<?php

namespace app\common\service;

use app\common\logic\BrandLogic;
use QL\QueryList;

class CrawlService
{
    public function brandSeries($brand)
    {
        $url = "https://www.dongchedi.com/search?currTab=6&keyword=".$brand.'&from=search_tab_er&api_param={"en_qc":+0}';
        $ql = QueryList::get($url );
        $series = [];
        $ql->find('div.card-name')->texts()->map(function($item) use(&$series) {
            $series[] = $item;
        });
        return $series;
    }

    public function seriesModel($series)
    {
        $href = $this->modelSearch($series);

        //例如 $seriesUrl = "https://www.dongchedi.com/auto/series/4865?anchorId=carModels"
        if (empty($href)) {
            return [];
        }

        $seriesUrl = (strpos($href, 'http') === 0) ? $href : ("https://www.dongchedi.com" . $href);
        $ql = QueryList::get($seriesUrl);

        $nodes = $ql->find('div.tw-grid div.tw-relative div.tw-items-center>a');
        $texts = $nodes->texts()->all();
        $links = $nodes->attrs('href')->all();
        $nodes = $ql->find('div.tw-grid div.tw-text-color-gray-800');
        $price = $nodes->texts()->all();

        $results = [];
        foreach ($texts as $index => $text) {
            $link = $links[$index] ?? '';
            if (!empty($link) && strpos($link, 'http') !== 0) {
                $link = 'https://www.dongchedi.com' . $link;
            }
            $results[] = [
                'title' => trim($text),
                'link' => $link,
                'msrp' => (int)(str_replace("万", "", $price[$index]) * 10000) ?? 0,
            ];
        }

        return $results;
    }

//    public function modelDesc(array $models)
//    {
//
//    }

    /**
     * 返回车系地址
     * @param $series
     * @return mixed|string
     */
    public function modelSearch($series)
    {
        $url = "https://www.dongchedi.com/search?keyword=".$series;
        $ql = QueryList::get($url );
        $href = '';
        $ql->find('a.fold-btn')->attrs('href')
            ->map(function ($item) use(&$href) {
                $href = $item;
            });
        return $href;
    }

    /**
     * 关键词搜索的更多页面，通过面包屑抓取品牌与系列
     * @param $series
     * @return mixed|string
     */
    public function crawlBrandSeries($series)
    {
        $url = "https://www.dongchedi.com/auto/series/" . $series . "?anchorId=carModels";
        $ql = QueryList::get($url);
        $result = $ql->find('div.breadcrumb_wrap__2GLeU span')->texts()->all();

        return ['brand' => $result[2], 'series' => $result[3]];
    }
}