Class

class Book {
    title: string;
    price: number;
    dateOfParution: string;
    author: string;
    theme?: string[]

    constructor(
            t: string,
            p: number,
            dop: string,
            a: string,
            th?: string[]) {
        this.title = t;
        this.price = p;
        this.dateOfParution = dop;
        this.author = a;
        this.theme = th;
    }

    promo(){
        return this.price * 0.5;
    }
}

const book1 = new Book("The Great Gatsby", 20, "11/04/1955", "Tom Joe");
// console.log(book1);
// console.log(book1.promo());


const addToShelter = (obj: Book) => {
    console.log("ADDED TO SHELTER", obj);
}
// addToShelter(new Book("Nana", 5, "12/07/1905", "Zola",
//        ["Roman Historique", "Roman"]))

let onlyBook : Book[] = [];
onlyBook.push(new Book( 
                "Nana",
                5,
                "12/07/1905",
                "Zola",
                ["Roman Historique", "Roman"]))

console.log(onlyBook);

class Book {
    private bookID = 88
    readonly libraryName = "The Book Shelf"

    constructor(
        public title: string,
        public price: number,
        public dateOfParution: string,
        public author: string,
        public theme?: string[]
    ) {}

    promo(){
        console.log("ID", this.bookID);
        console.log("NAME", this.libraryName);
        // this.libraryName = 500

        return this.price * 0.5;
    }
}

const book1 = new Book("The Great Gatsby", 20, "11/04/1955", "Tom Joe");
console.log(book1);
console.log(book1.promo());
console.log(book1.libraryName);


const addToShelter = (obj: Book) => {
    console.log("ADDED TO SHELTER", obj);
}
// addToShelter(new Book("Nana", 5, "12/07/1905", "Zola",
//     ["Roman Historique", "Roman"]))

let onlyBook : Book[] = [];
onlyBook.push(new Book( 
                    "Nana",
                    5,
                    "12/07/1905",
                    "Zola",
                    ["Roman Historique", "Roman"]))
// console.log(onlyBook);

// Syntaxe sans raccourci 
class Book {
    title: string;
    price: number;
    dateOfParution: string;
    author: string;
    theme?: string[];
    private bookID = 88
    readonly libraryName = "The Book Shelf"

    constructor( 
            t: string,
            p: number,
            dop: string,
            a: string,
            th?: string[]) {
        this.title = t;
        this.price = p;
        this.dateOfParution = dop;
        this.author = a;
        this.theme = th;
    }

    promo(){
        console.log("ID", this.bookID);
        console.log("NAME", this.libraryName);
        this.libraryName = 500

        return this.price * 0.5;
    }
}

interface Country {
    name: string;
    population: number;
    lang: string[] 
}

class Norway implements Country {
    constructor(
        public name: string,
        public population: number,
        public lang: string[],
        public Capital: string
    ) {}
}
const NorwayData = new Norway('Norway', 9, ["Norwegian"], "Oslo")
console.log(NorwayData);


class France implements Country {
    constructor(
        public name: string,
        public population: number,
        public lang: string[]
    ) {}
}
const FranceData = new France(
                    'France',
                    70,
                    ["Français", "Breton","Basque"]
                 )

console.log(FranceData);

class Aquitaine extends France {}

const AquitaineData = new Aquitaine( 
                        "Aquitaine",
                        4,
                        ["Français", "Basque","Gascon"]
                    )