// @vitest-environment jsdom
import { cleanup, fireEvent, render, screen } from '@testing-library/react';
import type { ReactNode } from 'react';
import { afterEach, describe, expect, it, vi } from 'vitest';

import { ResourceDocumentPreviewDialog } from '../src/view/project-development/ResourceDocumentPreviewDialog';
import type { ProjectResource } from '../src/view/project-development/resourceProjectionModel';

vi.mock('../src/components/modal/ThemedModal', () => ({
  ThemedModal: ({
    children,
    ariaLabel,
  }: {
    children: ReactNode;
    ariaLabel: string;
  }) => (
    <section role="dialog" aria-label={ariaLabel}>
      {children}
    </section>
  ),
}));
afterEach(cleanup);

const resource: ProjectResource = {
  id: 'doc',
  path: 'docs/design.md',
  label: '设计文档',
  mediaType: 'text/markdown',
  category: 'document',
  subtype: 'document',
  manifestAssetId: 'doc',
  sourceLabel: '',
  taskTitle: null,
  producerTaskId: null,
  externalResourceId: null,
  referenceResourceIds: [],
  dependencies: [],
  dependencyDepth: 0,
};

describe('ResourceDocumentPreviewDialog', () => {
  it('加载时通过现有详情回调请求正文，加载完成复用 Markdown 渲染', () => {
    const onRequestPreview = vi.fn();
    const onClose = vi.fn();
    const props = { resource, identity: 'doc:v1', onRequestPreview, onClose };
    const { rerender } = render(
      <ResourceDocumentPreviewDialog
        {...props}
        preview={{ status: 'loading' }}
      />,
    );
    expect(screen.getByRole('status').textContent).toContain('加载');
    expect(onRequestPreview).toHaveBeenCalledWith(resource, 'doc:v1', 'detail');
    rerender(
      <ResourceDocumentPreviewDialog
        {...props}
        preview={{
          status: 'loaded',
          preview: {
            path: resource.path,
            mediaType: resource.mediaType,
            byteLen: 10,
            content: '# 标题\n\n**正文**',
          },
        }}
      />,
    );
    expect(screen.getByRole('heading', { name: '标题' })).toBeTruthy();
    fireEvent.click(screen.getByRole('button', { name: '关闭文档预览' }));
    expect(onClose).toHaveBeenCalledOnce();
  });

  it('失败显示错误与重试，换资源进入加载态时不残留旧正文', () => {
    const onRequestPreview = vi.fn();
    const props = {
      resource,
      identity: 'doc:v1',
      onRequestPreview,
      onClose: vi.fn(),
    };
    const { rerender } = render(
      <ResourceDocumentPreviewDialog
        {...props}
        preview={{
          status: 'failed',
          error: '文档读取失败',
          retryable: true,
        }}
      />,
    );
    expect(screen.getByRole('alert').textContent).toBe('文档读取失败');
    onRequestPreview.mockClear();
    fireEvent.click(screen.getByRole('button', { name: '重试' }));
    expect(onRequestPreview).toHaveBeenCalledWith(resource, 'doc:v1', 'detail');
    rerender(
      <ResourceDocumentPreviewDialog
        {...props}
        identity="doc:v2"
        preview={{ status: 'loading' }}
      />,
    );
    expect(screen.queryByRole('alert')).toBeNull();
    expect(screen.getByRole('status').textContent).toContain('加载');
  });

  it('空文档显示空态而不是永久加载', () => {
    render(
      <ResourceDocumentPreviewDialog
        resource={resource}
        identity="doc:v1"
        onRequestPreview={vi.fn()}
        onClose={vi.fn()}
        preview={{
          status: 'loaded',
          preview: {
            path: resource.path,
            mediaType: resource.mediaType,
            byteLen: 0,
            content: '',
          },
        }}
      />,
    );
    expect(screen.getByRole('status').textContent).toBe('文档为空');
  });
});