mongo.js

const mongoose = require("mongoose");

if (process.argv.length < 3) {
  console.log("give password as argument");
  process.exit(1);
}

const password = process.argv[2];

const url = `mongodb+srv://mujtabazoroark:${password}@phonebook-cluster.tozpazh.mongodb.net/phonebookApp?retryWrites=true&w=majority`;

mongoose.set("strictQuery", false);
mongoose.connect(url);

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

const Person = mongoose.model("Person", personSchema);

if (process.argv.length > 4) {
  const person = new Person({
    id: 3,
    name: process.argv[3],
    number: process.argv[4],
  });

  person.save().then(() => {
    console.log("person saved!", person);
    mongoose.connection.close();
  });
} else {
  Person.find({}).then((result) => {
    result.forEach((person) => {
      console.log(person.name, person.number);
    });
    mongoose.connection.close();
  });
}