const request = require('supertest');
const app = require('../src/server');
const { requireRole } = require('../middleware/role.middleware');

describe('Role Middleware', () => {
  describe('requireRole middleware', () => {
    it('should allow access for users with correct role', () => {
      // This test would need to mock JWT verification and user role
      // For now, we just verify the middleware function exists
      expect(typeof requireRole).toBe('function');
    });

    it('should deny access for users without required role', () => {
      // This test would also need mocking of JWT and role checking
      // For now, we just verify the middleware function exists
      expect(typeof requireRole).toBe('function');
    });
  });
});

// New comprehensive tests for role middleware
describe('Role Middleware - Comprehensive Tests', () => {
  const mockReq = {
    user: { role: 'user' }
  };
  
  const mockRes = {
    status: jest.fn().mockReturnThis(),
    json: jest.fn()
  };
  
  const mockNext = jest.fn();
  
  beforeEach(() => {
    jest.clearAllMocks();
  });
  
  it('should call next() when user has required role', () => {
    const middleware = requireRole(['user']);
    middleware(mockReq, mockRes, mockNext);
    expect(mockNext).toHaveBeenCalled();
  });
  
  it('should return 403 when user does not have required role', () => {
    const middleware = requireRole(['admin']);
    middleware(mockReq, mockRes, mockNext);
    expect(mockRes.status).toHaveBeenCalledWith(403);
    expect(mockRes.json).toHaveBeenCalledWith({ error: 'Forbidden' });
  });
  
  it('should return 401 when no user role is found', () => {
    const middleware = requireRole(['user']);
    const reqWithoutRole = { user: null };
    middleware(reqWithoutRole, mockRes, mockNext);
    expect(mockRes.status).toHaveBeenCalledWith(401);
    expect(mockRes.json).toHaveBeenCalledWith({ error: 'Unauthorized' });
  });
});