using UnityEngine;
using UnityEngine.UI;

public class DestroyObjest1 : MonoBehaviour
{
    public GameObject effectPrefab;
    public GameObject effectPrefab2;
    public AudioClip sound;

    private int maxHP = 10;
    private int currentHP;
    private int lives = 5;

    // ★５色スライダー
    public Slider hpSlider;
    public Image fillImage;
    public Image backImage;

    // ★５色スライダー
    private Color[] lifeColors =
    {
        Color.red,
        Color.yellow,
        Color.gray,
        Color.blue,
        Color.green
    };

    // ★５色スライダー（上と色を１つずつ「すらす」のがポイント）
    private Color[] backColors =
    {
        Color.white,
        Color.red,
        Color.yellow,
        Color.gray,
        Color.blue
    };

    private void Start()
    {
        currentHP = maxHP;

        // ★５色スライダー
        hpSlider.maxValue = maxHP;
        UpdateSlider();
    }

    // ★５色スライダー
    void UpdateSlider()
    {
        hpSlider.value = currentHP;
        fillImage.color = lifeColors[Mathf.Clamp(lives - 1, 0, lifeColors.Length - 1)];
        backImage.color = backColors[Mathf.Clamp(lives - 1, 0, lifeColors.Length - 1)];
    }

    void LoseLife()
    {
        if (lives > 1)
        {
            lives -= 1;
            currentHP = maxHP;
        }
        else
        {
            currentHP = 0;
            Destroy(gameObject);

            GameObject effect2 = Instantiate(effectPrefab2, transform.position, Quaternion.identity);
            Destroy(effect2, 1.0f);
            AudioSource.PlayClipAtPoint(sound, transform.position);
        }
    }

    private void OnTriggerEnter(Collider other)
    {
        if (other.CompareTag("Beam"))
        {
            GameObject effect = Instantiate(effectPrefab, other.transform.position, Quaternion.identity);
            Destroy(effect, 0.5f);

            currentHP -= 1;

            if (currentHP <= 0)
            {
                LoseLife();
            }

            // ★５色スライダー
            UpdateSlider();
        }
    }
}