from flask import request, jsonify
from marshmallow import ValidationError
from app.utils.logger import logger
from app.api.schemas.transaction_verify import TransactionVerifySchema, TransactionVerifyResponseSchema


class TransactionVerifyService:
    @staticmethod
    def process_request(data):
        """
        Process the TransactionVerify request.

        Args:
            data (dict): The request data.

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

            # Validate input data using TransactionVerifySchema
            schema = TransactionVerifySchema()
            validated_data = schema.load(data)  # Raises ValidationError if invalid

            # Simulated processing logic
            # In a real implementation, this would interact with your business logic
            # to verify the transaction status

            # For demonstration, we'll simulate different responses based on transaction type
            transaction_type = validated_data.get('transactionType')

            if transaction_type == "Disbursement":
                provided_amount = 100.0
                collected_amount = 0.0
                result_description = "Disbursement Status retrieved successfully."
            elif transaction_type == "Collection":
                provided_amount = 0.0
                collected_amount = 75.0
                result_description = "Collection Status retrieved successfully."
            else:  # Penalty
                provided_amount = 0.0
                collected_amount = 7.50
                result_description = "Penalty Status retrieved successfully."

            response_data = {
                "requestId": validated_data.get('requestId'),
                "countryCode": validated_data.get('countryCode'),
                "transactionId": validated_data.get('transactionId'),
                "transactionType": transaction_type,
                "customerId": validated_data.get('customerId'),
                "accountId": validated_data.get('accountId'),
                "providedAmount": provided_amount,
                "collectedAmount": collected_amount,
                "resultCode": "00",
                "resultDescription": result_description
            }

            # Validate the response using the response schema
            response_schema = TransactionVerifyResponseSchema()
            validated_response = response_schema.dump(response_data)

            return jsonify(validated_response)

        except ValidationError as err:
            logger.error(f"Validation Error: {err.messages}")
            return jsonify({
                "resultCode": "01",
                "resultDescription": f"Validation error: {err.messages}"
            }), 422

        except Exception as e:
            logger.error(f"An error occurred: {str(e)}", exc_info=True)
            return jsonify({
                "resultCode": "08",
                "resultDescription": f"Error occurred: {str(e)}"
            }), 500