const express = require('express');
const { getServicesStatus, executeServiceAction, ALLOWED_SERVICES } = require('../services/rcService');

const router = express.Router();

// Middleware to check if a service name is in the whitelist before proceeding
const validateServiceWhitelist = (req, res, next) => {
    const serviceName = req.params.name;
    if (!ALLOWED_SERVICES.includes(serviceName)) {
        return res.status(400).json({ error: `Service '${serviceName}' is not in the allowed whitelist: ${ALLOWED_SERVICES.join(', ')}` });
    }
    next();
};

/**
 * GET /api/v1/services
 * Returns the status of all whitelisted services.
 */
router.get('/', (req, res) => {
    try {
        const statuses = getServicesStatus();
        res.json(statuses);
    } catch (err) {
        res.status(500).json({ error: err.message });
    }
});

/**
 * POST /api/v1/services/:name/start
 */
router.post('/:name/start', validateServiceWhitelist, (req, res) => {
    try {
        const result = executeServiceAction(req.params.name, 'start');
        res.json(result);
    } catch (err) {
        res.status(500).json({ error: err.message });
    }
});

/**
 * POST /api/v1/services/:name/stop
 */
router.post('/:name/stop', validateServiceWhitelist, (req, res) => {
    try {
        const result = executeServiceAction(req.params.name, 'stop');
        res.json(result);
    } catch (err) {
        res.status(500).json({ error: err.message });
    }
});

/**
 * POST /api/v1/services/:name/restart
 */
router.post('/:name/restart', validateServiceWhitelist, (req, res) => {
    try {
        const result = executeServiceAction(req.params.name, 'restart');
        res.json(result);
    } catch (err) {
        res.status(500).json({ error: err.message });
    }
});

module.exports = router;