package config

import (
	"path/filepath"
	"testing"

	"jiggablend/internal/database"
)

func newTestConfig(t *testing.T) *Config {
	t.Helper()
	db, err := database.NewDB(filepath.Join(t.TempDir(), "cfg.db"))
	if err != nil {
		t.Fatalf("NewDB failed: %v", err)
	}
	t.Cleanup(func() { _ = db.Close() })
	return NewConfig(db)
}

func TestSetGetExistsDelete(t *testing.T) {
	cfg := newTestConfig(t)

	if err := cfg.Set("alpha", "1"); err != nil {
		t.Fatalf("Set failed: %v", err)
	}
	v, err := cfg.Get("alpha")
	if err != nil {
		t.Fatalf("Get failed: %v", err)
	}
	if v != "1" {
		t.Fatalf("unexpected value: %q", v)
	}

	exists, err := cfg.Exists("alpha")
	if err != nil {
		t.Fatalf("Exists failed: %v", err)
	}
	if !exists {
		t.Fatal("expected key to exist")
	}

	if err := cfg.Delete("alpha"); err != nil {
		t.Fatalf("Delete failed: %v", err)
	}
	exists, err = cfg.Exists("alpha")
	if err != nil {
		t.Fatalf("Exists after delete failed: %v", err)
	}
	if exists {
		t.Fatal("expected key to be deleted")
	}
}

func TestGetIntWithDefault_AndMinimumFrameTask(t *testing.T) {
	cfg := newTestConfig(t)
	if got := cfg.GetIntWithDefault("missing", 17); got != 17 {
		t.Fatalf("expected default value, got %d", got)
	}
	if err := cfg.SetInt(KeyFramesPerRenderTask, 0); err != nil {
		t.Fatalf("SetInt failed: %v", err)
	}
	if got := cfg.GetFramesPerRenderTask(); got != 1 {
		t.Fatalf("expected clamped value 1, got %d", got)
	}
}