package feichibridge

import (
	"os"
	"path/filepath"
	"testing"
	"time"
)

func TestStateStorePersistsAcknowledgedCursor(t *testing.T) {
	path := filepath.Join(t.TempDir(), "nested", "state.json")
	store, err := OpenStateStore(path)
	if err != nil {
		t.Fatal(err)
	}
	at := time.Date(2026, 7, 17, 12, 0, 0, 0, time.UTC)
	if err := store.CommitRealtime("LTEST32960VIN0001", at, "hash"); err != nil {
		t.Fatal(err)
	}
	if err := store.CommitBackfill("LTEST32960VIN0001", at.Add(-time.Minute)); err != nil {
		t.Fatal(err)
	}
	reopened, err := OpenStateStore(path)
	if err != nil {
		t.Fatal(err)
	}
	got := reopened.Vehicle("LTEST32960VIN0001")
	if !got.LastRealtimeTime.Equal(at) || got.LastRealtimeHash != "hash" {
		t.Fatalf("state = %#v", got)
	}
	info, err := os.Stat(path)
	if err != nil {
		t.Fatal(err)
	}
	if info.Mode().Perm() != 0o600 {
		t.Fatalf("state mode = %o", info.Mode().Perm())
	}
}