<?php

class Toit_Gallery_Model_Toitgallery extends Mage_Core_Model_Abstract
{
    public function _construct()
    {
        parent::_construct();
        $this->_init('gallery/toitgallery');
    }

    public function getAllAlbums($parent_id=1, $level = 0)
    {
        $items = $this->getCollection()
                ->addFieldToFilter('type','album')
                ->addFieldToFilter('status','1')
                ->addFieldToFilter('parent_id',$parent_id)
                ->setOrder('title','asc')
                ->setOrder('description','asc');
        if (empty($items)) {
            return false;
        }
        $childs=array();

        foreach($items as $item){
            $childs[] = $item;

            $item->setLevel($level);

            if($subchilds = $this->getAllAlbums($item->getGalleryId(), ($level+1)))
                array_splice($childs, count($childs), 0, $subchilds);
        }
        return $childs;
    }

    public function getAlbums($parent_id=1)
    {
        if(empty($parent_id)) $parent_id=1;
        $items = $this->getCollection()
                ->addFieldToFilter('status','1')
                ->addFieldToFilter('parent_id',$parent_id);
        $items->setOrder('title','asc')
            ->setOrder('description','asc');
        return $items;
    }
    public function getFirstChild()
    {
        return  $this->getCollection()
                ->addFieldToFilter('status','1')
                ->addFieldToFilter('parent_id',$this->getGalleryId())
                ->setOrder('title','asc')
                ->setOrder('description','asc')
                ->setPageSize(1)
                ->getFirstItem();
    }
    public function getNextItem()
    {
        return  $this->getCollection()
                ->addFieldToFilter('status','1')
                ->addFieldToFilter('parent_id',$this->getParentId())
                ->addFieldToFilter('priority', array('gteq'=>$this->getPriority()))
                ->addFieldToFilter('gallery_id', array('neq'=>$this->getGalleryId()))
                ->setOrder('title','asc')
                ->setOrder('description','asc')
                ->setPageSize(1)
                ->getFirstItem();
    }
    public function getPreviousItem()
    {
        return  $this->getCollection()
                ->addFieldToFilter('status','1')
                ->addFieldToFilter('parent_id',$this->getParentId())
                ->addFieldToFilter('priority', array('lteq'=>$this->getPriority()))
                ->addFieldToFilter('gallery_id', array('neq'=>$this->getGalleryId()))
                ->setOrder('title','desc')
                ->setOrder('description','asc')
                ->setPageSize(1)
                ->getFirstItem();
    }
    public function getBreadbcrumbTree($model)
    {
        $links= array();
        if(!$model->getGalleryId())
            return null;

        if($model->getParentId()){
            $tree = $this->getBreadbcrumbTree(Mage::getModel('gallery/toitgallery')->load($model->getParentId()));
            if (is_array($tree)) {
                $links = array_merge($links, $tree);
            }
        }else{
            return null;
        }
        $links[] = $model;

        return $links;
    }
    public function getPhotoUrl($model = null)
    {
        if($this->getFilename()){
            return str_replace('\\', '/', Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA) . 'gallery' .DS .$this->getFilename());
        }
        if (!empty($model) && $model->getType() == 'album') {
            return Mage::getUrl('gallery/index/view/') . 'id/' . $model->getGalleryId();
        }
        return str_replace('\\', '/', Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA) . 'gallery' .DS .'default.jpg');
    }

    public function getTitle()
    {
        $text = $this->getData('title' . $this->getStorePrefix());
        if (empty($text)) {
            $text = $this->getData('title');
        }
        return $text;
    }

    public function getDescription()
    {
        $text = $this->getData('description' . $this->getStorePrefix());
        if (empty($text)) {
            $text = $this->getData('description');
        }
        return $text;
    }

    public function getAlt()
    {
        return $this->getTitle();
    }

    public function getThumbnailUrl($width, $height)
    {
        if($this->getFilename()){
            $originalfilename = $this->getFilename();
        }else{
            $originalfilename = $this->getFirstChild()->getFilename();
        }
        if(!empty($originalfilename)){
            $path = Mage::getBaseDir('media') . DS . 'gallery' . DS ;
            $thumbpath = $path . 'thumbs' . DS;
            $thumbpathurl = Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA) . 'gallery' . DS . 'thumbs' . DS;

            $filename = $width . '_' . $height . '_' . $originalfilename;
            if(!file_exists($path.$filename))
                $this->createThumbnail($path.$originalfilename, $thumbpath.$filename, $width, $height);
            return str_replace('\\', '/', $thumbpathurl.$filename);
        }
        return str_replace('\\', '/', Mage::getBaseUrl(Mage_Core_Model_Store::URL_TYPE_MEDIA) . 'gallery' .DS .'default.jpg');
    }

    public function createThumbnail($originalfile, $thumbfilename, $thumb_width, $thumb_height){


        list($imagewidth, $imageheight, $imageType) = getimagesize($originalfile);
        $imageType = image_type_to_mime_type($imageType);

        $start_width= $start_height=0;
        $width = $thumb_width;
        $height = $thumb_height;

        $this->getCropImageSize($imagewidth, $imageheight, $width, $height, $start_width, $start_height);

        if($thumb_width > $width && $thumb_height > $height){
            $actualwidth = $width;
            $actualheight = $height;
        }
        else{
            $actualwidth = $thumb_width;
            $actualheight = $thumb_height;
        }

        $newImage = imagecreatetruecolor($actualwidth,$actualheight);

        switch($imageType) {
            case "image/gif":
                $source=imagecreatefromgif($originalfile);
                break;
            case "image/pjpeg":
            case "image/jpeg":
            case "image/jpg":
                $source=imagecreatefromjpeg($originalfile);
                break;
            case "image/png":
            case "image/x-png":
                $source=imagecreatefrompng($originalfile);
                break;
        }

        imagecopyresampled($newImage,$source,0,0,$start_width,$start_height,$actualwidth,$actualheight,$width,$height);
        switch($imageType) {
            case "image/gif":
                imagegif($newImage,$thumbfilename);
                break;
            case "image/pjpeg":
            case "image/jpeg":
            case "image/jpg":
                imagejpeg($newImage,$thumbfilename,90);
                break;
            case "image/png":
            case "image/x-png":
                imagepng($newImage,$thumbfilename);
                break;
        }
        @chmod($thumbfilename, 0777);
        imagedestroy($source);
        imagedestroy($newImage);
        return $thumbfilename;
    }
    public function getCropImageSize($oriWidth,$oriHeight,&$width,&$height,&$xPos,&$yPos){
        $standardHeight = $height;
        $standardWidth = $width;
        if (($oriHeight / $standardHeight  ) > ($oriWidth / $standardWidth  ))
        {
            //height rate is bigger than width
            $height = $standardHeight * ($oriWidth / $standardWidth );
            $width = $oriWidth;
            $xPos = 0;
            $yPos = ($oriWidth - $width) /2;
        }
        else
        {
            $height = $oriHeight;
            $width = $standardWidth * ($oriHeight / $standardHeight);
            $xPos = ($oriWidth - $width) /2;
            $yPos = 0;
        }
    }

    protected function getStorePrefix()
    {
        $store = Mage::app()->getStore()->getCode();
        $prefix = '';
        if ('ua' != $store) {
            $prefix = '_' . $store;
        }
        return $prefix;
    }
}