using System.IO;
using UnityEngine;
using UnityEngine.UI;


public class BeatmapManager : MonoBehaviour

{
    public Beatmap beatmap;  // 当前谱面数据

    // 音符生成器引用
    public NoteSpawner noteSpawner;

    

    // 保存谱面数据到 JSON 文件
    //public void SaveBeatmap(string fileName)
    //{
    //    string json = JsonUtility.ToJson(beatmap, true); // 格式化 JSON 输出
    //    File.WriteAllText(Application.dataPath + "/" + fileName, json);
    //    Debug.Log("谱面已保存：" + Application.dataPath + "/" + fileName);
    //}

    // 从 JSON 文件加载谱面数据
    public void LoadBeatmap(string fileName)
    {
        string path = Application.streamingAssetsPath + "/" + fileName;
        if (File.Exists(path))
        {
            string json = File.ReadAllText(path);
            beatmap = JsonUtility.FromJson<Beatmap>(json);
            Debug.Log("谱面已加载：" + json);

            // 在加载后立即调用音符生成
            noteSpawner.LoadBeatmap(beatmap);
            
        }
        else
        {
            Debug.LogError("文件不存在：" + path);
        }
    }
    public void LoadBeatmap(Beatmap loadedBeatmap)
    {
        beatmap = loadedBeatmap;
        Debug.Log("谱面已加载：" + beatmap.title);

        // 在加载后立即调用音符生成
        noteSpawner.LoadBeatmap(beatmap);
    }

    //public void LoadBeatmapFromFile(string fileName)
    //{
    //    string path = Application.persistentDataPath + "/" + fileName;
    //    if (File.Exists(path))
    //    {
    //        string json = File.ReadAllText(path);
    //        Beatmap beatmap = JsonUtility.FromJson<Beatmap>(json);
    //        beatmapManager.LoadBeatmap(beatmap);  // 使用 LoadBeatmap 方法传递 Beatmap 对象
    //    }
    //    else
    //    {
    //        Debug.LogError("文件不存在：" + path);
    //    }
    //}

    // 创建一个示例谱面并保存
    //public void CreateSampleBeatmap()
    //{
    //    beatmap = new Beatmap
    //    {
    //        title = "Moonlight Sonata",
    //        composer = "Ludwig van Beethoven",
    //        illustrator = "John Doe",
    //        charter = "Jane Smith",
    //        beatmapId = "ML-001",
    //        duration = 120.5f,
    //        bpm = 128f,
    //        difficulty = 5,
    //        difficultyName = "Hard",
    //        createdDate = System.DateTime.Now.ToString("yyyy-MM-dd"),
    //        musicFile = "moonlight_sonata.mp3",
    //        backgroundFile = "moonlight_art.png",

    //        tracks = new TrackData[]
    //        {
    //            new TrackData { color = "red" },
    //            new TrackData { color = "green" },
    //            new TrackData { color = "yellow" },
    //            new TrackData { color = "purple" },
    //            new TrackData { color = "blue" }
    //        },

    //        notes = new NoteData[]
    //        {
    //            new NoteData { trackIndex = 0, time = 1.0f, color = "red", type = "tap", length = 0.0f },
    //            new NoteData { trackIndex = 4, time = 2.0f, color = "blue", type = "tap", length = 0.0f },
    //            new NoteData { trackIndex = 1, time = 3.5f, color = "green", type = "tap", length = 0.0f },
    //            new NoteData { trackIndex = 2, time = 3.5f, color = "yellow", type = "tap", length = 0.0f },
    //            new NoteData { trackIndex = 2, time = 3.5f, color = "yellow", type = "tap", length = 0.0f },
    //            new NoteData { trackIndex = 3, time = 3.5f, color = "purple", type = "tap", length = 0.0f },
    //        }
    //    };

    //    SaveBeatmap("test_beatmap.json");
    //}

    // 读取并加载当前谱面到音符生成器
    public void LoadBeatmapFromFile()
    {
        string path = Application.streamingAssetsPath + "/Emilia_demo.json";
        if (File.Exists(path))
        {
            string json = File.ReadAllText(path);
            beatmap = JsonUtility.FromJson<Beatmap>(json);
            noteSpawner.LoadBeatmap(beatmap);
        }
        else
        {
            Debug.LogError("谱面文件未找到！");
        }
    }

    // 在 Start() 方法中初始化
    void Start()
    {
        // 这里可以选择在启动时创建一个示例谱面并加载
        //CreateSampleBeatmap();  // 创建并保存一个示例谱面
        LoadBeatmap("Emilia_demo.json");  // 加载并实例化音符
    }
}