let output = Flow.TempPath + '/' + Flow.NewGuid() + '.mkv';
let handbrake = Flow.GetToolPath('handbrakecli');
let presetFilePath = Variables.presetFilePath;
let presetName = Variables.presetName;

let executeArgs = new ExecuteArgs();

executeArgs.command = handbrake;
executeArgs.argumentList = [
        '--preset-import-file', presetFilePath,
        '-Z', presetName,
        '-i', Variables.file.FullName,
        '-o', output
    ];
executeArgs.workingDirectory = Flow.TempPath + '/';

executeArgs.add_Output((line) => {
    let matches = line.match(/^Encoding: task (?<task>\d) of (?<totalTasks>\d), (?<percentage>\d+\.\d+) % \((?<fps>\d+\.\d+ fps), avg (?<avgfps>\d+\.\d+ fps), ETA (?<eta>\d+h\d+s)\)$/);
    if (matches) {
        Flow.PartPercentageUpdate(matches.groups.percentage);
        Flow.AdditionalInfoRecorder('stage',matches.groups.task + ' of ' +  matches.groups.totalTasks);
        Flow.AdditionalInfoRecorder('fps',matches.groups.fps);
        Flow.AdditionalInfoRecorder('avgfps',matches.groups.avgfps);
        Flow.AdditionalInfoRecorder('eta',matches.groups.eta);
    }
});

let process = Flow.Execute(executeArgs);

if(process.exitCode !== 0){
    Logger.ELog('Failed processing ffmpeg: ' + process.exitCode);
    return -1;
}

if(Flow.FileExists(output) !== true)
{
    Logger.ELog('Output file does not exist from HandBrakeCLI: ' + output);
    return -1;
}

Flow.SetWorkingFile(output);
return 1;