from flask import request, jsonify
from marshmallow import ValidationError
from app.utils.logger import logger
from app.api.helpers.response_helper import ResponseHelper
from app.api.schemas.penal_charge import PenalChargeSchema, CollectPenalFeeResponseSchema


class PenalChargeService:
    @staticmethod
    def process_request(data):
        """
        Process the PenalCharge request.

        Args:
            data (dict): The request data.

        Returns:
            dict: A standardized response.
        """
        try:
            logger.info("Processing PenalCharge request")

            # Validate input data using PenalChargeSchema
            schema = PenalChargeSchema()
            validated_data = schema.load(data)

            # Simulated processing logic
            response_data = {
                "customerId": validated_data.get("customerId"),
                "transactionId": validated_data.get("transactionId"),
                "amountCollected": validated_data.get("penalCharge", 0.0),
                "accountId": validated_data.get("accountId"),
                "responseCode": "00",
                "responseMessage": "Penal charge debited successfully"
            }

            # Optionally validate/serialize response using schema
            response_schema = CollectPenalFeeResponseSchema()
            result = response_schema.dump(response_data)

            return result

        except ValidationError as err:
            logger.error(f"Validation Error: {err.messages}")
            return jsonify({
                "message": "Validation exception",
                "errors": err.messages
            }), 422

        except Exception as e:
            logger.error(f"An error occurred: {str(e)}", exc_info=True)
            return jsonify({
                "message": "Internal Server Error"
            }), 500