import { axe } from 'vitest-axe';
import type { RenderResult } from '@testing-library/react';
import { act, cleanup, render, screen } from '@testing-library/react';
import * as PasswordToggleField from './password-toggle-field';
import { afterEach, describe, it, beforeEach, expect } from 'vitest';
import { userEvent, type UserEvent } from '@testing-library/user-event';

describe('given a default PasswordToggleField', () => {
  let rendered: RenderResult;
  let user: UserEvent;

  afterEach(cleanup);

  beforeEach(() => {
    user = userEvent.setup();
    rendered = render(
      <>
        <label htmlFor="password">Password</label>
        <PasswordToggleField.Root>
          <PasswordToggleField.Input id="password" />
          <PasswordToggleField.Toggle>
            <PasswordToggleField.Slot visible="Hide" hidden="Show" />
          </PasswordToggleField.Toggle>
        </PasswordToggleField.Root>
      </>
    );
  });

  afterEach(cleanup);

  it('should have no accessibility violations', async () => {
    expect(await axe(rendered.container)).toHaveNoViolations();
  });

  it('should initially be hidden', () => {
    const toggle = screen.getByRole('button', { name: 'Show' });
    expect(toggle.textContent).toBe('Show');
  });

  it('toggles the children when clicked', async () => {
    const toggle = screen.getByRole('button', { name: 'Show' });
    await act(async () => await user.click(toggle));
    expect(toggle.textContent).toBe('Hide');
  });

  it('should initially render input as `type=password`', async () => {
    const input = screen.getByLabelText<HTMLInputElement>('Password');
    expect(input.type).toBe('password');
  });

  it('should initially render input as `type=text` when toggled', async () => {
    const input = screen.getByLabelText<HTMLInputElement>('Password');
    const toggle = screen.getByRole('button', { name: 'Show' });
    await act(async () => await user.click(toggle));
    expect(input.type).toBe('text');
  });

  it('should re-focus the input after toggling', async () => {
    const input = screen.getByLabelText<HTMLInputElement>('Password');
    const toggle = screen.getByRole('button', { name: 'Show' });
    await act(async () => await user.click(toggle));
    expect(document.activeElement).toBe(input);
  });

  it("should restore the input's selection after toggling", async () => {
    const input = screen.getByLabelText<HTMLInputElement>('Password');
    const toggle = screen.getByRole('button', { name: 'Show' });
    await act(async () => await user.click(input));
    await act(async () => await user.type(input, 'p'));
    await act(async () => await user.click(toggle));
    // selection should be at the end of the input value
    expect(input.selectionStart).toBe(1);
    expect(input.selectionEnd).toBe(1);

    await act(async () => await user.type(input, 'assword'));
    input.selectionStart = 0;
    input.selectionEnd = 4;

    await act(async () => await user.click(toggle));
    expect(input.selectionStart).toBe(0);
    expect(input.selectionEnd).toBe(4);
  });
});

describe('given a PasswordToggleField with an Icon', () => {
  let rendered: RenderResult;
  let user: UserEvent;

  afterEach(cleanup);

  beforeEach(() => {
    user = userEvent.setup();
    rendered = render(
      <>
        <label htmlFor="password">Password</label>
        <PasswordToggleField.Root>
          <PasswordToggleField.Input id="password" />
          <PasswordToggleField.Toggle>
            <PasswordToggleField.Icon
              visible={<EyeOpenIcon data-testid="open" />}
              hidden={<EyeClosedIcon data-testid="closed" />}
            />
          </PasswordToggleField.Toggle>
        </PasswordToggleField.Root>
      </>
    );
  });

  afterEach(cleanup);

  it('should have no accessibility violations', async () => {
    expect(await axe(rendered.container)).toHaveNoViolations();
  });

  it('should initially be hidden', () => {
    const icon = screen.getByTestId('closed');
    expect(icon).toBeVisible();
    expect(screen.queryByTestId('open')).not.toBeInTheDocument();
  });

  it('toggles the icon when clicked', async () => {
    const toggle = screen.getByRole('button', { name: 'Show password' });
    await act(async () => await user.click(toggle));
    expect(screen.getByTestId('open')).toBeVisible();
    expect(screen.queryByTestId('closed')).not.toBeInTheDocument();
  });

  it('should initially render input as `type=password`', async () => {
    const input = screen.getByLabelText<HTMLInputElement>('Password');
    expect(input.type).toBe('password');
  });

  it('should initially render input as `type=text` when toggled', async () => {
    const input = screen.getByLabelText<HTMLInputElement>('Password');
    const toggle = screen.getByRole('button', { name: 'Show password' });
    await act(async () => await user.click(toggle));
    expect(input.type).toBe('text');
  });

  it('should retain its value when toggled', async () => {
    const input = screen.getByLabelText('Password');
    const toggle = screen.getByRole('button', { name: 'Show password' });
    await act(async () => await user.type(input, 'pass123'));
    await act(async () => await user.click(toggle));
    expect(input).toHaveValue('pass123');
  });
});

