// @vitest-environment jsdom

import { readFileSync } from 'node:fs';

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

import { repoPath } from './repoPath';
import { parseStyleSheet } from './styleCascade';

const STYLES_PATH = repoPath('apps/ai-game-creator-shell/src/styles.css');

/**
 * 全屏弹层清单：每一层都必须从自绘标题栏下方开始。
 *
 * 标题栏是窗口边框，不是弹层内容 —— 只要有一个全屏遮罩盖住它，弹窗打开时
 * 「最小化 / 最大化 / 关闭」就会被挡住。焦点陷阱那一半的问题见
 * `themedModal.test.tsx` 与 `WindowChrome.test.tsx`；新增全屏弹层时把类名加进这份清单。
 */
const WINDOW_CHROME_SAFE_OVERLAYS = [
  // ThemedModal 与共享弹层的通用遮罩：top 由这条规则统一抬到标题栏下方。
  '.fixed.inset-0',
  '.app-update-overlay',
  '.game-publish-progress-overlay',
  '.launcher-dialog-backdrop',
  '.settings-overlay',
  '.game-approval-backdrop',
  '.project-chat-settings-backdrop',
] as const;

function declarationsForSelector(css: string, selector: string) {
  const merged = new Map<string, string>();
  for (const rule of parseStyleSheet(css)) {
    if (!rule.selectors.includes(selector)) {
      continue;
    }
    for (const [property, value] of rule.declarations) {
      merged.set(property, value);
    }
  }
  return merged;
}

describe('窗口标题栏与全屏弹层的层叠约定', () => {
  const css = readFileSync(STYLES_PATH, 'utf8');

  it.each(WINDOW_CHROME_SAFE_OVERLAYS)('%s 从标题栏下方开始', (selector) => {
    const declarations = declarationsForSelector(css, selector);
    expect(
      declarations.get('top'),
      `${selector} 必须声明 top: var(--window-chrome-height)`,
    ).toBe('var(--window-chrome-height)');
  });
});