package registrystore

import (
	"path/filepath"
	"testing"

	"git.totmin.ru/en2zmax/addrkit/internal/domain/address"
)

func TestSaveLoadRoundTrip(t *testing.T) {
	path := filepath.Join(t.TempDir(), "registry.db")

	addr := "Станционная улица 1/1"
	p := address.Parse(addr)
	entries := []address.Entry{{
		ID: "a1", Address: addr, District: "Ленинский",
		Ordinal: p.Ordinal, NameKey: p.NameKey, StreetType: p.StreetType, StreetKey: p.StreetKey,
		House: p.House, HouseFrac: p.HouseFrac,
	}}

	if err := Save(path, "2026-10-09", entries); err != nil {
		t.Fatalf("Save: %v", err)
	}

	version, got, err := Load(path)
	if err != nil {
		t.Fatalf("Load: %v", err)
	}
	if version != "2026-10-09" {
		t.Errorf("version = %q", version)
	}
	if len(got) != 1 {
		t.Fatalf("entries = %d, want 1", len(got))
	}
	if got[0].Address != addr || got[0].District != "Ленинский" || got[0].StreetKey != p.StreetKey {
		t.Errorf("round-tripped entry mismatch: %+v", got[0])
	}
}

// TestSaveIsAtomicOverwrite verifies that re-seeding replaces the previous data
// rather than merging with it.
func TestSaveIsAtomicOverwrite(t *testing.T) {
	path := filepath.Join(t.TempDir(), "registry.db")

	if err := Save(path, "v1", []address.Entry{{ID: "x", Address: "Первая улица 1"}}); err != nil {
		t.Fatalf("Save v1: %v", err)
	}
	if err := Save(path, "v2", []address.Entry{{ID: "y", Address: "Вторая улица 2"}}); err != nil {
		t.Fatalf("Save v2: %v", err)
	}

	version, got, err := Load(path)
	if err != nil {
		t.Fatalf("Load: %v", err)
	}
	if version != "v2" || len(got) != 1 || got[0].Address != "Вторая улица 2" {
		t.Fatalf("unexpected state after overwrite: version=%q entries=%+v", version, got)
	}
}