package webui

import (
	"encoding/json"
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"
	"time"

	"bee/audit/internal/app"
)

func TestSystemTimeEndpointReportsEpochLocalTimeAndTimezone(t *testing.T) {
	before := time.Now().Add(-time.Second).UnixMilli()
	rec := httptest.NewRecorder()
	NewHandler(HandlerOptions{}).ServeHTTP(rec, httptest.NewRequest(http.MethodGet, "/api/system/time", nil))
	after := time.Now().Add(time.Second).UnixMilli()

	if rec.Code != http.StatusOK {
		t.Fatalf("status = %d, want %d", rec.Code, http.StatusOK)
	}
	var body struct {
		EpochMS   int64  `json:"epoch_ms"`
		LocalTime string `json:"local_time"`
		Timezone  string `json:"timezone"`
	}
	if err := json.Unmarshal(rec.Body.Bytes(), &body); err != nil {
		t.Fatalf("decode response: %v", err)
	}
	if body.EpochMS < before || body.EpochMS > after {
		t.Fatalf("epoch_ms = %d, want value in [%d, %d]", body.EpochMS, before, after)
	}
	if _, err := time.ParseInLocation("2006-01-02 15:04:05", body.LocalTime, time.Local); err != nil {
		t.Fatalf("local_time = %q: %v", body.LocalTime, err)
	}
	if strings.TrimSpace(body.Timezone) == "" {
		t.Fatal("timezone must not be empty")
	}
}

func TestNetworkDHCPRejectsMalformedJSONBeforeChangingNetwork(t *testing.T) {
	h := &handler{opts: HandlerOptions{App: &app.App{}}}
	rec := httptest.NewRecorder()
	h.handleAPINetworkDHCP(rec, httptest.NewRequest(http.MethodPost, "/api/network/dhcp", strings.NewReader("{")))

	if rec.Code != http.StatusBadRequest {
		t.Fatalf("status = %d, want %d", rec.Code, http.StatusBadRequest)
	}
}