/*
 * Copyright (C) 2025 TomTom Navigation B.V.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import type { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { describe, expect, it, vi } from "vitest";

const mockRegisterAppTool = vi.fn();
const mockRegisterAppResourceFromPath = vi.fn().mockResolvedValue(undefined);

vi.mock("@modelcontextprotocol/ext-apps/server", () => ({
  registerAppTool: mockRegisterAppTool,
  RESOURCE_URI_META_KEY: "resourceUri",
}));

vi.mock("./helpers/resourceRegistry", () => ({
  registerAppResourceFromPath: mockRegisterAppResourceFromPath,
}));

vi.mock("../handlers/searchHandler", () => ({
  createGeocodeHandler: vi.fn(() => vi.fn()),
  createReverseGeocodeHandler: vi.fn(() => vi.fn()),
  createFuzzySearchHandler: vi.fn(() => vi.fn()),
  createPoiSearchHandler: vi.fn(() => vi.fn()),
  createNearbySearchHandler: vi.fn(() => vi.fn()),
  createPOICategoriesHandler: vi.fn(() => vi.fn()),
  createAreaSearchHandler: vi.fn(() => vi.fn()),
  createEVSearchHandler: vi.fn(() => vi.fn()),
  createSearchAlongRouteHandler: vi.fn(() => vi.fn()),
}));

const { createSearchTools } = await import("./searchTools");

describe("createSearchTools", () => {
  it("should register all 9 search tools with correct metadata", async () => {
    const mockServer = {} as McpServer;
    await createSearchTools(mockServer);

    expect(mockRegisterAppTool).toHaveBeenCalledTimes(9);

    // Verify each tool has name, options with title/description/inputSchema, and a handler
    for (const call of mockRegisterAppTool.mock.calls) {
      const [, name, options, handler] = call;
      expect(typeof name).toBe("string");
      expect(options).toHaveProperty("title");
      expect(options).toHaveProperty("description");
      expect(options).toHaveProperty("inputSchema");
      expect(typeof handler).toBe("function");
    }

    const registeredNames = mockRegisterAppTool.mock.calls.map((call: unknown[]) => call[1]);
    expect(registeredNames).toEqual(
      expect.arrayContaining([
        "tomtom-geocode",
        "tomtom-reverse-geocode",
        "tomtom-fuzzy-search",
        "tomtom-poi-search",
        "tomtom-nearby",
        "tomtom-poi-categories",
        "tomtom-area-search",
        "tomtom-ev-search",
        "tomtom-search-along-route",
      ])
    );
  });

  it("should point every search tool at the one places-and-routes app, registered once", async () => {
    const mockServer = {} as McpServer;
    await createSearchTools(mockServer);

    const uris = mockRegisterAppResourceFromPath.mock.calls
      .filter((call: unknown[]) => call[0] === mockServer)
      .map((call: unknown[]) => call[1]);
    expect(uris).toEqual(["ui://tomtom-map/places-and-routes/app.html"]);

    const toolUris = mockRegisterAppTool.mock.calls
      .filter((call: unknown[]) => call[0] === mockServer)
      .map((call: unknown[]) => (call[2] as { _meta: Record<string, unknown> })._meta.resourceUri);
    expect(new Set(toolUris)).toEqual(new Set(["ui://tomtom-map/places-and-routes/app.html"]));
  });
});