const mongoose = require('mongoose')
const port = process.env.PORT || 3000
const env = process.env.NODE_ENV || 'development'
module.exports = (app) => {
    let connectionString
    if (env === 'development') {
        connectionString = process.env.MONGODB_URL
    } else if (env === 'test') {
        connectionString = process.env.MONGODB_URL
    } else if (env === 'production') {
        connectionString = process.env.MONGODB_URL
    }
    mongoose
        .connect(connectionString, {})
        .then(async function () {
            console.log('MongoDB Database Connected')
            const MyModel = mongoose.model('MyCollection', new mongoose.Schema({ name: String }))

            // Create a document to force MongoDB to actually create the DB and collection
            await MyModel.create({ name: 'test' })

            app.listen(port, function () {
                console.log('Server Started On Port ' + port)
            })
        })
        .catch(function (err) {
            console.log(err)
        })
}