using System.Collections;
using UnityEngine;
using UnityEngine.UI;
public class Player : MonoBehaviour{
	//FOR JUMPING https://www.youtube.com/watch?v=QGDeafTx5ug

	public GameObject losePanel;

	public Text healthDisplay;

	public float speed;
	private float input;
	public int health;
	//public float jumpForce;

	private Rigidbody2D rb; //varaible lets use of physics
	Animator anim;
	AudioSource source;

	private bool facingRight = true;

	public float startDashTime;
	private float dashTime;
	public float extraSpeed;
	private bool isDashing;

	//jumping
	/*private bool isGrounded;
		//Used to make circle hit box to check if player is on ground
	public Transform groundCheck;
	public float checkRadius;
	public LayerMask WhatIsGround;

	private int extraJumps;
	public int extraJumpsValue;*/

    void Start () {
		/*extraJumps = extraJumpsValue;*/
		anim = GetComponent<Animator>();
		rb = GetComponent<Rigidbody2D>(); //sets rb to the physics
		healthDisplay.text = health.ToString();
		source = GetComponent<AudioSource>();
    }


    void FixedUpdate () { //When you are working with physics

		/*isGrounded = Physics2D.OverlapCircle(groundCheck.position, checkRadius, WhatIsGround);*/

		input = Input.GetAxisRaw("Horizontal"); //Just GetAxis is smooth, Get axis raw is snappy
		//Makes player move, vector 2 variable
		rb.velocity = new Vector2(input * speed, rb.velocity.y); //input * speed is for x-axis, makes y do 0: rb.velocity.y

		//Calls flip function depending on if character is moving right or left
		if(facingRight == false && input > 0) {
			Flip();
		} else if(facingRight == true && input < 0) {
			Flip();
		}
	}

	private void Update() {

		/*Makes player jump
		if(isGrounded == true) {
			extraJumps = extraJumpsValue;
		}

		if (Input.GetKeyDown(KeyCode.UpArrow) && extraJumps > 0){
			rb.velocity = Vector2.up * jumpForce;
			extraJumps--; //DONT FORGET THIS
		}
		else if (Input.GetKeyDown(KeyCode.UpArrow) && extraJumps == 0 && isGrounded == true) {
			rb.velocity = Vector2.up * jumpForce;
		}*/

		//Choose between running or idle
		if (input !=0) {
			anim.SetBool("isRunning", true);
		}
		else {
			anim.SetBool("isRunning", false);
		}

		if (Input.GetKeyDown(KeyCode.Space) && isDashing == false) {
			speed += extraSpeed;
			isDashing = true;
			dashTime = startDashTime;
		}
		if (dashTime <= 0 && isDashing == true) {
			isDashing = false;
			speed -= extraSpeed;
		}
		else {
			dashTime -= Time.deltaTime;
		}

	}

	void Flip() {

		facingRight = !facingRight; //checks if the are right or left
		Vector3 Scaler = transform.localScale; //What makes them flip
		Scaler.x *= -1;
		transform.localScale = Scaler;
	}
	//Must be public to be accessed in enemy script
	public void TakeDamage(int damageAmount) {
		source.Play();
		health -= damageAmount;
		healthDisplay.text = health.ToString();

		if (health <= 0) {
			//Lose Screen
			losePanel.SetActive(true);
			//Destroy Player
			Destroy(gameObject); //destroy the object this script is on
		}
	}
}