// proxy/stats.go
package proxy

import (
    "encoding/json"
    "net/http"
    
    "siteproxy/cache"
)

type StatsHandler struct {
    cache *cache.MemoryCache
}

func NewStatsHandler(cache *cache.MemoryCache) *StatsHandler {
    return &StatsHandler{cache: cache}
}

func (h *StatsHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
    stats := h.cache.GetStats()
    
    w.Header().Set("Content-Type", "application/json")
    w.Header().Set("Cache-Control", "no-cache, no-store, must-revalidate")
    
    encoder := json.NewEncoder(w)
    encoder.SetIndent("", "  ")
    encoder.Encode(stats)
}