let manager = (function () {
    // Create warehouse and take recipes
    let warehouse = { protein: 0, carbohydrate: 0, fat: 0, flavour: 0 };

    let recipes = {
        aplle: { carbohydrate: 1, flavour: 2},
        coke: { carbohydrate: 10, flavour: 20},
        burger: { carbohydrate: 5, flavour: 3, fat: 7},
        omelet: { flavour: 1, fat: 1, protein: 5},
        cheverme: { carbohydrate: 10, flavour: 10, fat: 10, protein: 10}
    };

    // Take commands
    return function getInstructions(input) {
        let [command, item, quantity] = input.split(' ');
        switch (command) {
            case 'restock': return restock(item, quantity);
            case 'prepare': return prepare(item, quantity);
            case 'report': return report();
        }
    }


    // Restock the warehouse
    function restock(product, quantity) {
        warehouse[product] += quantity;
        return 'Success';
    }

    // Prepare the order
    function prepare(meal, quantity) {
        for (let ingradient in recipes[meal]) {
            let neededQuantity = recipes[meal][ingradient] * Number(quantity);
            if (neededQuantity > warehouse[ingradient]) {
                return `Error: not enough ${ingradient} in stock`;
            }
        }

        for (let ingradient in recipes[meal]) {
            let neededQuantity = recipes[meal][ingradient] * Number(quantity);
            warehouse[ingradient] -= neededQuantity;
        }
        return 'Success';
    }

    // Make a report
    function report() {
        return [...Object.keys(warehouse)]
            .map(ingradient => ingradient + '=' + warehouse[ingradient])
            .join(' ');
    }
})();



console.log(manager("restock flavour 50"));
console.log(manager("prepare coke "));