import db from "../sql.mjs";

export default (router, tpl) => {

    // Subscriptions Overview
    router.get('/subscriptions', async (req, res) => {
        if (!req.session) return res.redirect('/login');

        try {
            console.log('[DEBUG SUB] Fetching subscriptions for user', req.session.id);
            const subs = await db`
                SELECT 
                    s.created_at as sub_date,
                    i.id, i.dest, i.mime, i.username as uploader_name
                FROM comment_subscriptions s
                JOIN items i ON s.item_id = i.id
                WHERE s.user_id = ${req.session.id}
                ORDER BY s.created_at DESC
            `;
            console.log('[DEBUG SUB] Found', subs.length, 'subscriptions');

            const items = subs.map(i => ({
                id: i.id,
                user: i.uploader_name || 'System',
                sub_created: new Date(i.sub_date).toLocaleString(),
                thumb: `/t/${i.id}.webp`
            }));

            return res.reply({
                body: tpl.render('subscriptions', { items }, req)
            });
        } catch (e) {
            console.error('[DEBUG SUB ERROR]', e);
            return res.reply({ code: 500, body: 'Database Error' });
        }
    });

    // Unsubscribe
    router.post(/\/api\/subscriptions\/(?<itemid>\d+)\/delete/, async (req, res) => {
        if (!req.session) return res.reply({ code: 401, body: JSON.stringify({ success: false }) });

        const itemId = req.params.itemid;

        try {
            await db`DELETE FROM comment_subscriptions WHERE user_id = ${req.session.id} AND item_id = ${itemId}`;
            return res.reply({
                headers: { 'Content-Type': 'application/json' },
                body: JSON.stringify({ success: true })
            });
        } catch (e) {
            console.error(e);
            return res.reply({ code: 500, body: JSON.stringify({ success: false }) });
        }
    });

    return router;
};