from argparse import ArgumentParser
from utils.download_video import download_video
from utils.transcriber import transcriber
from utils.subtitler import subtitler
from utils.convert_video_to_audio import convert_video_to_audio
import logging, os
from tqdm import tqdm

logging.basicConfig(filename='main.log',
                encoding='utf-8',
                level=logging.DEBUG,
                format='%(asctime)s %(levelname)s %(message)s',
                datefmt='%m/%d/%Y %I:%M:%S %p')

def main(video_url:str,
        invideo_filename:str,
        max_words_per_line:int,
        fontsize:int,
        font:str,
        bg_color:str,
        text_color:str
        ):
    INVIDEO_DIR = os.path.join('data/',invideo_filename)
    os.makedirs(INVIDEO_DIR, exist_ok=True)
    SRT_PATH = os.path.join(INVIDEO_DIR, f"{invideo_filename}.srt")
    OUTVIDEO_PATH = os.path.join(INVIDEO_DIR, f"result_{invideo_filename}.mp4")
    with tqdm(total=100, desc="Overall Progress") as pbar:       
        if video_url != None:
            INVIDEO_PATH = download_video(video_url, INVIDEO_DIR, invideo_filename)
            pbar.update(25)
            INAUDIO_PATH = os.path.join(INVIDEO_DIR, f"{invideo_filename}.m4a")
            convert_video_to_audio(INVIDEO_PATH,INAUDIO_PATH)
            pbar.update(25)
            if not os.path.exists(SRT_PATH):
                transcriber(INAUDIO_PATH, SRT_PATH, max_words_per_line)
            pbar.update(25)
            subtitler(INVIDEO_PATH, SRT_PATH, OUTVIDEO_PATH,fontsize, font, bg_color, text_color)
            pbar.update(25)
            return
        INVIDEO_PATH = os.path.join(INVIDEO_DIR, f"{invideo_filename}.mp4")
        INAUDIO_PATH = os.path.join(INVIDEO_DIR, f"{invideo_filename}.m4a")
        if not os.path.exists(INAUDIO_PATH):
            convert_video_to_audio(INVIDEO_PATH,INAUDIO_PATH)
        pbar.update(50)
        if not os.path.exists(SRT_PATH):
            transcriber(INAUDIO_PATH, SRT_PATH, max_words_per_line)
        pbar.update(25)
        subtitler(INVIDEO_PATH, SRT_PATH, OUTVIDEO_PATH, fontsize, font, bg_color, text_color)
        pbar.update(25)

if __name__ == '__main__':
    parser = ArgumentParser()
    parser.add_argument('--invideo_filename', required=True, type=str, help='Filename to caption.')
    parser.add_argument('--video_url', required=False, default=None, type=str, help='A video file to be subtitled (Optional)')
    parser.add_argument("--max_words_per_line", type=int, default=None, help="the maximum number of words in a segment. (int)")
    parser.add_argument('--fontsize', required=False, default=32, type=int, help='Font size for captions (int)')
    parser.add_argument('--font', required=False, default="FuturaPTHeavy", type=str, help='Font style for captions (str)')
    parser.add_argument('--bg_color', required=False, default="#070a13b3", type=str, help='Hex color value for caption background colour. (str)')
    parser.add_argument('--text_color', required=False, default="white", type=str, help='color value for caption text. (str)')
    args = parser.parse_args()
    # Example usage
    main(args.video_url,
        args.invideo_filename,
        args.max_words_per_line,
        args.fontsize,
        args.font,
        args.bg_color,
        args.text_color
        )