#!/usr/bin/env python3
import subprocess
from datetime import datetime, timedelta, timezone

import package.utils as utils
from package.config import DB as DB
from package.database import TwitchVideo

def download_videos():
    """Find all undownloaded videos and clips, and download them safely."""
    undownloaded = DB.get_undownloaded()

    print("Starting downloads...")
    for row in undownloaded:
        # 1. Define your data's timestamp (Example: April 10, 2026, at 10:00 AM)
        #datetime.strptime(created_at, "%Y-%m-%dT%H:%M:%SZ")
        data_timestamp = datetime.fromisoformat(row.created_at)

        # 2. Get the exact current date and time
        current_time = datetime.now(timezone.utc)

        # 3. Calculate the difference between the two times
        time_difference = current_time - data_timestamp

        # 4. Check if the difference is greater than 24 hours
        if time_difference > timedelta(hours=24):
            print("The data is more than 24 hours old.")
        else:
            #lets wait 24 hours befor downloading
            print("The data is less than 24 hours old.")
            continue

        data = [attr for attr in vars(TwitchVideo) if not attr.startswith('__')]
        print(f"ID: {row.id} | Date: {row.created_at} | Game: {row.game_name} | Title: {row.title}")

        # 1. Define paths and isolate base directory
        if row.clip_is:
            target_dir = f"download/clips/{row.id}"
            cmd = f"TwitchDownloaderCLI clipdownload --id {row.id} -o {target_dir}/{row.id}.mp4 --collision Overwrite --temp-path download/temp"
        else:
            target_dir = f"download/videos/{row.id}"
            # FIXED: Removed the duplicated command string combined with '&&'
            cmd = f"TwitchDownloaderCLI videodownload --id {row.id} -o {target_dir}/{row.id}.mp4 --collision Overwrite --threads 2 --temp-path download/temp"

        csv_file = f"{target_dir}/{row.id}.csv"

        # 3. FIXED: Use the live streaming function to prevent Out-Of-Memory crashes
        output = utils.run_command(cmd, look_for=["[STATUS]"])
        output2 = utils.run_command(f"TwitchDownloaderCLI chatdownload --id {row.id} -o {target_dir}/{row.id}_chat.json -E --collision Overwrite --temp-path download/temp", look_for=["[STATUS]"])

        if output:
            # Only write CSV and update database if download actually completed
            data = [attr for attr in vars(TwitchVideo) if not attr.startswith('__')]
            utils.write_csv(data, csv_file)
            print(f"✅ Success: TwitchDownloaderCLI video. {target_dir}")
            DB.mark_as_downloaded(row.id)
        else:
            print(f"ID: {row.id} | Download Process failed.")
            #print(f"❌ Reason/Error: {output.get('error', 'Unknown Error')}")
            #if output.get("stderr"):
            #    print(f"Details: {output['stderr']}")

            # Clear temporary chunk clutter immediately if a VOD crashes out
            if not row.clip_is:
                print("Flushing temporary crash chunks...")
                subprocess.run("rm -rf download/temp/*", shell=True)

    print("Finished Downloading Pipeline.")

if __name__ == "__main__":
    download_videos()