package services

import (
	"database/sql"
	"testing"
)

func newTestStore(t *testing.T) *SuiStore {
	t.Helper()

	db, err := sql.Open("sqlite", ":memory:")
	if err != nil {
		t.Fatalf("open sqlite: %v", err)
	}
	t.Cleanup(func() {
		_ = db.Close()
	})

	if err := Migrate(db); err != nil {
		t.Fatalf("migrate: %v", err)
	}

	return &SuiStore{DB: db}
}

func TestMigrateCreatesDefaultDataOnce(t *testing.T) {
	store := newTestStore(t)

	if err := Migrate(store.DB); err != nil {
		t.Fatalf("second migrate: %v", err)
	}

	var hotkeyCount int
	if err := store.DB.QueryRow("SELECT COUNT(*) FROM hotkeys").Scan(&hotkeyCount); err != nil {
		t.Fatalf("count hotkeys: %v", err)
	}
	if hotkeyCount != 2 {
		t.Fatalf("hotkey count = %d, want 2", hotkeyCount)
	}

	var lang string
	if err := store.DB.QueryRow("SELECT value FROM appconfig WHERE key = 'language'").Scan(&lang); err != nil {
		t.Fatalf("query language: %v", err)
	}
	if lang != "zh" {
		t.Fatalf("language = %q, want zh", lang)
	}
}

func TestAppConfigServiceLanguage(t *testing.T) {
	store := newTestStore(t)
	service := NewAppConfigService(store)

	if got := service.GetLanguage(); got != "zh" {
		t.Fatalf("default language = %q, want zh", got)
	}

	if err := service.SetLanguage("en"); err != nil {
		t.Fatalf("set language: %v", err)
	}
	if got := service.GetLanguage(); got != "en" {
		t.Fatalf("updated language = %q, want en", got)
	}
}