/*+***********************************************************************************
 * The contents of this file are subject to the vtiger CRM Public License Version 1.0
 * ("License"); You may not use this file except in compliance with the License
 * The Original Code is:  vtiger CRM Open Source
 * The Initial Developer of the Original Code is vtiger.
 * Portions created by vtiger are Copyright (C) vtiger.
 * All Rights Reserved.
 *************************************************************************************/

Vtiger_Edit_Js("Documents_Edit_Js", {} ,{

	INTERNAL_FILE_LOCATION_TYPE : 'I',
	EXTERNAL_FILE_LOCATION_TYPE : 'E',

	getMaxiumFileUploadingSize : function(container) {
		//TODO : get it from the server
		return container.find('.maxUploadSize').data('value');
	},

	isFileLocationInternalType : function(fileLocationElement) {
		if(fileLocationElement.val() == this.INTERNAL_FILE_LOCATION_TYPE) {
			return true;
		}
		return false;
	},

	isFileLocationExternalType : function(fileLocationElement) {
		if(fileLocationElement.val() == this.EXTERNAL_FILE_LOCATION_TYPE) {
			return true;
		}
		return false;
	},

	convertFileSizeInToDisplayFormat : function(fileSizeInBytes) {
		 var i = -1;
		var byteUnits = [' kB', ' MB', ' GB', ' TB', 'PB', 'EB', 'ZB', 'YB'];
		do {
			fileSizeInBytes = fileSizeInBytes / 1024;
			i++;
		} while (fileSizeInBytes > 1024);

		return Math.max(fileSizeInBytes, 0.1).toFixed(1) + byteUnits[i];

	},

	registerFileLocationTypeChangeEvent : function(container) {
		var thisInstance = this;
		container.on('change', 'select[name="filelocationtype"]', function(e){
            var fileLocationTypeElement = container.find('[name="filelocationtype"]');
            var fileNameElement = container.find('[name="filename"]');
			if(thisInstance.isFileLocationInternalType(fileLocationTypeElement)) {
				var newFileNameElement = jQuery('<input type="file"/>');
			}else{
				var newFileNameElement = jQuery('<input type="text" />');
			}
			var oldElementAttributeList = fileNameElement.get(0).attributes;
			
			for(var index=0; index<oldElementAttributeList.length; index++) {
				var attributeObject = oldElementAttributeList[index];
				//Dont update the type attribute
				if(attributeObject.name=='type' || attributeObject.name == 'value'){
					continue;
				}
				var value = attributeObject.value
				if(attributeObject.name=='data-fieldinfo') {
					value = JSON.parse(value);
					if(thisInstance.isFileLocationExternalType(fileLocationTypeElement)) {
						value['type'] = 'url';
					}else{
						value['type'] = 'file';
					}
					value = JSON.stringify(value);
				}
				newFileNameElement.attr(attributeObject.name, value);
			}
			fileNameElement.replaceWith(newFileNameElement);
			var fileNameElementTd = newFileNameElement.closest('td');
			var uploadFileDetails = fileNameElementTd.find('.uploadedFileDetails');
			if(thisInstance.isFileLocationExternalType(fileLocationTypeElement)) {
				uploadFileDetails.addClass('hide').removeClass('show');
			}else{
				uploadFileDetails.addClass('show').removeClass('hide');
			}
		});
	},

	registerFileChangeEvent : function(container) {
		var thisInstance = this;
		container.on('change', 'input[name="filename"]', function(e){
            if(e.target.type == "text") return false;
            file = e.target.files[0];
			var element = container.find('[name="filename"]');
			//ignore all other types than file 
			if(element.attr('type') != 'file'){
				return ;
			}
			var uploadFileSizeHolder = element.closest('.fileUploadContainer').find('.uploadedFileSize');
			var fileSize = element.get(0).files[0].size;
			var maxFileSize = thisInstance.getMaxiumFileUploadingSize(container);
			if(fileSize > maxFileSize) {
				alert(app.vtranslate('JS_EXCEEDS_MAX_UPLOAD_SIZE'));
				element.val('');
				uploadFileSizeHolder.text('');
			}else{
				uploadFileSizeHolder.text(thisInstance.convertFileSizeInToDisplayFormat(fileSize));
			}

		});
	},
	/**
	 * Function to register event for ckeditor for description field
	 */
	registerEventForCkEditor : function(){
		var form = this.getForm();
		var noteContentElement = form.find('[name="notecontent"]');
		if(noteContentElement.length > 0){
			noteContentElement.removeAttr('data-validation-engine').addClass('ckEditorSource');
			var ckEditorInstance = new Vtiger_CkEditor_Js();
			ckEditorInstance.loadCkEditor(noteContentElement);
		}
	},
    
    /**
     * Function to save the quickcreate module
     * @param accepts form element as parameter
     * @return returns deferred promise
     */
    quickCreateSave: function(form) {
        var thisInstance = this;
        var aDeferred = jQuery.Deferred();
                    //Using formData object to send data to server as a multipart/form-data form submit
        var formData = new FormData(form[0]);
        var fileLocationTypeElement = form.find('[name="filelocationtype"]');
                    if(typeof file != "undefined" && thisInstance.isFileLocationInternalType(fileLocationTypeElement)){
                        formData.append("filename", file);
                        delete file;
                    }
                    if (formData) {
                        var params = {
                                        url: "index.php",
                                        type: "POST",
                                        data: formData,
                                        processData: false,
                                        contentType: false
                                     };
             AppConnector.request(params).then(
             function(data){
                 aDeferred.resolve(data);
             },
             function(textStatus, errorThrown){
                 aDeferred.reject(textStatus, errorThrown);
            });
        }
        return aDeferred.promise();
    },
    registerBasicEvents : function(container) {
        this._super(container);
        this.registerFileLocationTypeChangeEvent(container);
		this.registerFileChangeEvent(container);
    },

	registerEvents : function() {
		this.registerEventForCkEditor();
		this._super();
	}
});