/*
    Copyright 2026 Adobe. All rights reserved.
    This file is licensed to you under the Apache License, Version 2.0 (the
    "License"); you may not use this file except in compliance with the License.
    You may obtain a copy of the License at
    http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law
    or agreed to in writing, software distributed under the License is
    distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS OF
    ANY KIND, either express or implied. See the License for the specific
    language governing permissions and limitations under the License.
*/
import { render, screen, fireEvent } from '@testing-library/react-native';
import { useColorScheme } from 'react-native';
import DismissButton from './DismissButton';

// Mock useColorScheme
jest.mock('react-native/Libraries/Utilities/useColorScheme');
const mockUseColorScheme = useColorScheme as jest.MockedFunction<
  typeof useColorScheme
>;

describe('DismissButton', () => {
  const mockOnPress = jest.fn();

  beforeEach(() => {
    jest.clearAllMocks();
    mockUseColorScheme.mockReturnValue('light');
  });

  describe('Basic rendering', () => {
    it('should render a dismiss button with type "simple"', () => {
      render(<DismissButton onPress={mockOnPress} type="simple" />);

      const button = screen.getByText('\u00D7');
      expect(button).toBeTruthy();
    });

    it('should render a dismiss button with type "circle"', () => {
      render(<DismissButton onPress={mockOnPress} type="circle" />);

      const button = screen.getByText('\u00D7');
      expect(button).toBeTruthy();
    });

    it('should display "×" as the button text', () => {
      render(<DismissButton onPress={mockOnPress} type="simple" />);

      expect(screen.getByText('\u00D7')).toBeTruthy();
    });
  });

  describe('Press handling', () => {
    it('should call onPress when the button is pressed', () => {
      render(<DismissButton onPress={mockOnPress} type="simple" />);

      const button = screen.getByText('\u00D7');
      fireEvent.press(button);

      expect(mockOnPress).toHaveBeenCalledTimes(1);
    });

    it('should call onPress multiple times when pressed multiple times', () => {
      render(<DismissButton onPress={mockOnPress} type="circle" />);

      const button = screen.getByText('\u00D7');
      fireEvent.press(button);
      fireEvent.press(button);
      fireEvent.press(button);

      expect(mockOnPress).toHaveBeenCalledTimes(3);
    });
  });

  describe('Color scheme handling', () => {
    it('should apply light color scheme styles', () => {
      mockUseColorScheme.mockReturnValue('light');
      render(<DismissButton onPress={mockOnPress} type="simple" />);

      const text = screen.getByText('\u00D7');
      expect(JSON.stringify(text.props.style)).toContain('#000000');
    });

    it('should apply dark color scheme styles', () => {
      mockUseColorScheme.mockReturnValue('dark');
      render(<DismissButton onPress={mockOnPress} type="simple" />);

      const text = screen.getByText('\u00D7');
      expect(JSON.stringify(text.props.style)).toContain('#FFFFFF');
    });

    it('should apply correct background color for circle type in light mode', () => {
      mockUseColorScheme.mockReturnValue('light');
      const { getByTestId } = render(
        <DismissButton
          onPress={mockOnPress}
          type="circle"
          testID="dismiss-button"
        />
      );

      const button = getByTestId('dismiss-button');
      const styles = JSON.stringify(button.props.style);
      expect(styles).toContain('#0000001A');
    });

    it('should apply correct background color for circle type in dark mode', () => {
      mockUseColorScheme.mockReturnValue('dark');
      const { getByTestId } = render(
        <DismissButton
          onPress={mockOnPress}
          type="circle"
          testID="dismiss-button"
        />
      );

      const button = getByTestId('dismiss-button');
      const styles = JSON.stringify(button.props.style);
      expect(styles).toContain('#FFFFFF1A');
    });
  });

  describe('Type variations', () => {
    it('should apply simple type styles', () => {
      const { getByTestId } = render(
        <DismissButton
          onPress={mockOnPress}
          type="simple"
          testID="dismiss-button"
        />
      );

      const button = getByTestId('dismiss-button');
      expect(button.props.style).toEqual(
        expect.arrayContaining([
          expect.objectContaining({
            backgroundColor: 'transparent'
          })
        ])
      );
    });

