EbayTemplateDescriptionHandler = Class.create();
EbayTemplateDescriptionHandler.prototype = Object.extend(new CommonHandler(), {

    //----------------------------------

    initialize: function()
    {
        Validation.add('M2ePro-validate-condition-note-length', M2ePro.translator.translate('Condition description must be less then 1000 symbols.'), function(value) {
            if ($('condition_note_mode').value == M2ePro.php.constant('Ess_M2ePro_Model_Ebay_Template_Description::CONDITION_NOTE_MODE_NONE')) {
                return true;
            }

            return value.length <= 1000;
        });
    },

    //----------------------------------

    simple_mode_disallowed_hide : function()
    {
        $$('.simple_mode_disallowed').invoke('hide');
    },

    duplicate_click: function(headId, chapter_when_duplicate_text, templateNick)
    {
        var watermarkImageContainer = $('watermark_uploaded_image_container');

        if (watermarkImageContainer) {
            watermarkImageContainer.remove();
            $('watermark_image').setAttribute('class','M2ePro-required-when-visible');
            $$('#watermark_image_container td.label label').pop().insert('<span class="required">*</span>');
        }

        EbayTemplateEditHandlerObj.duplicate_click(headId, chapter_when_duplicate_text, templateNick);
    },

    //----------------------------------

    title_mode_change: function()
    {
        var self = EbayTemplateDescriptionHandlerObj;
        self.setTextVisibilityMode(this, 'custom_title_tr');
    },

    subtitle_mode_change: function()
    {
        var self = EbayTemplateDescriptionHandlerObj;
        self.setTextVisibilityMode(this, 'custom_subtitle_tr');
    },

    description_mode_change: function()
    {
        var self = EbayTemplateDescriptionHandlerObj;

        var viewEditCustomDescription = $('view_edit_custom_description');

        if (viewEditCustomDescription) {
            viewEditCustomDescription.hide();
        }

        $$('.c-custom_description_tr').invoke('hide');

        if (this.value == M2ePro.php.constant('Ess_M2ePro_Model_Ebay_Template_Description::DESCRIPTION_MODE_CUSTOM')) {
            if (viewEditCustomDescription) {
                viewEditCustomDescription.show();
                $$('.c-custom_description_tr').invoke('hide');
                return;
            }

            $$('.c-custom_description_tr').invoke('show');
        } else {
            if (viewEditCustomDescription) {
                viewEditCustomDescription.remove();
            }
        }
    },

    view_edit_custom_change: function()
    {
        $$('.c-custom_description_tr').invoke('show');
        $('view_edit_custom_description').hide();
    },

    item_condition_change: function()
    {
        var self = EbayTemplateDescriptionHandlerObj;

        $('condition_note_tr').show();
        $('condition_note_mode').simulate('change');

        var conditionModeCurrentValue = this.options[this.selectedIndex].up().getAttribute('condition_mode'),
            conditionModeValue = '',
            conditionValue     = '',
            conditionAttribute = '',
            isConditionNoteNeeded = true;

        if (conditionModeCurrentValue === null) {

            conditionModeValue = M2ePro.php.constant('Ess_M2ePro_Model_Ebay_Template_Description::CONDITION_MODE_NONE');
            isConditionNoteNeeded = false;

        } else if (conditionModeCurrentValue == M2ePro.php.constant('Ess_M2ePro_Model_Ebay_Template_Description::CONDITION_MODE_EBAY')) {
            conditionModeValue = M2ePro.php.constant('Ess_M2ePro_Model_Ebay_Template_Description::CONDITION_MODE_EBAY');
            conditionValue = this.value;
            isConditionNoteNeeded = conditionValue != M2ePro.php.constant('Ess_M2ePro_Model_Ebay_Template_Description::CONDITION_EBAY_NEW');

        } else {
            conditionModeValue = M2ePro.php.constant('Ess_M2ePro_Model_Ebay_Template_Description::CONDITION_MODE_ATTRIBUTE');
            conditionAttribute = this.value;
        }

        $('condition_mode').value = conditionModeValue;
        $('condition_value').value = conditionValue;
        $('condition_attribute').value = conditionAttribute;

        if (!isConditionNoteNeeded) {

            $('condition_note_mode').value = M2ePro.php.constant('Ess_M2ePro_Model_Ebay_Template_Description::CONDITION_NOTE_MODE_NONE');
            $('condition_note_mode').simulate('change');

