"""
Example: Import credentials from a client project directory.

This script demonstrates a real-world use case for the credential scanner:
importing credentials from a client's project directory into the ClaudeTools
credential vault with automatic encryption.

Usage:
    python example_credential_import.py /path/to/client/project [--client-id UUID]
"""

import argparse
import logging
import sys
from pathlib import Path

from api.database import SessionLocal
from api.utils.credential_scanner import (
    scan_for_credential_files,
    parse_credential_file,
    import_credentials_to_db,
    scan_and_import_credentials,
)

# Configure logging
logging.basicConfig(
    level=logging.INFO,
    format='%(asctime)s - %(levelname)s - %(message)s'
)
logger = logging.getLogger(__name__)


def preview_credentials(base_path: str):
    """Preview credentials that would be imported without actually importing."""
    logger.info(f"Scanning for credentials in: {base_path}")

    # Find credential files
    files = scan_for_credential_files(base_path)

    if not files:
        logger.warning("No credential files found")
        return []

    logger.info(f"\nFound {len(files)} credential file(s):")
    for file_path in files:
        logger.info(f"  - {file_path}")

    # Parse and preview
    all_credentials = []
    for file_path in files:
        credentials = parse_credential_file(file_path)
        all_credentials.extend(credentials)

        logger.info(f"\n{Path(file_path).name}:")
        for cred in credentials:
            logger.info(f"  Service: {cred.get('service_name')}")
            logger.info(f"  Type: {cred.get('credential_type')}")
            if cred.get('username'):
                logger.info(f"  Username: {cred.get('username')}")
            logger.info("")

    logger.info(f"Total credentials found: {len(all_credentials)}")
    return all_credentials


def import_with_confirmation(base_path: str, client_id: str = None):
    """Import credentials with user confirmation."""

    # Preview first
    credentials = preview_credentials(base_path)

    if not credentials:
        logger.info("No credentials to import")
        return

    # Ask for confirmation
    logger.info("\n" + "=" * 60)
    response = input(f"Import {len(credentials)} credential(s) to database? (yes/no): ")

    if response.lower() not in ['yes', 'y']:
        logger.info("Import cancelled")
        return

    # Import to database
    db = SessionLocal()
    try:
        logger.info("\nImporting credentials...")
        results = scan_and_import_credentials(
            base_path=base_path,
            db=db,
            client_id=client_id,
            user_id="manual_import",
            ip_address=None
        )

        logger.info("\n" + "=" * 60)
        logger.info("IMPORT COMPLETE")
        logger.info("=" * 60)
        logger.info(f"Files scanned: {results['files_found']}")
        logger.info(f"Credentials parsed: {results['credentials_parsed']}")
        logger.info(f"Credentials imported: {results['credentials_imported']}")

        if results['credentials_imported'] < results['credentials_parsed']:
            logger.warning(
                f"Warning: {results['credentials_parsed'] - results['credentials_imported']} "
                "credential(s) failed to import. Check logs for details."
            )

    except Exception as e:
        logger.error(f"Import failed: {str(e)}", exc_info=True)
        raise
    finally:
        db.close()


def main():
    """Main entry point."""
    parser = argparse.ArgumentParser(
        description="Import credentials from a directory into ClaudeTools credential vault"
    )
    parser.add_argument(
        'path',
        type=str,
        help='Path to directory containing credential files'
    )
    parser.add_argument(
        '--client-id',
        type=str,
        help='UUID of client to associate credentials with (optional)',
        default=None
    )
    parser.add_argument(
        '--preview',
        action='store_true',
        help='Preview credentials without importing'
    )

    args = parser.parse_args()

    # Validate path
    path = Path(args.path)
    if not path.exists():
        logger.error(f"Path does not exist: {args.path}")
        sys.exit(1)

    if not path.is_dir():
        logger.error(f"Path is not a directory: {args.path}")
        sys.exit(1)

    # Preview or import
    if args.preview:
        preview_credentials(str(path))
    else:
        import_with_confirmation(str(path), args.client_id)


if __name__ == "__main__":
    main()