import { describe, it, expect, vi } from 'vitest';
import { render, screen, fireEvent } from '@testing-library/react';
import { ThemeProvider } from '@cameleer/design-system';
import type { ReactNode } from 'react';
import { EnvironmentSwitcherModal } from './EnvironmentSwitcherModal';
import type { Environment } from '../api/queries/admin/environments';

function wrap(ui: ReactNode) {
  return render(<ThemeProvider>{ui}</ThemeProvider>);
}

const envs: Environment[] = [
  {
    id: '11111111-1111-1111-1111-111111111111',
    slug: 'dev',
    displayName: 'Development',
    production: false,
    enabled: true,
    defaultContainerConfig: {},
    jarRetentionCount: 5,
    color: 'amber',
    createdAt: '2026-04-22T00:00:00Z',
  },
  {
    id: '22222222-2222-2222-2222-222222222222',
    slug: 'prod',
    displayName: 'Production',
    production: true,
    enabled: true,
    defaultContainerConfig: {},
    jarRetentionCount: 10,
    color: 'red',
    createdAt: '2026-04-22T00:00:00Z',
  },
];

describe('EnvironmentSwitcherModal', () => {
  it('renders one row per env when open', () => {
    wrap(
      <EnvironmentSwitcherModal
        open
        onClose={() => {}}
        envs={envs}
        value="dev"
        onPick={() => {}}
      />,
    );
    expect(screen.getByText('Development')).toBeInTheDocument();
    expect(screen.getByText('Production')).toBeInTheDocument();
  });

  it('calls onPick with slug when a row is clicked', () => {
    const onPick = vi.fn();
    wrap(
      <EnvironmentSwitcherModal
        open
        onClose={() => {}}
        envs={envs}
        value="dev"
        onPick={onPick}
      />,
    );
    fireEvent.click(screen.getByRole('option', { name: /production/i }));
    expect(onPick).toHaveBeenCalledWith('prod');
  });

  it('marks the current env with aria-selected', () => {
    wrap(
      <EnvironmentSwitcherModal
        open
        onClose={() => {}}
        envs={envs}
        value="dev"
        onPick={() => {}}
      />,
    );
    const selected = screen.getByRole('option', { name: /development/i });
    expect(selected).toHaveAttribute('aria-selected', 'true');
  });

  it('renders empty state when no envs exist', () => {
    wrap(
      <EnvironmentSwitcherModal
        open
        onClose={() => {}}
        envs={[]}
        value={undefined}
        onPick={() => {}}
      />,
    );
    expect(screen.getByText(/no environments/i)).toBeInTheDocument();
  });

  it('forced mode swaps the title and ignores onClose', () => {
    const onClose = vi.fn();
    wrap(
      <EnvironmentSwitcherModal
        open
        onClose={onClose}
        envs={envs}
        value={undefined}
        onPick={() => {}}
        forced
      />,
    );
    expect(screen.getByText(/select an environment/i)).toBeInTheDocument();
    // Simulate ESC — DS Modal forwards this to onClose, which we wrapped in a no-op.
    fireEvent.keyDown(document, { key: 'Escape' });
    expect(onClose).not.toHaveBeenCalled();
  });
});