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

public class PlayerMovement : MonoBehaviour
{
    [SerializeField] float runSpeed = 5f;
    [SerializeField] float jumpSpeed = 8f;

    Vector2 moveInput;
    Rigidbody2D myRigidbody;
    Animator myAnimator;
    BoxCollider2D myBoxCollider;
    PolygonCollider2D myPolygonCollider2D;

    bool isAlive = true;

    // Start is called before the first frame update
    void Start()
    {
        myRigidbody = GetComponent<Rigidbody2D>();
        myAnimator = GetComponent<Animator>();
        myBoxCollider = GetComponent<BoxCollider2D>();
        myPolygonCollider2D = GetComponent<PolygonCollider2D>();
    }

    // Update is called once per frame
    void Update()
    {
        if (!isAlive) { return; }
        Run();
        FlipSprite();
        Die();
    }

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

    void OnJump(InputValue value)
    {
        if (!isAlive) { return; }

        if (!myBoxCollider.IsTouchingLayers(LayerMask.GetMask("Ground"))) { return; }

        if (value.isPressed)
        {
            myRigidbody.velocity += new Vector2(0f, jumpSpeed);
        }
    }

    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("isWalking", 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 (myBoxCollider.IsTouchingLayers(LayerMask.GetMask("Enemies")))
        {
            TriggerDeath();
            
        }
        if (myBoxCollider.IsTouchingLayers(LayerMask.GetMask("Water")))
        {    
            TriggerDeath();
            
        }
    }

    private void OnTriggerEnter2D(Collider2D other)
    {
        if (other.gameObject.layer == LayerMask.NameToLayer("Enemies"))
        {
            TriggerDeath();
        }
    }

    void TriggerDeath()
    {
        if (!isAlive) return;

        isAlive = false;

        // Stop all player movement
        myRigidbody.velocity = Vector2.zero;

        // Trigger the death animation
        myAnimator.SetTrigger("isDead");

        // Optionally, add logic for game over or respawning
        Debug.Log("Player has died.");
    }
}