feat: add dedicated Profile management page

internal/tui/confirmation_dialog.go

@@ -0,0 +1,71 @@
+package tui
+
+import (
+	"fmt"
+	"strings"
+
+	"proxyctl/internal/app"
+)
+
+type confirmationResult uint8
+
+const (
+	confirmationPending confirmationResult = iota
+	confirmationAccepted
+	confirmationCancelled
+)
+
+// confirmationDialog is the reusable safe-default interaction used for
+// destructive Profile deletion and Application-requested confirmations.
+// confirmFocused is deliberately false in every new dialog.
+type confirmationDialog struct {
+	request        app.Confirmation
+	confirmFocused bool
+}
+
+func newConfirmationDialog(request app.Confirmation) confirmationDialog {
+	return confirmationDialog{request: request}
+}
+
+func (d *confirmationDialog) update(key string) confirmationResult {
+	switch key {
+	case "left", "right", "tab", "shift+tab":
+		d.confirmFocused = !d.confirmFocused
+	case "y":
+		return confirmationAccepted
+	case "n", "esc", "q":
+		return confirmationCancelled
+	case "enter":
+		if d.confirmFocused {
+			return confirmationAccepted
+		}
+		return confirmationCancelled
+	}
+	return confirmationPending
+}
+
+func (d confirmationDialog) view() string {
+	confirmLabel := d.request.ConfirmLabel
+	if confirmLabel == "" {
+		confirmLabel = "Confirm"
+	}
+	cancelLabel := d.request.CancelLabel
+	if cancelLabel == "" {
+		cancelLabel = "Cancel"
+	}
+	confirm, cancel := "  "+confirmLabel, "> "+cancelLabel
+	if d.confirmFocused {
+		confirm, cancel = "> "+confirmLabel, "  "+cancelLabel
+	}
+
+	var body strings.Builder
+	body.WriteString(d.request.Title)
+	if d.request.Summary != "" {
+		fmt.Fprintf(&body, "\n%s", d.request.Summary)
+	}
+	for _, detail := range d.request.Details {
+		fmt.Fprintf(&body, "\n• %s", detail)
+	}
+	fmt.Fprintf(&body, "\n\n%s    %s", cancel, confirm)
+	return body.String()
+}