<?php

namespace App\Http\Controllers;

use App\Models\Advert;
use App\Models\Article;
use App\Models\Category;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\View;

class ArticleController extends Controller
{

    public function __construct(Request $request)
    {
        view()->share('nav', 3);
        view()->share('app_title', '教程资讯');
    }

    public function index(Request $request)
    {
        $category_id = $request->category_id;
        $page        = $request->page ?? '';

        $lists = Article::where('hot', 0)->when($category_id, function ($q) use ($category_id) {
            $q->where('category_id', $category_id);
        })->orderBy('created_at', 'desc')->paginate();

        if ($page > 1) {
            if ($lists->isNotEmpty()) {
                $html = response(view('articles.more', compact('lists')))->getContent();
                return $this->success($html);
            } else {
                return $this->error('没有数据了');
            }
        } else {
            $categorys = Category::where('type', 'article')->where('parent_id', 0)->get();
            $adverts   = Advert::where('channel', 'article')->orderBy('sort', 'asc')->take(5)->get(); //banner
            $hot       = Article::where('hot', 1)->orderBy('id', 'desc')->first();
            return view('articles.index', compact('lists', 'categorys', 'adverts', 'category_id', 'hot'));
        }

    }

    public function show(Article $article)
    {
        $article->increment('clicks');
        $lists = Article::where('category_id', $article->category_id)->inRandomOrder()->take(2)->get();
        return view('articles.show', compact('article', 'lists'));
    }

    public function more(Request $request)
    {
        $category_id = $request->category_id;

        $lists = Article::when($category_id, function ($q) use ($category_id) {
            $q->where('category_id', $category_id);
        })->orderBy('created_at', 'desc')->paginate();
    }
}