const express = require('express');
const fs = require('fs');
const path = require('path');

const app = express();
const uploadDir = path.join(__dirname, 'uploads');

// Pastikan direktori uploads ada
if (!fs.existsSync(uploadDir)) {
    fs.mkdirSync(uploadDir);
}

function generateShortId() {
    const timestamp = Date.now().toString(36);
    const random = Math.random().toString(36).substring(2, 7);
    return `${timestamp}-${random}`;
}


app.put('/:filename', (req, res) => {
    const shortId = generateShortId();
    const filename = req.params.filename;
    const filepath = path.join(uploadDir, `${shortId}-${filename}`);
    const fileStream = fs.createWriteStream(filepath);

   req.pipe(fileStream);

    fileStream.on('finish', () => {
        const fileUrl = `https://dd5957d9-d77c-438b-8270-1fbf38f27e54-00-2459iusmnsrys.riker.replit.dev/${shortId}/${filename}`;
        res.send(`Uploaded 1 file, ${req.headers['content-length']} bytes\n\nwget ${fileUrl}\n`);

        // Hapus file setelah 24 jam
        setTimeout(() => {
            fs.unlink(filepath, (err) => {
                if (err) console.error(`Error deleting file: ${err}`);
            });
        }, 24 * 60 * 60 * 1000); // 24 jam dalam milidetik
    });

    fileStream.on('error', (err) => {
        console.error(`Error writing file: ${err}`);
        res.status(500).send('Error uploading file.');
    });
});

app.get('/:id/:filename', (req, res) => {
    const filepath = path.join(uploadDir, `${req.params.id}-${req.params.filename}`);
    res.download(filepath, req.params.filename, (err) => {
        if (err) {
            console.error(`Error downloading file: ${err}`);
            res.status(404).send('File not found.');
        }
    });
});


app.listen(3000, () => {
    console.log('Server is running on http://localhost:3000');
});