import {useCallback} from "react";
import { useApolloClient } from "@apollo/client/react";
import { 
    CREATE_SAVE_CHECKOUT_CART
} from "@/graphql";

import { SaveCheckoutCartVariables, SaveCheckoutCart } from "@/types/checkout/type";

interface SaveCheckoutCartResult {
    data: SaveCheckoutCart | null;
    msg: string;
    error: boolean;
}

export const useSaveCheckoutCart = () => {
    const client = useApolloClient();
    const defaultVariables = {
        shippingMethod: '-1',
        paymentMethod: '-1',
        couponCode: '-1',
        giftCardNumber: '-1',
        memberDiscount: '-1',
        useShippingInsurance: '-1',
        rewardPoints: -1
    };
    const saveCheckoutCart = useCallback((params: SaveCheckoutCartVariables) => {
        const variables = Object.assign({},defaultVariables,params);
        return client.mutate({
            mutation: CREATE_SAVE_CHECKOUT_CART,
            variables: variables //params
        }).then((res) => {
            const resData = res.data?.createSaveCheckoutCart.saveCheckoutCart ?? null; 
            const result: SaveCheckoutCartResult = { 
                data:resData,
                msg: '',
                error: false
            };
            return result;
        }).catch((err) => {
            const result: SaveCheckoutCartResult = {
                data: null,
                msg: err.message,
                error: true
            };
            return result;
        });

    },[client]);



  return {
    saveCheckoutCart
  };
};