import subprocess
from pathlib import Path

print("""
                        Welcome to the FFMPEG H.265 Video Compressor
                            This program will use 5mb bitrate
                    This program will compress all videos in specified path
                           This program will use GPU acceleration

                    """)


folderpath = input('Enter Folder path you want to compress: ')
p = Path(folderpath)
file_names = list(p.iterdir())

# Now we iterate through the file_names list we created
print('Getting files located in', folderpath, '\n')

print('===============================')
file_names_str = []
for i in range(len(file_names)):
    print(file_names[i].name)
    file_names_str.append(file_names[i].name)
print('===============================\n')

continue_check = input('Type Y to continue:')

if continue_check.lower() in ('y', 'yes'):
    print('success')
    outputfold = p / 'output'
    outputfold.mkdir(parents=True)

    # Output File Paths+Names
    file_output_names = []
    for i in range(len(file_names)):
        path_temp = str(folderpath) + '\\output' + '\\' + file_names_str[i]
        file_output_names.append(path_temp)
    for i in range(len(file_names)):
        temp_name = file_names[i]
        temp_output_name = file_output_names[i]
        subprocess.run(["ffmpeg.exe", "-hwaccel", "cuvid", "-i", str(temp_name), "-pix_fmt", "p010le", "-c:v", "hevc_nvenc", "-preset", "slow", "-rc", "vbr_hq", "-b:v", "5M", "-maxrate:v", "10M", "-c:a", "aac", "-b:a", "240k", str(temp_output_name)], shell=True, check=True)
else:
    print('Thank you for using this video converter')

input('Press any key to exit')