<?php

class Orange35_ImageConstructor_Model_Observer
{
    /**
     * @return Orange35_ImageConstructor_Model_Matches
     */
    protected function _getMatchesModel()
    {
        return Mage::getModel("orange35_imageConstructor/matches");
    }
    /**
     * @return Orange35_ImageConstructor_Helper_Matches
     */
    protected function _getMatchesHelper()
    {
        return Mage::helper("orange35_imageConstructor/matches");
    }

    /**
     * @return Orange35_ImageConstructor_Helper_Image
     */
    protected function _getImageHelper()
    {
        return Mage::helper("orange35_imageConstructor/image");
    }

    public function onDeleteProduct(Varien_Event_Observer $observer)
    {
        if(!Mage::getStoreConfig("colorpicker_section/image_constructor_tools/module_enable")){
            return false;
        }
        if ($product = $observer->getData('product')) {
            $matches = $this->_getMatchesHelper()->findByProductId($product->getId());
            /** @var $match Orange35_ImageConstructor_Model_Matches */
            foreach ($matches as $match) {
                $match->delete();
            }
        }
        $this->_getImageHelper()->flushImagesCache();

        return $this;
    }

    public function addCustomLayoutConfigHandle(Varien_Event_Observer $observer)
    {
        if(!Mage::getStoreConfig("colorpicker_section/image_constructor_tools/module_enable")){
            return false;
        }
        /** @var $layout  Mage_Core_Model_Layout */
        $event = $observer->getEvent();
        $controllerAction = $event->getAction();
        $layout = $event->getLayout();
        if ($controllerAction && $layout && $controllerAction instanceof Mage_Adminhtml_System_ConfigController) {
            if ($controllerAction->getRequest()->getParam('section') == 'colorpicker_section') {
                $layout->getUpdate()->addHandle('adminhtml_system_config_edit_orange35_imageconstructor');
            }
        }

        return $this;
    }


    protected function _upload($storeDir, $fieldName, $valueId)
    {
        return $this->_getImageHelper()->upload($storeDir, $fieldName, $valueId);
    }

    public function onSaveProduct(Varien_Event_Observer $observer)
    {
        if(!Mage::getStoreConfig("colorpicker_section/image_constructor_tools/module_enable")){
            return false;
        }
        if ($product = $observer->getData('product')) {
            $productId = $product->getId();
            $post = $this->_getRequest()->getPost('delete_image');
            $matches = $this->_getMatchesHelper()->getImagesUrlByProductId($product->getId());
            $matches = $matches['matches'];
            if (isset($post)){
                $this->_getMatchesHelper()->deleteImages($post);
            }
            $customOptions = $product->getOptions();
            $this->_getImageHelper()->flushImagesCache();
            foreach ($customOptions as $option) {
                foreach ($option->getValues() as $value) {

                    $image = $this->_upload(
                        DS . $productId . DS . $option->getId(),
                        'option_file_' . $productId . '_' . $option->getId() . '_' . $value->getId(),
                        $value->getId()
                    );
                    if ($image != false) {
                        $match = $this->_getMatchesModel();
                        if(isset($matches[$option->getId()][$value->getId()])){
                            $match->load($matches[$option->getId()][$value->getId()])
                                ->delete();
                        }
                       $match->setData(array(
                                'value_id'   => $value->getId(),
                                'option_id'  => $option->getId(),
                                'product_id' => $productId,
                                'image'      => $image['name'],
                            ))
                            ->save();
                    }
                }
            }
        }

        return $this;
    }

    protected function _getRequest()
    {
        return Mage::app()->getRequest();
    }

}