import argparse
import os
from pathlib import Path
from typing import List, Callable
from .arguments import Arguments

from .. exceptions import InvalidVideoIdException, NoContentsException
from .. processors.tsv_archiver import TSVArchiver
from .. processors.html_archiver import HTMLArchiver
from .. tool.extract.extractor import Extractor
from .. tool.videoinfo import VideoInfo
from .. import __version__

'''
Most of CLI modules refer to 
Petter Kraabøl's Twitch-Chat-Downloader
https://github.com/PetterKraabol/Twitch-Chat-Downloader
(MIT License)

'''
def main():
    # Arguments 
    parser = argparse.ArgumentParser(description=f'pytchat v{__version__}')
    parser.add_argument('-v', f'--{Arguments.Name.VIDEO}', type=str,
         help='Video IDs separated by commas without space')
    parser.add_argument('-o', f'--{Arguments.Name.OUTPUT}', type=str,
         help='Output directory (end with "/")', default='./')
    parser.add_argument(f'--{Arguments.Name.VERSION}', action='store_true',
         help='Settings version')
    Arguments(parser.parse_args().__dict__)
    if Arguments().print_version:
        print(f'pytchat v{__version__}')
        return

    # Extractor
    if Arguments().video_ids:
        for video_id in Arguments().video_ids:
            if '[' in video_id:
                video_id = video_id.replace('[','').replace(']','')
            try:
                info = VideoInfo(video_id)
                print(f"Extracting...\n"
                      f" video_id: {video_id}\n"
                      f" channel:  {info.get_channel_name()}\n"
                      f" title:    {info.get_title()}")
                Extractor(video_id, 
                  processor = HTMLArchiver(Arguments().output+video_id+'.html')
                ).extract()
                print("Extraction end.\n")
            except (InvalidVideoIdException, NoContentsException) as e:
                print(e)
        return
    parser.print_help()