import { Platform, Dimensions } from 'react-native';
import { getDeviceInfo } from '../hooks/useDeviceInfoCollector';

jest.mock('react-native', () => ({
  Platform: {
    OS: 'ios',
    Version: '16.0',
    constants: {},
  },
  Dimensions: {
    get: jest.fn(),
  },
}));

jest.mock('react-native-device-info', () => ({
  getModel: () => 'iPhone 14',
}), { virtual: true });

const mockDimensionsGet = Dimensions.get as jest.MockedFunction<typeof Dimensions.get>;

describe('useDeviceInfoCollector', () => {
  beforeEach(() => {
    jest.clearAllMocks();
  });

  describe('getDeviceInfo', () => {
    it('should return complete device information', () => {
      mockDimensionsGet.mockImplementation((type) => {
        if (type === 'screen') {
          return { width: 390, height: 844, scale: 3, fontScale: 1 };
        }
        return { width: 390, height: 844, scale: 3, fontScale: 1 };
      });

      const deviceInfo = getDeviceInfo();

      expect(deviceInfo).toEqual({
        platform: 'ios',
        osVersion: '16.0',
        screenWidth: 390,
        screenHeight: 844,
        windowWidth: 390,
        windowHeight: 844,
        scale: 3,
        fontScale: 1,
        deviceType: 'phone',
        model: 'iPhone 14',
      });
    });

    it('should identify device as tablet when dimensions are large', () => {
      mockDimensionsGet.mockImplementation((type) => {
        if (type === 'screen') {
          return { width: 768, height: 1024, scale: 2, fontScale: 1 };
        }
        return { width: 768, height: 1024, scale: 2, fontScale: 1 };
      });

      const deviceInfo = getDeviceInfo();

      expect(deviceInfo.deviceType).toBe('tablet');
    });

    it('should identify device as phone when dimensions are small', () => {
      mockDimensionsGet.mockImplementation((type) => {
        if (type === 'screen') {
          return { width: 375, height: 812, scale: 3, fontScale: 1 };
        }
        return { width: 375, height: 812, scale: 3, fontScale: 1 };
      });

      const deviceInfo = getDeviceInfo();

      expect(deviceInfo.deviceType).toBe('phone');
    });

    it('should return model from react-native-device-info', () => {
      mockDimensionsGet.mockImplementation(() => ({
        width: 390,
        height: 844,
        scale: 3,
        fontScale: 1,
      }));

      const deviceInfo = getDeviceInfo();

      expect(deviceInfo.model).toBe('iPhone 14');
    });
  });

  describe('platform detection', () => {
    it('should detect Android platform', () => {
      (Platform.OS as any) = 'android';
      (Platform.Version as any) = 33;

      mockDimensionsGet.mockImplementation(() => ({
        width: 412,
        height: 915,
        scale: 2.625,
        fontScale: 1,
      }));

      const deviceInfo = getDeviceInfo();

      expect(deviceInfo.platform).toBe('android');
      expect(deviceInfo.osVersion).toBe('33');
    });
  });
});