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

public class PlayerBehavior : MonoBehaviour
{

    // Player Movement Variable
    public float MoveSpeed;
    public float JumpHeight;
    private bool doubleJump;

    // Player Grounded Variables
    public Transform groundCheck;
    public float groundCheckRadius;
    public LayerMask whatIsGround;
    public bool grounded;

    //Non-Stick Player
    private float moveVelocity;

    // public Animator animator;

    // Use this for initialization
    void Start()
    {
        // Animation Reset
        // animator.SetBool("IsWalking", false);
        // animator.SetBool("IsJumping", false);
    }


    void FixedUpdate()
    {
        grounded = Physics2D.OverlapCircle(groundCheck.position, groundCheckRadius, whatIsGround);
    }


    // Update is called once per frame
    void Update()
    {
        // This code makes the character jump
        if (Input.GetKeyDown(KeyCode.Space) && grounded)
        {
            Jump();
        }

        // Double Jump code
        if (grounded)
        {
            doubleJump = false;
            // animator.SetBool("IsJumping", false);
        }

        if (Input.GetKeyDown(KeyCode.Space) && !doubleJump && !grounded)
        {
            Jump();
            doubleJump = true;
        }

        // This code makes the character move from side to side using the A & D keys
        if (Input.GetKey(KeyCode.D))
        {
            //  GetComponent<Rigidbody2D>().velocity = new Vector2(MoveSpeed, GetComponent<Rigidbody2D>().velocity.y);
            moveVelocity = MoveSpeed;
            // animator.SetBool("IsWalking", true);
        }

        else if (Input.GetKeyUp(KeyCode.D))
        {
            // animator.SetBool("IsWalking", false);
        }


        if (Input.GetKey(KeyCode.A))
        {
            //  GetComponent<Rigidbody2D>().velocity = new Vector2(-MoveSpeed, GetComponent<Rigidbody2D>().velocity.y);
            moveVelocity = -MoveSpeed;
            // animator.SetBool("IsWalking", true);
        }

        else if (Input.GetKeyUp(KeyCode.A))
        {
            // animator.SetBool("IsWalking", false);
        }

        GetComponent<Rigidbody2D>().velocity = new Vector2(moveVelocity, GetComponent<Rigidbody2D>().velocity.y);

        // Player flip
        if (GetComponent<Rigidbody2D>().velocity.x > 0)
            transform.localScale = new Vector3(0.2f, 0.25f, 0f);

        else if (GetComponent<Rigidbody2D>().velocity.x < 0)
            transform.localScale = new Vector3(-0.2f, 0.25f, 0f);

        //Non-Stick Player
        moveVelocity = 0f;
    }

    public void Jump()
    {
        GetComponent<Rigidbody2D>().velocity = new Vector2(GetComponent<Rigidbody2D>().velocity.x, JumpHeight);
        // animator.SetBool("IsJumping", true);
    }

    void OnCollisionEnter2D(Collision2D col)
    {
      if (col.collider.tag == "MovingPlatform")
           this.transform.parent = col.transform;
    }
    void OnCollisionExit2D(Collision2D col)
    {
      if (col.collider.tag == "MovingPlatform")
           this.transform.parent = null;
    }



}