#!/usr/bin/python3
# python main.py D:\Input\Folder D:\Output\Folder
# Flowchart:
#       input:
#               Input Folder - Folder where webM files are stored.
#               Output folder - Folder to export mp4 video files
#       output:
#               Will output MP4 video files to the given directory
import sys
import os
import glob
import ffmpy
# Forgive me for i have sinned
global inputFolder, outputFolder

if len(sys.argv) != 3:
    print("Error too many/not enough arguments!")
    sys.exit()
else:
    for i in range(len(sys.argv)):
        if os.path.exists(sys.argv[i]):
            inputFolder = sys.argv[1]
            outputFolder = sys.argv[2]
        else:
            print("Couldn\'t Find a Directory")
            sys.exit()
inputFolder += "\*.webm"
FilesToConvert = glob.glob(str(inputFolder))

for files in range(len(FilesToConvert)):
    convertedFileName = str(FilesToConvert[files])
    convertedFileName = convertedFileName[:-5] + '.mp4'
    ff = ffmpy.FFmpeg(
        inputs={str(FilesToConvert[files]): None},
        outputs={str(convertedFileName): '-vf "scale=trunc(in_w/2)*2:trunc(in_h/2)*2"'}
    )
    ff.run()
print("finished")