#!/usr/bin/env python3
"""
FleetMind API Key Generator

Generate API keys for users to authenticate with FleetMind MCP Server.

Usage:
    python generate_api_key.py
    python generate_api_key.py --email user@example.com --name "John Doe"
    python generate_api_key.py --list
    python generate_api_key.py --revoke user@example.com
"""

import argparse
import sys
from database.api_keys import generate_api_key, list_api_keys, revoke_api_key

def main():
    parser = argparse.ArgumentParser(
        description='FleetMind API Key Management',
        formatter_class=argparse.RawDescriptionHelpFormatter,
        epilog="""
Examples:
  # Interactive mode (prompts for email and name)
  python generate_api_key.py

  # Generate key with arguments
  python generate_api_key.py --email alice@company.com --name "Alice Smith"

  # List all API keys
  python generate_api_key.py --list

  # Revoke a key
  python generate_api_key.py --revoke alice@company.com
        """
    )

    parser.add_argument('--email', help='User email address')
    parser.add_argument('--name', help='User display name')
    parser.add_argument('--list', action='store_true', help='List all API keys')
    parser.add_argument('--revoke', metavar='EMAIL', help='Revoke API key for email')

    args = parser.parse_args()

    # List API keys
    if args.list:
        print("\n" + "="*80)
        print("FLEETMIND API KEYS")
        print("="*80 + "\n")

        keys = list_api_keys()
        if not keys:
            print("No API keys found.\n")
            return

        for key in keys:
            status = "✅ Active" if key['is_active'] else "❌ Revoked"
            print(f"Email:      {key['email']}")
            print(f"Name:       {key['name']}")
            print(f"User ID:    {key['user_id']}")
            print(f"Key:        {key['key_preview']}")
            print(f"Created:    {key['created_at']}")
            print(f"Last Used:  {key['last_used_at'] or 'Never'}")
            print(f"Status:     {status}")
            print("-" * 80)

        print()
        return

    # Revoke API key
    if args.revoke:
        print(f"\n⚠️  Revoking API key for {args.revoke}...")
        result = revoke_api_key(args.revoke)

        if result['success']:
            print(f"✅ {result['message']}\n")
        else:
            print(f"❌ Error: {result['error']}\n")
            sys.exit(1)
        return

    # Generate new API key
    if not args.email:
        # Interactive mode
        print("\n" + "="*80)
        print("GENERATE NEW FLEETMIND API KEY")
        print("="*80 + "\n")

        email = input("Enter user email: ").strip()
        if not email:
            print("❌ Email is required")
            sys.exit(1)

        name = input("Enter user name (optional): ").strip() or None
    else:
        email = args.email
        name = args.name

    print(f"\nGenerating API key for {email}...")
    result = generate_api_key(email, name)

    if not result['success']:
        print(f"\n❌ Error: {result['error']}\n")
        sys.exit(1)

    # Success! Display the API key
    print("\n" + "="*80)
    print("✅ API KEY GENERATED SUCCESSFULLY")
    print("="*80 + "\n")

    print(f"Email:      {result['email']}")
    print(f"Name:       {result['name']}")
    print(f"User ID:    {result['user_id']}")
    print(f"Created:    {result['created_at']}")
    print()
    print("🔑 API KEY (copy this now - it won't be shown again!):")
    print("-" * 80)
    print(result['api_key'])
    print("-" * 80)
    print()
    print("📋 Add this to your Claude Desktop config:")
    print()
    print('  {')
    print('    "mcpServers": {')
    print('      "fleetmind": {')
    print('        "command": "npx",')
    print('        "args": [')
    print('          "mcp-remote",')
    print('          "https://mcp-1st-birthday-fleetmind-dispatch-ai.hf.space/sse"')
    print('        ],')
    print('        "env": {')
    print(f'          "FLEETMIND_API_KEY": "{result["api_key"]}"')
    print('        }')
    print('      }')
    print('    }')
    print('  }')
    print()
    print("⚠️  IMPORTANT: Save this API key securely. You won't be able to see it again!")
    print()

if __name__ == "__main__":
    main()