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

internal/common/ui/events/commands.go

@@ -31,6 +31,15 @@ func PromptForInput(prompt string, onDone func(value string) tea.Cmd) tea.Cmd {
 	}
 }
 
+func Confirm(prompt string, onYes func() tea.Cmd) tea.Cmd {
+	return PromptForInput(prompt, func(value string) tea.Cmd {
+		if value == "y" {
+			return onYes()
+		}
+		return nil
+	})
+}
+
 type MessageWithStatus interface {
 	StatusMessage() string
 }

internal/common/ui/logging/debug.go

@@ -6,15 +6,18 @@ import (
 	"os"
 )
 
-func EnableLogging() (closeFn func()) {
-	tempFile, err := os.CreateTemp("", "debug.log")
-	if err != nil {
-		fmt.Println("fatal:", err)
-		os.Exit(1)
+func EnableLogging(logFile string) (closeFn func()) {
+	if logFile == "" {
+		tempFile, err := os.CreateTemp("", "debug.log")
+		if err != nil {
+			fmt.Println("fatal:", err)
+			os.Exit(1)
+		}
+		tempFile.Close()
+		logFile = tempFile.Name()
 	}
-	tempFile.Close()
 
-	f, err := tea.LogToFile(tempFile.Name(), "debug")
+	f, err := tea.LogToFile(logFile, "debug")
 	if err != nil {
 		fmt.Println("fatal:", err)
 		os.Exit(1)

internal/common/ui/osstyle/osstyle.go

@@ -0,0 +1,18 @@
+package osstyle
+
+type ColorScheme int
+
+const (
+	ColorSchemeUnknown ColorScheme = iota
+	ColorSchemeLightMode
+	ColorSchemeDarkMode
+)
+
+var getOSColorScheme func() ColorScheme = nil
+
+func CurrentColorScheme() ColorScheme {
+	if getOSColorScheme == nil {
+		return ColorSchemeUnknown
+	}
+	return getOSColorScheme()
+}

internal/common/ui/osstyle/osstyle_darwin.go

@@ -0,0 +1,27 @@
+package osstyle
+
+import (
+	"log"
+	"os/exec"
+)
+
+// Usage: https://stefan.sofa-rockers.org/2018/10/23/macos-dark-mode-terminal-vim/
+func darwinGetOSColorScheme() ColorScheme {
+	d, err := exec.Command("defaults", "read", "-g", "AppleInterfaceStyle").Output()
+	if err != nil {
+		log.Printf("cannot get current OS color scheme: %v", err)
+		return ColorSchemeUnknown
+	}
+
+	switch string(d) {
+	case "Dark\n":
+		return ColorSchemeDarkMode
+	case "Light\n":
+		return ColorSchemeLightMode
+	}
+	return ColorSchemeUnknown
+}
+
+func init() {
+	getOSColorScheme = darwinGetOSColorScheme
+}