import {cookies} from "next/headers";
import { serverGraphqlFetch } from "@utils/bagisto";
import { CREATE_CART_TOKEN } from "@/graphql";
import { GUEST_CART_ID, GUEST_CART_TOKEN, IS_GUEST, GUEST_COOKIE_OPTION } from "@/utils/constants";
import { CreateCartTokenData } from "@/types/cart/type";


export async function deleteGuestCookie(isGuest: boolean = true) {
    const cookieStore = await cookies();

    cookieStore.delete(GUEST_CART_TOKEN);
    cookieStore.delete(GUEST_CART_ID);
    cookieStore.set(IS_GUEST, isGuest ? "true" : "false");

}


export async function setGuestCookie({
    guestToken,
    guestCartId,
    isGuest
}: {
    guestToken: string;
    guestCartId: string;
    isGuest: boolean;
}) {
    const cookieOptions = {
        httpOnly: GUEST_COOKIE_OPTION.httpOnly,
        maxAge: GUEST_COOKIE_OPTION.maxAge,
        path: GUEST_COOKIE_OPTION.path,
        secure: GUEST_COOKIE_OPTION.secure,
        sameSite: GUEST_COOKIE_OPTION.sameSite,
    };

    const cookieStore = await cookies();
    cookieStore.set(GUEST_CART_TOKEN,guestToken,cookieOptions);
    cookieStore.set(GUEST_CART_ID,guestCartId,cookieOptions);
    cookieStore.set(IS_GUEST,isGuest ? "true" : "false");
}

export async function createGuestCartToken() {

    const cookieStore = await cookies();

    const existingToken = cookieStore.get(GUEST_CART_TOKEN)?.value;
    const existingCartId = cookieStore.get(GUEST_CART_ID)?.value;

    if (existingToken && existingCartId) {
        return {
            success: true,
            cartToken: existingToken,
            cartId: existingCartId,
            msg: ''
        };
    }

    try{
         
        const response = await serverGraphqlFetch<CreateCartTokenData>({
            query: CREATE_CART_TOKEN,
            cache: "no-store",
            takeAuthorization: false
        });
        const success = response.error ? false : true;
        let guestToken = null;
        let guestCartId = null;
        const msg = response.error ? response.error.message : '';
        if(success && response.data?.createCartToken) {
            guestToken = response.data.createCartToken.cartToken.sessionToken;
            guestCartId = response.data.createCartToken.cartToken.id;

            await setGuestCookie({
                guestToken,
                guestCartId,
                isGuest: true
            });
        }

        
        return {
            success: success,
            cartToken: guestToken,
            cartId: guestCartId,
            msg: msg
        };
    } catch(e: any) {
        return {
            success:false,
            cartToken: null,
            cartId: null,
            msg: e.message || 'Create guest cart token failed!'
        };
    }
}