            $('condition_note_tr').hide();
            $('custom_condition_note_tr').hide();
        }
    },

    condition_note_mode_change: function()
    {
        var self = EbayTemplateDescriptionHandlerObj;

        if (this.value == M2ePro.php.constant('Ess_M2ePro_Model_Ebay_Template_Description::CONDITION_NOTE_MODE_NONE')) {
            $('condition_note_template').update('');
        }

        self.setTextVisibilityMode(this, 'custom_condition_note_tr');
    },

    watermark_mode_change: function()
    {
        var self = EbayTemplateDescriptionHandlerObj;
        self.setTextVisibilityMode(this, 'watermark_image_container');
        if ($('watermark_uploaded_image_container')) {
            self.setTextVisibilityMode(this, 'watermark_uploaded_image_container');
        }

        if ($('watermark_scale').value != M2ePro.php.constant('Ess_M2ePro_Model_Ebay_Template_Description::WATERMARK_SCALE_MODE_STRETCH')) {
            self.setTextVisibilityMode(this, 'watermark_position_container');
        }

        self.setTextVisibilityMode(this, 'watermark_scale_container');
        self.setTextVisibilityMode(this, 'watermark_transparent_container');
    },

    watermark_scale_mode_change: function()
    {
        var self = EbayTemplateDescriptionHandlerObj;

        $('watermark_position_container').show();

        if (this.value == M2ePro.php.constant('Ess_M2ePro_Model_Ebay_Template_Description::WATERMARK_SCALE_MODE_STRETCH')) {
            $('watermark_position_container').hide();
        }
    },

    setTextVisibilityMode: function(obj, elementName)
    {
        var self = EbayTemplateDescriptionHandlerObj;

        $(elementName).hide();

        if (obj.value == 1) {
            $(elementName).show();
        }
    },

    //----------------------------------

    image_main_change: function()
    {
        var self = EbayTemplateDescriptionHandlerObj;

        $('gallery_images_mode_tr','use_supersize_images_tr','default_image_url_tr').invoke('show');

        if ($$('#variation_configurable_images option').length > 1) {
            $('variation_configurable_images_container').show();
        }

        var imageMainMode = this.options[this.selectedIndex].up().getAttribute('image_main_mode');
        if (imageMainMode === null) {
            imageMainMode = this.value;
        }

        $('image_main_mode').value = imageMainMode;
        if (imageMainMode == M2ePro.php.constant('Ess_M2ePro_Model_Ebay_Template_Description::IMAGE_MAIN_MODE_ATTRIBUTE')) {
            $('image_main_attribute').value = this.value;
        } else {
            $('image_main_attribute').value = '';
        }

        if (imageMainMode == M2ePro.php.constant('Ess_M2ePro_Model_Ebay_Template_Description::IMAGE_MAIN_MODE_NONE')) {
            $('gallery_images_mode_tr', 'variation_configurable_images_container','use_supersize_images_tr','default_image_url_tr').invoke('hide');
            $('use_supersize_images').value = 0;
            $('gallery_images').value = 0;
            $('gallery_images').simulate('change');
            $('variation_configurable_images').value = '';
            $('default_image_url').value = '';
        }

        if (this.selectedIndex == 0) {
            $('watermark_block').hide();

            var watermarkMode = $('watermark_mode');

            if (watermarkMode.selectedIndex != 0) {
                watermarkMode.selectedIndex = 0;
                watermarkMode.simulate('change');
            }
        } else {
            $('watermark_block').show();
        }
    },

    gallery_images_change: function()
    {
        var self = EbayTemplateDescriptionHandlerObj;

        $('gallery_images_limit').value = '';
        $('gallery_images_attribute').value = '';

        var galleryImagesMode = this.options[this.selectedIndex].up().getAttribute('gallery_images_mode');

        if (galleryImagesMode === null) {
            $('gallery_images_mode').value = this.value;
        } else if (galleryImagesMode == M2ePro.php.constant('Ess_M2ePro_Model_Ebay_Template_Description::GALLERY_IMAGES_MODE_PRODUCT')) {
            $('gallery_images_mode').value = galleryImagesMode;
            $('gallery_images_limit').value = this.value;
        } else if (galleryImagesMode == M2ePro.php.constant('Ess_M2ePro_Model_Ebay_Template_Description::GALLERY_IMAGES_MODE_ATTRIBUTE')) {
            $('gallery_images_mode').value = galleryImagesMode;
            $('gallery_images_attribute').value = this.value;
        }
    },

    //----------------------------------

    image_width_mode_change: function()
    {
        $('image_width_span')[this.value == 1 ? 'show' : 'hide']();
    },

    image_height_mode_change: function()
    {
        $('image_height_span')[this.value == 1 ? 'show' : 'hide']();
    },

    image_margin_mode_change: function()
    {
        $('image_margin_span')[this.value == 1 ? 'show' : 'hide']();
    },

    select_attributes_image_change: function()
    {
        $$('.all-products-images').invoke(this.value == 'media_gallery' ? 'show' : 'hide');
        if (this.value == 'image') {
            $('display_products_images').value = 'custom_settings';
        }
        $('display_products_images').simulate('change');
    },

