Pizzeria piu economica per area geografica

async function getRequest(url) {
    const response = await fetch(url);
    return await response.json();
}

function findByShopName(shopList, shopName) {
    return shopList.filter((shop) => shop.title.toLowerCase()
        .includes(shopName.toLowerCase()));
}

function findByGeographicArea(shopList, geographicArea) {
    return shopList.filter((shop) => shop.geographicArea.toLowerCase() === geographicArea.toLowerCase());
}

function getItemPriceByShop(shop, itemName) {
    const items = shop?.products.filter(
        (product) => product.name.toLowerCase().includes(itemName.toLowerCase())
    );

    let minPrice = items[0];
    for (let item of items) {
        if (item.price < minPrice.price) {
            minPrice = item;
        }
    }

    return minPrice;
}

function bestPriceByGeographicArea(shopList, itemName) {
    const geographicDict = {};
    for (let shop of shopList) {
        if (!geographicDict[shop.geographicArea])
            geographicDict[shop.geographicArea] = [];

        geographicDict[shop.geographicArea].push(shop);
    }

    for (let geographicArea of Object.keys(geographicDict)) {
        geographicDict[geographicArea] = sortShopsByItemNamePrice(geographicDict[geographicArea], itemName);
        geographicDict[geographicArea] = geographicDict[geographicArea]?.[0];
    }

    return geographicDict;
}

function sortShopsByItemNamePrice(shops, itemName) {
    const comparator = (shop1, shop2) => {
        return parseFloat(getItemPriceByShop(shop1, itemName)?.price ?? Infinity) -
            parseFloat(getItemPriceByShop(shop2, itemName)?.price ?? Infinity)
    }

    return shops.sort(comparator);
}

async function main() {
    const shops = await getRequest("http://localhost:3000/api");
    // console.log(shops);

    // console.log(
    //     "Shop name (Bode, Miller and Nitzsche):",
    //     findByShopName(shops, "SchoWAlter")
    // );

    // console.log(
    //     "Shop in Penne:",
    //     findByGeographicArea(shops, "PENNE")
    // );

    console.log(
        "Shop with the lowest price categorized by geolocation",
        bestPriceByGeographicArea(shops, "Pizza")
    );

    const pizzaPriceShops = shops.map(shop => {
        return { ...shop, FOUND_PIZZA_PRICE: getItemPriceByShop(shop, "Pizza")?.price }
    });

    console.log("pizzaPriceShops", pizzaPriceShops);
}

main();