notes.js

const fs = require('fs')

const getNotes = () => {

}

const addNote = (title, body) => {
    const notes = loadNotes()

    const duplicateNotes = notes.filter((note)=> {
        return note.title === title
    })

   
    if(duplicateNotes.length === 0){
        notes.push({
            title:title,
            body:body
        })
        saveNotes(notes)
        console.log('New notes Added!')
    }
    else{
        console.log('Note title taken!')
    }

    

    
}

const saveNotes = (notes) =>{
    const dataJSON = JSON.stringify(notes)
    fs.writeFileSync('notes.json', dataJSON)

}

const loadNotes = () =>{
    try{
    const dataBuffer = fs.readFileSync('notes.json')
    const dataJSON = dataBuffer.toString()
    return JSON.parse(dataJSON)
    }
    catch(e){
        return []
    }
    
}

const removeNote = (title) =>{
    const notes = loadNotes()

    const keepNote = notes.filter((note)=>{
        return note.title !== title
    })

    saveNotes(keepNote)
}

module.exports = {
    getNotes: getNotes,
    addNote: addNote,
    removeNote: removeNote
}