const request = require("supertest");
const app = require("../src/app");

describe("GET /search", () => {
  afterEach(() => {
    jest.restoreAllMocks();
  });

  test("returns 400 when query is missing", async () => {
    const response = await request(app).get("/search");

    expect(response.status).toBe(400);
    expect(response.text).toBe("Missing search query");
  });

  test("returns filtered search results", async () => {
    global.fetch = jest.fn().mockResolvedValue({
      json: jest.fn().mockResolvedValue({
        results: [
          {
            url: "https://example.com",
            title: "Example",
            content: "Content",
            irrelevant: "removed"
          }
        ]
      })
    });

    const response = await request(app)
      .get("/search")
      .query({ query: "nodejs" });

    expect(response.status).toBe(200);
    expect(response.headers["content-type"]).toMatch(/application\/json/);
    expect(response.headers["content-disposition"]).toContain(
      'attachment; filename="output.json"'
    );

    expect(response.body).toEqual([
      {
        url: "https://example.com",
        title: "Example",
        content: "Content"
      }
    ]);
  });
});