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

public class BossCore : MonoBehaviour
{
    public GameObject damageEffectPrefab;
    private int hitCount;
    private Animator anim;
    private BossShotBeam bsb;

    // ★追加（BGMの変更）
    public AudioClip[] bgms;
    public AudioSource audioSource;

    private void Start()
    {
        anim = transform.root.GetComponent<Animator>();

        bsb = GetComponent<BossShotBeam>();

        Invoke("GoToForm1", 3.0f);
    }

    private void OnCollisionEnter(Collision collision)
    {
        if (collision.gameObject.CompareTag("Drone"))
        {
            hitCount += 1;

            Destroy(collision.gameObject);
            GameObject effect = Instantiate(damageEffectPrefab, collision.transform.position, Quaternion.identity);
            Destroy(effect, 0.5f);

            if (hitCount == 2)
            {
                anim.SetTrigger("Back_Idle");

                Invoke("GoToForm2", 3.0f);
            }
            else if (hitCount == 5)
            {
                anim.SetTrigger("Back_Idle");

                Invoke("GoToForm3", 3.0f);
            }
        }
    }

    void GoToForm1()
    {
        anim.SetTrigger("Form_1");

        // ★追加（BGMの変更）
        audioSource.clip = bgms[0];
        audioSource.Play();
    }

    void GoToForm2()
    {
        anim.SetTrigger("Form_2");
        bsb.shotInterval = 50;

        // ★追加（BGMの変更）
        audioSource.clip = bgms[1];
        audioSource.Play();
    }

    void GoToForm3()
    {
        anim.SetTrigger("Form_3");
        bsb.shotInterval = 30;

        // ★追加（BGMの変更）
        audioSource.clip = bgms[2];
        audioSource.Play();
    }
}