import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
import {
  CustomModuleRequestError,
  checkCustomModuleUrl,
  createCustomModule,
  deleteCustomModule,
  getCustomModule,
  listCustomModules,
  setCustomModulePreload,
  updateCustomModule,
} from './custom-modules-api';

const { mockFetch } = vi.hoisted(() => ({ mockFetch: vi.fn() }));

beforeEach(() => {
  mockFetch.mockReset();
  vi.stubGlobal('fetch', mockFetch);
});

afterEach(() => {
  vi.unstubAllGlobals();
});

describe('checkCustomModuleUrl', () => {
  it('nimmt eine https-Adresse an', () => {
    expect(checkCustomModuleUrl('https://a.de')).toBe('ok');
  });
  it('lehnt http und Unparsbares als notHttps ab', () => {
    expect(checkCustomModuleUrl('http://a.de')).toBe('notHttps');
    expect(checkCustomModuleUrl('kaputt')).toBe('notHttps');
    expect(checkCustomModuleUrl('javascript:alert(1)')).toBe('notHttps');
    expect(checkCustomModuleUrl('')).toBe('notHttps');
  });
  it('erkennt Zugangsdaten in der Adresse', () => {
    expect(checkCustomModuleUrl('https://u:p@a.de')).toBe('credentials');
    expect(checkCustomModuleUrl('https://u@a.de')).toBe('credentials');
  });
});

describe('custom-modules-api', () => {
  it('listCustomModules ruft GET /custom-modules mit credentials include', async () => {
    mockFetch.mockResolvedValue(new Response(JSON.stringify([{ id: 'a' }]), { status: 200 }));
    const list = await listCustomModules();
    expect(list).toEqual([{ id: 'a' }]);
    const [url, init] = mockFetch.mock.calls[0];
    expect(String(url)).toMatch(/\/custom-modules$/);
    expect(init.credentials).toBe('include');
  });

  it('getCustomModule liefert null bei 404', async () => {
    mockFetch.mockResolvedValue(new Response('{}', { status: 404 }));
    await expect(getCustomModule('x')).resolves.toBeNull();
  });

  it('getCustomModule liefert die Zeile bei 200', async () => {
    mockFetch.mockResolvedValue(new Response(JSON.stringify({ id: 'x' }), { status: 200 }));
    await expect(getCustomModule('x')).resolves.toEqual({ id: 'x' });
  });

  it('createCustomModule schickt POST mit JSON und wirft bei Fehler mit Servermeldung', async () => {
    mockFetch.mockResolvedValue(
      new Response(JSON.stringify({ message: ['Nur https'] }), { status: 400 }),
    );
    const input = { name: 'a', url: 'http://a.de', category: 'fleet' };
    const err = await createCustomModule(input).catch((e) => e);
    expect(err).toBeInstanceOf(CustomModuleRequestError);
    expect(err.status).toBe(400);
    expect(err.message).toBe('Nur https');
    const [, init] = mockFetch.mock.calls[0];
    expect(init.method).toBe('POST');
    expect(JSON.parse(init.body)).toEqual(input);
  });

  it('updateCustomModule schickt PATCH, deleteCustomModule DELETE', async () => {
    mockFetch.mockResolvedValue(new Response('{}', { status: 200 }));
    await updateCustomModule('x', { name: 'n' });
    expect(mockFetch.mock.calls[0][1].method).toBe('PATCH');
    expect(String(mockFetch.mock.calls[0][0])).toMatch(/\/custom-modules\/x$/);
    await deleteCustomModule('x');
    expect(mockFetch.mock.calls[1][1].method).toBe('DELETE');
  });
});

describe('setCustomModulePreload (quick-261008-who)', () => {
  it('ruft PUT /custom-modules/:id/preload mit JSON-Koerper und credentials include', async () => {
    mockFetch.mockResolvedValue({
      ok: true,
      status: 200,
      json: async () => ({ id: 'a b', preload: true, preloadCount: 1 }),
    });
    const res = await setCustomModulePreload('a b', true);
    expect(res).toEqual({ id: 'a b', preload: true, preloadCount: 1 });
    const [url, init] = mockFetch.mock.calls[0];
    expect(String(url)).toMatch(/\/custom-modules\/a%20b\/preload$/);
    expect(init.method).toBe('PUT');
    expect(init.credentials).toBe('include');
    expect(JSON.parse(init.body)).toEqual({ preload: true });
  });

  it('409 bleibt als CustomModuleRequestError mit Status erkennbar', async () => {
    mockFetch.mockResolvedValue({
      ok: false,
      status: 409,
      json: async () => ({ message: 'Grenze' }),
    });
    await expect(setCustomModulePreload('a', true)).rejects.toMatchObject({
      status: 409,
      message: 'Grenze',
    });
    await expect(setCustomModulePreload('a', true)).rejects.toBeInstanceOf(
      CustomModuleRequestError,
    );
  });
});