mongo.js

const mongoose = require('mongoose')

if (process.argv.length === 3 || process.argv.length === 5) {
  const password = process.argv[2]
  const url = `mongodb+srv://adeoyevictorayomikun:${password}@cluster0.yyiqado.mongodb.net/phoneBookApp?retryWrites=true&w=majority`
  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()
    })
  } else {
    const person = new Person({
      name: process.argv[3],
      number: process.argv[4],
    })
    person.save().then((result) => {
      console.log(`added ${result.name} number ${result.number} to phonebook`)
      mongoose.connection.close()
    })
  }
} else {
  console.log('Usage: node mongo.js <password> <name> <number>')
  process.exit(1)
}