app.js

const fs = require('fs');
const _ = require('lodash');
const yargs = require('yargs');

const notes = require('./notes');

const argv = yargs
    .command('add','Add a new note',{
        title: {
            describe: 'Title of note',
            demand: true,
            alias: 't'
        },
        body: {
            describe: 'Body of note',
            demand: true,
            alias: 'b'
        }
    })
    .command('list','List all notes')
    .command('read','Read a note', {
        title: {
            describe: 'Title of note',
            demand: true,
            alias: 't'
        }
    })
    .command('remove','Reamove a note', {
        title: {
            describe: 'Title of note',
            demand: true,
            alias: 't'
        }
    })
    .help()
    .argv;
let command = argv._[0];
// console.log('Command: '+ command);
// console.log('Yargs', argv);

if(command === 'add'){
    const note = notes.addNote(argv.title, argv.body);
    if(note){
        console.log('Note created');
        notes.logNote(note);
    }else {
        console.log('Note title taken');
    }
}else if(command === 'list'){
    const allNotes = notes.getAll();
    console.log(`Printing ${allNotes.length} note(s).`);
    allNotes.forEach((note) => {
        notes.logNote(note);
    });
}else if(command === 'read') {
    const note = notes.getNote(argv.title);
    if (note) {
        console.log('Note found');
        notes.logNote(note);
    }else {
        console.log('Note not found');
    }
}else if(command === 'remove'){
    const noteRemoved = notes.removeNote(argv.title);
    let message = noteRemoved ? 'Note was removed': 'Note not found';
    console.log(message);
}else {
    console.log('Command not recognized');
}