import os.path
from datetime import datetime

from exception.danmaku import DanmakuException
from workflow.danmaku import get_file_start, diff_danmaku_files, danmaku_to_subtitle
from workflow.video import encode_video_with_subtitles, quick_split_video


def do_workflow(video_file, danmaku_base_file, *danmaku_files):
    if not os.path.exists(danmaku_base_file):
        ...
    result = []
    start_ts = get_file_start(danmaku_base_file)
    base_start = datetime.fromtimestamp(start_ts)
    new_file_name = base_start.strftime("%Y%m%d_%H%M.flv")
    result.append(danmaku_to_subtitle(danmaku_base_file, 0))
    for danmaku_file in danmaku_files:
        try:
            bias = diff_danmaku_files(danmaku_base_file, danmaku_file)
            if bias < -600:
                print("弹幕文件", danmaku_file, "反向偏移超过10分钟")
            result.append(danmaku_to_subtitle(danmaku_file, bias))
        except DanmakuException:
            print("弹幕文件", danmaku_file, "异常")
            continue
    print(result)
    encode_video_with_subtitles(video_file, result, new_file_name)
    quick_split_video(new_file_name)
    # clean files
    for file in result:
        os.remove(file)
    os.remove(new_file_name)