import { beforeEach, expect, it, vi } from "vitest";

const { createSummonCapability } = vi.hoisted(() => ({
  createSummonCapability: vi.fn(() => "summon-token"),
}));

vi.mock("./messages", () => ({ createSummonCapability }));

type CommandListener = (command: string) => void | Promise<void>;

let listener: CommandListener;
let sendMessage: ReturnType<typeof vi.fn>;

beforeEach(async () => {
  vi.resetModules();
  createSummonCapability.mockClear();
  sendMessage = vi.fn(
    (
      _tabId: number,
      message: { type?: string },
      optionsOrCallback?: { frameId?: number } | ((response: unknown) => void),
    ) => {
      if (message.type === "PING" && typeof optionsOrCallback === "function") {
        optionsOrCallback({ ok: true });
      }
      return Promise.resolve({ ok: true });
    },
  );
  (globalThis as { chrome?: unknown }).chrome = {
    runtime: { lastError: undefined },
    commands: { onCommand: { addListener: vi.fn((next: CommandListener) => { listener = next; }) } },
    tabs: {
      query: vi.fn(async () => [{ id: 42, url: "https://shop.example/checkout" }]),
      sendMessage,
    },
    action: { openPopup: vi.fn(async () => {}) },
  };
  const { setupCommands } = await import("./commands");
  setupCommands();
});

it("PB-26-201: summon command binds and delivers its capability to the top frame only", async () => {
  await listener("summon-inline");

  expect(createSummonCapability).toHaveBeenCalledWith(42, "https://shop.example", 0);
  expect(sendMessage).toHaveBeenCalledWith(
    42,
    { type: "SUMMON_AUTOFILL", source: "shortcut", capability: "summon-token" },
    { frameId: 0 },
  );
});