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 attackSword;
    private bool attackFist;
    
    private float timerRegen = 0f;
    private float timerTick = 0f;
    private float waitRegen = 8.0f;
    private float waitTick = 1.0f;

    private bool startRegen = false;

    private bool canWalk = true;

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


    public void TakeDamage(float damage)
    {
        currentHealth = currentHealth - damage;
        healthBar.SetHealth(currentHealth);
        var em = dmgParticleSystem.emission;
        em.enabled = true;
        StartCoroutine(Timer());
        timerRegen = 0.0f;
        startRegen = false;
        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 (attackSword)
        {
            myAnimator.SetTrigger("attack");
        }
        if (attackFist)
        {
            myAnimator.SetTrigger("attackFist");
        }
    }

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

    private void ResetValues()
    {
        attackSword = false;
        attackFist = 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);
            }
            
            timerRegen += Time.deltaTime;
            if(timerRegen >= waitRegen)
            {
                startRegen = true;
            }

            if (startRegen == true)
            {
                timerTick += Time.deltaTime;
                if(timerTick >= waitTick)
                {
                    if(currentHealth < 10)
                    {
                        currentHealth = currentHealth + 1;
                        healthBar.SetHealth(currentHealth);
                        timerTick = 0f;
                    }
                }
            }
            PlayerPrefs.SetFloat("health", currentHealth);
        
        //}

        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();
    }

}