// static variables and imports
import express from "express";
import {
  loginUser,
  createUser,
  updateUser,
  deleteUser,
  getAllUsers,
} from "../shared/database.js";
import dotenv from "dotenv";
import path from "path";
import axios from "axios";
import { fileURLToPath } from "url";
const app = express();
dotenv.config();
const port = 4001;

app.use(express.json());
app.use(express.static("public"));

app.use(express.urlencoded({ extended: true }));
app.set("view engine", "ejs");

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

app.listen(port, () => {
  console.log(`Server is running on http://localhost:${port}`);
});

// -- here comes the main code --
app.get("/", (req, res) => {
  res.render("index.ejs", { error: null });
});

app.post("/login", (req, res) => {
  const { username, password } = req.body;
  const apiUrl = "http://localhost:4002/login";

  axios
    .post(apiUrl, { username, password })
    .then(function (response) {
      if (response.data.loginQuery) {
        // If login is successful, redirect to the dashboard
        res.render("userView.ejs");
      } else {
        // If login fails, render the login page with an error message
        res.status(404).render("index.ejs", { error: response.data.message });
      }
    })
    .catch(function (error) {
      console.error("Error during login:", error);
      res
        .status(500)
        .render("index.ejs", { error: "An error occurred during login." });
    });
});

// error handling code
app.use((err, req, res, next) => {
  // Log the error stack and send a generic error response
  console.error(err.stack);
  res.status(500).send("Something broke!");
});