tui: add paused stream CSV export and foreground editor open

1 files changed, 105 insertions, 0 deletions

diff --git a/internal/tui/eventstream/exportmodal.go b/internal/tui/eventstream/exportmodal.go
new file mode 100644
index 0000000..cf020f7
--- /dev/null
+++ b/internal/tui/eventstream/exportmodal.go
@@ -0,0 +1,105 @@
+package eventstream
+
+import (
+	"strings"
+
+	"github.com/charmbracelet/bubbles/textinput"
+	tea "github.com/charmbracelet/bubbletea"
+	"github.com/charmbracelet/lipgloss"
+)
+
+type ExportModal struct {
+	visible   bool
+	textInput textinput.Model
+	err       string
+}
+
+func NewExportModal() ExportModal {
+	input := textinput.New()
+	input.Prompt = ""
+	input.CharLimit = 0
+	input.Width = 44
+	return ExportModal{textInput: input}
+}
+
+func (m ExportModal) Visible() bool {
+	return m.visible
+}
+
+func (m ExportModal) Open(defaultName string) ExportModal {
+	m.visible = true
+	m.err = ""
+	m.textInput.SetValue(defaultName)
+	m.textInput.CursorEnd()
+	m.textInput.Focus()
+	return m
+}
+
+func (m ExportModal) Close() ExportModal {
+	m.visible = false
+	m.err = ""
+	m.textInput.Blur()
+	return m
+}
+
+// Update returns updated modal, submitted filename, and whether submit occurred.
+func (m ExportModal) Update(msg tea.Msg) (ExportModal, string, bool) {
+	if !m.visible {
+		return m, "", false
+	}
+	if keyMsg, ok := msg.(tea.KeyMsg); ok {
+		switch keyMsg.String() {
+		case "esc":
+			return m.Close(), "", false
+		case "enter":
+			filename := strings.TrimSpace(m.textInput.Value())
+			if filename == "" {
+				m.err = "filename is required"
+				return m, "", false
+			}
+			return m.Close(), filename, true
+		}
+	}
+	var cmd tea.Cmd
+	m.textInput, cmd = m.textInput.Update(msg)
+	_ = cmd
+	return m, "", false
+}
+
+func (m ExportModal) View(width, height int) string {
+	if !m.visible {
+		return ""
+	}
+	if width <= 0 {
+		width = 80
+	}
+	if height <= 0 {
+		height = 24
+	}
+	modalWidth := 74
+	if width < modalWidth+4 {
+		modalWidth = width - 4
+		if modalWidth < 44 {
+			modalWidth = 44
+		}
+	}
+
+	lines := []string{
+		"Export Stream CSV",
+		"",
+		"Filename:",
+		m.textInput.View(),
+	}
+	if m.err != "" {
+		lines = append(lines, "Error: "+m.err)
+	}
+	lines = append(lines, "", "Enter save • Esc cancel")
+
+	box := lipgloss.NewStyle().
+		Border(lipgloss.RoundedBorder()).
+		Padding(1, 2).
+		Width(modalWidth).
+		Render(strings.Join(lines, "\n"))
+
+	return lipgloss.Place(width, height, lipgloss.Center, lipgloss.Center, box)
+}