import os

def argsProcessor(): 
    import argparse
    parser = argparse.ArgumentParser()
    parser.add_argument("-d", "--dataPath", help="path to main data folder")
    parser.add_argument("-o", "--outputPath", help="output data")
    return parser.parse_args()

if __name__ == '__main__':
    args = argsProcessor()
    dir = args.dataPath
    output = args.outputPath
    if (not os.path.isdir(output)):
        os.mkdir(output)

    for folder in os.listdir(dir):
        if os.path.isdir(dir + "/" + folder):
            dir_temp = dir+ "/" + folder + "/"
            for file in os.listdir(dir_temp):
                from subprocess import call

                if (file.endswith(".avi")):
                    os.mkdir(output + "/" + folder)
                    if (os.path.isdir(output + "/" + folder + "/" + file)):
                        print("Folder already exist")
                    else:
                        call("cd " + output + "/" + folder + " && mkdir " + file, shell=True)
                        location = dir + "/" + folder + "/" + file
                        command = "ffmpeg -i " + location + " " + output + "/" + folder + "/" + file + "/%3d.jpg"
                        # print(command)
                        call(command, shell=True)
                        print(file + "done!")