// server/app.js
import express from 'express';
import cors from 'cors';
// import multer from 'multer';
// import path from 'path';
import db from './models/db.js';
import dotenv from 'dotenv';
import emailController from "./controllers/emailController.js";

dotenv.config();

/**@typedef {import("../client/src/DBRecord.ts").DBRecord} DBRecord */

console.log("Starting Server...");
// test db connection
try {
    await db.query("SELECT 1")
    console.log("DB connection successful")
    await db.get('users', {id: 1});
    console.log("Users table exists");

    await emailController.withTimeout(emailController.transporter.verify(), 15000)
        .then(() => {
            console.log("Transporter is ready to send emails");
        })
        .catch((error) => {
            console.error("Error verifying transporter:", error);
            process.exit(1);
        });
} catch (err) {
    console.error(err);
    process.exit(1);
}

const app = express();
app.use(cors());
app.use(express.json());

// Serve static files from the client build directory
if (process.env.NODE_ENV !== 'development') app.use("/", express.static('../client/dist'));

/*const UPLOAD_FOLDER = path.join(process.cwd(), 'Scans');
const storage = multer.diskStorage({
    destination: (req, file, cb) => {
        cb(null, UPLOAD_FOLDER);
    },
    filename: (req, file, cb) => {
        cb(null, file.originalname);
    }
});
const upload = multer({storage});*/

// user routes
import userRouter from './controllers/userController.js';

app.use('/api/users', userRouter);

// email routes
app.use('/api/email', emailController.router);

// other routes

// Error handling middleware
import errorHandler from './middleware/ErrorHandler.js';

app.use(errorHandler);
// 404 handler
app.use((req, res) => {
    res.status(404).json({message: 'Route not found'});
});

const PORT = process.env.PORT || 8000;
app.listen(PORT, () => {
    console.log(`Express server running on port ${PORT}`);
});