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

public class PlayerController : MonoBehaviour
{
    public float movementSpeed = 5f;
    public Rigidbody2D rb;
    Vector2 movement;
    private Animator animator;
    private bool FacingRight = true;


    private string currentAnimaton;
    const string PLAYER_IDLE = "Player_Idle";
    const string PLAYER_WALK = "Player_Walk";


    void Start()
    {
        animator = GetComponent<Animator>();
  
    }

    void Update()
    {
        movement.x = Input.GetAxisRaw("Horizontal");
        movement.y = Input.GetAxisRaw("Vertical");
    }

    void FixedUpdate()
    {
        rb.MovePosition(rb.position + movement * movementSpeed * Time.fixedDeltaTime);
        if (movement.x < 0 && FacingRight)
        {
            Flip();
        }
        else if (movement.x > 0 && !FacingRight)
        {
            Flip();
        }

        if ((movement.x != 0) || (movement.y != 0))
        {
            ChangeAnimationState(PLAYER_WALK);
        }
        else
        {
            ChangeAnimationState(PLAYER_IDLE);
        }
    }

    void Flip()
    {
        FacingRight = !FacingRight;

        transform.Rotate(0f, 180f, 0f);
    }

    void OnBecameInvisible()
    {
        Debug.Log("You died");
        SceneManager.LoadScene("GameOver");
    }


    void ChangeAnimationState(string newAnimation)
    {
        if (currentAnimaton == newAnimation) return;

        animator.Play(newAnimation);
        currentAnimaton = newAnimation;
    }

}