import path from "path";
import express from "express";
import cookieParser from "cookie-parser";
import passport from "passport";
import mongoose from "mongoose";
import flash from "connect-flash";
import session from "express-session";
import MongoStore from "connect-mongo";

import config, { env, mongoDbUri, secret } from "./config";

import indexRouter from "./routes/index";

// Mongoose schema init
require("./models/users");

require("./libs/passport")(passport);

mongoose
    .connect(mongoDbUri, { useNewUrlParser: true, useUnifiedTopology: true })
    .catch(() => {
        process.exit();
    });

const sess = {
    cookie: {
        maxAge: 86400000,
    },
    secret,
    saveUninitialized: false,
    resave: false,
    store: MongoStore.create({
        mongoUrl: mongoDbUri,
        mongoOptions: { useNewUrlParser: true, useUnifiedTopology: true },
    }),
};

const app = express();

app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(flash());

app.use(session(sess));

if (["production"].indexOf(env) !== -1) {
    app.enable("trust proxy", 1);
    sess.cookie.secure = true;
    /* eslint-disable func-names */
    app.use((req, res, next) => {
        if (req.secure) {
            // request was via https, so do no special handling
            next();
        } else {
            // request was via http, so redirect to https
            res.redirect(`https://${req.headers.host}${req.url}`);
        }
    });
}

app.use(passport.initialize());
app.use(passport.session());

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

app.use(express.static(path.join(__dirname, "../public")));
app.use(
    "/libs/jquery",
    express.static(path.join(__dirname, "../node_modules/jquery/dist/"))
);
app.use(
    "/libs/mdbootstrap",
    express.static(path.join(__dirname, "../node_modules/mdbootstrap"))
);

app.use("/", indexRouter);

// Handle 404
app.use((req, res) => {
    if (req.xhr) {
        res.status(404).send({ message: "404: Not found" });
    } else {
        res.status(404).render("error", {
            page: { title: `404: Cette page n'existe pas.` },
            errorCode: 404,
            user: req.user || null,
            config,
            session: req.session || null,
            flashInfo: null,
            query: null,
            params: null,
        });
    }
});

// Handle 500
app.use((error, req, res, next) => {
    if (req.xhr) {
        res.status(error.errorCode || 500).send({ message: error.message });
    } else {
        res.status(500);
        res.render("error", {
            page: { title: "500: Oups… le serveur a crashé !", error },
            errorCode: error.errorCode || 500,
            user: req.user || null,
            config,
            session: req.session || null,
            flashInfo: null,
            query: null,
            params: null,
        });

        next();
    }
});

export default app;