using System.Collections;
using UnityEngine;

public class NoteController : MonoBehaviour
{
    private float speed;
    private bool isMoving = true;
    private bool isInJudgeZone = false; // 判定区域标记
    
    private ParticleSystem hitEffect;
    private Note linkedNote;

    private void Awake()
    {
        
        hitEffect = GetComponentInChildren<ParticleSystem>();
        linkedNote = GetComponent<Note>();
    }

    private void Update()
    {
        if (isMoving)
        {
            transform.Translate(Vector3.down * speed * Time.deltaTime);
        }
    }

    public void SetSpeed(float newSpeed)
    {
        speed = newSpeed;
    }

    public void StopMovement()
    {
        isMoving = false;
    }

    public void PlayHitEffect()
    {
        if (hitEffect != null)
        {
            hitEffect.Play();
        }
    }

    


    public void ResetState()
    {
        speed = 0f;
        isMoving = true;
        isInJudgeZone = false;
        
        if (hitEffect != null)
        {
            hitEffect.Stop();
            hitEffect.Clear();
        }
    }

    // 将 OnTriggerEnter2D 和 OnTriggerExit2D 挂载在 Controller 上

    private void OnTriggerEnter2D(Collider2D collision)
    {
        if (collision.CompareTag("JudgmentLine"))
        {           
            if (linkedNote != null)
            {
                isInJudgeZone = true;
                TrackKeyManager.Instance.RegisterKey(linkedNote.GetTrackIndex(), linkedNote.GetKey());

            }
        }
    }

    private void OnTriggerExit2D(Collider2D collision)
    {
        if (collision.CompareTag("JudgmentLine"))
        {
            if (linkedNote != null)
            {
                isInJudgeZone = false;
                TrackKeyManager.Instance.UnregisterKey(linkedNote.GetTrackIndex(), linkedNote.GetKey());
                linkedNote.SetJudgeZone(isInJudgeZone);
            }
        }
    }

    



    /// <summary>
    /// 供 Note 查询是否处于判定区域
    /// </summary>
    public bool IsInJudgeZone()
    {
        return isInJudgeZone;
    }
}