from flask import request, jsonify
from marshmallow import ValidationError
from app.utils.logger import logger
from app.api.schemas.disbursement import DisbursementSchema, DisburseLoanResponseSchema
import datetime

class DisbursementService:
    @staticmethod
    def process_request(data):
        """
        Process the Disbursement request.

        Args:
            data (dict): The request data.

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

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

            
            # For demo purposes, we simulate a response using the validated data
            response_data = {
                "transactionId": validated_data.get("transactionId"),
                "fbnTransactionId": validated_data.get("fbnTransactionId"),  # Example or generated value
                "debtId": validated_data.get("debtId"),
                "customerId": validated_data.get("customerId"),
                "accountId": validated_data.get("accountId"),
                "productId": validated_data.get("productId"),
                "provideAmount": validated_data.get("provideAmount"),
                "collectAmountInterest": validated_data.get("collectAmountInterest"),
                "collectAmountMgtFee": validated_data.get("collectAmountMgtFee"),
                "collectAmountInsurance": validated_data.get("collectAmountInsurance"),
                "collectAmountVAT": validated_data.get("collectAmountVAT"),
                "countryId": validated_data.get("countryId"),
                "responseCode": "00",  # success code example
                "responseMessage": "Loan Request Completed Successfully!",
                "disburseVerify": datetime.datetime.now().isoformat(),
                "verifyResult": "00",
                "verifyDescription": "Collect Status retrieved successfully.",
                "disburseDate": datetime.datetime.now().isoformat(),
                "disburseResult": "00",
                "disburseDescription": "Loan Request Completed Successfully!",
            }

            # Serialize response
            response_schema = DisburseLoanResponseSchema()
            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