#!/usr/bin/env node

const util = require('./util');
const program = require('commander');
const config = require('../config');

async function createIndexes() {
  try {
    // Ensure we enable the index creation.
    config.CREATE_MONGO_INDEXES = true;

    // TODO: handle the plugin index creation?

    // Let's register the shutdown hooks.
    util.onshutdown([() => require('../services/mongoose').disconnect()]);

    // Lets create all the database indexes for the application and wait for all
    // them to finish their indexing.
    const models = [
      require('../models/action'),
      require('../models/asset'),
      require('../models/comment'),
      require('../models/setting'),
      require('../models/user'),
      require('../models/migration'),
    ];

    // Call the `.init()` method to setup all the indexes on each model.
    // `init()` returns a promise that resolves when the indexes have finished
    // building successfully. The `init()` function is idempotent, so we don't
    // have to worry about triggering an index rebuild.
    await Promise.all(models.map(Model => Model.init()));

    console.log('Indexes created');
    util.shutdown(0);
  } catch (err) {
    console.error(err);
    util.shutdown(1);
  }
}

program
  .command('createIndexes')
  .description('creates the database indexes and waits until they are created')
  .action(createIndexes);

program.parse(process.argv);

// If there is no command listed, output help.
if (process.argv.length <= 2) {
  program.outputHelp();
  util.shutdown();
}