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

public class PlayerController : MonoBehaviour
{

    Animator animator;
    Rigidbody2D rb2d;
    SpriteRenderer spriteRenderer;

    bool isGrounded;
    bool isIdle;
    bool isDuck;
    bool isRunningLeft;
    bool isRunningRight;

    [SerializeField]
    Transform groundCheck;

    [SerializeField]
    private float runspeed = 1.5f;

    [SerializeField]
    private float jumpspeed = 4f;

    // Start is called before the first frame update
    void Start()
    {
        animator = GetComponent<Animator>();
        rb2d = GetComponent<Rigidbody2D>();
        spriteRenderer = GetComponent<SpriteRenderer>();

    }

    // Update is called once per frame

    void Update()
    {
        if(Physics2D.Linecast(transform.position, groundCheck.position, 1 << LayerMask.NameToLayer("Ground")) ||
          (Physics2D.Linecast(transform.position, groundCheckL.position, 1 << LayerMask.NameToLayer("Ground")) ||
          (Physics2D.Linecast(transform.position, groundCheckR.position, 1 << LayerMask.NameToLayer("Ground")))))
        {
            isGrounded = true;
        }
        else
        {
            isGrounded = false;
            animator.Play("Player_jump");
        }
        print("isGrounded:" + isGrounded);
        if (Input.GetKey("right") && !isDuck)
        {
            rb2d.velocity = new Vector2(runspeed, rb2d.velocity.y);

            if (isGrounded)
                animator.Play("Player_walk");

            spriteRenderer.flipX = false;
        }

        else if (Input.GetKey("left") && !isDuck)
        {
            rb2d.velocity = new Vector2(-runspeed, rb2d.velocity.y);

            if (isGrounded)
                animator.Play("Player_walk");

            spriteRenderer.flipX = true;
        }

        else
        {
            rb2d.velocity = new Vector2(0, rb2d.velocity.y);
            if (isGrounded && !isDuck && !isRunningLeft && !isRunningRight)
            {
                animator.Play("Player_idle");
            }

        }

        if (Input.GetKey("down") && isGrounded && !isRunningLeft && !isRunningRight)
        {
            isDuck = true;
            animator.Play("Player_duck");
        }
        //else if (Input.GetKeyUp("down") && isGrounded && !isRunningLeft && !isRunningRight)
        //{
            //isDuck = false;
            //animator.Play("Player_idle");
        //}
        else
        {
            isDuck = false;
        }


        if (Input.GetKeyDown("space") && isGrounded )
        {
            rb2d.velocity = new Vector2(rb2d.velocity.x, jumpspeed);
            animator.Play("Player_jump");
        }

    }

}