import express from 'express';
import { error } from '../modules/logManager';
import { pool } from '../modules/databaseManager';
import { verifyToken } from '../modules/tokenManager';
import { checkPermissions, checkBanned } from '../modules/permissionManager';
import { respondWithStatus, respondWithStatusJSON } from '../modules/requestHandler';

const router = express.Router();

router.get('/', verifyToken, checkBanned, checkPermissions('service', 1), async (req, res) => {
	try {
		const [rows] = await pool.execute('SELECT * FROM services WHERE 1');
		if (rows.length === 0) return await respondWithStatus(res, 404, 'Services not found');
		return await respondWithStatusJSON(res, 200, rows);
	}
	catch (err) {
		error(err);
		return await respondWithStatus(res, 500, 'An error has occured');
	}
});

router.post('/', verifyToken, checkBanned, checkPermissions('service', 2), async (req, res) => {
	const { name, description, price } = req.body;
	if ([ name, description, price ].every(Boolean)) {
		try {
			const [result] = await pool.execute(
				'INSERT INTO services (name, description, price) VALUES (?, ?, ?)',
				[ name, description, price ],
			);
			if (result.affectedRows === 0) return await respondWithStatus(res, 500, 'Error storing service');
			return await respondWithStatus(res, 200, 'Service created successfully');
		}
		catch (err) {
			error(err);
			return await respondWithStatus(res, 500, 'An error has occured');
		}
	}
	else {
		return await respondWithStatus(res, 400, 'Missing fields');
	}
});

router.get('/:serviceId', verifyToken, checkBanned, checkPermissions('service', 1), async (req, res) => {
	try {
		const [rows] = await pool.execute('SELECT * FROM services WHERE id = ? LIMIT 1', [req.params.serviceId]);
		if (rows.length === 0) return await respondWithStatus(res, 404, 'Services not found');
		return await respondWithStatusJSON(res, 200, rows[0]);
	}
	catch (err) {
		error(err);
		return await respondWithStatus(res, 500, 'An error has occured');
	}
});

router.patch('/:serviceId', verifyToken, checkBanned, checkPermissions('service', 2), async (req, res) => {
	try {
		const { type, value } = req.body;
		const [rows] = await pool.execute('SELECT * FROM services WHERE id = ? LIMIT 1', [req.params.serviceId]);
		if (rows.length === 0) return await respondWithStatus(res, 404, 'Service not found');

		const fields = rows.map(row => Object.keys(row));
		if (fields[0].includes(type)) {
			const [result] = await pool.execute(`UPDATE services SET ${type} = ? WHERE id = ?`, [value, req.params.serviceId]);
			if (result.affectedRows === 0) return await respondWithStatus(res, 500, 'Error updating service');
			return await respondWithStatus(res, 200, 'Service updated successfully');
		}
		else {
			return await respondWithStatus(res, 400, 'Invalid type');
		}
	}
	catch (err) {
		error(err);
		return await respondWithStatus(res, 500, 'An error has occured');
	}
});

router.put('/:serviceId', verifyToken, checkBanned, checkPermissions('service', 2), async (req, res) => {
	const id = req.params.serviceId;
	const { name, description, price } = req.body;
	if ([ name, description, price ].every(Boolean)) {
		try {
			const [rows] = await pool.execute('SELECT * FROM services WHERE id = ? LIMIT 1', [id]);

			if (rows.length === 0) {
				return await respondWithStatus(res, 404, 'Service not found');
			}
			const [result] = await pool.execute(
				'UPDATE services SET name = ?, description = ?, price = ? WHERE id = ?',
				[name, description, price, id],
			);

			if (result.affectedRows === 0) {
				return await respondWithStatus(res, 500, 'Error updating Service');
			}
			return await respondWithStatus(res, 200, 'Service updated successfully');
		}
		catch (err) {
			error(err);
			return await respondWithStatus(res, 500, 'An error has occured');
		}
	}
	else {
		return await respondWithStatus(res, 400, 'Missing fields');
	}
});

router.delete('/:serviceId', verifyToken, checkBanned, checkPermissions('service', 4), async (req, res) => {
	try {
		const [rows] = await pool.execute('SELECT * FROM services WHERE id = ? LIMIT 1', [req.params.serviceId]);
		if (rows.length === 0) return await respondWithStatus(res, 404, 'service not found');

		const [result] = await pool.execute('DELETE FROM services WHERE id = ?', [req.params.serviceId]);
		if (result.affectedRows === 0) return await respondWithStatus(res, 500, 'Error removing Service');
		return await respondWithStatus(res, 200, 'Service deleted successfully');
	}
	catch (err) {
		error(err);
		return await respondWithStatus(res, 500, 'An error has occured');
	}
});

export default router;