<?php

namespace app\home\controller;

use app\model\UserChatLinkModel;
use Goutte\Client;
use think\facade\Cache;
use think\facade\Log;
use think\Request;
use think\response\Json;

class News extends HomeBaseController
{
    public function index(): Json
    {
        $key="NEWS:LIST";
        $result=Cache::store('redis')->get($key);
        if(empty($result)){
            $client=new Client();
            // 访问一个网页
            $crawler = $client->request('GET', 'https://www.nikkei.com/news/category/markets/');
            // 提取所有的段落
            $paragraphs = $crawler->filter('li.cardListItem_cq2exak a')->each(function ($node) {
                $url="https://www.nikkei.com".str_ireplace('https://www.nikkei.com','',$node->attr('href'));
                $img_obj=$node->filter('div.image_i66x7bx img');
                $img_url="";
                if($img_obj->count()>0){
                    $img_url=$node->filter('div.image_i66x7bx img')->attr('src');
                }
                if(!empty($img_url)){
                    return [
                        'title'=>$node->filter('span.articleTitle_axocstj')->text(),
                        'img_url'=>$img_url,
                        'href'=>str_ireplace('\\','',$url)
                    ];
                }
            });
            $paragraphs=array_filter($paragraphs);
            $titles = array_flip(array_column($paragraphs, 'title'));
            $result = [];
            foreach ($paragraphs as $item) {
                if (isset($titles[$item['title']])) {
                    $result[] = $item;
                    unset($titles[$item['title']]); //Remove from unique IDs to ensure only first is kept.
                }
            }
            $paragraphs=$result;
            Cache::store('redis')->set($key,$paragraphs,300);
        }else{
            $paragraphs=$result;
        }

        return json([
            'code' => '0',
            'message' => 'Request successful.',
            'data' => $paragraphs,
        ]);

    }
    public function test(): Json
    {
        $client=new Client();
        // 访问一个网页
        $crawler = $client->request('GET', 'https://www.nikkei.com/news/category/markets/');
        // 提取所有的段落
        $paragraphs = $crawler->filter('li.cardListItem_cq2exak a')->each(function ($node) {
            $url="https://www.nikkei.com".str_ireplace('https://www.nikkei.com','',$node->attr('href'));
            $img_obj=$node->filter('div.image_i66x7bx img');
            $img_url="";
            if($img_obj->count()>0){
                $img_url=$node->filter('div.image_i66x7bx img')->attr('src');
            }
            if(!empty($img_url)){
                return [
                    'title'=>$node->filter('span.articleTitle_axocstj')->text(),
                    'img_url'=>$img_url,
                    'href'=>str_ireplace('\\','',$url)
                ];
            }
        });


        return json([
            'code' => '0',
            'message' => 'Request successful.',
            'data' => array_filter($paragraphs),
        ]);

    }

    /**
     * @throws \Exception
     */
    public function testApi()
    {
        return json([
            'code' => '0',
            'message' => 'successful'
        ]);
    }


}