import { test as base, expect, type Page } from '@playwright/test';

async function attachFrontFailureArtifacts(
  page: Page,
  testInfo: {
    status?: string;
    attach: (name: string, body: Buffer) => Promise<void>;
  }
) {
  const st = testInfo.status;
  if (st === 'passed' || st === 'skipped') return;

  try {
    const snap = await page.evaluate(() => ({
      OrgSwitchDebug: window.localStorage.getItem('OrgSwitchDebug'),
      CurrentOrgId: window.localStorage.getItem('CurrentOrgId'),
      path: window.location.pathname,
    }));
    await testInfo.attach(
      'front-localstorage-snapshot.json',
      Buffer.from(JSON.stringify(snap, null, 2), 'utf8')
    );
  } catch {
    /* 页面可能已关闭 */
  }
}

/**
 * auto fixture：挂载 console / PageError / requestfailed（含 vConsole 镜像到 console 的输出），
 * 仅在用例失败时附加 browser-console-tail.txt 与 OrgSwitchDebug 快照。
 */
export const test = base.extend<{ _frontLogs: void }>({
  _frontLogs: [
    async ({ page }, use, testInfo) => {
      const lines: string[] = [];
      const push = (line: string) => {
        lines.push(line);
        if (lines.length > 400) lines.splice(0, lines.length - 400);
      };

      page.on('console', (msg) => {
        const loc = msg.location();
        const where =
          loc.url && loc.lineNumber != null
            ? ` ${loc.url}:${loc.lineNumber}`
            : '';
        push(`[browser:${msg.type()}] ${msg.text()}${where}`);
      });
      page.on('pageerror', (err) => {
        push(`[pageerror] ${err.stack || err.message}`);
      });
      page.on('requestfailed', (req) => {
        push(
          `[requestfailed] ${req.method()} ${req.url()} ${req.failure()?.errorText ?? ''}`
        );
      });

      await use(undefined);

      await attachFrontFailureArtifacts(page, testInfo);

      if (testInfo.status !== 'passed' && testInfo.status !== 'skipped') {
        const tail = lines.slice(-200).join('\n');
        if (tail.length > 0) {
          await testInfo.attach(
            'browser-console-tail.txt',
            Buffer.from(tail, 'utf8')
          );
        }
      }
    },
    { auto: true },
  ],
});

export { expect };