using System.Collections.Generic;
using System.Threading;
using Cysharp.Threading.Tasks;
using Game.Pathfinding;
using UnityEngine;

namespace Game.Player;

public class PlayerManager : ManagerBase, IPlayerManager
{
    private Dictionary<string, IPlayer> _players = new Dictionary<string, IPlayer>();
    private IPlayer _currentPlayer;

    public IPlayer currentPlayer => this._currentPlayer;

    public IPlayer CreatePlayer(string playerName, string assetName)
    {
        var gameObject = Game.resourceManager.LoadGameObjectSync(assetName);
        IPlayer player = new Player();
        player.SetGameObject(gameObject, playerName);
        this._players.Add(playerName, player);
        return player;
    }

    public IPlayer GetPlayer(string playerName)
    {
        return this._players.GetValueOrDefault(playerName);
    }

    public void DeletePlayer(string playerName)
    {
        if (this._players.TryGetValue(playerName, out var player))
        {
            player.Dispose();
        }
    }
}

public interface IPlayerManager
{
    IPlayer currentPlayer { get; }
    // 
    IPlayer CreatePlayer(string playerName, string assetName);

    IPlayer GetPlayer(string playerName);

    void DeletePlayer(string playerName);
}

public interface IPlayer
{
    string playerName { get; }
    GameObject self { get; }
    void SetGameObject(GameObject gameObject, string name);
    UniTask<bool> MoveAsync(List<WayPoint> wayPoint, CancellationToken token);
    void Dispose();
}

internal class Player : IPlayer
{
    private GameObject _self;
    private string _playerName;

    public string playerName => this._playerName;

    public GameObject self => this._self;

    public void SetGameObject(GameObject gameObject, string name)
    {
        this._self = gameObject;
        this._playerName = name;
        var playerInfo = this._self.AddComponent<PlayerInfo>();
        playerInfo.SetPlayer(this);
    }

    public async UniTask<bool> MoveAsync(List<WayPoint> wayPoint, CancellationToken token)
    {
        foreach (var point in wayPoint)
        {
            bool isMoveing = true;
            while (isMoveing)
            {
                await UniTask.Yield(token);
                if (Vector3.Distance(self.transform.position, point.position) <= 0.1f)
                {
                    isMoveing = false;
                    break;
                }

                this._self.transform.Translate(point.position);
            }
        }

        return true;
    }

    public void Dispose()
    {
        GameObject.DestroyImmediate(self);
    }
}