/* eslint-disable no-console */
const app = require('vn-loopback/server/server');
let dataSources = require('../loopback/server/datasources.json');

async function init() {
    console.log('Initializing backend.');

    dataSources = JSON.parse(JSON.stringify(dataSources));
    Object.assign(dataSources.vn, {
        host: process.env.DB_HOST,
        port: process.env.DB_PORT
    });
    const bootOptions = {dataSources};
    await new Promise((resolve, reject) => {
        app.boot(bootOptions,
            err => err ? reject(err) : resolve());
    });
    // FIXME: Workaround to wait for loopback to be ready
    app.emit('started');
    await app.models.Application.status();
}

async function deinit() {
    console.log('Stopping backend.');
    await app.disconnect();
}

module.exports = {
    init,
    deinit
};

if (require.main === module)
    init();