#!/bin/bash

# Check if required tools are installed
if ! command -v curl &> /dev/null; then
    echo "curl is required but not installed. Exiting."
    exit 1
fi

if ! command -v jq &> /dev/null; then
    echo "jq is required but not installed. Exiting."
    exit 1
fi

if ! command -v ffmpeg &> /dev/null; then
    echo "ffmpeg is required but not installed. Exiting."
    exit 1
fi

if ! command -v youtube-dl &> /dev/null; then
    echo "youtube-dl is required but not installed. Exiting."
    exit 1
fi

# Check if a file is provided
if [ $# -eq 0 ]; then
    echo "Usage: $0 <file_with_urls>"
    exit 1
fi

FILE=$1

# Process each URL in the file
while IFS= read -r url; do
    echo "Processing URL: $url"

    # Fetch the JSON data from the URL
    json=$(curl -s "$url")
    
    # Extract the .playable.assets[0].url property
    asset_url=$(echo "$json" | jq -r '.playable.assets[0].url')

    if [ "$asset_url" != "null" ]; then
        echo "Found asset URL: $asset_url"
        
        # Extract the filename from the URL
        filename=$(echo "$json" | jq -r '.id')

        # Download the m3u8 file using youtube-dl and ffmpeg
        # ffmpeg -i "$asset_url" -c copy "$filename".m3u8
        # youtube-dl -f 2500 "$asset_url" --id --restrict-filenames --add-header User-Agent:'Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:104.0) Gecko/20100101 Firefox/104.0' --add-header Accept:'*/*' --add-header Accept-Language:'en-US,en;q=0.5' --add-header Accept-Encoding:'gzip, deflate, br' --add-header Origin:'https://www.nb.no' --add-header Connection:'keep-alive' --add-header Referer:'https://www.nb.no/' --add-header Sec-Fetch-Dest:'empty' --add-header Sec-Fetch-Mode:'cors' --add-header Sec-Fetch-Site:'same-site' --add-header Pragma:'no-cache' --add-header Cache-Control:'no-cache' --add-header TE:'trailers'
        youtube-dl  -o "$filename.%(ext)s" "$asset_url"

        echo "Downloaded $filename.mp4"
    else
        echo "No playable asset found for URL: $url"
    fi
done < "$FILE"