describe('ClientVersionCollector', () => {
    beforeEach(() => {
        jest.resetModules();
    });

    it('should get version from react-native-device-info default export when available', () => {
        jest.doMock('react-native-device-info', () => ({
            default: {
                getVersion: () => '3.0.0',
            },
        }), { virtual: true });

        const { getClientVersion } = require('../hooks/useClientVersionCollector');
        expect(getClientVersion()).toBe('3.0.0');
    });

    it('should get version from react-native-device-info direct export when default is not available', () => {
        jest.doMock('react-native-device-info', () => ({
            getVersion: () => '4.0.0',
        }), { virtual: true });

        const { getClientVersion } = require('../hooks/useClientVersionCollector');
        expect(getClientVersion()).toBe('4.0.0');
    });

    it('should return "unknown" when react-native-device-info is not available', () => {
        jest.doMock('react-native-device-info', () => {
            throw new Error('Module not found');
        }, { virtual: true });

        const { getClientVersion } = require('../hooks/useClientVersionCollector');
        expect(getClientVersion()).toBe('unknown');
    });

    it('should return "unknown" when react-native-device-info has no getVersion method', () => {
        jest.doMock('react-native-device-info', () => ({
            default: {},
        }), { virtual: true });

        const { getClientVersion } = require('../hooks/useClientVersionCollector');
        expect(getClientVersion()).toBe('unknown');
    });

    it('should prefer default.getVersion when both default and direct getVersion are available', () => {
        jest.doMock('react-native-device-info', () => ({
            default: {
                getVersion: () => '5.0.0',
            },
            getVersion: () => '6.0.0',
        }), { virtual: true });

        const { getClientVersion } = require('../hooks/useClientVersionCollector');
        expect(getClientVersion()).toBe('5.0.0');
    });
});