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.collect_loan import CollectLoanSchema, CollectLoanResponseSchema   

class CollectLoanService:
    @staticmethod
    def process_request(data):
        """
        Process the CollectLoan request.

        Args:
            data (dict): The request data.

        Returns:
            tuple: JSON response and status code.
        """
        try:
            logger.info("Processing CollectLoan request")

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

            # Simulated processing logic
            response_data = {
                "transactionId": validated_data.get("transactionId", "T002"),
                "debtId": validated_data.get("debtId", "273194670"),
                "customerId": validated_data.get("customerId", "CN621868"),
                "accountId": validated_data.get("accountId", "2017821799"),
                "productId": validated_data.get("productId", "101"),
                "amountCollected": validated_data.get("collectAmount", 60000.00),
                "countryId": validated_data.get("countryId", "01"),
                "comment": validated_data.get("comment", "Testing CollectionLoanRequest"),
                "responseCode": "00",
                "responseDescr": "Loan Collection Successful",
                "fullDescription": "Loan collection completed successfully",
                "responseMessage": "Loan collection completed successfully"
            }

            # Validate and serialize the response data
            response_schema = CollectLoanResponseSchema()
            result = response_schema.dump(response_data)

            return jsonify(result), 200

        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