const express = require("express");
const auth = require("../middleware/auth");
const { asyncHandler } = require("../middleware/errorHandler");
const { getCacheStats, clearCache } = require("../middleware/cache");

const router = express.Router();

/**
 * GET /api/cache/stats
 * Get cache statistics
 * @access Private (authenticated users)
 */
router.get(
  "/stats",
  auth,
  asyncHandler(async (req, res) => {
    const stats = getCacheStats();
    res.json({
      status: "operational",
      ...stats,
      timestamp: new Date().toISOString()
    });
  })
);

/**
 * DELETE /api/cache
 * Clear all cache
 * @access Private (authenticated users - in production should be admin only)
 */
router.delete(
  "/",
  auth,
  asyncHandler(async (req, res) => {
    clearCache();
    res.json({
      msg: "Cache cleared successfully",
      timestamp: new Date().toISOString()
    });
  })
);

module.exports = router;