<?php

namespace App\Http\Controllers;

use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Facades\Http;

class ArticleController extends Controller
{
   private array $feeds = [
    [
        'name' => 'Kementerian Pertanian',
        'url'  => 'https://www.pertanian.go.id/feed/',
        'logo' => null,
    ],
    [
        'name' => 'CYBEX Pertanian',
        'url'  => 'https://cybex.pertanian.go.id/feed',
        'logo' => null,
    ],
    [
        'name' => 'Litbang Pertanian',
        'url'  => 'https://www.litbang.pertanian.go.id/rss/berita.xml',
        'logo' => null,
    ],
    [
        'name' => 'P3GI',
        'url'  => 'https://p3gi.co.id/feed/',
        'logo' => null,
    ],
];

    public function fetchArticles(): array
    {
        return Cache::remember('rss_articles', 3600, function () {
            $articles = [];

            foreach ($this->feeds as $feed) {
                try {

                    $response = Http::timeout(8)->get($feed['url']);
                    if (!$response->ok()) continue;

                    $xml = simplexml_load_string($response->body(), 'SimpleXMLElement', LIBXML_NOCDATA);
                    if (!$xml) continue;

                    $items = $xml->channel->item ?? [];
                    $count = 0;

                    foreach ($items as $item) {
                        if ($count >= 3) break;

                        // Filter keyword tebu ← TAMBAHKAN DI SINI
    $keywords = ['tebu', 'gula', 'perkebunan', 'penyakit tanaman', 'pertanian'];
    $title    = strtolower((string) $item->title);
    $desc     = strtolower((string) $item->description);
    $relevant = false;
    foreach ($keywords as $kw) {
        if (str_contains($title, $kw) || str_contains($desc, $kw)) {
            $relevant = true;
            break;
        }
    }
    if (!$relevant) continue;

    // Coba ambil gambar dari enclosure atau media:content
    $image = null;

                        // Coba ambil gambar dari enclosure atau media:content
                        $image = null;
                        if (isset($item->enclosure)) {
                            $image = (string) $item->enclosure->attributes()->url;
                        }
                        if (!$image) {
                            $ns = $item->getNamespaces(true);
                            if (isset($ns['media'])) {
                                $media = $item->children($ns['media']);
                                $image = (string) ($media->content->attributes()->url ?? '');
                            }
                        }
                        // Fallback: ekstrak gambar dari description
                        if (!$image) {
                            preg_match('/<img[^>]+src=["\']([^"\']+)["\']/', (string)$item->description, $m);
                            $image = $m[1] ?? null;
                        }

                        $articles[] = [
                            'title'   => (string) $item->title,
                            'link'    => (string) $item->link,
                            'date'    => date('d M Y', strtotime((string) $item->pubDate)),
                            'source'  => $feed['name'],
                            'logo'    => $feed['logo'],
                            'image'   => $image,
                            'excerpt' => strip_tags(substr((string) $item->description, 0, 120)) . '...',
                        ];

                        
                        $count++;
                    }
                } catch (\Exception $e) {
                    continue;
                }
            }

            // Acak urutan artikel
            shuffle($articles);
            return array_slice($articles, 0, 6);
        });
    }
}