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

use App\CMS\Contracts\Repositories\Content as IContent;
use App\CMS\Contracts\Repositories\Module as IModuleRepository;
use App\CMS\Enumerations\ContentStatuses;
use App\Cms\Handlers\Interactions\Interaction;
use App\Cms\Interactions\Admin\Content\NewContent;
use App\Http\Controllers\Admin\Controller;
use App\Http\Requests\CreateNewContentRequest;
use App\Http\Requests\Request;
use App\Models\FileManager\File;
use App\Models\Module;
use App\Models\Templates\Template;
use Modules\Categories\Entities\Category;
use Pingpong\Modules\Facades\Module as ModuleInstance;

/**
 * Class CreateNewContent
 *
 * Controller for creating new content page.
 *
 * @package App\Http\Controllers\Admin\Contents
 */
class CreateNewContent extends Controller
{
    /**
     * @var File
     */
    private $file;
    /**
     * @var IContent
     */
    private $content;
    /**
     * @var IModuleRepository
     */
    private $module;

    /**
     * CreateNewContent constructor.
     *
     * Sets File and Content models into class variables
     *
     * @param File              $file
     * @param Content           $content
     * @param IModuleRepository $module
     */
    public function __construct(File $file, IContent $content, IModuleRepository $module)
    {
        parent::__construct();
        $this->file = $file;
        $this->content = $content;
        $this->module = $module;
    }

    /**
     * Display form for new content page
     *
     * @param $moduleId
     *
     * @return \Illuminate\Contracts\View\Factory|\Illuminate\View\View
     */
    public function create($moduleId)
    {
        $module = Module::findOrFail($moduleId);
        $statuses = ContentStatuses::getWithTranslations();

        // set default page title
        $pageHeading = trans('admin/contents.new', ['name' => trans($module->name)]);
        if (is_callable([$module->handler, 'getCreateNewTitle'])) {
            $pageHeading = call_user_func([$module->handler, 'getCreateNewTitle']);
        }

        // get list of usable templates
        $templates = Template::where('module_id', $moduleId)
                             ->select(['template_name', 'name', 'description'])
                             ->get();

        // add categories, if supported
        $categoryModule = ModuleInstance::get('categories');
        $categories = [];
        if ($module->support_categories && !is_null($categoryModule) && $categoryModule->enabled()) {
            $categories = Category::where('module_id', $moduleId)
                                  ->get();
        }

        // create default content object
        $this->content->status = IContent::STATUS_DRAFT;

        // render view
        return view('admin.content.new', [
            'pageHeading'      => $pageHeading,
            'contentStatuses'  => $statuses,
            'templates'        => $templates,
            'moduleId'         => $moduleId,
            'module'           => $module,
            'categories'       => $categories,
            'page'             => $this->content,
            'rootPages'        => $this->content->getOverview()
                                                ->get(),
            'moduleName'       => trans($module->name),
            'extraData'        => call_user_func([$module->handler, 'loadExtraData'], $this->content),
            'formSectionNames' => call_user_func([$module->handler, 'getExtendedFormSections']),
            'formSections'     => call_user_func([$module->handler, 'getExtendedFormInputsCreate']),
        ]);
    }

    /**
     * Save new content page
     *
     * @param CreateNewContentRequest    $request
     * @param                            $moduleId
     *
     * @return \Illuminate\Http\RedirectResponse
     */
    public function store(Request $request, $moduleId)
    {
        $module = Module::findOrFail($moduleId);

        // create new page
        Interaction::handle($request, new NewContent(), $module->handler);

        return redirect()
            ->route('content.overview')
            ->with('success', trans('admin/contents.successfullyCreated'));
    }
}