import express from 'express'
import db from './db.js';

/*
 * utility function to either get the value in the post data
 * or send an error message to the response.
 */
function valOrMissing(data, key, res) {
    if (!data[key]) {
        res.status(403).json({"error": `missing "${key}"`})
        return null;
    }
    return data[key];
}


// Creating an instance of Express
const app = express();
app.use(express.json()) // for parsing application/json

app.put("/note", async (req, res) => {
    const title = valOrMissing(req.body, "title", res);
    if (!title) return;
    const text = valOrMissing(req.body, "text", res);
    if (!text) return;
    const created = req.body["created"] ? Date.parse(req.body["created"]) : new Date();
    const id = await db("note").insert({
        title, text, created
    }, ["id"])
    return res.status(202).send({ "note": id[0].id });
});

app.get("/note/:id", async (req, res, next) => {
    const note = await db.from("note").where({ id: req.params.id });
    return res.status(200).send({ "note": note[0] });
});

export default app;