from flask import session, jsonify
from app.utils.logger import logger
from app.api.services.base_service import BaseService
from app.api.schemas.eligibility_check import EligibilityCheckSchema
from marshmallow import ValidationError
from app.api.enums import TransactionType
from app.api.integrations import SimbrellaIntegration
from app.extensions import db

class EligibilityCheckService(BaseService):
    TRANSACTION_TYPE = TransactionType.ELIGIBILITY_CHECK 

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

        Args:
            data (dict): The request data.

        Returns:
            dict: A standardized response.
        """
        try:
            with db.session.begin():

                validated_data = EligibilityCheckService.validate_data(data, EligibilityCheckSchema())
                account_id = validated_data.get('accountId')
                customer_id =  validated_data.get('customerId')
                transactionId = validated_data.get('transactionId')
                msisdn = validated_data.get('msisdn')

                customer = EligibilityCheckService.get_or_create_customer(validated_data = validated_data)

                if (EligibilityCheckService.validate_account_ownership(account_id = account_id, customer_id = customer_id)):
                
                    transaction = EligibilityCheckService.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
                
                # Call RACCheck
                response = SimbrellaIntegration.rac_check(
                    customer_id = customer_id,
                    account_id = account_id,
                    transaction_id = transaction.id,
                )
                logger.error(f"This is Response Returned ****** : {str(response)}")

                # this chck for error is not valid
                logger.error(f"Check for ERROR is not valid  ****** FIX THIS !!!!!")
                #if "error" in response or response.get("status") != 200:
                #    return jsonify({"message": "RACCheck failed"}), 400

                offers = [
                    {
                        "offerId": "SAL90",
                        "productId": "2030",
                        "minAmount": 5000,
                        "maxAmount": 100000,
                        "tenor": 30
                    },
                    {
                        "offerId": "SAL30",
                        "productId": "2090",
                        "minAmount": 3000,
                        "maxAmount": 500000,
                        "tenor": 90
                    }
                ]

                # Simulate processing
                response_data = {
                    "customerId": customer_id,
                    "transactionId": transactionId,
                    "countryCode": "NG",
                    "msisdn": msisdn,
                    "eligibleOffers": offers,
                    "resultDescription": "Successful",
                    "resultCode": "00",
                    "accountId": account_id
                    }

                return response_data
        
        except ValidationError as err:

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

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

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

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