<?php

namespace App\Providers;

use App\CMS\Shortcodes\Widget;
use Illuminate\Support\Facades\App;
use Illuminate\Support\Facades\Blade;
use Illuminate\Support\ServiceProvider;
use Webwizo\Shortcodes\Facades\Shortcode;

class BladeExtender extends ServiceProvider
{
    /**
     * Bootstrap the application services.
     *
     * @return void
     */
    public function boot()
    {
        // ignore running from artisan
        if (App::runningInConsole()) {
            return;
        }

        view()->share('currentUrl', \Request::url());

        $this->extendBlade();

        Shortcode::register('widget', Widget::class);
    }

    /**
     * Register the application services.
     *
     * @return void
     */
    public function register()
    {
    }

    /**
     * Creates pattern for matching Blade directives
     *
     * @param $function
     *
     * @return string
     */
    private function createPattern($function)
    {
        return '/(?<!\w)(\s*)@' . $function . '\(([^)]+)*\)/';
    }

    /**
     * Create new Blade directives
     */
    private function extendBlade()
    {
        // extend Blade "@extends" macro - with this macro allows to use "hierarchy" in templates
        Blade::extend(function ($view) {
            $pattern = $this->createPattern('extendVisitor');
            $code = '@extends(\App\CMS\Helpers\Template::name($2))';

            return preg_replace($pattern, $code, $view);
        });

        $macros = [
            'upload'     => 'echo \App\CMS\Helpers\Path::upload($2);',
            'thumbnail'  => 'echo \App\CMS\Helpers\Path::thumbnail($2);',
            'gravatar'   => 'echo \App\CMS\Helpers\Gravatar::img($2);',
            'asset'      => 'echo \App\CMS\Helpers\Path::asset($2);',
            'date'       => 'echo \App\CMS\Helpers\Date::date($2);',
            'customDate' => 'echo \App\CMS\Helpers\Date::dateFormatted($2);',
            'monthName'  => 'echo \App\CMS\Helpers\Date::monthName($2);',
            'widgetArea' => '\App\CMS\Helpers\WidgetAreas::render($2);',
            'widgetPreview' => 'echo \App\CMS\Helpers\Widget::render($2)'
        ];

        foreach ($macros as $macro => $code) {
            Blade::extend(function ($view) use ($macro, $code) {
                $pattern = $this->createPattern($macro);
                $code = '<?php ' . $code . ' ?>';

                return preg_replace($pattern, $code, $view);
            });
        }
    }
}