<?php

/**
 * Signup standalone block to be used on different places
 *
 * @category   Ebizmarts
 * @package    Ebizmarts_MageMonkey
 * @author     Ebizmarts Team <info@ebizmarts.com>
 */
class Ebizmarts_MageMonkey_Block_Lists extends Mage_Core_Block_Template
{

	protected $_lists  = array();
	protected $_info  = array();
	protected $_myLists = array();
	protected $_generalList = array();
	protected $_form;
	protected $_api;

	/**
	 * Get API instance (singleton)
	 *
	 * @return Ebizmarts_MageMonkey_Model_Api
	 */
	public function getApi()
	{
		if(is_null($this->_api)){
			$this->_api = Mage::getSingleton('monkey/api');
		}
		return $this->_api;
	}

	public function getSaveUrl()
	{
		return $this->getUrl('monkey/signup/saveadditional');
	}

	/**
	 * Check if GENERAL list can be shown on ALL LISTS template
	 *
	 * @return bool
	 */
	public function getShowGeneral()
	{
		$action = $this->getRequest()->getActionName();
		$controller = $this->getRequest()->getControllerName();

		return (bool)!($action == 'savePayment' && $controller == 'onepage');
	}

	public function notInMyAccount()
	{
		$action = $this->getRequest()->getActionName();
		$controller = $this->getRequest()->getControllerName();
		$module = $this->getRequest()->getModuleName();

		return (bool)!($action == 'index' && $controller == 'customer_account' && $module == 'monkey');
	}

	/**
	 * Show form items or not if customer is logged in and / or is on register page
	 *
	 * @return bool
	 */
	public function getCanShowButton()
	{
		$ary = array(
						'/customer/account/create/',
						'/checkout/onepage/savePayment/',
						'/onestepcheckout/',
					);
		$requestString = $this->getRequest()->getRequestString();

		return !in_array($requestString, $ary);
	}

	/**
	 * Get default list data from MC
	 *
	 * @return array
	 */
	public function getGeneralList()
	{
		$list = $this->helper('monkey')->config('list');

		if($list){
			if(empty($this->_generalList)){

				$api      = $this->getApi();
				$listData = $api->lists(array('list_id' => $list));

				if(empty($this->_myLists)){
					$this->_myLists = $api->listsForEmail($this->_getEmail());
				}

				if($listData['total'] > 0){
					$this->_generalList = array(
												'id'   => $listData['data'][0]['id'],
												'name' => $this->__('General Subscription'),
												'interest_groupings' => $this->helper('monkey')->filterShowGroupings($api->listInterestGroupings($listData['data'][0]['id'])),
											   );
				}
			}
		}

		return $this->_generalList;
	}

	/**
	 * Get additional lists data from MC
	 *
	 * @return array
	 */
	public function getLists()
	{
		$additionalLists = $this->helper('monkey')->config('additional_lists');

		if($additionalLists){

			if(empty($this->_lists)){
				$api     = $this->getApi();

				if(empty($this->_myLists)){
					$this->_myLists = $api->listsForEmail($this->_getEmail());
				}

				$lists   = $api->lists(array('list_id' => $additionalLists));

				if($lists['total'] > 0){
					foreach($lists['data'] as $list){
						$this->_lists []= array(
												'id'   => $list['id'],
												'name' => $list['name'],
												'interest_groupings' => $this->helper('monkey')->filterShowGroupings($api->listInterestGroupings($list['id'])),
											   );

					}
				}
			}

		}

		return $this->_lists;
	}

	/**
	 * Getter for class property
	 *
	 * @return array
	 */
	public function getSubscribedLists()
	{
		if(!is_array($this->_myLists)){
			return array();
		}
		return $this->_myLists;
	}

	/**
	 * Utility to generate HTML name for element
	 * @param string $list
	 * @param string $group
	 * @param bool $multiple
	 * @return string
	 */
	protected function _htmlGroupName($list, $group = NULL, $multiple = FALSE)
	{
		$htmlName = "list[{$list['id']}]";

		if(!is_null($group)){
			$htmlName .= "[{$group['id']}]";
		}

		if(TRUE === $multiple){
			$htmlName .= '[]';
		}

		return $htmlName;
	}

    /**
     * Form getter/instantiation
     *
     * @return Varien_Data_Form
     */
    public function getForm()
    {
        if ($this->_form instanceof Varien_Data_Form) {
            return $this->_form;
        }
        $form = new Varien_Data_Form();
        return $form;
    }

