)
        return possible_games

    def get_potential_players(self) -> dict:
        players = {k: v for k, v in self.players.items() if v.status}
        guests = {
            self.guest_id_start + k: Player(name=f"Guest {k}")
            for k in range(1, self.guests + 1)
        }
        players.update(guests)
        return players