Merge mature Profile editor with contextual Help

internal/tui/pages.go

@@ -221,23 +221,46 @@ func (p terminalPresentation) formView(model presentationState) terminalPage {
 	if model.form.originalName != "" {
 		action = "Edit"
 	}
-	var fields strings.Builder
-	for i, label := range model.form.labels() {
-		cursor := "  "
-		if i == model.form.field {
-			cursor = "> "
-		}
-		value := model.form.valueAt(i)
-		if label != "Name" && label != "Bypass" {
-			value = profile.ObscureURL(value)
-		}
+	var fields, bypassPreview strings.Builder
+	focusLine, currentLine := 0, 0
+	for i, item := range model.form.inputs {
 		if fields.Len() > 0 {
 			fields.WriteByte('\n')
+			currentLine++
+		}
+		cursor, focus := "  ", ""
+		if i == model.form.field {
+			cursor, focus = "> ", " [focused]"
+			focusLine = currentLine
+		}
+		fmt.Fprintf(&fields, "%s%s%s: %s", cursor, item.label, focus, model.form.renderedInput(i, model.width))
+		validation := model.form.validationText(i)
+		if item.field == profile.NameField {
+			if conflict := model.form.nameConflict(model.snapshot.Profiles); conflict != "" {
+				validation = conflict
+			}
+		}
+		if validation != "" {
+			fmt.Fprintf(&fields, "\n    Error: %s", validation)
+			currentLine++
+		}
+		if item.field == profile.BypassField {
+			analysis := model.form.bypassAnalysis()
+			bypassPreview.WriteString("Normalized Bypass preview:")
+			if len(analysis) == 0 {
+				bypassPreview.WriteString(" (none)")
+			} else {
+				for _, line := range analysis {
+					bypassPreview.WriteString("\n  " + line)
+				}
+			}
 		}
-		fmt.Fprintf(&fields, "%s%s: %s", cursor, label, value)
 	}
 	secondaryHints := "?: help  q/Esc: cancel"
-	if model.form.profile.Mode == profile.SingleMode && model.form.field == 1 {
+	if model.form.currentField() == profile.BypassField {
+		secondaryHints = "PgUp/PgDn: scroll form preview  " + secondaryHints
+	}
+	if model.form.profile.Mode == profile.SingleMode && model.form.currentField() == profile.SingleURLField {
 		probeHint := "Ctrl+D: probe"
 		if model.form.probing {
 			probeHint = "Protocol Probe in progress"
@@ -246,9 +269,12 @@ func (p terminalPresentation) formView(model presentationState) terminalPage {
 	}
 	footer := "Tab/Shift+Tab/↑/↓: move  Ctrl+T: mode  Ctrl+S: save\n" + secondaryHints
 	return terminalPage{
-		header:    p.theme.title.Render(fmt.Sprintf("%s Proxy Profile — %s mode", action, model.form.profile.Mode)),
-		primary:   fields.String(),
-		footer:    footer,
-		focusLine: model.form.field,
+		header:        p.theme.title.Render(fmt.Sprintf("%s Proxy Profile — %s mode", action, model.form.profile.Mode)),
+		primary:       fields.String(),
+		context:       bypassPreview.String(),
+		footer:        footer,
+		focusLine:     focusLine,
+		contextAnchor: model.form.bypassPreviewLine,
+		anchorContext: true,
 	}
 }