"""
Controller for token validation endpoints.
"""
from flask import Blueprint, request, jsonify
from app.middleware import api_key_required
from app.models import ValidateTokenRequest, ValidateTokenResponse
import logging

# Configure logger
logger = logging.getLogger(__name__)

# Create blueprint
token_bp = Blueprint('token', __name__)

@token_bp.route('/ValidateToken', methods=['POST'])
@api_key_required
def validate_token():
    """
    Endpoint to validate user authentication tokens.
    
    This method is used when users from FirstBank access the Customer Care Portal.
    It validates the soft/hard token code entered by the user.
    
    Returns:
        JSON response with token validation results
    """
    try:
        # Parse and validate request
        data = request.get_json()
        if not data:
            return jsonify({
                'resultCode': '400',
                'resultDescription': 'Invalid JSON payload'
            }), 400
        
        # Validate required fields
        required_fields = ['RequestId', 'UserId', 'CountryId', 'TokenCode']
        for field in required_fields:
            if field not in data:
                return jsonify({
                    'resultCode': '422',
                    'resultDescription': f'Missing required field: {field}'
                }), 422
        
        # Create request model
        req = ValidateTokenRequest.from_dict(data)
        
        # Process token validation (this would connect to the business logic)
        # For demonstration, we'll return a mock response with successful validation
        
        # Create response
        response = ValidateTokenResponse(
            Authenticated=True,
            AuthenticatedMessage=f"The user with ID {req.UserId} has successfully authenticated!",
            ResponseCode="00",
            ResponseMessage="Successful",
            RequestId=req.RequestId
        )
        
        logger.info(f"Processed token validation for user {req.UserId}")
        return jsonify(response.to_dict())
    
    except Exception as e:
        logger.error(f"Error processing token validation: {str(e)}")
        return jsonify({
            'resultCode': '500',
            'resultDescription': 'Internal server error'
        }), 500