    it('should apply circle type styles', () => {
      const { getByTestId } = render(
        <DismissButton
          onPress={mockOnPress}
          type="circle"
          testID="dismiss-button"
        />
      );

      const button = getByTestId('dismiss-button');
      const styles = JSON.stringify(button.props.style);
      expect(styles).toContain('"borderRadius":10');
      expect(styles).toContain('"width":18');
      expect(styles).toContain('"height":18');
    });
  });

  describe('Custom props and styles', () => {
    it('should accept and apply custom style props', () => {
      const customStyle = { opacity: 0.5 };
      const { getByTestId } = render(
        <DismissButton
          onPress={mockOnPress}
          type="simple"
          style={customStyle}
          testID="dismiss-button"
        />
      );

      const button = getByTestId('dismiss-button');
      expect(button.props.style).toEqual(
        expect.arrayContaining([
          expect.objectContaining({
            opacity: 0.5
          })
        ])
      );
    });

    it('should accept function-based style props', () => {
      const styleFn = jest.fn().mockReturnValue({ opacity: 0.8 });
      const { getByTestId } = render(
        <DismissButton
          onPress={mockOnPress}
          type="simple"
          style={styleFn}
          testID="dismiss-button"
        />
      );

      expect(styleFn).toHaveBeenCalled();

      const button = getByTestId('dismiss-button');
      expect(button.props.style).toEqual(
        expect.arrayContaining([
          expect.objectContaining({
            opacity: 0.8
          })
        ])
      );
    });

    it('should accept additional Pressable props', () => {
      const { getByTestId } = render(
        <DismissButton
          onPress={mockOnPress}
          type="simple"
          testID="dismiss-button"
          disabled={true}
          accessibilityLabel="Close button"
        />
      );

      const button = getByTestId('dismiss-button');
      expect(button.props.accessibilityState?.disabled).toBe(true);
      expect(button.props.accessibilityLabel).toBe('Close button');
    });
  });

  describe('Accessibility', () => {
    it('should be accessible by default', () => {
      const { getByTestId } = render(
        <DismissButton
          onPress={mockOnPress}
          type="simple"
          testID="dismiss-button"
        />
      );

      const button = getByTestId('dismiss-button');
      expect(button).toBeTruthy();
    });

    it('should accept custom accessibility props', () => {
      const { getByTestId } = render(
        <DismissButton
          onPress={mockOnPress}
          type="simple"
          testID="dismiss-button"
          accessibilityLabel="Dismiss notification"
          accessibilityHint="Double tap to close this notification"
        />
      );

      const button = getByTestId('dismiss-button');
      expect(button.props.accessibilityLabel).toBe('Dismiss notification');
      expect(button.props.accessibilityHint).toBe(
        'Double tap to close this notification'
      );
    });
  });

  describe('Positioning and layout', () => {
    it('should have absolute positioning styles', () => {
      const { getByTestId } = render(
        <DismissButton
          onPress={mockOnPress}
          type="simple"
          testID="dismiss-button"
        />
      );

      const button = getByTestId('dismiss-button');
      expect(button.props.style).toEqual(
        expect.arrayContaining([
          expect.objectContaining({
            position: 'absolute',
            top: 6,
            right: 6,
          })
        ])
      );
    });

    it('should have minimum dimensions', () => {
      const { getByTestId } = render(
        <DismissButton
          onPress={mockOnPress}
          type="simple"
          testID="dismiss-button"
        />
      );

      const button = getByTestId('dismiss-button');
      expect(button.props.style).toEqual(
        expect.arrayContaining([
          expect.objectContaining({
            minWidth: 18,
            minHeight: 18
          })
        ])
      );
    });
  });

  describe('Edge cases', () => {
    it('should handle undefined color scheme gracefully', () => {
      mockUseColorScheme.mockReturnValue(undefined as any);

      expect(() => {
        render(<DismissButton onPress={mockOnPress} type="simple" />);
      }).not.toThrow();
    });

    it('should handle null color scheme gracefully', () => {
      mockUseColorScheme.mockReturnValue(null as any);

      expect(() => {
        render(<DismissButton onPress={mockOnPress} type="simple" />);
      }).not.toThrow();
    });
  });
});