using System;
using UnityEngine;




public class Player : Character
{
    [SerializeField]
    private Transform _hammerSpawnPoint;
    [SerializeField]
    private GameObject _hammerPrefab;

    [SerializeField]
    private Sprite _regularSprite;
    [SerializeField]
    private Sprite _noHammerSprite;

    public int Lives=3;

    private int _hammerSpeed = 5;

    private int _totalCoins = 0;
    private bool _hasKey = false;

    public int TotalCoins => _totalCoins;

    public static Player Instance { get; private set; }

    private GameObject _hammer;

    private bool _isHoldingHammer = true;
   

    public event EventHandler<TreasureType> OnPlayerTakeItem;

    private void Awake()
    {
        if (Instance != null)
        {
            Destroy(gameObject);
            Debug.Log("There's more than one player instance");
            return;
        }
        PlayerPrefs.SetString("lastExitName", string.Empty);
        Instance = this;
        DontDestroyOnLoad(gameObject);

        
    }

    public void AddCoin()
    {
        _totalCoins++;
        OnPlayerTakeItem?.Invoke(this,TreasureType.Coin);
        print($"player have {_totalCoins} coins");
    }

    public void SetKey()
    {
        OnPlayerTakeItem?.Invoke(this, TreasureType.Key);
        print($"player have key");
        _hasKey = true;
    }

    public void RemoveKey()
    {
        _hasKey = false;
    }

    public bool IsHasKey()
    {
        return _hasKey;
    }

    private void Update()
    {
        if (_hammer == null && !_isHoldingHammer)
        {
            _spriteRenderer.sprite = _regularSprite;
            _isHoldingHammer = true;
        }

        if (Input.GetKeyDown(KeyCode.Space) && !_isFalling)
        {
            if (_hammer == null)
            {
                _animator.SetTrigger("Body_ThrowHammer");
            }
        }
        base.MoveTo(Input.GetAxisRaw("Horizontal"), isAllowVertical? Input.GetAxisRaw("Vertical"):0);
    }

    public void ThrowHammerObject()
    {
        _isHoldingHammer = false;
        _spriteRenderer.sprite = _noHammerSprite;
        _hammer = Instantiate(_hammerPrefab, _hammerSpawnPoint.position, _hammerSpawnPoint.rotation);
        _hammer.transform.localScale = new Vector2(_hammer.transform.localScale.x * (_facingRight ? 1 : -1), _hammer.transform.localScale.y);
        _hammer.GetComponent<Rigidbody2D>().velocity = new Vector2(gameObject.transform.localScale.x * _hammerSpeed, 0);
    }

    protected override void SetWalkingAnimation(bool isWalking)
    {
        _bonesBack.SetActive(false);
        _bonesSide.SetActive(true);
        _animator.SetBool("Legs_Walk",isWalking);
        _animator.SetBool("Body_Walk", isWalking);
    }

    protected override void SetClimbingAnimation(bool isClimbing)
    {
        if (isClimbing)
        {
            _bonesBack.SetActive(true);
            _bonesSide.SetActive(false);
        }
        _animator.SetBool("Climb", isClimbing);
    }

    protected override void OnDeath()
    {
        Lives--;
        Spawn(); 
        
        if (Lives==0)
        {
            print("game over");
        }
        
        
    }
}