#!/usr/bin/env python3
# -*- coding: utf-8 -*-

import re
import sys
import json

def parseTime(timeFormat):
    timeFormat = timeFormat.replace(",", ".", 1)
    array = timeFormat.split(":")
    retVal = 0
    i = 0
    for j in range(len(array)-1, -1, -1):
        retVal = retVal + float(array[j]) * pow(60, i)
        i += 1
    return retVal

def main():
    with open(sys.argv[1], "r") as srt_file:
        srt_text = srt_file.read()

    srt_lines = re.findall("[0-9]*\n[0-9]{2}:[0-9]{2}:[0-9]{2},[0-9]{3} --> [0-9]{2}:[0-9]{2}:[0-9]{2},[0-9]{3}\n(?s).*?(?=\n{2,}|$)", srt_text)
    bcc_lines = []

    for srt_line in srt_lines:
        bcc_line = {"from": 0, "to": 0, "location": 2, "content": ""}
        temp = srt_line.split('\n', 2)
        bcc_line["content"] = temp[2]
        temp = temp[1].split(' --> ', 1)
        bcc_line["from"] = parseTime(temp[0])
        bcc_line["to"] = parseTime(temp[1])
        bcc_lines.append(bcc_line)

    bcc_text = {
        "font_size": 0.4,
        "font_color": "#FFFFFF",
        "background_alpha": 0.5,
        "background_color": "#9C27B0",
        "Stroke": "none",
        "body": bcc_lines
    }
    bcc_text = json.dumps(bcc_text, ensure_ascii=False)

    if sys.argv[1].count(".srt") == 1:
        bcc_filename = sys.argv[1].replace(".srt", ".bcc", 1)
    else:
        bcc_filename = sys.argv[1] + ".bcc"
    with open(bcc_filename, "w+") as bcc_file:
        bcc_file.write(bcc_text)

if __name__ == "__main__":
    main()