import 'reflect-metadata';
import { ForbiddenException, ValidationPipe } from '@nestjs/common';
import { describe, expect, it, vi } from 'vitest';
import { ROLES_KEY } from '../auth/decorators/roles.decorator';
import { CustomModulesController } from './custom-modules.controller';
import { CreateCustomModuleDto, UpdateCustomModuleDto } from './dto/custom-module.dto';

function makeService() {
  return {
    list: vi.fn(async (..._args: unknown[]) => []),
    getOne: vi.fn(async (..._args: unknown[]) => ({})),
    create: vi.fn(async (..._args: unknown[]) => ({})),
    update: vi.fn(async (..._args: unknown[]) => ({})),
    remove: vi.fn(async (..._args: unknown[]) => ({ deleted: true })),
  };
}

const req = (tenantId?: string) => ({ tenantId }) as any;
const user = { id: 'u1', username: 'u', role: 'USER', tenantId: 't1' } as any;
const proto = CustomModulesController.prototype as any;

describe('CustomModulesController — Rollen (quick-260929-dzu)', () => {
  // Jeder Angemeldete darf persoenliche Eintraege anlegen/aendern/loeschen; die
  // Administrator-Pflicht fuer gemeinsame Eintraege prueft der Dienst (hangt
  // vom Eintrag ab, nicht von der Route) — siehe custom-modules.service.spec.ts.
  it.each([
    'list',
    'getOne',
    'create',
    'update',
    'remove',
  ])('%s traegt keine Routen-Rolle (jeder Angemeldete)', (name) => {
    expect(Reflect.getMetadata(ROLES_KEY, proto[name])).toBeUndefined();
  });

  it('haengt an Pfad custom-modules', () => {
    expect(Reflect.getMetadata('path', CustomModulesController)).toBe('custom-modules');
  });
});

describe('CustomModulesController — Mandant', () => {
  it('reicht req.tenantId an den Dienst weiter', async () => {
    const service = makeService();
    const controller = new CustomModulesController(service as any);
    await controller.list(req('t1'), user);
    await controller.getOne(req('t1'), user, 'x');
    await controller.create(req('t1'), user, { name: 'a', url: 'https://a.de', category: 'fleet' });
    await controller.update(req('t1'), user, 'x', { name: 'b' });
    await controller.remove(req('t1'), user, 'x');
    expect(service.list).toHaveBeenCalledWith('t1', user);
    expect(service.getOne).toHaveBeenCalledWith('t1', user, 'x');
    expect(service.create.mock.calls[0].slice(0, 2)).toEqual(['t1', user]);
    expect(service.update.mock.calls[0].slice(0, 3)).toEqual(['t1', user, 'x']);
    expect(service.remove).toHaveBeenCalledWith('t1', user, 'x');
  });

  it('wirft ForbiddenException ohne req.tenantId', async () => {
    const controller = new CustomModulesController(makeService() as any);
    await expect(controller.list(req(), user)).rejects.toBeInstanceOf(ForbiddenException);
    await expect(controller.getOne(req(), user, 'x')).rejects.toBeInstanceOf(ForbiddenException);
    await expect(
      controller.create(req(), user, { name: 'a', url: 'https://a.de', category: 'fleet' }),
    ).rejects.toBeInstanceOf(ForbiddenException);
    await expect(controller.remove(req(), user, 'x')).rejects.toBeInstanceOf(ForbiddenException);
  });

  it('die globale Pipe verwirft ein untergeschobenes tenantId (T-9WC-07)', async () => {
    const pipe = new ValidationPipe({ whitelist: true, transform: true });
    const out: any = await pipe.transform(
      { name: 'a', url: 'https://a.de', category: 'fleet', tenantId: 'evil' },
      { type: 'body', metatype: CreateCustomModuleDto },
    );
    expect(out).not.toHaveProperty('tenantId');
  });

  it('die globale Pipe verwirft ownerUserId, laesst shared beim Anlegen durch', async () => {
    const pipe = new ValidationPipe({ whitelist: true, transform: true });
    const out: any = await pipe.transform(
      { name: 'a', url: 'https://a.de', category: 'fleet', ownerUserId: 'evil', shared: true },
      { type: 'body', metatype: CreateCustomModuleDto },
    );
    expect(out).not.toHaveProperty('ownerUserId');
    expect(out.shared).toBe(true);
  });

  it('die globale Pipe verwirft shared und ownerUserId beim Aendern', async () => {
    const pipe = new ValidationPipe({ whitelist: true, transform: true });
    const out: any = await pipe.transform(
      { name: 'b', shared: true, ownerUserId: 'evil' },
      { type: 'body', metatype: UpdateCustomModuleDto },
    );
    expect(out).not.toHaveProperty('shared');
    expect(out).not.toHaveProperty('ownerUserId');
    expect(out.name).toBe('b');
  });
});

describe('CustomModulesController — Routen-Reihenfolge (statisch vor :id)', () => {
  it('deklariert list vor getOne', () => {
    const methods = Object.getOwnPropertyNames(CustomModulesController.prototype);
    const listIdx = methods.indexOf('list');
    const idIdx = methods.indexOf('getOne');
    expect(listIdx).toBeGreaterThanOrEqual(0);
    expect(idIdx).toBeGreaterThanOrEqual(0);
    expect(listIdx).toBeLessThan(idIdx);
  });
});