package cc.winboll.studio.midiplayer;

/**
 * @Author ZhanGSKen<zhangsken@qq.com>
 * @Date 2025/06/29 10:12
 * @Describe SoundFontManager
 */
import android.content.Context;
import android.util.Log;
import cc.winboll.studio.libappbase.LogUtils;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

// 简化版：实际需使用SoundFont解析库（如Audiokit、FluidSynth）
public class SoundFontManager {

    public static final String TAG = "SoundFontManager";

	private Context mContext;
    private File mSoundFontFile;

    public SoundFontManager(Context context) {
        mContext = context;
    }

    // 加载SoundFont文件（.sf2格式）
    public boolean loadSoundFont(File file) {
        if (!file.exists() || !file.getName().endsWith(".sf2")) {
            LogUtils.d(TAG, "无效的SoundFont文件");
            return false;
        }
        // 复制到应用私有目录（可选）
        try {
            File dest = new File(mContext.getFilesDir(), "custom_soundfont.sf2");
            FileInputStream fis = new FileInputStream(file);
            FileOutputStream fos = new FileOutputStream(dest);
            byte[] buffer = new byte[1024];
            int len;
            while ((len = fis.read(buffer)) != -1) {
                fos.write(buffer, 0, len);
            }
            fis.close();
            fos.close();
            mSoundFontFile = dest;
            return true;
        } catch (IOException e) {
            LogUtils.d(TAG, "复制SoundFont失败: " + e.getMessage());
            return false;
        }
    }

    // 获取加载的SoundFont路径（供合成器使用）
    public String getSoundFontPath() {
        return mSoundFontFile != null ? mSoundFontFile.getAbsolutePath() : null;
    }
}

