notes.js

const fs = require('fs')

var fetchNotes = () => {
    var notes = []
    try {
        var notesString = fs.readFileSync("notes-data.json")
        notes = JSON.parse(notesString)
    } catch (e) {

    }
    return notes
}

var saveNotes = (notes) => {
    fs.writeFileSync("notes-data.json", JSON.stringify(notes))
}

var addNote = (title, body) => {
    var notes = fetchNotes()
    var note = {
        title,
        body
    }
    var duplicateNotes = notes.filter((note) => note.title === title)

    if (duplicateNotes.length == 0) {
        notes.push(note)
        saveNotes(notes)
        return note
    }
}
var getAllNotes = () => {
    return fetchNotes()
}
var getNote = (title) => {
    var notes = fetchNotes()
    var filteredNotes = notes.filter((note) => note.title === title)
    return filteredNotes[0]
}
var removeNote = (title) => {
    var notes = fetchNotes()
    var filteredNotes = notes.filter((note) => note.title !== title)
    saveNotes(filteredNotes)
    return notes.length !== filteredNotes.length
}
var logNote = (note) => {
    debugger
    console.log('=========')
    console.log(`Title : ${note.title}`)
    console.log(`Body : ${note.body}`)
}


module.exports = {
    addNote,
    getAllNotes,
    getNote,
    removeNote,
    logNote
}