<?php
namespace App\Http\Controllers\Admin;

use App\Enumerations\ContentStatuses;
use App\Models\Content;
use App\Models\Module;
use Illuminate\Support\Facades\Input;

class ContentOverview extends Controller
{
    /**
     * @var Content
     */
    private $content;

    public function __construct(Content $content)
    {
        parent::__construct();

        $this->content = $content;
    }

    /**
     * Overview for all content pages.
     *
     * @param bool|false $moduleId
     * @param null       $status
     *
     * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function getOverview($moduleId = false, $status = null)
    {
        $moduleFilterHandler = false;
        $perPage = Input::get('perPage') ? Input::get('perPage') : 20;
        $pageHeading = 'admin/contents.overview';

        // does user want to filter results using module?
        if (is_numeric($moduleId)) {
            $module = Module::findOrFail($moduleId);
            $moduleFilterHandler = $module->handler;

            if (is_callable([$module->handler, 'getOverviewTitle'])) {
                $pageHeading = call_user_func([$module->handler, 'getOverviewTitle']);
            }
        }

        // get pages for overview
        $pages = $this->content->getOverview($moduleFilterHandler, $status, true, true)
                               ->paginate($perPage);

        // get homepage - for checking if homepage is set and available
        $homepage = $this->content->getHomepage();

        return view('admin.content.overview', [
            'pages'       => $pages,
            'homepage'    => $homepage,
            'pageHeading' => $pageHeading,
            'statuses'    => ContentStatuses::getWithTranslations(),
            'module'      => isset($module) ? $module : null
        ]);
    }
}