using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.InputSystem;

public class PlayerMovement : MonoBehaviour
{

    [SerializeField] float runSpeed = 10f;
    [SerializeField] float jumpSpeed = 5f;
    [SerializeField] GameObject swing;
    [SerializeField] Transform sword;
    [SerializeField] private float animationDuration = 1f;

    private bool isAttacking = false;

    

    Vector2 moveInput;
    Rigidbody2D myRigidbody;
    CapsuleCollider2D myBodyCollider;
    bool isAlive = true;
   
    Animator myAnimator;
    
    void Start()
    {
        myRigidbody = GetComponent<Rigidbody2D>();
        myAnimator = GetComponent<Animator>();
        myBodyCollider = GetComponent<CapsuleCollider2D>();

        
    }
    void Update()
    {
        if (Input.GetMouseButtonDown(0))
        {
            StartCoroutine(Attack());
        }
        if (!isAlive) { return; }
        Run();
        Jump();
        FlipSprite();
        Die();
    }

    private IEnumerator Attack()
    {
        isAttacking = true;
        myAnimator.SetBool("IsAttacking", true);

        // Wait for the animation to finish
        yield return new WaitForSeconds(animationDuration);

        myAnimator.SetBool("IsAttacking", false);
        isAttacking = false;
    }

    void OnFire(InputValue value)
    {
        if (!isAlive) { return; }
        Instantiate(swing, sword.position, transform.rotation);
    }



    void OnMove(InputValue value)
    {
        if (!isAlive) { return; }
        moveInput = value.Get<Vector2>();
        
    }

    void OnJump(InputValue value)
    {
        if (!isAlive) { return; }
        if (!myBodyCollider.IsTouchingLayers(LayerMask.GetMask("Ground"))) { return;}
        
        if(value.isPressed)
        {
            myRigidbody.velocity += new Vector2 (0f, jumpSpeed);
        }
    }


    void Jump()
    {
        bool playerHasVerticalSpeed = Mathf.Abs(myRigidbody.velocity.y) > Mathf.Epsilon;
        myAnimator.SetBool("IsJumping", playerHasVerticalSpeed);
    }

    
   


    void Run()
    {
        Vector2 playerVelocity = new Vector2 (moveInput.x * runSpeed, myRigidbody.velocity.y);
        myRigidbody.velocity = playerVelocity;

        bool playerHasHorizontalSpeed = Mathf.Abs(myRigidbody.velocity.x) > Mathf.Epsilon;
        myAnimator.SetBool("IsRunning", playerHasHorizontalSpeed);
    }

    void FlipSprite()
    {
        bool playerHasHorizontalSpeed = Mathf.Abs(myRigidbody.velocity.x) > Mathf.Epsilon;

        if (playerHasHorizontalSpeed)
        {
            transform.localScale = new Vector2 (Mathf.Sign(myRigidbody.velocity.x), 1f);

        }

    }

    void Die()
    {
        if (myBodyCollider.IsTouchingLayers(LayerMask.GetMask("enemies" , "hazards")))
        {
            isAlive = false;
            myAnimator.SetTrigger("Dying");
            FindObjectOfType<GameSession>().ProcessPlayerDeath();
        }
    }



}