/clis/1688/item.js

import { CommandExecutionError } from '@jackwener/opencli/errors';
import { cli, Strategy } from '@jackwener/opencli/registry';
import { isRecord } from '@jackwener/opencli/utils';
import { assertAuthenticatedState, buildDetailUrl, buildProvenance, canonicalizeSellerUrl, cleanMultilineText, cleanText, extractLocation, extractMemberId, extractOfferId, extractShopId, gotoAndReadState, normalizePriceTiers, parseMoqText, parsePriceText, toNumber, uniqueNonEmpty, } from './shared.js';
function normalizeItemPayload(payload) {
    const href = cleanText(payload.href);
    const bodyText = cleanMultilineText(payload.bodyText);
    const sellerName = cleanText(payload.seller?.companyName);
    const sellerUrlRaw = cleanText(payload.seller?.winportUrl
        ?? payload.seller?.sellerWinportUrlMap?.defaultUrl
        ?? payload.seller?.sellerWinportUrlMap?.indexUrl);
    const sellerUrl = canonicalizeSellerUrl(sellerUrlRaw);
    const offerId = cleanText(String(payload.offerId ?? '')) || extractOfferId(href) || null;
    const memberId = cleanText(payload.seller?.memberId) || extractMemberId(sellerUrlRaw || href) || null;
    const shopId = extractShopId(sellerUrl ?? href);
    const unit = cleanText(payload.trade?.unit);
    const priceDisplay = cleanText(payload.trade?.priceDisplay);
    const priceRange = parsePriceText(priceDisplay ? `¥${priceDisplay}` : bodyText);
    const moqText = extractMoqText(bodyText, payload.trade?.beginAmount, unit);
    const moq = parseMoqText(moqText);
    const services = uniqueServices(payload);
    const serviceBadges = uniqueNonEmpty(services.map((service) => cleanText(service.serviceName)));
    const attributes = normalizeVisibleAttributes(payload.trade?.offerIDatacenterSellInfo);
    const priceTiers = normalizePriceTiers(payload.trade?.offerPriceModel?.currentPrices ?? [], unit || null);
    const images = uniqueNonEmpty([
        ...(payload.gallery?.mainImage ?? []),
        ...(payload.gallery?.offerImgList ?? []),
        ...((payload.gallery?.wlImageInfos ?? []).map((item) => item.fullPathImageURI ?? '')),
    ]);
    const detailUrl = offerId ? buildDetailUrl(offerId) : href;
    const provenance = buildProvenance(href || detailUrl);
    return {
        offer_id: offerId,
        member_id: memberId,
        shop_id: shopId,
        title: cleanText(payload.offerTitle) || stripAlibabaSuffix(payload.title) || firstNonEmptyLine(bodyText) || null,
        item_url: detailUrl,
        main_images: images,
        price_text: priceRange.price_text || null,
        price_tiers: priceTiers,
        currency: priceRange.currency,
        moq_text: moq.moq_text || null,
        moq_value: moq.moq_value,
        seller_name: sellerName || null,
        seller_url: sellerUrl,
        shop_name: sellerName || null,
        origin_place: extractLocation(bodyText),
        delivery_days_text: extractDeliveryDaysText(bodyText, services, payload.shipping),
        customization_text: extractKeywordLine(bodyText, ['来样定制', '来图定制', '支持定制', '可定制', '定制']),
        private_label_text: extractKeywordLine(bodyText, ['贴牌', '贴标', '定制logo', '打logo', 'OEM', 'ODM']),
        visible_attributes: attributes,
        sales_text: extractSalesText(bodyText),
        service_badges: serviceBadges,
        stock_quantity: extractStockQuantity(bodyText),
        ...provenance,
    };
}
function normalizeVisibleAttributes(raw) {
    if (!isRecord(raw))
        return [];
    return Object.entries(raw)
        .filter(([key, value]) => key !== 'sellPointModel' && cleanText(key) && cleanText(String(value)))
        .map(([key, value]) => ({ key: cleanText(key), value: cleanText(String(value)) }));
}
function uniqueServices(payload) {
    const combined = [
        ...(Array.isArray(payload.services) ? payload.services : []),
        ...(Array.isArray(payload.shipping?.protectionInfos) ? payload.shipping.protectionInfos : []),
        ...(Array.isArray(payload.shipping?.buyerProtectionModel) ? payload.shipping.buyerProtectionModel : []),
    ];
    const seen = new Set();
    const result = [];
    for (const service of combined) {
        const key = cleanText(service.serviceName);
