package models

import (
	"encoding/json"
	"strings"
	"testing"
	"time"
)

func TestSessionSyncIndexItemOmitsConcreteContent(t *testing.T) {
	clientID := "client-1"
	updatedAt := time.Date(2026, 7, 26, 12, 30, 0, 123000000, time.UTC)
	session := CelestiaSession{
		ID:         "session-1",
		ClientID:   &clientID,
		Title:      "现场记录",
		StartTime:  updatedAt.Add(-time.Hour),
		DurationMs: 3_600_000,
		PhotoCount: 2,
		NoteCount:  3,
		Revision:   7,
		UpdatedAt:  updatedAt,
		Events:     []TimelineEvent{{ID: "event-1"}},
		Assets:     []MediaAsset{{ID: "asset-1"}},
	}

	data, err := json.Marshal(session.SyncIndexItem())
	if err != nil {
		t.Fatalf("marshal sync index item: %v", err)
	}
	payload := string(data)
	if strings.Contains(payload, `"events"`) || strings.Contains(payload, `"assets"`) {
		t.Fatalf("sync index leaked concrete content: %s", payload)
	}
	if !strings.Contains(payload, `"updatedAt":"2026-07-26T12:30:00.123Z"`) {
		t.Fatalf("sync index missing precise updatedAt: %s", payload)
	}
	if !strings.Contains(payload, `"revision":7`) {
		t.Fatalf("sync index missing revision guard: %s", payload)
	}
}