import json
import os

LOCK_FILE = 'composer.lock'
OUTPUT_FILE = 'THIRD-PARTY-LICENSES.txt'

def main():
    if not os.path.exists(LOCK_FILE):
        print(f"Error: {LOCK_FILE} not found.")
        return

    try:
        with open(LOCK_FILE, 'r', encoding='utf-8') as f:
            data = json.load(f)
    except Exception as e:
        print(f"Error reading {LOCK_FILE}: {e}")
        return

    packages = data.get('packages', [])
    packages_dev = data.get('packages-dev', [])

    # Combine all packages
    all_packages = packages + packages_dev
    
    # Sort by name
    all_packages.sort(key=lambda x: x.get('name', '').lower())

    with open(OUTPUT_FILE, 'w', encoding='utf-8') as f:
        f.write("THIRD-PARTY SOFTWARE NOTICES AND INFORMATION\n")
        f.write("============================================\n\n")
        f.write("This software includes the following third-party software components:\n\n")

        for pkg in all_packages:
            name = pkg.get('name', 'Unknown')
            version = pkg.get('version', 'Unknown')
            licenses = pkg.get('license', [])
            license_str = ', '.join(licenses) if licenses else 'Unknown'
            
            # Try to find a URL
            url = pkg.get('source', {}).get('url', '')
            if not url:
                url = pkg.get('dist', {}).get('url', '')
            
            f.write(f"Package: {name}\n")
            f.write(f"Version: {version}\n")
            f.write(f"License: {license_str}\n")
            if url:
                f.write(f"URL: {url}\n")
            
            f.write("-" * 80 + "\n")
    
    print(f"Successfully generated {OUTPUT_FILE} with {len(all_packages)} packages.")

if __name__ == '__main__':
    main()