	/**
	 * Get MC member information for an specific list
	 *
	 * @param string $listId ID of list in MC
	 * @return array Member info on list
	 */
	protected function _memberInfo($listId)
	{
		if( FALSE === array_key_exists($listId, $this->_info) ){
			$this->_info[$listId] = $this->getApi()->listMemberInfo($listId, $this->_getEmail());
		}

		return $this->_info[$listId];
	}

	/**
	 * Render interest grouping with its groups
	 *
	 * @param array $group Group data from MC
	 * @param array $list List data from MC
	 * @return string HTML code
	 */
	public function renderGroup($group, $list)
	{

		$fieldType = $group['form_field'];

		$memberInfo = $this->_memberInfo($list['id']);

		$myGroups = array();
		if($memberInfo['success'] == 1){
			$groupings = $memberInfo['data'][0]['merges']['GROUPINGS'];

			foreach($groupings as $_group){
				if(!empty($_group['groups'])){

					if($fieldType == 'checkboxes'){
						$myGroups[$_group['id']] = explode(', ', $_group['groups']);
					}elseif($fieldType == 'radio'){
						$myGroups[$_group['id']] = array($_group['groups']);
					}else{
						$myGroups[$_group['id']] = $_group['groups'];
					}

				}
			}
		}

		switch ($fieldType) {
			case 'radio':
				$class = 'Varien_Data_Form_Element_Radios';
				break;
			case 'checkboxes':
				$class = 'Varien_Data_Form_Element_Checkboxes';
				break;
			case 'dropdown':
				$class = 'Varien_Data_Form_Element_Select';
				break;
			default:
				$class = 'Varien_Data_Form_Element_Text';
				break;
		}

		$object = new $class;
		$object->setForm($this->getForm());

		//Check/select values
		if(isset($myGroups[$group['id']])){
			$object->setValue($myGroups[$group['id']]);
		}else{
			$object->setValue(array());
		}

		if($fieldType == 'checkboxes' || $fieldType == 'dropdown'){

			$options = array();

			if($fieldType == 'dropdown'){
				$options[''] = '';
			}

			foreach($group['groups'] as $g){
				$options [$g['name']] = $g['name'];
			}

			if(method_exists('Varien_Data_Form_Element_Checkboxes', 'addElementValues')){
				$object->addElementValues($options);
			}else{
				$object->setValues($options);
			}

			$object->setName( $this->_htmlGroupName($list, $group, ($fieldType == 'checkboxes' ? TRUE : FALSE)) );
			$object->setHtmlId('interest-group');

			$html = $object->getElementHtml();

		}elseif($fieldType == 'radio'){

			$options = array();
			foreach($group['groups'] as $g){
				$options [] = new Varien_Object(array('value' => $g['name'], 'label' => $g['name']));
			}

			$object->setName($this->_htmlGroupName($list, $group));
			$object->setHtmlId('interest-group');

			if(method_exists('Varien_Data_Form_Element_Checkboxes', 'addElementValues')){
				$object->addElementValues($options);
			}else{
				$object->setValues($options);
			}

			$html = $object->getElementHtml();
		}

		if($fieldType != 'checkboxes'){
			$html = "<div class=\"groups-list\">{$html}</div>";
		}

		return $html;

	}

	/**
	 * Retrieve email from Customer object in session
	 *
	 * @return string Email address
	 */
	protected function _getEmail()
	{
		return $this->helper('customer')->getCustomer()->getEmail();
	}

	/**
	 * Return HTML code for list <label> with checkbox, checked if subscribed, otherwise not
	 *
	 * @param array $list List data from MC
	 * @return string HTML code
	 */
	public function listLabel($list)
	{
		$myLists = $this->getSubscribedLists();

		$checkbox = new Varien_Data_Form_Element_Checkbox;
		$checkbox->setForm($this->getForm());
		$checkbox->setHtmlId('list-' . $list['id']);
		$checkbox->setChecked((bool)(is_array($myLists) && in_array($list['id'], $myLists)));
		$checkbox->setTitle( ($checkbox->getChecked() ? $this->__('Click to unsubscribe from this list.') : $this->__('Click to subscribe to this list.')) );
		$checkbox->setLabel($list['name']);

		$hname = $this->_htmlGroupName($list);
		$checkbox->setName($hname . '[subscribed]');

		$checkbox->setValue($list['id']);
		$checkbox->setClass('monkey-list-subscriber');


		return $checkbox->getLabelHtml() . $checkbox->getElementHtml();
	}
}