from flask import request, jsonify
from app.api.services.base_service import BaseService
from marshmallow import ValidationError
from app.utils.logger import logger
from app.api.schemas.customer_consent_schema import CustomerConsentSchema
from app.api.services.base_service import BaseService
from app.api.enums import TransactionType 
from app.extensions import db


class CustomerConsentService(BaseService):
    TRANSACTION_TYPE = TransactionType.CUSTOMER_CONSENT 

    @staticmethod
    def process_request(data):
        """
        Process the CustomerConsent request.

        Args:
            data (dict): The request data.

        Returns:
            dict: A standardized response.
        """
        try:
            with db.session.begin():
                validated_data = CustomerConsentService.validate_data(data, CustomerConsentSchema())
                account_id = validated_data.get('accountId')
                customer_id =  validated_data.get('customerId')

                if(CustomerConsentService.validate_account_ownership(account_id = account_id, customer_id = customer_id)):
                    
                    transaction = CustomerConsentService.log_transaction(validated_data = validated_data)

                    if not transaction:
                        logger.error(f"Failed to log transaction")
                        return jsonify({
                            "message": "Failed to log transaction."
                        }), 400
                else:  
                    return jsonify({
                            "message": "Invalid Customer or Account"
                        }), 400

                    
                # Simulated processing logic
                response_data = {
                    "resultCode": "00",
                    "resultDescription": "Request is received"
                }

                db.session.commit()
                return response_data
            
        except ValidationError as err:

            logger.error(f"Validation Error: {getattr(err, 'messages', str(err))}")
            db.session.rollback()

            return jsonify({
                "message": "Validation exception"
                }) , 422
        
        except  ValueError as err:
            logger.error(f"{getattr(err, 'messages', str(err))}")
            db.session.rollback()

            return jsonify({
                "message": str(err)
                }) , 400

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