using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.UI;

public class Player : Entity
{
    [Header("Invulnerability")]
    [SerializeField] private float invulnerabilityLength;
    private float currentInvulnerabilityTime;
    [SerializeField] private float invincibilityBlinkLength;
    private float currentInvincibilityBlink;
    [SerializeField] private SpriteRenderer[] playerSprites;
    [SerializeField] private Color invincibilityColor;
    [Header("UI")]
    [SerializeField] private Image[] healthBar;
    [SerializeField] private Sprite heart;
    [SerializeField] private Sprite depletedHeart;

    [Header("SFX")]
    [SerializeField] private AudioClip hurtSound;
    [SerializeField] private float hurtVolume = 1f;
    [SerializeField] private AudioClip gameOverSound;
    [SerializeField] private float gameOverVolume = 1f;
    [SerializeField] private AudioClip healSound;
    [SerializeField] private float healVolume = 1f;
    private void Update()
    {
        if (!isStalled)
        {
            if (Input.GetMouseButtonDown(0))
            {
                abilities[0].TryAbility();
            }
            if (Input.GetMouseButtonDown(1)) //this way kinda sucks but i'll fix it when i feel like it
            {
                abilities[1].TryAbility();
            }
        }

        if (currentInvulnerabilityTime > 0)
        {
            currentInvulnerabilityTime -= Time.deltaTime;
            if (currentInvincibilityBlink > 0)
            {
                currentInvincibilityBlink -= Time.deltaTime;
                foreach (SpriteRenderer sprite in playerSprites)
                {
                    sprite.color = Color.Lerp(invincibilityColor, Color.white, 1f - currentInvincibilityBlink);
                }
            }
            else if (currentInvincibilityBlink <= 0)
            {
                currentInvincibilityBlink = invincibilityBlinkLength;
            }
            if (currentInvulnerabilityTime <= 0)
            {
                foreach (SpriteRenderer sprite in playerSprites)
                {
                    sprite.color = Color.white;
                }
                invulnerable = false;
            }
        }
    }

    public override void Heal(int healing)
    {
        base.Heal(healing);
        UpdateLivesUI();
        WaveManager.instance.audioSource.PlayOneShot(healSound, healVolume);
    }

    public override void TakeDamage(int damage)
    {
        base.TakeDamage(damage);
        if (!invulnerable)
        {
            WaveManager.instance.audioSource.PlayOneShot(hurtSound, hurtVolume);
            currentInvulnerabilityTime = invulnerabilityLength;
            invulnerable = true;
        }
        UpdateLivesUI();
        GameManager.instance.livesLost++;
    }

    protected override void OnDeath()
    {
        GameManager.instance.LoseGame();
        WaveManager.instance.audioSource.PlayOneShot(gameOverSound, gameOverVolume);
    }
    private void UpdateLivesUI()
    {
        for (int i = 0; i < healthBar.Length; i++)
        {
            if (i < health)
            {
                healthBar[i].sprite = heart;
            }
            else
            {
                healthBar[i].sprite = depletedHeart;
            }
        }
    }
}