using UnityEngine;
using UnityEngine.SceneManagement;

public class Ball : MonoBehaviour
{
    private InputSystem_Actions isa;
    public float moveSpeed;
    private Rigidbody rb;
    public AudioClip coinSound;
    public float jumpSpeed;
    private bool isJumping = false;
    private int coinCount = 0;
    private Vector3 pos;
    public GameObject[] coinIcons;

    // ★追加
    public GameObject key;

    void Start()
    {
        isa = new InputSystem_Actions();
        isa.Enable();
        rb = GetComponent<Rigidbody>();
    }

    void Update()
    {
        pos = transform.position;

        if (pos.y < -10)
        {
            SceneManager.LoadScene("GameOver");
        }

        Vector2 movement2 = isa.Player.Move.ReadValue<Vector2>();
        Vector3 movement3 = new Vector3(movement2.x, 0, movement2.y);
        rb.AddForce(movement3 * moveSpeed);

        if (isa.Player.Jump.triggered && isJumping == false)
        {
            rb.linearVelocity = Vector3.up * jumpSpeed;
            isJumping = true;
        }
    }

    private void OnTriggerEnter(Collider other)
    {
        if (other.CompareTag("Coin"))
        {
            Destroy(other.gameObject);
            AudioSource.PlayClipAtPoint(coinSound, transform.position);

            coinCount += 1;
            coinIcons[coinCount - 1].SetActive(false);

            // ★追加
            if (coinCount == 1)
            {
                // （ポイント）アクティブ状態にする。
                key.SetActive(true);
            }

            if (coinCount == 3)
            {
                SceneManager.LoadScene("GameClear");
            }
        }
    }

    private void OnCollisionEnter(Collision collision)
    {
        if (collision.gameObject.CompareTag("Floor"))
        {
            isJumping = false;
        }
    }
}