package storage

import (
	"context"
	"errors"
	"path/filepath"
	"testing"

	"gitea.unprism.ru/KRBL/mila/protocol"
)

func TestFileStorePersistsAndLoadsState(t *testing.T) {
	path := filepath.Join(t.TempDir(), "bvk_content.json")
	ctx := context.Background()

	first := NewFileStore(path)
	state := protocol.ContentState{
		Route:    "3",
		Text:     "Гостиный двор",
		Template: "main",
	}
	if err := first.Set(ctx, state); err != nil {
		t.Fatalf("set state: %v", err)
	}

	second := NewFileStore(path)
	got, err := second.Get(ctx)
	if err != nil {
		t.Fatalf("get state: %v", err)
	}

	if got.Route != state.Route || got.Text != state.Text || got.Template != state.Template {
		t.Fatalf("unexpected state: %+v", got)
	}
}

func TestFileStoreMissingFileReturnsNotReady(t *testing.T) {
	store := NewFileStore(filepath.Join(t.TempDir(), "missing.json"))

	_, err := store.Get(context.Background())
	if err == nil {
		t.Fatal("expected error")
	}
	if !errors.Is(err, protocol.ErrNotReady) {
		t.Fatalf("expected ErrNotReady, got %v", err)
	}
}