"use strict";

const Promise = require("bluebird");
const path = require("path");
const knex = require("knex");
const { knexSnakeCaseMappers } = require("objection");

const models = require("./models");

let migrationsFolder = path.join(__dirname, "../migrations");

module.exports = function initialize({ knexfile }) {
	let knexInstance = knex({
		... knexfile,
		... knexSnakeCaseMappers()
	});

	let state = {
		knex: knexInstance
	};

	return Promise.try(() => {
		return knexInstance.migrate.latest({
			directory: migrationsFolder
		});
	}).then(() => {
		return {
			... state,
			db: models(state)
		};
	});
};