package api

import (
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/ponzischeme89/memby/server/internal/config"
)

func TestRemoteConfigSupportsETagRevalidationWithoutAuthentication(t *testing.T) {
	server := &Server{cfg: config.Config{RemoteConfig: config.DefaultRemoteConfig()}}
	first := httptest.NewRecorder()
	server.handleRemoteConfig(first, httptest.NewRequest(http.MethodGet, "/v1/config", nil))
	if first.Code != http.StatusOK {
		t.Fatalf("status = %d", first.Code)
	}
	etag := first.Header().Get("ETag")
	if etag == "" {
		t.Fatal("missing ETag")
	}
	if got := first.Header().Get("X-Memby-Config-Version"); got != "1" {
		t.Fatalf("version header = %q", got)
	}

	request := httptest.NewRequest(http.MethodGet, "/v1/config", nil)
	request.Header.Set("If-None-Match", etag)
	second := httptest.NewRecorder()
	server.handleRemoteConfig(second, request)
	if second.Code != http.StatusNotModified {
		t.Fatalf("revalidation status = %d", second.Code)
	}
}