describe('given a PasswordToggleField in a form', () => {
  let user: UserEvent;

  afterEach(cleanup);

  beforeEach(() => {
    user = userEvent.setup();
    render(
      <form onSubmit={(e) => e.preventDefault()}>
        <label htmlFor="password">Password</label>
        <PasswordToggleField.Root>
          <PasswordToggleField.Input id="password" />
          <PasswordToggleField.Toggle>
            <PasswordToggleField.Slot visible="Hide" hidden="Show" />
          </PasswordToggleField.Toggle>
        </PasswordToggleField.Root>
        <button>Submit</button>
      </form>
    );
  });

  afterEach(cleanup);

  it('should reset visibility to hidden after submission', async () => {
    const toggle = screen.getByRole('button', { name: 'Show' });
    const input = screen.getByLabelText<HTMLInputElement>('Password');
    await act(() => user.click(toggle));
    expect(input.type).toBe('text');
    const submitButton = screen.getByText('Submit');
    await act(() => user.click(submitButton));
    expect(input.type).toBe('password');
  });
});

function EyeClosedIcon(props: React.SVGProps<SVGSVGElement>) {
  return (
    <svg
      width="15"
      height="15"
      viewBox="0 0 15 15"
      fill="currentColor"
      xmlns="http://www.w3.org/2000/svg"
      {...props}
    >
      <path
        d="M14.7649 6.07596C14.9991 6.22231 15.0703 6.53079 14.9239 6.76495C14.4849 7.46743 13.9632 8.10645 13.3702 8.66305L14.5712 9.86406C14.7664 10.0593 14.7664 10.3759 14.5712 10.5712C14.3759 10.7664 14.0593 10.7664 13.8641 10.5712L12.6011 9.30817C11.805 9.90283 10.9089 10.3621 9.93375 10.651L10.383 12.3277C10.4544 12.5944 10.2961 12.8685 10.0294 12.94C9.76267 13.0115 9.4885 12.8532 9.41704 12.5865L8.95917 10.8775C8.48743 10.958 8.00036 10.9999 7.50001 10.9999C6.99965 10.9999 6.51257 10.958 6.04082 10.8775L5.58299 12.5864C5.51153 12.8532 5.23737 13.0115 4.97064 12.94C4.7039 12.8686 4.5456 12.5944 4.61706 12.3277L5.06625 10.651C4.09111 10.3621 3.19503 9.90282 2.3989 9.30815L1.1359 10.5712C0.940638 10.7664 0.624058 10.7664 0.428798 10.5712C0.233537 10.3759 0.233537 10.0593 0.428798 9.86405L1.62982 8.66303C1.03682 8.10643 0.515113 7.46742 0.0760677 6.76495C-0.0702867 6.53079 0.000898544 6.22231 0.235065 6.07596C0.469231 5.9296 0.777703 6.00079 0.924058 6.23496C1.40354 7.00213 1.989 7.68057 2.66233 8.2427C2.67315 8.25096 2.6837 8.25972 2.69397 8.26898C4.00897 9.35527 5.65537 9.99991 7.50001 9.99991C10.3078 9.99991 12.6564 8.5063 14.076 6.23495C14.2223 6.00079 14.5308 5.9296 14.7649 6.07596Z"
        fillRule="evenodd"
        clipRule="evenodd"
      />
    </svg>
  );
}

function EyeOpenIcon(props: React.SVGProps<SVGSVGElement>) {
  return (
    <svg
      width="15"
      height="15"
      viewBox="0 0 15 15"
      fill="currentColor"
      xmlns="http://www.w3.org/2000/svg"
      {...props}
    >
      <path
        d="M7.5 11C4.80285 11 2.52952 9.62184 1.09622 7.50001C2.52952 5.37816 4.80285 4 7.5 4C10.1971 4 12.4705 5.37816 13.9038 7.50001C12.4705 9.62183 10.1971 11 7.5 11ZM7.5 3C4.30786 3 1.65639 4.70638 0.0760002 7.23501C-0.0253338 7.39715 -0.0253334 7.60288 0.0760014 7.76501C1.65639 10.2936 4.30786 12 7.5 12C10.6921 12 13.3436 10.2936 14.924 7.76501C15.0253 7.60288 15.0253 7.39715 14.924 7.23501C13.3436 4.70638 10.6921 3 7.5 3ZM7.5 9.5C8.60457 9.5 9.5 8.60457 9.5 7.5C9.5 6.39543 8.60457 5.5 7.5 5.5C6.39543 5.5 5.5 6.39543 5.5 7.5C5.5 8.60457 6.39543 9.5 7.5 9.5Z"
        fillRule="evenodd"
        clipRule="evenodd"
      />
    </svg>
  );
}