TP02

"use strict";

/********* TABLEAUX **********/

let tableau1 = ["Gilles","Nina","Pierre","Léa","Jacques","Anne","Fabrice","Margaux","Maxime"];
let tableau2 = [4,8,1,2,9,10,7,12,24,8,33];
let tableau3 = [32,6,90,3,12,56,22,8];





/* objets et annuaire */

let annuaire = {
    "Dumat": {
        "nom": "Dumat",
        "prenom": "Marlène",
        "email": "marlene@sarasonic.com",
        "telephone": "06.31.17.18.12"
    },
    "Lepres": {
        "nom": "Lepres",
        "prenom": "Marc",
        "telephone": "06.96.93.50.31"
    },
    "Pico": {
        "nom": "Pico",
        "prenom": "Laurent",
        "email": "laurent.pico@netur.com"
    },
    "Milon": {
        "nom": "Milon",
        "prenom": "Louise"
    }
};

// Exercice 1: Tableaux

console.log("// Tableaux");

function lastElement(tab) {
    return(tab[tab.length-1]);
}

console.log(lastElement(tableau1));

function evenFromTable(tab) {
    let tableau = [];
    for(let i = 0; i < tab.length;i++) {
        if(i%2==0) {
            tableau.push(tab[i]);
        }
    }
    return tableau;
}

console.log(evenFromTable(tableau1));

function lastElementFromTable(tab, n) {
    let tabLength = tab.length;
    if(n > tabLength) {
        console.log("La valeur de n entrée est incorrect");
    } else {
        return tab.slice(tabLength-n,tabLength);
    }
}

console.log(lastElementFromTable(tableau1,4));

function multiply(tab) {
    let res = 1;
    for(let i = 0; i < tab.length; i++) {
        res *= tab[i];
    }
    return res;
}

console.log(multiply(tableau2));

function divisibleBy(tab,n) {
    let table = [];
    for(let i = 0; i < tab.length; i++) {
        if(tab[i]%n==0) {
            table.push(tab[i])
        }
    }
    return table;
}

console.log(divisibleBy(tableau2,2));
console.log(divisibleBy(tableau2,3));

function commonElement(tab1, tab2) { // Erreur si un des tableaux est plus grand que l'autre ==> Faire un test de longeuur
    let commonElements = [];
    for(let i = 0; i < tab1.length; i++) {
        if (tab2.indexOf(tab1[i]) != -1 && commonElements.indexOf(tab1[i]) == -1) {
            commonElements.push(tab1[i]);
        }
    }
    return commonElements;
}

console.log(commonElement(tableau2,tableau3));

function distinctElement(tab1, tab2) {
    let tables = [tab1, tab2];
    let distinctElements = [];
    for(let i = 0; i < 2; i++) {
        for(let j = 0; j < tab2.length; j++) {
            if(distinctElements.indexOf(tables[i][j]) == -1) {
                distinctElements.push(tables[i][j]);
            }
        }
    }
    return distinctElements;
}

console.log(distinctElement(tableau2, tableau3));

function intToAscii(tab) {
    let string = '';
    for(let i = 0; i < tab.length; i++) {
        tab[i] = 97+tab[i]%26;
    }
    for(let j = 0; j < tab.length; j++) {
        string += String.fromCodePoint(tab[j]);
    }
    return string;
}

console.log(intToAscii(tableau2));

// Objets

console.log("// Objets");

let objet = {
    title: "un titre pour cet objet",
    liste: [5,8,19],
}

console.log(objet);

let film = {
    "movie": {
        "title": "Men in black",
        "year": 1997,
    },
    "cast": {
        "firstActor": {
            "name": "Tommy Lee Jones",
            "role": "Kay",
        },
        "secondActor": {
            "name": "Will Smith",
            "role": "Jay",
        },
        "thirdActor": {
            "name": "Linda Fiorentino",
            "role": "Laurel",
        },
    },
};

console.log(film);

// Objets, suite

console.log("// Objets, suite");

function createPoint(x,y) {
    return {"x": x, "y": y};
}

let A = createPoint(2,-6);
let B = createPoint(-2,2);
let C = createPoint(5,-3);
let D = createPoint(7, -7);

console.log("A",A, "B", B, "C", C, "D", D);

function distance(A, B) {
    return Math.sqrt((B["x"]-A["x"])**2+(B["y"]-A["y"])**2);
}

console.log(distance(A,B))

function isColinear(A,B,C,D) {
    let vect1 = [B["x"]-A["x"],B["y"]-A["y"]];
    let vect2 = [D["x"]-C["x"],D["y"]-C["y"]];
    return vect1[0]*vect2[1]==vect1[1]*vect2[0];
}

console.log(isColinear(A,B,C,D));
console.log(isColinear(A, C, D, B));

// Objets encore

console.log("// Objets encore");

console.log(Object.keys(annuaire));

console.log("L'annuaire contient t-il la clé Toto ?", annuaire.hasOwnProperty("Toto"));
console.log("L'annuaire contient t-il la clé Pico ?", annuaire.hasOwnProperty("Pico"));

function showPersons(obj) {
    for(const prop in obj) {
        if(obj[prop].hasOwnProperty("telephone")) {
            console.log(obj[prop]["prenom"], obj[prop]["nom"],"a pour téléphone", obj[prop]["telephone"]);
        } else {
            console.log(obj[prop]["prenom"], obj[prop]["nom"],"n'a pas de téléphone.");
        }
        if(obj[prop].hasOwnProperty("email")) {
            console.log(obj[prop]["prenom"], obj[prop]["nom"],"a pour addresse mail", obj[prop]["email"]);
        } else {
            console.log(obj[prop]["prenom"], obj[prop]["nom"],"n'a pas d'addresse mail");
        }
    }
}

showPersons(annuaire);