VERSION = require(pathThumbnails + "/VERSION.js");
var secure = false;
var path = require("path");
try {
  var cert_config = require(path.join(
    path.join(__dirname, "../config/"),
    "cert_config.js"
  ));
  var fs = require("fs");
  var privateKey = fs.readFileSync(cert_config.privateKey).toString();
  var certificate = fs.readFileSync(cert_config.certificate).toString();
  var ca = fs.readFileSync(cert_config.ca).toString();
  var credentials = {
    key: privateKey,
    cert: certificate,
    ca: ca
  };
  secure = true;
} catch (err) {}

var add = "";
var express = require("express");
var app = express();
var compression = require("compression");
var exphbs = require("express-handlebars");
var cors = require("cors");
var Functions = require(pathThumbnails + "/handlers/functions.js");

var hbs = exphbs.create({
  defaultLayout: publicPath + "/layouts/client/main",
  layoutsDir: publicPath + "/layouts/client",
  partialsDir: publicPath + "/partials",
  helpers: {
    if_equal: function(a, b, opts) {
      if (a == b) {
        return opts.fn(this);
      } else {
        return opts.inverse(this);
      }
    },
    decodeString: function(s) {
      if (s == undefined) return s;
      return Functions.decodeChannelName(s);
    }
  }
});
var uniqid = require("uniqid");
app.use(compression({ filter: shouldCompress }));

function shouldCompress(req, res) {
  if (req.headers["x-no-compression"]) {
    // don't compress responses with this request header
    return false;
  }

  // fallback to standard filter function
  return compression.filter(req, res);
}

app.engine("handlebars", hbs.engine);
app.set("view engine", "handlebars");
app.enable("view cache");
app.set("views", publicPath);
app.set("trust proxy", "127.0.0.1");

var bodyParser = require("body-parser");
var cookieParser = require("cookie-parser");
var referrerPolicy = require("referrer-policy");
var helmet = require("helmet");
var featurePolicy = require("feature-policy");
app.use(
  featurePolicy({
    features: {
      fullscreen: ["*"],
      //vibrate: ["'none'"],
      payment: ["'none'"],
      microphone: ["'none'"],
      camera: ["'none'"],
      speaker: ["*"],
      syncXhr: ["'self'"]
      //notifications: ["'self'"]
    }
  })
);
app.use(
  helmet({
    frameguard: false
  })
);
app.use(referrerPolicy({ policy: "origin-when-cross-origin" }));
app.use(bodyParser.json()); // to support JSON-encoded bodies
app.use(
  bodyParser.urlencoded({
    // to support URL-encoded bodies
    extended: true
  })
);
app.use(cookieParser());
//app.set('json spaces', 2);

io = require("socket.io")({
  pingTimeout: 25000
  //path: '/zoff',
  //"origins": ("https://zoff.me:443*,https://zoff.me:8080*,zoff.me:8080*,https://remote.zoff.me:443*,https://remote.zoff.me:8080*,https://fb.zoff.me:443*,https://fb.zoff.me:8080*,https://admin.zoff.me:443*,https://admin.zoff.me:8080*, http://localhost:8080*")});
});

var socketIO = require(pathThumbnails + "/handlers/io.js");
socketIO();

app.socketIO = io;

/* Globally needed "libraries" and files */
var router = require(pathThumbnails + "/routing/client/router.js");
var api_file = require(pathThumbnails + "/routing/client/api.js");
var api = api_file.router;
api_file.sIO = app.socketIO;
var ico_router = require(pathThumbnails + "/routing/client/icons_routing.js");

app.get("/robots.txt", function(req, res) {
  res.type("text/plain");
  res.send("User-agent: *\nAllow: /$\nDisallow: /");
});

app.use(function(req, res, next) {
  var cookie = req.cookies._uI;
  var skipElements = [
    "/_embed",
    "/assets/manifest.json",
    "/apple-touch-icon.png"
  ];
  if (skipElements.indexOf(req.originalUrl) > -1) {
    res.header("Access-Control-Allow-Origin", "*");
    res.header(
      "Access-Control-Allow-Headers",
      "Origin, X-Requested-With, Content-Type, Accept"
    );
    next();
  } else {
    if (req.originalUrl.split("/").length > 3) {
      res.header("Access-Control-Allow-Origin", "*");
      res.header(
        "Access-Control-Allow-Headers",
        "Origin, X-Requested-With, Content-Type, Accept"
      );
      next();
    } else {
      if (cookie === undefined) {
        try {
          //console.error((new Date), "originalUrl", req.originalUrl);
          //console.error((new Date), "couldn't fetch cookie for some reason, maybe no cookie exists?", req.get('origin'), "couldn't fetch cookie for some reason, maybe no cookie exists?");
        } catch (e) {
          //console.error((new Date), "couldn't fetch origin");
        }
        var user_name = Functions.hash_pass(
          Functions.rndName(uniqid.time(), 15)
        );
        res.cookie("_uI", user_name, {
          maxAge: 365 * 10000 * 3600000,
          httpOnly: true,
          secure: secure
          //sameSite: true,
        });
      } else {
        //process.stderr.write((new Date), "couldn't fetch cookie for some reason, maybe no cookie exists?", req, "couldn't fetch cookie for some reason, maybe no cookie exists?");
        res.cookie("_uI", cookie, {
          maxAge: 365 * 10000 * 3600000,
          httpOnly: true,
          secure: secure
          //sameSite: true,
        });
      }
      res.header("Access-Control-Allow-Origin", "*");
      res.header(
        "Access-Control-Allow-Headers",
        "Origin, X-Requested-With, Content-Type, Accept"
      );
      next();
    }
  }
});

app.use("/service-worker.js", function(req, res) {
  res.sendFile(publicPath + "/service-worker.js");
});

app.use("/", ico_router);
app.use("/", api);
app.use("/", cors(), router);

app.use("/assets/js", function(req, res, next) {
  res.sendStatus(403);
  return;
});

app.use("/assets/admin", function(req, res, next) {
  res.sendStatus(403);
  return;
});

app.use("/assets", express.static(publicPath + "/assets"));

app.use(function(req, res, next) {
  res.status(404);
  res.redirect("/404");
});

module.exports = app;