const Graceful = require('@ladjs/graceful');

//
// ...
//

//
// see Instance Options in the README below and examples for different projects (e.g. Koa or Express)
//
const graceful = new Graceful({
  //
  // http or net servers
  // (this supports Express/Koa/Fastify/etc)
  // (basically anything created with http.createServer or net.createServer)
  // <https://github.com/expressjs/express>
  // <https://github.com/koajs/koa>
  // <https://github.com/fastify/fastify>
  //
  servers: [],

  // bree clients
  // <https://github.com/breejs/bree>
  brees: [],

  // redis clients
  // <https://github.com/luin/ioredis>
  // <https://github.com/redis/node-redis>
  redisClients: [],

  // mongoose clients
  // <https://github.com/Automattic/mongoose>
  mongooses: [],

  // custom handlers to invoke upon shutdown
  customHandlers: [],

  // logger
  logger: console,

  // how long to wait in ms for exit to finish
  timeoutMs: 5000,

  // options to pass to `lil-http-terminator` to override defaults
  lilHttpTerminator: {},

  //
  // appends a `true` boolean value to a property of this name in the logger meta object
  // (this is useful for Cabin/Axe as it will prevent a log from being created in MongoDB)
  // (and instead of having a DB log created upon graceful exit, it will simply log to console)
  // (defer to the Forward Email codebase, specifically the logger helper)
  //
  // NOTE: if you set this to `false` then this will be ignored and no meta property will be populated
  //
  ignoreHook: 'ignore_hook',

  //
  // appends a `true` boolean value to a property of this name in the logger meta object
  // (this is useful for Cabin/Axe as it will prevent the meta object from being outputted to the logger)
  //
  hideMeta: 'hide_meta'
});

//
// NOTE: YOU MUST INVOKE `graceful.listen()` IN ORDER FOR THIS TO WORK!
//
graceful.listen();

const express = require('express');
const Graceful = require('@ladjs/graceful');

const app = express();
const server = app.listen();
const graceful = new Graceful({ servers: [server] });
graceful.listen();

const Koa = require('koa');
const Graceful = require('@ladjs/graceful');

const app = new Koa();
const server = app.listen();
const graceful = new Graceful({ servers: [server] });
graceful.listen();

const fastify = require('fastify');
const Graceful = require('@ladjs/graceful');

const app = fastify();
app.listen();

//
// NOTE: @ladjs/graceful is smart and detects `app.server` automatically
//
const graceful = new Graceful({ servers: [app] });
graceful.listen();