import subprocess
import os
import json
from datetime import datetime
import concurrent.futures

formats = "18"
cookies_file = "cookies.txt"
output_template = "%(id)s/%(id)s.f%(format_id)s.%(ext)s"
output_infojson = "infojson:%(id)s/%(id)s.t%(duration_string)s.%(ext)s"
paths = "~/Downloads/staging"
paths_temp = "temp:~/Downloads/temp"
cache_dir = "~/Downloads/cache"
ffmpeg_location = "~/"
num_retries = 10
fragment_retries = 10
concur_fragments = 1
num_threads = 16


url_file = "video_urls.txt"
log_file = "download_log.txt"
metadata_file = "metadata.json"


def download_video(url):
    start_time = datetime.now()
    try:
        command = [
            "yt-dlp",
            "--paths", paths,
            "--paths", paths_temp,
            "--cache-dir", cache_dir,
            "--ffmpeg-location", ffmpeg_location,
            "--format", formats,
            "--cookies", cookies_file,
            "--output", output_template,
            "--output", output_infojson,
            "--ignore-config",
            "--no-progress",
            "--write-info-json",
            url
        ]
        print(f"Start: {' '.join(command)}")
        subprocess.run(command, check=True)
        end_time = datetime.now()
        log_download(url, start_time, end_time)
    except subprocess.CalledProcessError as e:
        print(f"ERROR VIDEO {url}: {e}")


def log_download(url, start_time, end_time):
    with open(log_file, "a") as log:
        log. Write(f"{url} Dowload.\nTue: {start_time}\nNext: {end_time}\n\n")

if not os.path.exists(url_file):
    print(f"File {url_file} Empiy.")
    exit(1)

with open(url_file, "r") as file:
    video_urls = [line.strip() for line in file if line.strip()]


os.makedirs("~/Downloads/staging", exist_ok=True)
os.makedirs("~/Downloads/temp", exist_ok=True)
os.makedirs("~/Downloads/cache", exist_ok=True)


with concurrent.futures.ThreadPoolExecutor(max_workers=num_threads) as executor:
    futures = [executor.submit(download_video, url) for url in video_urls]
    for future in concurrent.futures.as_completed(futures):
        try:
            future. Result()
        except Exception as e:
            print(f"ERROR: {e}")