#!/usr/bin/env node

/**
 * Module dependencies.
 */

//  var { app, server } = require("../app");
var debug = require("debug")("eld-backend:server");
var http = require("http");
var mongoose = require("mongoose");
const { Server } = require("socket.io");
var config = require("config");
const cors = require("cors");
var cookieParser = require("cookie-parser");
var logger = require("morgan");
var createError = require("http-errors");
var express = require("express");
var path = require("path");
var app = express();

app.use(cors());

// view engine setup
app.set("views", path.join(__dirname, "views"));
app.set("view engine", "ejs");
// app.use(expressLayouts);
// app.set("layout", "layouts/layout");

app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, "public")));

var port = normalizePort(process.env.PORT || "8080");
app.set("port", port);

var server = http.createServer(app);
const io = new Server(server);
/**
 * Create HTTP server.
 */

server.listen(port);
server.on("error", onError);
server.on("listening", onListening);

/**
 * Normalize a port into a number, string, or false.
 */

function normalizePort(val) {
  var port = parseInt(val, 10);

  if (isNaN(port)) {
    // named pipe
    return val;
  }

  if (port >= 0) {
    // port number
    return port;
  }

  return false;
}

/**
 * Event listener for HTTP server "error" event.
 */

function onError(error) {
  if (error.syscall !== "listen") {
    throw error;
  }

  var bind = typeof port === "string" ? "Pipe " + port : "Port " + port;

  // handle specific listen errors with friendly messages
  switch (error.code) {
    case "EACCES":
      console.error(bind + " requires elevated privileges");
      process.exit(1);
      break;
    case "EADDRINUSE":
      console.error(bind + " is already in use");
      process.exit(1);
      break;
    default:
      throw error;
  }
}

/**
 * Event listener for HTTP server "listening" event.
 */

function onListening() {
  var addr = server.address();
  var bind = typeof addr === "string" ? "pipe " + addr : "port " + addr.port;
  debug("Listening on " + bind);

  const db = config.get("db");

  mongoose
    .connect(db, {
      useNewUrlParser: true,
      useUnifiedTopology: true,
      socketTimeoutMS: 0,
    })
    .then(() => {
      console.log(`Connected to db...`, db);
      // require("../seeder-utils")();
    })
    .catch((err) => {
      console.log(err);
    });
}

module.exports = { app, io };
