"use strict";

const express = require('express');
const router = express.Router();
const sql = require('../../services/sql');
const auth = require('../../services/auth');
const utils = require('../../services/utils');

router.get('', auth.checkApiAuth, async (req, res, next) => {
    res.send(await getRecentNotes());
});

router.put('/:noteId', auth.checkApiAuth, async (req, res, next) => {
    await sql.replace('recent_notes', {
        note_id: req.params.noteId,
        date_accessed: utils.nowTimestamp()
    });

    res.send(await getRecentNotes());
});

router.delete('/:noteId', auth.checkApiAuth, async (req, res, next) => {
    await sql.remove('recent_notes', req.params.noteId);

    res.send(await getRecentNotes());
});

async function getRecentNotes() {
    await deleteOld();

    return await sql.getResults("SELECT * FROM recent_notes ORDER BY date_accessed DESC");
}

async function deleteOld() {
    const cutoffDateAccessed = await sql.getSingleValue("SELECT date_accessed FROM recent_notes ORDER BY date_accessed DESC LIMIT 100, 1");

    if (cutoffDateAccessed) {
        await sql.execute("DELETE FROM recent_notes WHERE date_accessed < ?", [cutoffDateAccessed]);
    }
}

module.exports = router;