const express = require('express');
const router = express.Router();

const db = require("../dependencies");

router.post("/reset", (req, res) => {
    db.prepare("BEGIN TRANSACTION; DELETE FROM accounts; DELETE FROM transaction_entries; DELETE FROM transactions COMMIT;")
})

var socket
function socketConnectionRequest(req, res, next) {
    const headers = {
        'Content-Type': 'text/event-stream', // To tell client, it is event stream
        'Connection': 'keep-alive', // To tell client, not to close connection
    };
    res.writeHead(200, headers);
    res.write('data: Connection Established, We\'ll now start receiving messages from the server.\n')
    socket = res
    console.log('New connection established')
}

function publishMessageToConnectedSockets(data) {
    console.log("something changed")
    socket.write(`update: ${data}\n`);
}

module.exports = { router, socketConnectionRequest, publishMessageToConnectedSockets};