mongo.js

const mongoose = require('mongoose')

if (process.argv.length < 3) {
    console.log('invalid argument')
    process.exit(1)
}

const password = process.argv[2]
const newName = process.argv[3]
const newNumber = process.argv[4]

const url = `mongodb+srv://uglypow:${password}@fullstackopen.zqztxku.mongodb.net/phonebookApp?retryWrites=true&w=majority&appName=fullstackopen`

mongoose.set('strictQuery', false)

mongoose.connect(url)

const personSchema = new mongoose.Schema({
    name: String,
    number: String
})

const Person = mongoose.model('Person', personSchema)

if (process.argv.length === 3) {
    Person.find({}).then(result => {
        console.log('phonebook:')
        result.forEach(person => {
            console.log(`${person.name} ${person.number}`)
        })
        mongoose.connection.close()
    })
}

if (process.argv.length > 4) {
    const person = new Person({
        name: newName,
        number: newNumber
    })
    person.save().then(() => {
        console.log(`added ${newName} number ${newNumber} to phonebook`)
        mongoose.connection.close()
    })
}