type Pizza = {
    id: number
    name: string
    price: number
}

type Order = {
    id: number
    pizza: Pizza
    status: "ordered" | "completed"
}

let cashInRegister = 100
let nextOrderId = 1
let nextPizzaId = 1

const menu: Pizza[] = [
    { id: nextPizzaId++, name: "Margherita", price: 8 },
    { id: nextPizzaId++, name: "Pepperoni", price: 10 },
    { id: nextPizzaId++, name: "Hawaiian", price: 10 },
    { id: nextPizzaId++, name: "Veggie", price: 9 },
]

const orderQueue: Order[] = []

function addNewPizza(pizzaObj: Pizza): Pizza {
    menu.push(pizzaObj)
    return pizzaObj
}

function placeOrder(pizza: Pizza): Order | undefined {
    const newOrder: Order = { id: nextOrderId++, pizza: pizza, status: "ordered" }
    orderQueue.push(newOrder)
    cashInRegister += pizza.price
    return newOrder
}





/**
 * Challenge: add types our generic `addToArray` function. It should work
 * for adding new pizzas to the `menu` and adding new orders to the `orderQueue`
 */

function addToArray(array, item) {
    array.push(item)
    return array
}

// example usage:
addToArray(menu, {id: nextPizzaId++, name: "Chicken Bacon Ranch", price: 12 })
addToArray(orderQueue, { id: nextOrderId++, pizza: menu[2], status: "completed" })




function completeOrder(orderId: number): Order | undefined {
    const order = orderQueue.find(order => order.id === orderId)
    if (!order) {
        console.error(`${orderId} was not found in the orderQueue`)
        return
    }
    order.status = "completed"
    return order
}

export function getPizzaDetail(identifier: string | number): Pizza | undefined {
    if (typeof identifier === "string") {
        return menu.find(pizza => pizza.name.toLowerCase() === identifier.toLowerCase())
    } else if (typeof identifier === "number") {
        return menu.find(pizza => pizza.id === identifier)
    } else {
        throw new TypeError("Parameter `identifier` must be either a string or a number")
    }
}

addNewPizza({ id: nextPizzaId++, name: "Chicken Bacon Ranch", price: 12 })
addNewPizza({ id: nextPizzaId++, name: "BBQ Chicken", price: 12 })
addNewPizza({ id: nextPizzaId++, name: "Spicy Sausage", price: 11 })