KodecoApril20Playground

import Foundation

struct Ingredient {
    var name: String
    var amount: Double
}

protocol Cookable {
    func cook()
}

protocol Edible {
    func eat()
}

struct Pizza: Cookable, Edible {
    func cook() {
        print("do something to combine your ingredients")
    }
    
    func eat() {
        print("Make sure you let me cool down first!")
    }
    
    var bread: Ingredient
    var sauce: Ingredient
    var cheese: Ingredient
}

struct Lasagna: Cookable {
    func cook() {
        print("I am using my \(onions)")
    }
    
    var onions: Ingredient
    var cheese: Ingredient
    var pasta: Ingredient
    var sauce: Ingredient
}

let onions = Ingredient(name: "Onions", amount: 2)
let tomatoSauce = Ingredient(name: "Tomato Sauce", amount: 1)
let cheese = Ingredient(name: "Mozzarella Cheese", amount: 4)
let pastaSheets = Ingredient(name: "Pasta Sheets", amount: 32)

struct PicnicBasket {
    var ingredients: [Ingredient]
    
    func getIngredient(named name: String) -> Ingredient? {
        ingredients.filter { $0.name == name }.first
    }
    
    var lasagna: Lasagna? {
        if let onions = getIngredient(named: "Onions"),
           let cheese = getIngredient(named: "Mozzarella Cheese"),
           let pasta = getIngredient(named: "Pasta Sheets"),
           let sauce = getIngredient(named: "Tomato Sauce") {
            return Lasagna(
                onions: onions,
                cheese: cheese,
                pasta: pasta,
                sauce: sauce
            )
        } else {
            return nil
        }
    }
}

let myBasket = PicnicBasket(ingredients: [onions, tomatoSauce, cheese, pastaSheets, onions])

myBasket.getIngredient(named: "Tomato Sauce")

print(myBasket.lasagna)