A few various changes

- Fixed the '-local' flag to accept host and port
- Added a '-debug' flag to accept a file to write debug log messages
- Added some logic which will force the dark background flag on if MacOS is in dark mode

cmd/dynamo-browse/main.go

@@ -10,18 +10,21 @@ import (
 	"github.com/charmbracelet/lipgloss"
 	"github.com/lmika/awstools/internal/common/ui/commandctrl"
 	"github.com/lmika/awstools/internal/common/ui/logging"
+	"github.com/lmika/awstools/internal/common/ui/osstyle"
 	"github.com/lmika/awstools/internal/dynamo-browse/controllers"
 	"github.com/lmika/awstools/internal/dynamo-browse/providers/dynamo"
 	"github.com/lmika/awstools/internal/dynamo-browse/services/tables"
 	"github.com/lmika/awstools/internal/dynamo-browse/ui"
 	"github.com/lmika/gopkgs/cli"
 	"log"
+	"net"
 	"os"
 )
 
 func main() {
 	var flagTable = flag.String("t", "", "dynamodb table name")
-	var flagLocal = flag.Bool("local", false, "local endpoint")
+	var flagLocal = flag.String("local", "", "local endpoint")
+	var flagDebug = flag.String("debug", "", "file to log debug messages")
 	flag.Parse()
 
 	ctx := context.Background()
@@ -32,9 +35,19 @@ func main() {
 	}
 
 	var dynamoClient *dynamodb.Client
-	if *flagLocal {
+	if *flagLocal != "" {
+		host, port, err := net.SplitHostPort(*flagLocal)
+		if err != nil {
+			cli.Fatalf("invalid address '%v': %v", *flagLocal, err)
+		}
+		if host == "" {
+			host = "localhost"
+		}
+		if port == "" {
+			port = "8000"
+		}
 		dynamoClient = dynamodb.NewFromConfig(cfg,
-			dynamodb.WithEndpointResolver(dynamodb.EndpointResolverFromURL("http://localhost:18000")))
+			dynamodb.WithEndpointResolver(dynamodb.EndpointResolverFromURL(fmt.Sprintf("http://%v:%v", host, port))))
 	} else {
 		dynamoClient = dynamodb.NewFromConfig(cfg)
 	}
@@ -50,14 +63,28 @@ func main() {
 	commandController := commandctrl.NewCommandController()
 	model := ui.NewModel(tableReadController, tableWriteController, commandController)
 
-	// Pre-determine if layout has dark background.  This prevents calls for creating a list to hang.
-	lipgloss.HasDarkBackground()
-
 	p := tea.NewProgram(model, tea.WithAltScreen())
 
-	closeFn := logging.EnableLogging()
+	closeFn := logging.EnableLogging(*flagDebug)
 	defer closeFn()
 
+	// Pre-determine if layout has dark background.  This prevents calls for creating a list to hang.
+	if lipgloss.HasDarkBackground() {
+		if colorScheme := osstyle.CurrentColorScheme(); colorScheme == osstyle.ColorSchemeLightMode {
+			log.Printf("terminal reads dark but really in light mode")
+			lipgloss.SetHasDarkBackground(true)
+		} else {
+			log.Printf("in dark background")
+		}
+	} else {
+		if colorScheme := osstyle.CurrentColorScheme(); colorScheme == osstyle.ColorSchemeDarkMode {
+			log.Printf("terminal reads light but really in dark mode")
+			lipgloss.SetHasDarkBackground(true)
+		} else {
+			log.Printf("cannot detect system darkmode")
+		}
+	}
+
 	log.Println("launching")
 	if err := p.Start(); err != nil {
 		fmt.Printf("Alas, there's been an error: %v", err)