index.js

'use strict';

// Given variables
const dishData = [
    {
        name: "Italian pasta",
        price: 9.55
    },
    {
        name: "Rice with veggies",
        price: 8.65
    },
    {
        name: "Chicken with potatoes",
        price: 15.55
    },
    {
        name: "Vegetarian Pizza",
        price: 6.45
    },
];

const tax = 1.20;


// Implement getPrices()
function getPrices(taxBoolean) {
    for (let dish of dishData) {
        let finalPrice;

        if (taxBoolean) {
            finalPrice = dish.price * tax;
        } else if (!taxBoolean) {
            finalPrice = dish.price;
        } else {
            console.log("You need to pass a boolean to the getPrices call!");
            return;
        }

        console.log(`Dish: '${dish.name}' => Price: $${finalPrice}`);
    }
}

// Call getPrices()
// getPrices(true);
// console.log("\n");
// getPrices(false);

// OUTPUTS
/**
Dish: 'Italian pasta' => Price: $11.46
Dish: 'Rice with veggies' => Price: $10.38
Dish: 'Chicken with potatoes' => Price: $18.66
Dish: 'Vegetarian Pizza' => Price: $7.74

Dish: 'Italian pasta' => Price: $9.55
Dish: 'Rice with veggies' => Price: $8.65
Dish: 'Chicken with potatoes' => Price: $15.55
Dish: 'Vegetarian Pizza' => Price: $6.45
*/


// Implement getDiscount()
function getDiscount(taxBoolean, guests) {
    getPrices(taxBoolean);
    let condition = typeof(guests) === 'number' && guests > 0 && guests < 30;

    if (condition) {
        let discount = 0;

        if (guests < 5) {
            discount = 5;
        } else if (guests >= 5) {
            discount = 10;
        }
        console.log(`Discount is: $${discount}`);
    } else {
        console.log("The second argument must be a number between 0 and 30");
    }
}

// Call getDiscount()
getDiscount(true, 2);
console.log("\n");
getDiscount(false, 10);
console.log("\n");
getDiscount(true, true);

// OUTPUTS
/**
Dish: 'Italian pasta' => Price: $11.46
Dish: 'Rice with veggies' => Price: $10.38
Dish: 'Chicken with potatoes' => Price: $18.66
Dish: 'Vegetarian Pizza' => Price: $7.74
Discount is: $5

Dish: 'Italian pasta' => Price: $9.55
Dish: 'Rice with veggies' => Price: $8.65
Dish: 'Chicken with potatoes' => Price: $15.55
Dish: 'Vegetarian Pizza' => Price: $6.45
Discount is: $10

Dish: 'Italian pasta' => Price: $11.46
Dish: 'Rice with veggies' => Price: $10.38
Dish: 'Chicken with potatoes' => Price: $18.66
Dish: 'Vegetarian Pizza' => Price: $7.74
The second argument must be a number between 0 and 30
*/

// module.exports = index;