/**
 * 功能：检查合同附件控件保持独立单一文件输入、键盘可访问及事件转发契约。
 * 版本：v1.0.0
 */
import assert from 'node:assert/strict';
import { readFile } from 'node:fs/promises';

const componentPath = new URL(
  '../src/views/resource/ContractAttachmentField.vue',
  import.meta.url,
);
const formPath = new URL(
  '../src/views/resource/ResourceFieldForm.vue',
  import.meta.url,
);
const [component, form] = await Promise.all([
  readFile(componentPath, 'utf8'),
  readFile(formPath, 'utf8'),
]);

assert.equal(
  component.includes('v-for='),
  false,
  '合同附件组件不得在 v-for 中持有模板引用',
);
assert.match(component, /ref="fileInput"/u, '组件必须持有唯一文件输入引用');
assert.match(
  component,
  /fileInput\.value\?\.click\(\)/u,
  '点击区域必须调用单一文件输入元素',
);
assert.match(component, /@keydown\.enter\.prevent="openPicker"/u);
assert.match(component, /@keydown\.space\.prevent="openPicker"/u);
assert.match(component, /@drop\.prevent="selectDroppedFile"/u);
assert.match(component, /:tabindex="disabled \? -1 : 0"/u);
assert.match(component, /<a-space @click\.stop @keydown\.stop>/u);

assert.match(form, /<ContractAttachmentField/u);
assert.equal(
  form.includes('ref="attachmentInput"'),
  false,
  '通用字段循环不得重新持有文件输入引用',
);
for (const marker of [
  '@select="(file) => emit(\'select-attachment\', file)"',
  '@remove="emit(\'remove-attachment\')"',
  '@clear-selection="emit(\'clear-attachment-selection\')"',
  '@preview="emit(\'preview-attachment\')"',
]) {
  assert.ok(form.includes(marker), `ResourceFieldForm 缺少事件转发：${marker}`);
}

console.log('合同附件控件检查通过：单一引用、键盘入口、拖拽和事件转发均有效。');