import { render, screen } from '@testing-library/react';
import { MemoryRouter, Route, Routes } from 'react-router-dom';
import { beforeEach, describe, expect, it, vi } from 'vitest';
import { MainLayout } from '@/components/layout/MainLayout';
import { useSettingsStore } from '@/stores/settings';

const routeRenderMock = vi.hoisted(() => vi.fn());

vi.mock('@/components/layout/Sidebar', () => ({
  Sidebar: ({ hideOnCompact = false }: { hideOnCompact?: boolean }) => (
    <aside data-testid="sidebar-stub" data-hide-on-compact={String(hideOnCompact)} />
  ),
}));
vi.mock('@/components/layout/TitleBar', () => ({
  TitleBar: ({ integrated = false, overlay = false, showSidebarControls = true, pageTitle }: { integrated?: boolean; overlay?: boolean; showSidebarControls?: boolean; pageTitle?: string }) => (
    <header
      data-testid="titlebar-stub"
      data-integrated={integrated ? 'true' : 'false'}
      data-overlay={overlay ? 'true' : 'false'}
      data-sidebar-controls={showSidebarControls ? 'true' : 'false'}
      data-page-title={pageTitle ?? ''}
    />
  ),
}));

function RouteContent() {
  routeRenderMock();
  return <div data-testid="route-content" />;
}

function renderLayout(path: string) {
  return render(
    <MemoryRouter initialEntries={[path]}>
      <Routes>
        <Route element={<MainLayout />}>
          <Route path="*" element={<RouteContent />} />
        </Route>
      </Routes>
    </MemoryRouter>,
  );
}

describe('MainLayout module isolation', () => {
  beforeEach(() => {
    routeRenderMock.mockReset();
    useSettingsStore.setState({ sidebarCollapsed: false });
  });

  it('does not overlay the local project initialization gate on AI painting', () => {
    renderLayout('/image-canvas');

    expect(screen.getByTestId('route-content')).toBeVisible();
    expect(screen.queryByTestId('project-initialization-gate')).not.toBeInTheDocument();
  });

  it('uses the full-height workspace shell with the shared left project sidebar for AI painting', () => {
    renderLayout('/image-canvas');

    expect(screen.getByTestId('main-content')).toHaveClass('basis-0', 'h-full', 'overflow-hidden', 'p-0');
    expect(screen.getByTestId('main-content')).not.toHaveClass('p-5', 'sm:p-6');
    expect(screen.getByTestId('titlebar-stub')).toHaveAttribute('data-overlay', 'true');
    expect(screen.getByTestId('titlebar-stub')).toHaveAttribute('data-sidebar-controls', 'true');
    expect(screen.getByTestId('sidebar-stub')).toHaveAttribute('data-hide-on-compact', 'true');
  });

  it('does not overlay the local project initialization gate on AI hardware', () => {
    renderLayout('/ai-hardware');

    expect(screen.getByTestId('route-content')).toBeVisible();
    expect(screen.queryByTestId('project-initialization-gate')).not.toBeInTheDocument();
  });

  it('does not restore the removed project initialization gate on AI programming routes', () => {
    renderLayout('/chat');

    expect(screen.getByTestId('route-content')).toBeVisible();
    expect(screen.queryByTestId('project-initialization-gate')).not.toBeInTheDocument();
    expect(screen.getByTestId('titlebar-stub')).toHaveAttribute('data-overlay', 'false');
  });

  it('keeps the project-settings plugin workspace outside the local project initialization gate', () => {
    renderLayout('/project-config/plugins');

    expect(screen.getByTestId('route-content')).toBeVisible();
    expect(screen.queryByTestId('project-initialization-gate')).not.toBeInTheDocument();
  });

  it('keeps the programming workspace padding compensation separate from painting', () => {
    renderLayout('/chat');

    expect(screen.getByTestId('main-content')).toHaveClass('basis-0', 'overflow-hidden', 'p-0', 'sm:p-6');
  });

});