const mongoose = require('mongoose')
const Schema = mongoose.Schema

const catSchema = new Schema({
    name: { type: String, required: true },
    age: { type: Number }
})

const Cat = mongoose.model('cats', catSchema)

mongoose.connect('mongodb://localhost:27017/animals', { useNewUrlParser: true })
    .then(() => {
        console.log('Database online!')

        Cat.create({
            name: 'Jani',
            age: 4
        })
            .then(function () {
                Cat.find({}).then(c => c.forEach(c => console.log(`Zdrasti ${c.name}. I am ${c.age} years old :)`)));
            });
    })