<?php

namespace App\Http\Controllers\Api\CMS;

use App\Http\Controllers\Controller;
use App\Repositories\Enums\ModelStatusEnum;
use App\Repositories\Models\CMS\Article;
use App\Repositories\Models\CMS\Category;
use App\Repositories\Presenters\CMS\ArticlePresenter;
use Carbon\Carbon;
use Illuminate\Http\Request;
use Jiannei\Response\Laravel\Support\Facades\Response;
use App\Contracts\Repositories\CMS\ArticleRepository;
use App\Repositories\Validators\CMS\ArticleValidator;

/**
 * Class ArticlesController.
 *
 * @package namespace App\Http\Controllers\CMS;
 */
class ArticlesController extends Controller
{
    /**
     * @var ArticleRepository
     */
    protected $repository;

    /**
     * @var ArticleValidator
     */
    protected $validator;

    /**
     * ArticlesController constructor.
     *
     * @param ArticleRepository $repository
     * @param ArticleValidator $validator
     */
    public function __construct(ArticleRepository $repository, ArticleValidator $validator)
    {
        $this->repository = $repository;
        $this->validator = $validator;
    }

    public function index()
    {
        $courses = $this->repository->paginate(request('per_page', self::PAGE_NUM));
        return Response::success($courses);
    }

    public function show($id)
    {
        $information = $this->repository->find($id);
        Article::query()->where('id', $information['id'])->increment('view_count');

        $last = Article::query()->where('category_id', $information['category_id'])->where('published_at', '<=', Carbon::now())->where('status', ModelStatusEnum::OK)->where('id', '<', $information['id'])->orderByDesc('sort')->latest('id')->select(['id', 'title'])->first();
        $next = Article::query()->where('category_id', $information['category_id'])->where('published_at', '<=', Carbon::now())->where('status', ModelStatusEnum::OK)->where('id', '>', $information['id'])->orderByDesc('sort')->oldest('id')->select(['id', 'title'])->first();
        return Response::success(compact('information', 'last', 'next'));
    }

    public function lists(Request $request)
    {
        $lists = Article::query()->where('category_id', $request->get('category_id'))->orderByDesc('published_at')->limit(6)->get();
        $lists = $this->repository->setPresenter(ArticlePresenter::class)->parserResult($lists);
        return Response::success($lists);
    }

    public function article(Request $request)
    {
        $id = $request->get('category_id');
        $category = Category::query()->where('id', $id)->where('status', ModelStatusEnum::OK)->first();
        if (!$category) {
            return Response::fail('分类id不能为空！');
        }
        if ($category->is_single == 0) {
            $article = Article::query()->where('category_id', $category->id)->where('published_at', '<=', Carbon::now())->where('status', ModelStatusEnum::OK)->orderByDesc('sort')->orderByDesc('published_at')->orderByDesc('id')->first();

            if (!$article) {
                return Response::success(null);
            }
            return Response::success($this->repository->parserResult($article));
        }

        $articles = Article::query()->where('category_id', $category->id)->where('published_at', '<=', Carbon::now())->where('status', ModelStatusEnum::OK)->orderByDesc('sort')->orderByDesc('published_at')->orderByDesc('id')->paginate(request('per_page', self::PAGE_NUM));
        return Response::success($this->repository->parserResult($articles));
    }

}