    display_products_images_change: function()
    {
        $$('.products-images-custom-settings').invoke('hide');
        $$('.products-images-gallery-view').invoke('hide');

        if (this.value == 'gallery_view') {
            $$('.products-images-gallery-view').invoke('show');
        } else {
            $$('.products-images-custom-settings').invoke('show');
        }
    },

    insertGallery: function()
    {
        var template = '#' + $('select_attributes_image').value;

        if ($('image_width_mode').value == '1') {
            template += '[' + $('image_width').value + ',';
        } else {
            template += '[,';
        }

        if ($('image_height_mode').value == '1') {
            template += '' + $('image_height').value + ',';
        } else {
            template += ',';
        }

        if ($('image_margin_mode').value == '1') {
            template += '' + $('image_margin').value + ',';
        } else {
            template += ',';
        }

        if ($('select_attributes_image').value == 'media_gallery' && $('display_products_images').value == 'gallery_view')  {
            template += '2';
        } else if ($('image_linked_mode').value == '1') {
            template += '1';
        } else {
            template += "0";
        }

        if ($('select_attributes_image').value == 'media_gallery') {
            template += ',' + $('select_attributes_image_layout').value + ',' + $('select_attributes_image_count').value;
        }

        if ($('select_attributes_image').value == 'media_gallery' && $('display_products_images').value == 'gallery_view') {
            template += ',"' + $('gallery_hint_text').value + '"';
        } else if ($('select_attributes_image').value == 'media_gallery') {
            //media_gallery with empty gallery hint
            template += ',""';
        }

        template += ']#';

        EbayTemplateDescriptionHandlerObj.appendToTextarea(template);
        EbayTemplateDescriptionHandlerObj.stopObservingImageAttributes();
    },

    appendToText: function(ddId, targetId)
    {
        var suffix = ' #' + $(ddId).value + '#';
        $(targetId).value = $(targetId).value + suffix;
    },

    appendToTextarea: function(v)
    {
        var data;

        if (wysiwygtext.isEnabled()) {
            data = tinyMCE.get('description_template').getContent();
            tinyMCE.get('description_template').setContent(data + ' ' + v);
        } else {
            data = $('description_template').value + ' ' + v;
            $('description_template').value = data;
        }
    },

    //----------------------------------

    observeImageAttributes : function()
    {
        $('image_width_mode').observe('change', EbayTemplateDescriptionHandlerObj.image_width_mode_change);
        $('image_height_mode').observe('change', EbayTemplateDescriptionHandlerObj.image_height_mode_change);
        $('image_margin_mode').observe('change', EbayTemplateDescriptionHandlerObj.image_margin_mode_change);

        $('select_attributes_image')
                .observe('change', EbayTemplateDescriptionHandlerObj.select_attributes_image_change)
                .simulate('change');

        $('display_products_images')
                .observe('change', EbayTemplateDescriptionHandlerObj.display_products_images_change);
    },

    stopObservingImageAttributes : function()
    {
        $('image_width_mode').stopObserving();
        $('image_height_mode').stopObserving();
        $('image_margin_mode').stopObserving();

        $('select_attributes_image').stopObserving();

        dialog_image_window.close();
    },

    openInsertImageWindow : function()
    {
        dialog_image_window = Dialog.info(null, {
            draggable: true,
            resizable: true,
            closable: true,
            className: 'magento',
            windowClassName: 'popup-window',
            title: M2ePro.translator.translate('Adding Image'),
            top: 150,
            width: 650,
            height: 350,
            zIndex: 100,
            recenterAuto: false,
            hideEffect: Element.hide,
            showEffect: Element.show,
            id: 'new-image',
            closeCallback: function() {
                $('image_insertion_container').appendChild($('image_insertion'));

                return true;
            }
        });

        $('modal_dialog_message').appendChild($('image_insertion'));

        $('new-image_close').writeAttribute('onclick', 'EbayTemplateDescriptionHandlerObj.stopObservingImageAttributes()');

        EbayTemplateDescriptionHandlerObj.observeImageAttributes();
    },

    //----------------------------------

    saveWatermarkImage : function(callback, params)
    {
        var form  = $('edit_form');

        form.action = M2ePro.url.get('adminhtml_ebay_template_description/saveWatermarkImage');
        form.target = 'watermark_image_frame';

        if ($('watermark_image_frame') === null) {
            document.body.appendChild(new Element('iframe',{
                id: 'watermark_image_frame',
                name: 'watermark_image_frame',
                style: 'display: none'
            }));
        }

        $('watermark_image_frame').observe('load',function(){
            if (typeof callback == 'function') {
                callback(params);
            }
        });

        form.submit();
    },

    //----------------------------------

    preview_click: function(attributeSets)
    {
        this.submitForm(
            M2ePro.url.get('adminhtml_ebay_template_description/preview'), true
        );
    }

    //----------------------------------
});