/*'use strict';

const fs = require('fs');

let rawData = fs.readFile('contacts.json');

let allContacts = JSON.parse(rawData);

*/

class Contact{
    constructor() {
        this.contacts = [];

        // this.contacts = allContacts;
    }

    getAllContacts(){
        return this.contacts;
    }

    getContactsByID(id){
        return this.contacts.find(contact => contact.id === id);
    }

    createContact(contact){
        contact.id = this.contacts.length + 1;
        this.contacts.push(contact);

        return contact;
    }

    updateContactByID(id, updatedValue){
        let index = this.contacts.findIndex(contact => contact.id === id);

        this.contacts[index].name = updatedValue.name || this.contacts.name;
        this.contacts[index].phone = updatedValue.phone || this.contacts.phone;

        return this.contacts[index];
    }

    deleteContactByID(id){
        let index = this.contacts.findIndex(contact => contact.id === id);
        this.contacts = this.contacts.filter(contact => contact.id !== id);
    }

}


module.exports = new Contact()