#!/usr/bin/env python3
import sys
import subprocess
import json

def is_number(value):
    numeric_chars = [*map(str, range(10)), '-']
    numeric_charcodes = list(map(ord, numeric_chars))

    return all(ord(char) in numeric_charcodes for char in value)

def parse_encoder_params(encoder_params):
    for param in encoder_params.split(' / '):
        if '=' in param:
            key, value = param.split('=', 1)

            if is_number(value):
                value = int(value)
            elif is_number(value.replace('.', '', 1)):
                value = float(value)
        else:
            key = param
            value = True

        yield key, value

def run_mediainfo(file):
    cmd = [
        'mediainfo',
        '--Inform=Video;%Encoded_Library%\\n%Encoded_Library_Settings%',
        file
    ]
    process = subprocess.run(cmd, stdout=subprocess.PIPE)
    output = process.stdout.decode('utf-8').split('\n')

    encoder = output[0]
    params = dict(parse_encoder_params(output[1]))

    return {
        'file': file,
        'encoder': encoder,
        'params': params
    }

info = list(map(run_mediainfo, sys.argv[1:]))
print(json.dumps(info, indent=2, sort_keys=True))