init

Signed-off-by: Hadi <112569860+anotherhadi@users.noreply.github.com>

internal/util/editor.go

@@ -0,0 +1,47 @@
+package util
+
+import (
+	"os"
+	"os/exec"
+
+	tea "charm.land/bubbletea/v2"
+)
+
+type EditorFinishedMsg struct {
+	Content string
+	Err     error
+}
+
+func OpenExternalEditor(content string) tea.Cmd {
+	editor := os.Getenv("EDITOR")
+	if editor == "" {
+		editor = os.Getenv("VISUAL")
+	}
+	if editor == "" {
+		editor = "vi"
+	}
+
+	f, err := os.CreateTemp("", "jwt-tui-*.json")
+	if err != nil {
+		return func() tea.Msg { return EditorFinishedMsg{Err: err} }
+	}
+	tmpPath := f.Name()
+	if _, werr := f.WriteString(content); werr != nil {
+		f.Close()
+		os.Remove(tmpPath)
+		return func() tea.Msg { return EditorFinishedMsg{Err: werr} }
+	}
+	f.Close()
+
+	return tea.ExecProcess(exec.Command(editor, tmpPath), func(err error) tea.Msg {
+		defer os.Remove(tmpPath)
+		if err != nil {
+			return EditorFinishedMsg{Err: err}
+		}
+		data, readErr := os.ReadFile(tmpPath)
+		if readErr != nil {
+			return EditorFinishedMsg{Err: readErr}
+		}
+		return EditorFinishedMsg{Content: string(data)}
+	})
+}