import got from '@/utils/got';
import { art } from '@/utils/render';
import { load } from 'cheerio';
import path from 'node:path';
import utils from './utils';

let baseTitle = '日本郵便';
const baseUrl = 'https://trackings.post.japanpost.jp/services/srv/search/direct?';

export async function track(ctx) {
    const reqCode = ctx.req.param('reqCode');
    const reqReqCode = 'reqCodeNo1=' + reqCode;

    let locale = 'ja';
    if (ctx.req.param('locale') === 'en') {
        locale = 'en';
        baseTitle = 'Japanpost';
    }
    const reqLocale = '&locale=' + locale;

    const link = baseUrl + reqReqCode + reqLocale;

    const response = await got({
        method: 'get',
        url: link,
    });

    const $ = load(response.data);
    utils.expandEven($);
    utils.expandOdd($);

    const list = $('.tableType01').eq(1).find('tr').slice(2);
    const officeList = $('.tableType03').eq(0).find('tr').slice(1);
    let officeItemList;

    if (officeList.length) {
        officeItemList = officeList.toArray().map((e) => {
            const eTd = $(e).find('td');
            return {
                officeType: eTd.eq(0).text().trim(),
                officeName: eTd.eq(1).html().trim(),
                officeTel: eTd.eq(2).html().trim(),
            };
        });
    }

    if (!list.length) {
        const resErrorText = $('.tableType01').eq(0).find('tr').eq(2).find('td').eq(1).text().trim();
        throw new Error(resErrorText);
    }

    const listEven = list.even();
    const listOdd = list.odd();

    const packageType = $('.tableType01').eq(0).find('tr').eq(1).find('td').eq(1).text().trim();
    const packageService = $('.tableType01').eq(0).find('tr').eq(1).find('td').eq(2).text().trim();
    const serviceText = locale === 'ja' ? '付加サービス：' : 'Additional services: ';

    let lastItemTimeStamp;
    let tz;

    return {
        title: `${baseTitle} ${reqCode} ${packageType}`,
        link,
        description: `${baseTitle} ${reqCode} ${packageType}`,
        language: locale,
        icon: 'https://www.post.japanpost.jp/favicon.ico',
        logo: 'https://www.post.japanpost.jp/favicon.ico',
        item: listEven.toArray().map((item, index) => {
            const itemTd = $(item).find('td');
            const packageStatus = itemTd.eq(1).text().trim();
            const packageRegion = itemTd.eq(4).text().trim();
            const packageOffice = itemTd.eq(3).text().trim();
            const packageOfficeZipCode = listOdd.eq(index).find('td').eq(0).text().trim();
            const itemTitle = `${packageStatus} ${packageOffice} ${packageRegion}`;
            const packageTrackRecord = itemTd.eq(2).text().trim();
            const itemDescription = art(path.join(__dirname, 'templates/track_item_desc.art'), {
                packageStatus,
                packageTrackRecord,
                packageOfficeZipCode,
                packageOffice,
                packageRegion,
                index,
                officeItemList,
                serviceText,
                packageService,
            });

            const itemPubDateText = itemTd.eq(0).text().trim();
            const itemGuid = utils.generateGuid(reqCode + itemTitle + itemDescription + itemPubDateText);

            let thisItemTimeStamp;
            [thisItemTimeStamp, tz] = utils.parseDatetime(itemPubDateText, packageOffice, packageRegion, tz, locale);
            if (lastItemTimeStamp && thisItemTimeStamp <= lastItemTimeStamp) {
                thisItemTimeStamp = lastItemTimeStamp + 1000;
            }
            lastItemTimeStamp = thisItemTimeStamp;

            return {
                title: itemTitle,
                description: itemDescription,
                pubDate: new Date(thisItemTimeStamp),
                link,
                guid: itemGuid.slice(0, 32),
            };
        }),
    };
}