// env variables

require("dotenv").config();

let appInsights = require("applicationinsights");

appInsights

.setup(process.env.APPINSIGHTS_INSTRUMENTATIONKEY)

.setAutoDependencyCorrelation(true)

.setAutoCollectRequests(true)

.setAutoCollectPerformance(true, true)

.setAutoCollectExceptions(true)

.setAutoCollectDependencies(true)

.setAutoCollectConsole(true)

.setUseDiskRetryCaching(true)

.setSendLiveMetrics(false)

.setAutoDependencyCorrelation(true)

.setDistributedTracingMode(appInsights.DistributedTracingModes.AI)

.start();

module.exports = {

appInsights: appInsights,

}

var express = require("express");

var bodyParser = require("body-parser");

var path = require("path");

var expressValidator = require("express-validator");

var cookieParser = require("cookie-parser");

var session = require("express-session");

var passport = require("passport");

var flash = require("connect-flash");

var app = express();

//server

var server = require("http").createServer(app);

var blogRouter = require("./routes/blogRoutes.js");

var singleRouter = require("./routes/singleRoutes.js");

var authRouter = require("./routes/authRoutes.js");

var ccRouter = require("./routes/codingChallenges.js");

//view engine

app.set("view engine", "ejs");

app.set("views", path.join(__dirname, "views"));

//Body Parser Middleware

app.use(bodyParser.json());

app.use(bodyParser.urlencoded({ extended: false }));

app.use(cookieParser());

//https://stackoverflow.com/questions/40381401/when-to-use-saveuninitialized-and-resave-in-express-session

app.use(

session({

secret: "Auth",

resave: false,

saveUninitialized: true,

})

);

//https://stackoverflow.com/questions/40381401/when-to-use-saveuninitialized-and-resave-in-express-session

//'flash' is used to flash error message in login page

app.use(flash());

//fetch passport.js and pass in 'app'

require("./config/passport.js")(app);

require("./config/strategies/local.strategy")(passport);

//Set static path

app.use("/static", express.static(path.join(__dirname, "public")));

// Mongoose ODM...

var mongoose = require("mongoose");

//connect to mongoDB

mongoose.Promise = global.Promise;

mongoose.connect(process.env.MONGODB_URI || process.env.MONGO_CRED, {

useNewUrlParser: true,

useUnifiedTopology: true,

});

//import mongodb controller to insert, search, delete article

var blogCtrl = require("./controller/blog.server.controller.js");

//Global Vars

app.use(function (req, res, next) {

res.locals.errors = null;

res.locals.data = null;

res.locals.title = null;

res.locals.articles = null;

res.locals.article = null;

res.locals.typeOfBlog = null;

res.locals.entryAdded = null;

res.locals.message = null;

res.locals.user = null;

next();

});

//routes

app.use("/", blogRouter);

app.use("/single", singleRouter);

app.use("/auth", authRouter);

app.use("/cc", ccRouter);

app.use(function (req, res, next) {

res.render("error", {

error: "The page you are requesting doesnot exist",

title: "Oops! Something went wrong",

user: req.user,

});

});

app.set("port", process.env.PORT || 3000);

//app.set('port_ip', (process.env.OPENSHIFT_NODEJS_IP || '127.0.0.1'));

let start = Date.now();

server.listen(app.get("port"), function () {

console.log("running... in port 3000");

let duration = Date.now() - start;

appInsights.defaultClient.trackMetric({

name: "server startup time",

value: duration,

});

});