/**
 * 统一采集引擎入口 - 只做路由：按平台分发到 platforms/ 下的平台文件。
 *
 * 平台编排逻辑（各路径与合并策略）见：
 *   platforms/ozon.ts    Ozon 四路径（SSR data-state / JSON-LD / 站内 API / DOM）
 *   platforms/taobao.ts  淘宝/天猫（桥读全局 SSR / DOM）
 *   platforms/1688.ts    1688（桥读 window.context SSR / DOM）
 * 共用合并器见 merge.ts。
 */
import { matchProfile } from '../profiles';
import { readWindowKeys } from '../bridge/read-window';
import { scanOzon } from './platforms/ozon';
import { scanTaobao } from './platforms/taobao';
import { scan1688 } from './platforms/1688';
import type { ScanResult } from './merge';

export type { ScanResult };
export type { ImageMaterial, TextMaterial } from './merge';

export async function scanCurrentPage(): Promise<ScanResult | null> {
  const profile = matchProfile(location.href);
  if (!profile) {
    console.warn('[SuiteCollector] 当前页面不支持采集:', location.href);
    return null;
  }

  const itemId = profile.extractItemId(location.href);
  console.log('[SuiteCollector] 开始采集:', profile.name, itemId, location.href);

  let result: ScanResult | null = null;
  try {
    if (profile.id === 'ozon') result = await scanOzon(profile, itemId);
    else if (profile.id === 'taobao') result = await scanTaobao(profile, itemId);
    else result = await scan1688(profile, itemId);
  } catch (err) {
    console.error('[SuiteCollector] 采集异常:', err);
    return null;
  }

  console.log('[SuiteCollector] 采集完成:', {
    platform: result.platform,
    texts: result.texts.map((t) => t.kind),
    images: result.images.length,
    stats: result.stats,
    warnings: result.warnings,
    source: result.source,
  });
  return result;
}

// 诊断工具：列出页面全局数据键（在商品页 console 跑 __SuiteCollector.probe()）
export async function probeWindowKeys(): Promise<string[]> {
  const res = await readWindowKeys(['*'], 1500);
  return (res['__sc_window_keys__'] as string[]) ?? [];
}

// 暴露到全局供 side panel / console 调用
if (typeof window !== 'undefined') {
  (window as any).__SuiteCollector = {
    scan: scanCurrentPage,
    probe: probeWindowKeys,
  };
}