<?php

namespace App\Http\Controllers;

use App\Http\Requests\BlogArticlePublishRequest;
use App\Http\Requests\BlogArticleRequest;
use App\Http\Services\AuthService;
use App\Models\BlogArticle;
use Illuminate\Http\Request;

class BlogArticleController extends Controller
{
    private $authService;

    public function __construct(AuthService $authService)
    {
        $this->authService = $authService;
    }

    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\JsonResponse
     */
    public function index()
    {
        $query = BlogArticle::orderBy('date', 'desc');

        if (!$this->authService->isAuthenticated()) {
            $query = $query->where('published', true);
        }

        $data = $query->paginate(25);

        return response()->json($data);
    }

    /**
     * Display a list of recent articles.
     *
     * @return \Illuminate\Http\JsonResponse
     */
    public function recent()
    {
        $query = BlogArticle::orderBy('date', 'desc');

        if (!$this->authService->isAuthenticated()) {
            $query = $query->where('published', true);
        }

        $data = $query->paginate(request()->get('limit', 5));

        return response()->json($data);
    }

    /**
     * Display a list of popular articles.
     *
     * @return \Illuminate\Http\JsonResponse
     */
    public function popular()
    {
        $data = BlogArticle::select()
            ->orderByUniqueViews('desc')
            ->orderBy('date', 'desc')
            ->where('published', true)
            ->limit(5)
            ->get()
        ;

        return response()->json($data);
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \App\Http\Requests\BlogArticleRequest  $request
     * @return \Illuminate\Http\JsonResponse
     */
    public function store(BlogArticleRequest $request)
    {
        $article = BlogArticle::create($request->all());
        return response()->json($article, 201);
    }

    /**
     * Display the specified resource.
     *
     * @param \Illuminate\Http\Request  $request
     * @param int  $id
     * @return \Illuminate\Http\JsonResponse
     */
    public function show(Request $request, int $id)
    {
        $blogArticle = BlogArticle::withCount('views')->find($id);

        if ($blogArticle === null) {
            abort(404);
        }

        if (!$this->authService->isAuthenticated()) {
            if (!$blogArticle->published) {
                abort(404);
            }

            $domain = $request->headers->get('referer') ?: $request->headers->get('origin');

            if ($domain !== null) {
                views($blogArticle)
                    ->cooldown(now()->addHour())
                    ->record();
            }
        }

        return response()->json($blogArticle);
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \App\Http\Requests\BlogArticleRequest  $request
     * @param  \App\Models\BlogArticle  $blogArticle
     * @return \Illuminate\Http\Response
     */
    public function update(BlogArticleRequest $request, BlogArticle $blogArticle)
    {
        $blogArticle->update($request->all());
        return response(null, 204);
    }

    /**
     * Update the published state of the specified resource in storage.
     *
     * @param  \App\Http\Requests\BlogArticlePublishRequest  $request
     * @param  \App\Models\BlogArticle  $blogArticle
     * @return \Illuminate\Http\Response
     */
    public function publish(BlogArticlePublishRequest $request, BlogArticle $blogArticle)
    {
        $blogArticle->published = $request->get('published');
        $blogArticle->save();

        return response(null, 204);
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  \App\Models\BlogArticle  $blogArticle
     * @return \Illuminate\Http\Response
     */
    public function destroy(BlogArticle $blogArticle)
    {
        if (!$this->authService->isAuthenticated()) {
            abort(401);
        }

        $blogArticle->delete();
        return response(null, 204);
    }
}