<?php

namespace Nox\Command;

use Nox\Container;
use Nox\Entity\Image;
use Nox\Files;

class ImageUpdate extends Container
{
    protected $ci;
    protected $repo;
    protected $imageDir;
    protected $thumbDir;
    protected $ignore;

    public function __construct($ci)
    {
        parent::__construct($ci);
        $this->repo = $ci->em->getRepository('\Nox\Entity\Image');
        $this->imageRoot = $ci->settings['image_root'];
        $this->thumbRoot = $ci->settings['thumb_root'];
        $this->imageExts = $ci->settings['image_exts'];
        $this->ignore = $ci->settings['image_ignore'];
    }

    public function command()
    {
        $this->addImages();
        $this->createThumbs();
    }

    public function addImages()
    {
        $images = $this->repo->findAll();
        $files = Files::find($this->imageRoot, $this->ignore, $this->imageExts);
        $list = array();
        foreach ($images as $image) array_push($list, $image->getImage());
        $diff = array_diff($files, $list);
        foreach ($diff as $path) {
            $file = new \SplFileInfo($this->imageRoot.$path);
            $sha512Hash = hash_file('sha512', $file->getPathname());
            if ($dup = $this->repo->findOneBy(['sha512' => $sha512Hash])) {
                printf("duplicate\t%s\t%s\n", $dup->image, $path);
                ob_flush();
    //            continue;
            }
            $dt = new \DateTime('@'.$file->getMTime());
            $image = new Image();
            $image->setImage($path);
            $image->setSha512($sha512Hash);
            $image->setTime($dt);
            $this->ci->em->persist($image);
            $this->ci->em->flush();
            $this->ci->em->clear();
            printf("image\t%s\n", $path);
            ob_flush();
        }
    }

    public function createThumbs()
    {
        $images = $this->repo->findAll();
        $files = Files::find($this->thumbRoot);
        foreach ($images as $image) {
            foreach (["medium" => "1000x1000", "small" => "250x250"]
                as $name => $size) {
                $thumb = $image->id . "_" . $name . ".png";
                $key = array_search($thumb, $files);
                if ($key !== false) continue;
                $imagePathname = escapeshellarg($this->imageRoot
                    . $image->image);
                $thumbPathname = escapeshellarg($this->thumbRoot . $thumb);
                printf("thumb\t%s\t%s\n", $image->image, $thumb);
                ob_flush();
                exec(sprintf("convert -thumbnail %s\> %s[0] %s",
                    $size, $imagePathname, $thumbPathname));
                ob_flush();
            }
        }
    }

}