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

public class  Player : MonoBehaviour
{

    Rigidbody2D rb;
    private Animator myAnimator;
    public float walkSpeed = 4f;
    float speedLimiter = 0.7f;
    float inputHorizontal;
    float inputVertical;
    public GameObject Panel;
    private bool inRange = false;
    public ParticleSystem dmgParticleSystem;

    public FloatValue maxHealth;
    public float currentHealth;
    public HealthBar healthBar;
    private bool attack;


    private bool canWalk = true;

    void Start()
    {
        rb = gameObject.GetComponent<Rigidbody2D>();
        myAnimator = GetComponent<Animator>();
        currentHealth = maxHealth.initialValue;
        healthBar.SetMaxHealth(maxHealth.initialValue);
        walkSpeed = 4f;
    }


    public void TakeDamage(float damage)
    {
        currentHealth = currentHealth - damage;
        healthBar.SetHealth(currentHealth);
        var em = dmgParticleSystem.emission;
        em.enabled = true;
        StartCoroutine(Timer());
        if (currentHealth <= 0)
        {
            Panel.SetActive(true);
            walkSpeed = 0f;

        }
    }

    IEnumerator Timer()
    {

        yield return new WaitForSeconds(0.2f);
        var em = dmgParticleSystem.emission;
        em.enabled = false;
    }


    private void HandleAttacks()
    {
        if (attack)
        {
            myAnimator.SetTrigger("attack");
        }
    }

    private void HandleInput()
    {
        if (Input.GetKeyDown(KeyCode.Space))
        {
            attack = true;
        }
    }

    private void ResetValues()
    {
        attack = false;
    }
    
    void Update()
    {
        //if (canWalk == true)
        //{

            inputHorizontal = Input.GetAxisRaw("Horizontal");
            inputVertical = Input.GetAxisRaw("Vertical");

            myAnimator.SetFloat("moveX", inputHorizontal * walkSpeed);
            myAnimator.SetFloat("moveY", inputVertical * walkSpeed);
            if (inputHorizontal != 0)
            {
                myAnimator.SetFloat("speed", walkSpeed);
            }
            else if (inputVertical != 0)
            {
                myAnimator.SetFloat("speed", walkSpeed);
            }
            else
            {
                myAnimator.SetFloat("speed", 0);
            }

            if (inputHorizontal == 1 || inputHorizontal == -1 || inputVertical == 1 || inputVertical == -1)
            {
                myAnimator.SetFloat("lastMoveX", inputHorizontal);
                myAnimator.SetFloat("lastMoveY", inputVertical);
            }
        //}
        
        HandleInput();
    }

    void FixedUpdate()
    {
        if(canWalk == true)
        {
            if (inputHorizontal != 0 || inputVertical != 0)
            {
                if (inputHorizontal != 0 && inputVertical != 0)
                {
                    inputHorizontal *= speedLimiter;
                    inputVertical *= speedLimiter;
                }
                rb.velocity = new Vector2(inputHorizontal * walkSpeed, inputVertical * walkSpeed);
            }
            else
            {
                rb.velocity = new Vector2(0f, 0f);
            }
        }
        
        HandleAttacks();
        ResetValues();
    }

}