using System;
using UnityEngine;

public enum RhythmNoteType
{
    Paw,
    Fish,
    Music
}

[RequireComponent(typeof(RectTransform))]
public class RhythmNote : MonoBehaviour
{
    [Header("Note")]
    [SerializeField] private RhythmNoteType noteType = RhythmNoteType.Paw;

    [Header("Runtime")]
    [SerializeField] private float moveSpeed = 360f;
    [SerializeField] private float hitZoneLocalX;
    [SerializeField] private float autoMissDistance = 90f;

    private RectTransform rectTransform;
    private bool initialized;
    private bool judged;

    public RhythmNoteType NoteType => noteType;
    public bool IsJudged => judged;
    public float HitZoneLocalX => hitZoneLocalX;
    public RectTransform RectTransform => rectTransform;

    public event Action<RhythmNote> PassedHitZone;

    private void Awake()
    {
        rectTransform = GetComponent<RectTransform>();
    }

    private void Update()
    {
        if (!initialized || judged)
            return;

        MoveNote();
        CheckAutoMiss();
    }

    public void Initialize(float speed, float targetHitZoneLocalX, float missDistance)
    {
        if (rectTransform == null)
            rectTransform = GetComponent<RectTransform>();

        moveSpeed = speed;
        hitZoneLocalX = targetHitZoneLocalX;
        autoMissDistance = Mathf.Max(0f, missDistance);

        judged = false;
        initialized = true;
        gameObject.SetActive(true);
    }

    private void MoveNote()
    {
        Vector2 position = rectTransform.anchoredPosition;
        position.x += moveSpeed * Time.deltaTime;
        rectTransform.anchoredPosition = position;
    }

    private void CheckAutoMiss()
    {
        if (rectTransform.anchoredPosition.x <= hitZoneLocalX + autoMissDistance)
            return;

        MarkJudged();
        PassedHitZone?.Invoke(this);
    }

    public float GetDistanceToHitZone()
    {
        if (rectTransform == null)
            rectTransform = GetComponent<RectTransform>();

        return Mathf.Abs(rectTransform.anchoredPosition.x - hitZoneLocalX);
    }

    public void MarkJudged()
    {
        judged = true;
        initialized = false;
    }

    public void Remove()
    {
        MarkJudged();
        Destroy(gameObject);
    }
}