using System;
using UnityEngine;

public class TurnManager : MonoBehaviour
{//todo: добавить отслеживание по таймеру
    [Header("Players")]
    [SerializeField] private Player player1;
    [SerializeField] private Player player2;
    [SerializeField] private Bot bot;

    [Header("Settings")]
    [SerializeField] private GameMode gameMode;

    private IGamePlayer currentPlayer;
    private bool isGameOver = false;

    public void StartGame(GameMode mode)
    {
        gameMode = mode;
        isGameOver = false;
        SetupPlayers();
        StartTurn(currentPlayer);
    }

    private void SetupPlayers()
    {
        // Всегда начинаем с первого игрока
        currentPlayer = player1;
    }

    private void StartTurn(IGamePlayer player)
    {
        if (isGameOver) return;

        // Отписываемся, чтобы избежать дублирования подписок
        player.OnChipDropped -= OnTurnCompleted;
        player.OnChipDropped += OnTurnCompleted;
        player.PrepareChip();
        ControlsPerformer.Instance.SetControlable(player);
        currentPlayer = player;
    }

    private void OnTurnCompleted(int column, int row)
    {
        // Отписываемся от события текущего игрока
        currentPlayer.OnChipDropped -= OnTurnCompleted;

        if (CheckGameOver(column, row))
        {
            OnGameOver();
            return;
        }

        NextTurn();
    }

    private void NextTurn()
    {
        // Отключаем текущего игрока
        currentPlayer.Sleep();

        // Определяем следующего игрока в зависимости от режима
        IGamePlayer nextPlayer;
        if (gameMode == GameMode.pve)
        {
            nextPlayer = (currentPlayer == player1) ? (IGamePlayer)bot : player1;
        }
        else // pvp
        {
            nextPlayer = (currentPlayer == player1) ? (IGamePlayer)player2 : player1;
        }

        currentPlayer = nextPlayer;
        StartTurn(currentPlayer);
    }

    private bool CheckGameOver(int column, int row)
    {
        if(currentPlayer is BasePlayer player)
        {
            var checkResult = FieldChecker.Check(player.team, row, column);
            return checkResult.End;
        }
        else
        {
            throw new Exception($"Не удалось привести {currentPlayer}");
        }
    }

    private void OnGameOver()
    {
        isGameOver = true;
        currentPlayer.Sleep();

        ControlsPerformer.Instance.SetControlable(null);
        Team lastPlayerTeam = ((BasePlayer)currentPlayer).team;
        var result = FieldChecker.lastResult;
        
        GameManager.Instance.endGameHandler.HandleEndGame(lastPlayerTeam, gameMode, result);
    }
}