// 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) {
    entries, size := h.cache.Stats()
    
    stats := map[string]interface{}{
        "entries": entries,
        "size":    size,
    }
    
    w.Header().Set("Content-Type", "application/json")
    json.NewEncoder(w).Encode(stats)
}