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

const mocks = vi.hoisted(() => ({
  listGrantedApps: vi.fn(),
}));

vi.mock("../server/lib/mcp-gateway.js", () => ({
  listGrantedDispatchMcpApps: mocks.listGrantedApps,
}));

import listApps from "./list_apps.js";

beforeEach(() => {
  vi.clearAllMocks();
  mocks.listGrantedApps.mockResolvedValue([
    {
      id: "slides",
      name: "Slides",
      description: "Create presentations",
      url: "https://slides.example.test",
    },
    {
      id: "analytics",
      name: "Analytics",
      description: "Answer data questions",
      url: "https://analytics.example.test",
    },
  ]);
});

describe("list_apps", () => {
  it("returns a compact valid JSON message for MCP hosts", async () => {
    const result = await listApps.run({});

    expect(JSON.parse(result.message)).toEqual({
      apps: [
        { id: "slides", name: "Slides" },
        { id: "analytics", name: "Analytics" },
      ],
    });
    expect(result.apps).toEqual([
      expect.objectContaining({
        id: "slides",
        url: "https://slides.example.test",
      }),
      expect.objectContaining({
        id: "analytics",
        url: "https://analytics.example.test",
      }),
    ]);
  });
});