import { describe, expect, it } from 'vitest';

import {
  isResourceDocumentPreviewable,
  resourceDocumentPreviewMarkdown,
} from '../src/features/resource-canvas/resourceDocumentPreviewModel';
import type { ProjectResource } from '../src/view/project-development/resourceProjectionModel';

function resource(path: string): ProjectResource {
  return {
    id: path,
    path,
    label: path,
    mediaType: 'text/plain',
    category: 'document',
    subtype: 'document',
    manifestAssetId: 'doc',
    sourceLabel: '',
    taskTitle: null,
    producerTaskId: null,
    externalResourceId: null,
    referenceResourceIds: [],
    dependencies: [],
    dependencyDepth: 0,
  };
}

describe('resourceDocumentPreviewMarkdown', () => {
  it('文档与空行原样进入 Markdown 渲染', () => {
    const text = '# 标题\n\n\n|列|\n|-|\n|值|';
    expect(
      resourceDocumentPreviewMarkdown(resource('docs/design.md'), text),
    ).toBe(text);
    expect(isResourceDocumentPreviewable(resource('docs/design.md'))).toBe(
      true,
    );
  });

  it.each([
    ['game/main.ts', 'typescript'],
    ['game/main.js', 'javascript'],
    ['game/main.py', 'python'],
  ])('%s 包为 %s 代码块', (path, language) => {
    expect(
      resourceDocumentPreviewMarkdown(resource(path), '  source\n\n\n'),
    ).toBe(`\`\`\`${language}\n  source\n\n\n\`\`\``);
  });

  it('JSON 规格按文档原文预览，不包成代码块', () => {
    expect(
      resourceDocumentPreviewMarkdown(
        resource('assets/data.json'),
        '  source\n\n\n',
      ),
    ).toBe('  source\n\n\n');
  });

  it('正文包含 Markdown 围栏时不会逃出代码块', () => {
    const text = 'const sample = "````";\n\n\n<script>alert(1)</script>';
    expect(
      resourceDocumentPreviewMarkdown(resource('game/main.js'), text),
    ).toBe(`\`\`\`\`\`javascript\n${text}\n\`\`\`\`\``);
  });

  it('图片没有文档预览入口，内联文档不要求文件路径', () => {
    expect(
      isResourceDocumentPreviewable({
        ...resource('assets/image.png'),
        mediaType: 'image/png',
        subtype: 'image',
      }),
    ).toBe(false);
    expect(
      isResourceDocumentPreviewable({
        ...resource(''),
        content: '# 回执',
        subtype: 'agent-result',
      }),
    ).toBe(true);
    expect(isResourceDocumentPreviewable(resource(''))).toBe(false);
  });
});