const express = require('express');

function buildDependencies() {
  const dependencies = {};
  const errors = require('./errors');
  const constants = require('./constants');

  const sequelize = require('./database/database');
  const { DataTypes } = require('sequelize');
  const ModelsProvider = require('./models');
  const models = new ModelsProvider({ sequelize, DataTypes }).provide();

  const AssociationsDefiner = require('./database/associations');
  new AssociationsDefiner({ models, DataTypes }).define();

  const ServicesProvider = require('./services');
  const services = new ServicesProvider({
    models,
    constants,
    errors,
  }).provide();
  dependencies.services = services;

  const MiddlewaresProvider = require('./middlewares');
  const middlewares = new MiddlewaresProvider({
    constants,
    sessionService: services.sessionService,
    profileService: services.profileService,
  }).provide();
  dependencies.middlewares = middlewares;

  const WebRoutesProvider = require('./routes/webRoutes');
  const webRoutesProvider = new WebRoutesProvider({
    express,
    middlewares,
    invitesService: services.invitesService,
  });
  dependencies.webRoutes = webRoutesProvider.provide();

  const ApiRoutesProvider = require('./routes/apiRoutes');
  const apiRoutesProvider = new ApiRoutesProvider({
    express,
    middlewares,
    services,
    errors,
  });
  dependencies.apiRoutes = apiRoutesProvider.provide();
  return dependencies;
}

module.exports = { buildDependencies };