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

public class PlayerMovement : MonoBehaviour
{
    public float speed, jumpForce;
    Rigidbody2D rb;
    public Transform feet;
    public float range;
    public LayerMask whatIsGround;
    public float coyoteTime;
    Vector2 length;
    private float lastTimeTouchingGround;
    private float lastJumpTime;
    public ParticleSystem jumpParticles;
    [HideInInspector]
    public bool canMove = true;

    // Start is called before the first frame update
    void Start()
    {
        length = transform.GetChild(0).GetComponent<SpriteRenderer>().bounds.size / 2;
        rb = GetComponent<Rigidbody2D>();
    }

    // Update is called once per frame
    void Update()
    {
        if(Physics2D.OverlapCircle(feet.position, range, whatIsGround)) {
            lastTimeTouchingGround = Time.time;
        }
        if (Input.GetKeyDown(KeyCode.Space) && Time.time-coyoteTime <= lastTimeTouchingGround & Time.time>=lastJumpTime+coyoteTime)
        {
            AudioManager.instance.Play("Jump");
            lastJumpTime = Time.time;
            rb.velocity = new Vector2(rb.velocity.x, jumpForce);
        }
        if (Input.GetButton("Horizontal") && canMove)
        {
            transform.rotation = Quaternion.Euler(0, Input.GetAxisRaw("Horizontal") == 1 ? 0 : 180, 0);
        }
        if (!Physics2D.Raycast(transform.position, Input.GetAxisRaw("Horizontal") * Vector2.right, length.x + 0.01f, whatIsGround)) {
            rb.velocity = new Vector2(Input.GetAxisRaw("Horizontal") * speed, rb.velocity.y);
        }

    }

    void OnCollisionEnter2D(Collision2D col){
        if(col.gameObject.tag == "MovingPlatform"){
            transform.parent = col.transform;
        }
        if(col.gameObject.tag == "InsideTileKill"){
            GetComponent<PlayerStats>().Die();
        }
    }

    void OnCollisionExit2D(Collision2D col){
        if (col.gameObject.tag == "MovingPlatform"){
            transform.parent = null;
        }
    }
}