import type { MenuDefinition } from "@narumitw/pi-tui-kit";

export function createHerdrMenu(options: {
  settingsPath: string;
  isEnabled(): boolean;
  toggle(signal: AbortSignal): Promise<boolean>;
}): MenuDefinition<undefined, "main" | "status" | "help", "toggle"> {
  return {
    start: "main",
    screens: {
      // One setting stays on the main menu, matching /tool rather than adding a submenu.
      main: () => ({
        kind: "actions",
        title: "Herdr",
        items: [
          {
            id: "widget",
            label: `Agent widget: ${options.isEnabled() ? "On" : "Off"}`,
            description: "Show or hide sibling agents above the editor",
            action: "toggle",
          },
          { id: "status", label: "Status", to: "status" },
          { id: "help", label: "Help", to: "help" },
          { id: "close", label: "Close", close: true },
        ],
        hint: "close",
      }),
      status: () => ({
        kind: "detail",
        title: "Herdr Status",
        lines: [
          `Agent widget setting: ${options.isEnabled() ? "on" : "off"}`,
          "The widget appears only in TUI mode with recognized sibling agents.",
          "Lifecycle and metadata reporting are independent of this setting.",
          `User settings file: ${options.settingsPath}`,
        ],
        hint: "back",
      }),
      help: () => ({
        kind: "detail",
        title: "Herdr Help",
        lines: [
          "Toggle Agent widget from /herdr. Changes are saved immediately; closing does not undo them.",
          "Manual pi-herdr.json changes apply after /reload or the next session start.",
          "The widget defaults to on. Project overrides are not read.",
        ],
        hint: "back",
      }),
    },
    actions: {
      toggle: async ({ signal }) => ((await options.toggle(signal)) ? { kind: "stay" } : { kind: "rejected" }),
    },
  };
}