package funkin.audio.waveform;

class WaveformDataParser
{
  public static function parseWaveformData(path:String):Null<WaveformData>
  {
    var rawJson:String = openfl.Assets.getText(path).trim();
    return parseWaveformDataString(rawJson, path);
  }

  public static function parseWaveformDataString(contents:String, ?fileName:String):Null<WaveformData>
  {
    var parser = new json2object.JsonParser<WaveformData>();
    parser.ignoreUnknownVariables = false;
    parser.fromJson(contents, fileName);

    if (parser.errors.length > 0)
    {
      printErrors(parser.errors, fileName);
      return null;
    }
    return parser.value;
  }

  static function printErrors(errors:Array<json2object.Error>, id:String = ''):Void
  {
    trace('[WAVEFORM] Failed to parse waveform data: ${id}');

    for (error in errors)
      funkin.data.DataError.printError(error);
  }
}