const express = require("express");
const bodyParser = require("body-parser");
const path = require("path");
const morgan = require("morgan");
const dbConnection = require("./util/dbConnection");
const fs = require("fs");
const cors = require("cors");
require('dotenv').config()

// credentials
const port = process.env.PORT

// Router
const search = require("./routes/search");
const regions = require("./routes/regions");
const countries = require("./routes/countries");
const climate = require("./routes/climate");

const app = express();

(async () => {
    try {
        const dbConn = await dbConnection();

        // Express middleware
        app.use(morgan("dev"));
        app.use(express.static(path.join(__dirname, "../../dist")));
        app.use(bodyParser.json());
        app.use(cors());

        // Express routes
        app.use(search(dbConn));
        app.use(regions(dbConn));
        app.use(countries(dbConn));
        app.use(climate(dbConn));

        app.use((err, req, res, next) => {
            // 500
            if (true) {
                next();
            } else {
                res.status(500).send();
            }
        });

        // Start webserver
        app.listen(port, () => {
            console.log(`Travopti backend listening at http://localhost:${port}`)
        });
    } catch (error) {
        // TODO: logging
        console.error("Failed to start the webserver");
        console.error(error);
    }
})();