declare const process: { cwd(): string };
declare function require(name: string): {
  readFileSync?: (path: string, encoding: string) => string;
  join?: (...parts: string[]) => string;
};

const { readFileSync } = require("node:fs");
const { join } = require("node:path");

if (!readFileSync || !join) {
  throw new Error("测试运行环境缺少文件读取能力");
}

const root = process.cwd();
const css = readFileSync(join(root, "src/assets/styles.css"), "utf-8");
const themeStore = readFileSync(join(root, "src/stores/theme.ts"), "utf-8");

const rootBlock = cssBlock(":root");
assertIncludes(rootBlock, "--base-font-size: 14px;");
assertIncludes(rootBlock, "--page-padding: 20px;");
assertIncludes(rootBlock, "--content-gap: 14px;");
assertIncludes(rootBlock, "--panel-padding: 16px;");

const pageHeaderBlock = cssBlock(".page-header");
assertIncludes(pageHeaderBlock, "min-height: 52px;");
assertIncludes(pageHeaderBlock, "padding-bottom: 2px;");

const pageTitleBlock = cssBlock(".page-header h1");
assertIncludes(pageTitleBlock, "font-size: 26px;");

const summaryStripBlock = cssBlock(".summary-strip");
assertIncludes(summaryStripBlock, "display: flex;");
assertIncludes(summaryStripBlock, "padding: 6px 8px;");

const summaryMetricBlock = cssBlock(".summary-metric");
assertIncludes(summaryMetricBlock, "min-height: 42px;");
assertIncludes(summaryMetricBlock, "padding: 5px 8px;");

const summaryIconBlock = cssBlock(".summary-icon");
assertIncludes(summaryIconBlock, "width: 26px;");
assertIncludes(summaryIconBlock, "height: 26px;");

const panelHeaderBlock = cssBlock(".panel-header");
assertIncludes(panelHeaderBlock, "padding: 14px var(--panel-padding);");

const tableFilterBlock = cssBlock(".table-filter-bar");
assertIncludes(tableFilterBlock, "padding: 10px var(--panel-padding);");
assertIncludes(tableFilterBlock, "background: var(--surface);");

const tableHeaderBlock = cssBlock(".data-table th");
assertIncludes(tableHeaderBlock, "position: sticky;");
assertIncludes(tableHeaderBlock, "top: 0;");

const modalBackdropBlock = cssBlock(".modal-backdrop");
assertIncludes(modalBackdropBlock, "backdrop-filter: blur(8px);");

const employeeMetricBlock = cssBlock(".employee-inline-metric");
assertIncludes(employeeMetricBlock, "min-height: 42px;");
assertIncludes(employeeMetricBlock, "padding: 6px 10px;");

const userFormBlock = cssBlock(".user-form");
assertIncludes(userFormBlock, "grid-template-columns: repeat(4, minmax(0, 1fr));");

const paginationActionsBlock = cssBlock(".table-pagination .form-actions");
assertIncludes(paginationActionsBlock, "justify-content: flex-end;");
assertIncludes(paginationActionsBlock, "background: transparent;");

assertIncludes(themeStore, '"--base-font-size": "14px"');
assertIncludes(themeStore, '"--page-padding": "20px"');
assertIncludes(themeStore, '"--content-gap": "14px"');
assertIncludes(themeStore, '"--panel-padding": "16px"');

function cssBlock(selector: string): string {
  const pattern = new RegExp(`${escapeRegExp(selector)}\\s*\\{([\\s\\S]*?)\\n\\}`, "m");
  const match = css.match(pattern);
  if (!match) {
    throw new Error(`缺少样式块 ${selector}`);
  }
  return match[1];
}

function assertIncludes(content: string, expected: string): void {
  if (!content.includes(expected)) {
    throw new Error(`期望包含 ${expected}`);
  }
}

function assertNotIncludes(content: string, unexpected: string): void {
  if (content.includes(unexpected)) {
    throw new Error(`不应包含 ${unexpected}`);
  }
}

function escapeRegExp(value: string): string {
  return value.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
}