milltest/main.js

const {asda,costco,budgens} = require("./marketplace");
const {Market} = require("./Market");
const { Buyer } = require("./Buyer");


function main(){    
    const market = new Market([asda,budgens,costco]);
    let buyer = new Buyer(market);
    let product = "Apples";
    let quantity = 10;
    buyerFunctions(product, quantity, buyer);
    observeMarket(market);
};

function buyerFunctions(product, quantity, buyer){
    console.log(`The best price for ${product} is ${buyer.getBestPrice(product)}`) ;
    console.log(`To completely fill a order of ${quantity} ${product} costs ${buyer.fillWithBestPrices(product,quantity)}`) ;
    console.log(`To buy as quickly as possible ${quantity} ${product} costs ${buyer.quicklyFill(product,quantity)}`) ;

}

function observeMarket(market){
    market.observable.subscribe( (mkt) => {
        console.log(`The current price of apples are ${market.sellers[0].inventory["Apples"].price}`)});
}

main();