<?php namespace Aweos\Resizer;

use Storage;
use Backend;
use System\Classes\PluginBase;
use System\Classes\MediaLibrary;
use Aweos\Resizer\Models\Setting;
use Aweos\Resizer\Console\ClearOld;
use Aweos\Resizer\Console\ResizeMake;
use Illuminate\Support\Facades\Cache;
use Aweos\Resizer\Console\ResizePurge;

/**
 * resizer Plugin Information File
 */
class Plugin extends PluginBase
{
    /**
     * Returns information about this plugin.
     *
     * @return array
     */
    public function pluginDetails()
    {
        return [
            'name'        => 'resizer',
            'description' => 'No description provided yet...',
            'author'      => 'aweos',
            'icon'        => 'icon-leaf'
        ];
    }

    /**
     * Register method, called when the plugin is first registered.
     *
     * @return void
     */
    public function register()
    {
        $this->registerConsoleCommand('resizer.resizemake', ResizeMake::class);
        $this->registerConsoleCommand('resizer.resizepurge', ResizePurge::class);
        $this->registerConsoleCommand('resizer.clearold', ClearOld::class);
    }

    /**
     * Boot method, called right before the request route.
     *
     * @return array
     */
    public function boot()
    {

    }

    /**
     * Registers any front-end components implemented in this plugin.
     *
     * @return array
     */
    public function registerComponents()
    {
        return []; // Remove this line to activate

        return [
            'Aweos\Resizer\Components\MyComponent' => 'myComponent',
        ];
    }

    /**
     * Registers any back-end permissions used by this plugin.
     *
     * @return array
     */
    public function registerPermissions()
    {
        return []; // Remove this line to activate

        return [
            'aweos.resizer.some_permission' => [
                'tab' => 'resizer',
                'label' => 'Some permission'
            ],
        ];
    }

    /**
     * Registers back-end navigation items for this plugin.
     *
     * @return array
     */
    public function registerNavigation()
    {
        return []; // Remove this line to activate

        return [
            'resizer' => [
                'label'       => 'resizer',
                'url'         => Backend::url('aweos/resizer/mycontroller'),
                'icon'        => 'icon-leaf',
                'permissions' => ['aweos.resizer.*'],
                'order'       => 500,
            ],
        ];
    }

    public function registerSettings() {
        return [
            'resizer' => [
                'label'       => 'Resizer Settings',
                'description' => 'Change how images are resized and compressed',
                'category'    => 'Base',
                'icon'        => 'icon-cog',
                'class'       => '\Aweos\Resizer\Models\Setting',
                'order'       => 500,
                'keywords'    => 'setting',
                'permissions' => ['aweos.resizer.*']
            ]
        ];
    }

    public function registerMarkupTags() {
        return [
            'filters' => [
                'resize' => function($media, $breakpoints = [], $name = '') {
                    return Cache::remember('resized_image.'.$name.$media, 3600, function() use ($media, $breakpoints) {
                        ksort($breakpoints);
                        $l = MediaLibrary::instance();
                        $folders = Setting::get('folders');
                        $sizes = Setting::get('srcx');

                        $media = '/'.ltrim($media, '/');
                        $filename = basename($media);
                        $dirname = dirname($media);
                        $extension = pathinfo($media, PATHINFO_EXTENSION);

                        if (! $l->folderExists($dirname.'/c')) {
                            return 'src="'.$l->getPathUrl($media).'"';
                        }

                        $sizes = collect($l->listFolderContents($dirname.'/c'))
                            ->filter(function($f) use ($sizes, $filename) {
                                foreach ($sizes as $size) {
                                    if (pathinfo($f->path, PATHINFO_FILENAME).'.'.pathinfo($filename, PATHINFO_EXTENSION)
                                        == pathinfo($filename, PATHINFO_FILENAME).'-'.$size.'t.'.pathinfo($filename, PATHINFO_EXTENSION)) {
                                        return true;
                                    }

                                    if (pathinfo($f->path, PATHINFO_FILENAME).'.'.pathinfo($filename, PATHINFO_EXTENSION)
                                        == pathinfo($filename, PATHINFO_FILENAME).'-'.$size.'.'.pathinfo($filename, PATHINFO_EXTENSION)) {
                                        return true;
                                    }
                                }

                                return false;
                            })
                            ->map(function($fileVersion) use ($l) {
                                $sizes = getimagesize(Storage::path('media/'.$fileVersion->path));

                                return [$l->getPathUrl($fileVersion->path), $sizes[0], $sizes[1]];
                            })->sortBy(function($size) {
                                return $size[1];
                            })
                        ;

                        if ($sizes->isEmpty()) {
                            return 'src="'.$l->getPathUrl($media).'"';
                        }

                        $srcset = 'srcset="';
                        $s = '';

                        foreach($sizes as $size) {
                            $srcset .= $size[0].' '.$size[1].'w, ';
                            $s .= '(max-width: '.$size[1].'px) '.$size[1].'px, ';
                        }

                        $s = 'sizes="'.substr($s, 0, -2).', 1920px"';

                        if (!empty($breakpoints)) {
                            $s = $this->breakpointsToSizes($breakpoints);
                        }

                        $srcset = substr($srcset, 0, -2).'"';

                        $normalSize = 'width="'.$sizes->last()[1].'" height="'.$sizes->last()[2].'"';

                        return 'src="'.$l->getPathUrl($media).'" '.$srcset.' '.$s.' '.$normalSize;
                    });
                }
            ]
        ];
    }

    public function breakpointsToSizes($breakpoints) {
        $s = [];

        foreach ($breakpoints as $size => $bp) {
            if ($size === 'max') { continue; }

            $s[] = '(max-width: '.$size.'px) '.$bp;
        }

        if (array_key_exists('max', $breakpoints)) {
            $s[] = $breakpoints['max'];
        }

        return 'sizes="'.implode(', ', $s).'"';
    }

    public function registerSchedule($schedule) {
        $schedule->command('resize:make')->dailyAt('01:00');
    }
}