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

public class PlayerHP : MonoBehaviour
{
    private Animator animator;
    public AudioClip sound;

    // ★追加（耐久力）
    private int maxHP = 5; // HP数は自由
    private int HP;
    public GameObject[] hpIcons;

    void Start()
    {
        animator = GetComponent<Animator>();

        // ★追加（耐久力）
        HP = maxHP;
    }

    // ★追加（耐久力）
    private void Update()
    {
        for (int i = 0; i < hpIcons.Length; i++)
        {
            if (i < HP)
            {
                hpIcons[i].SetActive(true);
            }
            else
            {
                hpIcons[i].SetActive(false);
            }
        }
    }

    private void OnCollisionEnter2D(Collision2D collision)
    {
        if (collision.gameObject.CompareTag("Enemy") || collision.gameObject.CompareTag("Burning"))
        {
            Damage();
        }
        else if (collision.gameObject.CompareTag("FireBall"))
        {
            Destroy(collision.gameObject);
            Damage();
        }
    }

    void Damage()
    {
        animator.SetTrigger("Damage");

        AudioSource.PlayClipAtPoint(sound, transform.position);

        // ★追加（耐久力）
        HP -= 1;

        // ★改良（耐久力）
        if (HP < 1)
        {
            Invoke("Restart", 0.5f);
        }
    }

    void Restart()
    {
        SceneManager.LoadScene("Main");
    }
}