const express = require("express");
const db = require("../db");
const app = express.Router();
const { checkUser } = require("../auth");

app.use("/", checkUser, express.static(__dirname + "/public"));

app.post("/api/answer", checkUser, async (req, res) => {
    if (!req.body.answer || !req.body.question) return res.send("error");
    try {
        await db.query("INSERT INTO ranking_answers (question_id, user_id, answer_id) VALUE (?,?,?)", [
            parseInt(req.body.question),
            req.session.uid,
            parseInt(req.body.answer),
        ]);
        res.redirect("/poll");
    } catch (e) {
        console.error(e);
        res.json("error");
    }
});

app.get("/api/get", checkUser, async (req, res) => {
    // TODO: Add teacher questions
    const question = (
        await db.query(
            "SELECT q.id, q.question, t.name FROM ranking_questions AS q INNER JOIN types AS t ON type_id = t.id WHERE q.id NOT IN (SELECT question_id FROM ranking_answers WHERE user_id = ?) AND t.name = 'pupil' LIMIT 1",
            [req.session.uid]
        )
    )[0];
    res.json(question);
});

module.exports = app;