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

import pool from '../db';
import { getUserData } from '../services/memberService';
import { getUserRoles } from '../services/rolesService';

router.use((req, res, next) => {
    console.log(req.user);
    console.log('Time:', Date.now())
    next()
})

//get all users
router.get('/', async (req, res) => {
    try {
        const result = await pool.query(
            `SELECT
            v.*,
            CASE
                WHEN EXISTS (
                SELECT 1
                FROM leave_of_absences l
                WHERE l.member_id = v.member_id
                    AND l.deleted = 0
                    AND UTC_TIMESTAMP() BETWEEN l.start_date AND l.end_date
                ) THEN 1 ELSE 0
            END AS on_loa
            FROM view_member_rank_status_all v;`);
        return res.status(200).json(result);
    } catch (err) {
        console.error('Error fetching users:', err);
        return res.status(500).json({ error: 'Failed to fetch users' });
    }
});

router.get('/me', async (req, res) => {
    if (req.user === undefined)
        return res.sendStatus(401)

    try {
        const { id, name, state } = await getUserData(req.user.id);
        const LOAData = await pool.query(
            `SELECT *
            FROM leave_of_absences
            WHERE member_id = ?
            AND deleted = 0 
            AND UTC_TIMESTAMP() BETWEEN start_date AND end_date;`, req.user.id);

        const roleData = await getUserRoles(req.user.id);

        const userDataFull = { id, name, state, LOAData, roleData };
        console.log(userDataFull)
        res.status(200).json(userDataFull);
    } catch (error) {
        console.error('Error fetching user data:', error);
        return res.status(500).json({ error: 'Failed to fetch user data' });
    }
})

router.get('/:id', async (req, res) => {
    try {
        const userId = req.params.id;
        const result = await pool.query('SELECT * FROM view_member_rank_status_all WHERE id = $1;', [userId]);
        if (result.rows.length === 0) {
            return res.status(404).json({ error: 'User not found' });
        }
        return res.status(200).json(result.rows[0]);
    } catch (err) {
        console.error('Error fetching user:', err);
        return res.status(500).json({ error: 'Failed to fetch user' });
    }
});

//update a user's display name (stub)
router.put('/:id/displayname', async (req, res) => {
    // Stub: not implemented yet
    return res.status(501).json({ error: 'Update display name not implemented' });
});




module.exports = router;