#!/usr/bin/env python3
"""Documentation generator - creates documentation from code and knowledge."""
import sys
import json
from pathlib import Path
from datetime import datetime

def generate_readme(project_path):
    """Generate README from project structure."""
    package_json = project_path / 'package.json'
    name = project_path.name
    description = "Project description"

    if package_json.exists():
        with open(package_json) as f:
            data = json.load(f)
            name = data.get('name', name)
            description = data.get('description', description)

    readme = f"""# {name}

{description}

## Installation

\`\`\`bash
npm install
\`\`\`

## Usage

\`\`\`typescript
// Add usage examples here
\`\`\`

## Documentation

- [API Documentation](./docs/api/)
- [Architecture Decision Records](./docs/adr/)
- [Contributing Guidelines](./CONTRIBUTING.md)

## License

See LICENSE file.

---

*Generated by Documentation Wizard on {datetime.now().strftime('%Y-%m-%d')}*
"""

    output = project_path / 'README.md'
    with open(output, 'w') as f:
        f.write(readme)

    print(f"[OK] Generated: {output}")

def main():
    project = Path(sys.argv[1] if len(sys.argv) > 1 else '.').resolve()
    print(f"[NOTE] Generating documentation for: {project}\n")
    generate_readme(project)
    print("\n[OK] Documentation generated!")

if __name__ == '__main__':
    main()