        if (!key || seen.has(key))
            continue;
        seen.add(key);
        result.push(service);
    }
    return result;
}
function stripAlibabaSuffix(title) {
    return cleanText(title).replace(/\s*-\s*阿里巴巴$/, '').trim();
}
function firstNonEmptyLine(text) {
    return text.split('\n').map((line) => cleanText(line)).find(Boolean) ?? '';
}
function extractMoqText(bodyText, beginAmount, unit) {
    const lineMatch = bodyText.match(/\d+(?:\.\d+)?\s*(件|个|套|箱|包|双|台|把|只)\s*起批/);
    if (lineMatch)
        return lineMatch[0];
    const moqValue = toNumber(beginAmount);
    if (moqValue !== null) {
        return `${moqValue}${unit || ''}起批`;
    }
    return '';
}
function extractDeliveryDaysText(bodyText, services, shipping) {
    const shippingText = cleanText(shipping?.deliveryLimitText) || cleanText(shipping?.logisticsText);
    if (shippingText)
        return shippingText;
    const textMatch = bodyText.match(/\d+\s*(?:小时|天)(?:内)?发货/);
    if (textMatch)
        return textMatch[0];
    const hourMatch = services.find((service) => typeof service.agreeDeliveryHours === 'number');
    if (hourMatch && typeof hourMatch.agreeDeliveryHours === 'number') {
        return `${hourMatch.agreeDeliveryHours}小时内发货`;
    }
    return null;
}
function extractKeywordLine(bodyText, keywords) {
    const lines = bodyText.split('\n').map((line) => cleanText(line)).filter(Boolean);
    for (const line of lines) {
        if (keywords.some((keyword) => line.includes(keyword))) {
            return line;
        }
    }
    return null;
}
function extractSalesText(bodyText) {
    const match = bodyText.match(/(?:全网销量|已售)\s*\d+(?:\.\d+)?\+?\s*[件套个单]?/);
    return match ? cleanText(match[0]) : null;
}
function extractStockQuantity(bodyText) {
    const match = bodyText.match(/库存\s*(\d+)/);
    return match ? Number.parseInt(match[1], 10) : null;
}
async function readItemPayload(page, itemUrl) {
    const state = await gotoAndReadState(page, itemUrl, 2500, 'item');
    assertAuthenticatedState(state, 'item');
    const payload = await page.evaluate(`
    (() => {
      const root = window.context ?? {};
      const model = root.result?.global?.globalData?.model ?? null;
      const toJson = (value) => JSON.parse(JSON.stringify(value ?? null));
      return {
        href: window.location.href,
        title: document.title || '',
        bodyText: document.body ? document.body.innerText || '' : '',
        offerTitle: model?.offerTitleModel?.subject ?? '',
        offerId: model?.tradeModel?.offerId ?? '',
        seller: toJson(model?.sellerModel),
        trade: toJson(model?.tradeModel),
        gallery: toJson(root.result?.data?.gallery?.fields ?? null),
        shipping: toJson(root.result?.data?.shippingServices?.fields ?? null),
        services: toJson(root.result?.data?.shippingServices?.fields?.protectionInfos ?? []),
      };
    })()
  `);
    const resolvedOfferId = cleanText(String(payload.offerId ?? '')) || extractOfferId(cleanText(payload.href));
    if (!resolvedOfferId) {
        throw new CommandExecutionError('1688 item page did not expose product context', '当前 tab 非商品详情上下文，请切到 detail.1688.com 商品页并重试');
    }
    return payload;
}
cli({
    site: '1688',
    name: 'item',
    access: 'read',
    description: '1688 商品详情（公开商品字段、价格阶梯、卖家基础信息）',
    domain: 'www.1688.com',
    strategy: Strategy.COOKIE,
    navigateBefore: false,
    args: [
        {
            name: 'input',
            required: true,
            positional: true,
            help: '1688 商品 URL 或 offer ID（如 887904326744）',
        },
    ],
    columns: ['offer_id', 'title', 'price_text', 'moq_text', 'seller_name', 'origin_place'],
    func: async (page, kwargs) => {
        const itemUrl = buildDetailUrl(String(kwargs.input ?? ''));
        const payload = await readItemPayload(page, itemUrl);
        return [normalizeItemPayload(payload)];
    },
});
export const __test__ = {
    normalizeItemPayload,
    normalizeVisibleAttributes,
    stripAlibabaSuffix,
    extractMoqText,
    extractDeliveryDaysText,
    extractKeywordLine,
    extractSalesText,
    extractStockQuantity,
};