import argparse
import sys
from termcolor import colored

# Placeholder functions to simulate actual functionality
def download_media(url, platform=None, output=None, media_type=None, resolution=None, verbose=False):
    """Simulate downloading media from the given URL."""
    print(colored(f"🌐 Starting download from {url}...", 'cyan'))
    
    if platform:
        print(f"Platform specified: {colored(platform, 'yellow')}")
    if media_type:
        print(f"Media type: {colored(media_type, 'green')}")
    if resolution:
        print(f"Resolution set to: {colored(resolution, 'blue')}")
    if output:
        print(f"Saving to: {colored(output, 'green')}")
    
    if verbose:
        print(colored("Verbose mode enabled: Detailed logs will be shown.", 'blue'))
    else:
        print(colored("Download initiated. Please wait...", 'magenta'))

    # Simulate download process
    print(colored("✅ Download completed successfully.", 'green'))

def show_platforms():
    """Display a list of supported platforms."""
    print(colored("\n🛠️ Supported platforms:", 'yellow'))
    platforms = ['YouTube', 'TikTok', 'Instagram', 'Terabox', 'Spotify']
    for platform in platforms:
        print(f"- {colored(platform, 'cyan')}")

def display_info(url):
    """Display media information without downloading."""
    print(colored(f"\n🔍 Fetching information for {url}...", 'blue'))
    # Simulate fetching media information
    print(colored("📋 Media Info: Video title, duration, quality, etc.", 'green'))

def show_version():
    """Display the version of MediaMagic."""
    print(colored("\n🔧 MediaMagic version 1.0.0", 'green'))

def handle_error(message):
    """Handle errors and display the appropriate message."""
    print(colored(f"❌ Error: {message}", 'red'))
    sys.exit(1)

def main():
    """Main function to parse arguments and execute corresponding actions."""
    parser = argparse.ArgumentParser(
        description=colored("MediaMagic CLI Tool - A versatile all-media downloader", 'magenta'),
        formatter_class=argparse.RawTextHelpFormatter
    )

    # Define command-line arguments
    parser.add_argument(
        '-u', '--url', 
        type=str, 
        help='URL to download media from (e.g., YouTube, TikTok, etc.)'
    )
    parser.add_argument(
        '-p', '--platform', 
        type=str, 
        choices=['youtube', 'tiktok', 'instagram', 'terabox', 'spotify'], 
        help='Specify the platform for downloading (optional)'
    )
    parser.add_argument(
        '-d', '--download', 
        action='store_true', 
        help='Initiate the download process'
    )
    parser.add_argument(
        '-o', '--output', 
        type=str, 
        help='Specify the output directory/filename'
    )
    parser.add_argument(
        '-v', '--verbose', 
        action='store_true', 
        help='Enable verbose mode for detailed download logs'
    )
    parser.add_argument(
        '--info', 
        action='store_true', 
        help='Fetch and display media information (without downloading)'
    )
    parser.add_argument(
        '--version', 
        action='store_true', 
        help='Show the version of MediaMagic'
    )
    parser.add_argument(
        '--platforms', 
        action='store_true', 
        help='Show the list of supported platforms'
    )
    parser.add_argument(
        '-t', '--media_type', 
        type=str, 
        choices=['video', 'audio', 'thumbnail'], 
        help='Specify the media type to download (e.g., video, audio, video_no_audio, thumbnail)'
    )
    parser.add_argument(
        '-r', '--resolution', 
        type=str, 
        help='Specify the resolution (e.g., 720p, 1080p) for video downloads'
    )

    # Parse command-line arguments
    args = parser.parse_args()

    # Handle different argument cases
    if args.version:
        show_version()
    elif args.platforms:
        show_platforms()
    elif args.info and args.url:
        display_info(args.url)
    elif args.download and args.url:
        download_media(
            args.url, 
            platform=args.platform, 
            output=args.output, 
            media_type=args.media_type, 
            resolution=args.resolution, 
            verbose=args.verbose
        )
    else:
        handle_error("Invalid or missing arguments. Please refer to --help for usage instructions.")

if __name__ == "__main__":
    main()
