import type { CompletionTemplate } from "@/domain/completion-templates/types/completion-template";
import { formatTemplateDate } from "@/domain/completion-templates/utils/format-template-date";
import type { CompletionTemplateDialogMode } from "./use-completion-template-dialog";

export function dialogHeading(
  template: CompletionTemplate | null,
  mode: CompletionTemplateDialogMode,
): { title: string; subtitle: string } {
  if (template === null) {
    return {
      title: "New Completion Document Template",
      subtitle: "Completion Document Template",
    };
  }
  if (mode === "edit") return { title: template.name, subtitle: "Editing template" };
  const createdBy = template.createdByName ?? "—";
  return {
    title: template.name,
    subtitle: `Created by ${createdBy} · Updated ${formatTemplateDate(template.lastUpdatedAt)}`,
  };
}