import { describe, it, expect, vi, beforeEach } from 'vitest';
import { render, screen, waitFor } from '@testing-library/react';
import userEvent from '@testing-library/user-event';
import { PlaybackSpeedControl } from './PlaybackSpeedControl';
import type { PlaybackSpeed } from './PlaybackSpeedControl';

describe('PlaybackSpeedControl', () => {
  const mockOnSpeedChange = vi.fn();
  const defaultProps = {
    currentSpeed: 1 as PlaybackSpeed,
    onSpeedChange: mockOnSpeedChange,
  };

  beforeEach(() => {
    vi.clearAllMocks();
  });

  it('should render playback speed control', () => {
    render(<PlaybackSpeedControl {...defaultProps} />);

    expect(screen.getByLabelText('Vitesse de lecture: 1x')).toBeInTheDocument();
  });

  it('should display current speed', () => {
    render(<PlaybackSpeedControl {...defaultProps} currentSpeed={1.5} />);

    expect(screen.getByText('1.5x')).toBeInTheDocument();
  });

  it('should open dropdown when button is clicked', async () => {
    const user = userEvent.setup();
    render(<PlaybackSpeedControl {...defaultProps} />);

    const button = screen.getByLabelText('Vitesse de lecture: 1x');
    await user.click(button);

    await waitFor(() => {
      expect(screen.getByRole('menu')).toBeInTheDocument();
    });
  });

  it('should close dropdown when clicking outside', async () => {
    const user = userEvent.setup();
    render(
      <div>
        <PlaybackSpeedControl {...defaultProps} />
        <div data-testid="outside">Outside</div>
      </div>,
    );

    const button = screen.getByLabelText('Vitesse de lecture: 1x');
    await user.click(button);

    await waitFor(() => {
      expect(screen.getByRole('menu')).toBeInTheDocument();
    });

    const outside = screen.getByTestId('outside');
    await user.click(outside);

    await waitFor(() => {
      expect(screen.queryByRole('menu')).not.toBeInTheDocument();
    });
  });

  it('should call onSpeedChange when speed is selected', async () => {
    const user = userEvent.setup();
    render(<PlaybackSpeedControl {...defaultProps} />);

    const button = screen.getByLabelText('Vitesse de lecture: 1x');
    await user.click(button);

    await waitFor(() => {
      expect(screen.getByRole('menu')).toBeInTheDocument();
    });

    const speed15x = screen.getByText('1.5x');
    await user.click(speed15x);

    expect(mockOnSpeedChange).toHaveBeenCalledWith(1.5);
  });

  it('should display all speed options', async () => {
    const user = userEvent.setup();
    render(<PlaybackSpeedControl {...defaultProps} />);

    const button = screen.getByLabelText('Vitesse de lecture: 1x');
    await user.click(button);

    await waitFor(() => {
      const menu = screen.getByRole('menu');
      expect(menu).toBeInTheDocument();
    });

    const menu = screen.getByRole('menu');
    expect(menu).toHaveTextContent('0.5x');
    expect(menu).toHaveTextContent('0.75x');
    expect(menu).toHaveTextContent('1x');
    expect(menu).toHaveTextContent('1.25x');
    expect(menu).toHaveTextContent('1.5x');
    expect(menu).toHaveTextContent('2x');
  });

  it('should be disabled when disabled prop is true', () => {
    render(<PlaybackSpeedControl {...defaultProps} disabled={true} />);

    const button = screen.getByLabelText('Vitesse de lecture: 1x');
    expect(button).toBeDisabled();
  });

  it('should not open dropdown when disabled', async () => {
    const user = userEvent.setup();
    render(<PlaybackSpeedControl {...defaultProps} disabled={true} />);

    const button = screen.getByLabelText('Vitesse de lecture: 1x');
    await user.click(button);

    expect(screen.queryByRole('menu')).not.toBeInTheDocument();
  });

  it('should apply custom className', () => {
    render(
      <PlaybackSpeedControl {...defaultProps} className="custom-class" />,
    );

    const button = screen.getByLabelText('Vitesse de lecture: 1x');
    expect(button).toHaveClass('custom-class');
  });

  it('should handle all speed values', () => {
    const { rerender } = render(
      <PlaybackSpeedControl {...defaultProps} currentSpeed={0.5} />,
    );
    expect(screen.getByText('0.5x')).toBeInTheDocument();

    rerender(<PlaybackSpeedControl {...defaultProps} currentSpeed={0.75} />);
    expect(screen.getByText('0.75x')).toBeInTheDocument();

    rerender(<PlaybackSpeedControl {...defaultProps} currentSpeed={1} />);
    expect(screen.getByText('1x')).toBeInTheDocument();

    rerender(<PlaybackSpeedControl {...defaultProps} currentSpeed={1.25} />);
    expect(screen.getByText('1.25x')).toBeInTheDocument();

    rerender(<PlaybackSpeedControl {...defaultProps} currentSpeed={1.5} />);
    expect(screen.getByText('1.5x')).toBeInTheDocument();

    rerender(<PlaybackSpeedControl {...defaultProps} currentSpeed={1.75} />);
    expect(screen.getByText('1.75x')).toBeInTheDocument();

    rerender(<PlaybackSpeedControl {...defaultProps} currentSpeed={2} />);
    expect(screen.getByText('2x')).toBeInTheDocument();
  });
});