using System.IO;
using System.Linq;
using UnityEngine;
using static HoldNote;
public enum NoteScore
{
    Perfect,
    Good,
    Okay,
    Miss
}

public class GameManager : MonoBehaviour
{
    public static GameManager Instance { get; private set; }
    public BeatmapManager beatmapManager;  // 负责加载和管理谱面
    public NoteSpawner noteSpawner;       // 音符生成器
    public AudioSource musicSource;       // 音乐播放器
    public int CurrentScore { get; private set; }
    public int MaxCombo { get; private set; }
    public int CurrentCombo { get; private set; }

    // 添加计分方法
    public void AddScore(NoteScore scoreType)
    {
        // 计分逻辑
        switch (scoreType)
        {
            case NoteScore.Perfect:
                CurrentScore += 100;
                Debug.Log("Perfect! +100");
                break;
            case NoteScore.Good:
                CurrentScore += 80;
                Debug.Log("Good! +80");
                break;
            case NoteScore.Okay:
                CurrentScore += 50;
                Debug.Log("Okay +50");
                break;
            case NoteScore.Miss:
                CurrentCombo = 0; // 连击中断
                Debug.Log("Miss! 连击中断");
                return; // 不增加分数
        }

        // 连击处理
        CurrentCombo++;
        if (CurrentCombo > MaxCombo)
            MaxCombo = CurrentCombo;
    }
    private void Awake()
    {
        if (Instance != null && Instance != this)
        {
            Destroy(gameObject);
        }
        else
        {
            Instance = this;
            DontDestroyOnLoad(gameObject);
        }
    }
    void Start()
    {
        //Debug.Log("GameManager Start() 被调用");

        // 检查关键组件是否为空
        if (beatmapManager == null) Debug.LogError("beatmapManager 未赋值！");
        if (noteSpawner == null) Debug.LogError("noteSpawner 未赋值！");
        if (musicSource == null) Debug.LogError("musicSource 未赋值！");

        // 在游戏开始时加载并初始化谱面
        string beatmapFilePath = Path.Combine(Application.streamingAssetsPath, "Emilia_demo.json");

        if (!File.Exists(beatmapFilePath))
        {
            //Debug.LogError($"谱面文件不存在: {beatmapFilePath}");
            return;
        }

        string json = File.ReadAllText(beatmapFilePath);
        Beatmap beatmap = JsonUtility.FromJson<Beatmap>(json); // 解析 JSON 为 Beatmap 对象

        if (beatmap == null)
        {
            //Debug.LogError("谱面解析失败，JSON 格式可能错误！");
            return;
        }

        beatmapManager.LoadBeatmap(beatmap); // 传递给 BeatmapManager
        noteSpawner.LoadBeatmap(beatmap); // 传递给 NoteSpawner


        // 播放背景音乐
        if (!string.IsNullOrEmpty(beatmap.musicFile))
        {
            string musicPath = Path.Combine("song_songIndex/1002001_emilia", Path.GetFileNameWithoutExtension(beatmap.musicFile));
            AudioClip musicClip = Resources.Load<AudioClip>(musicPath);

            if (musicClip == null)
            {
                //Debug.LogError($"音乐文件加载失败，尝试路径: {musicPath}");
                // 列出Resources文件夹下所有音频文件用于调试
                var allAudio = Resources.LoadAll<AudioClip>("");
                //Debug.Log("可用音频文件：" + string.Join(", ", allAudio.Select(a => a.name)));
            }
            else
            {
                musicSource.clip = musicClip;
                musicSource.Play();
            }
        }
        else
        {
            //Debug.LogError("谱面中 musicFile 为空！");
        }
    }
}