<?php
// $Id$

/*
 +--------------------------------------------------------------------+
 | CiviCRM version 4.3                                                |
 +--------------------------------------------------------------------+
 | Copyright CiviCRM LLC (c) 2004-2013                                |
 +--------------------------------------------------------------------+
 | This file is a part of CiviCRM.                                    |
 |                                                                    |
 | CiviCRM is free software; you can copy, modify, and distribute it  |
 | under the terms of the GNU Affero General Public License           |
 | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
 |                                                                    |
 | CiviCRM is distributed in the hope that it will be useful, but     |
 | WITHOUT ANY WARRANTY; without even the implied warranty of         |
 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
 | See the GNU Affero General Public License for more details.        |
 |                                                                    |
 | You should have received a copy of the GNU Affero General Public   |
 | License and the CiviCRM Licensing Exception along                  |
 | with this program; if not, contact CiviCRM LLC                     |
 | at info[AT]civicrm[DOT]org. If you have questions about the        |
 | GNU Affero General Public License or the licensing of CiviCRM,     |
 | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
 +--------------------------------------------------------------------+
*/

/**
 *
 * @package CRM
 * @copyright CiviCRM LLC (c) 2004-2013
 * $Id$
 *
 */
class CRM_Report_Form_Instance {

  static function buildForm(&$form) {
    // we should not build form elements in dashlet mode
    if ($form->_section) {
      return;
    }

    // check role based permission
    $instanceID = $form->getVar('_id');
    if ($instanceID && !CRM_Report_Utils_Report::isInstanceGroupRoleAllowed($instanceID)) {
      $url = CRM_Utils_System::url('civicrm/report/list', 'reset=1');
      CRM_Core_Error::statusBounce(ts('You do not have permission to access this report.'),
        $url
      );
    }

    $attributes = CRM_Core_DAO::getAttribute('CRM_Report_DAO_Instance');

    $form->add('text',
      'title',
      ts('Report Title'),
      $attributes['title']
    );

    $form->add('text',
      'description',
      ts('Report Description'),
      $attributes['description']
    );

    $form->add('text',
      'email_subject',
      ts('Subject'),
      $attributes['email_subject']
    );

    $form->add('text',
      'email_to',
      ts('To'),
      $attributes['email_to']
    );

    $form->add('text',
      'email_cc',
      ts('CC'),
      $attributes['email_subject']
    );

    $form->add('textarea',
      'report_header',
      ts('Report Header'),
      $attributes['header']
    );

    $form->add('textarea',
      'report_footer',
      ts('Report Footer'),
      $attributes['footer']
    );

    $form->addElement('checkbox', 'is_navigation', ts('Include Report in Navigation Menu?'), NULL,
      array('onclick' => "return showHideByValue('is_navigation','','navigation_menu','table-row','radio',false);")
    );

    $form->addElement('checkbox', 'addToDashboard', ts('Available for Dashboard?'));
    $form->addElement('checkbox', 'is_reserved', ts('Reserved Report?'));
    if (!CRM_Core_Permission::check('administer reserved reports')) {
      $form->freeze('is_reserved');
    }

    $config = CRM_Core_Config::singleton();
    if ($config->userFramework != 'Joomla' ||
      $config->userFramework != 'WordPress'
    ) {
      $form->addElement('select',
        'permission',
        ts('Permission'),
        array('0' => ts('Everyone (includes anonymous)')) + CRM_Core_Permission::basicPermissions()
      );

      // prepare user_roles to save as names not as ids
      if (function_exists('user_roles')) {
        $user_roles_array = user_roles();
        foreach ($user_roles_array as $key => $value) {
          $user_roles[$value] = $value;
        }
        $grouprole = &$form->addElement('advmultiselect',
          'grouprole',
          ts('ACL Group/Role'),
          $user_roles,
          array(
            'size' => 5,
            'style' => 'width:240px',
            'class' => 'advmultiselect',
          )
        );
        $grouprole->setButtonAttributes('add', array('value' => ts('Add >>')));
        $grouprole->setButtonAttributes('remove', array('value' => ts('<< Remove')));
      }
    }

    // navigation field
    $parentMenu = CRM_Core_BAO_Navigation::getNavigationList();

    $form->add('select', 'parent_id', ts('Parent Menu'), array('' => ts('-- select --')) + $parentMenu);

    // For now we only providing drilldown for one primary detail report only. In future this could be multiple reports
    foreach ($form->_drilldownReport as $reportUrl => $drillLabel) {
      $instanceList = CRM_Report_Utils_Report::getInstanceList($reportUrl);
      if (count($instanceList) > 1)
        $form->add('select', 'drilldown_id', $drillLabel, array('' => ts('- select -')) + $instanceList);
      break;
    }

    $form->addButtons(array(
        array(
          'type' => 'submit',
          'name' => ts('Save Report'),
          'isDefault' => TRUE,
        ),
        array(
          'type' => 'cancel',
          'name' => ts('Cancel'),
        ),
      )
    );

    $form->addFormRule(array('CRM_Report_Form_Instance', 'formRule'), $form);
  }

  static function formRule($fields, $errors, $self) {
    $buttonName = $self->controller->getButtonName();
    $selfButtonName = $self->getVar('_instanceButtonName');

    $errors = array();
    if ($selfButtonName == $buttonName) {
      if (empty($fields['title'])) {
        $errors['title'] = ts('Title is a required field');
        $self->assign('instanceFormError', TRUE);
      }
    }

    return empty($errors) ? TRUE : $errors;
  }

  static function setDefaultValues(&$form, &$defaults) {
    // we should not build form elements in dashlet mode
    if ($form->_section) {
      return;
    }

    $instanceID = $form->getVar('_id');
    $navigationDefaults = array();

    if (!isset($defaults['permission'])){
    $permissions = array_flip(CRM_Core_Permission::basicPermissions( ));
    $defaults['permission'] = $permissions['CiviReport: access CiviReport'];
    }

    $config = CRM_Core_Config::singleton();
    $defaults['report_header'] = $report_header = "<html>
  <head>
    <title>CiviCRM Report</title>
    <meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
    <style type=\"text/css\">@import url({$config->userFrameworkResourceURL}css/print.css);</style>
  </head>
  <body><div id=\"crm-container\">";

    $defaults['report_footer'] = $report_footer = "<p><img src=\"{$config->userFrameworkResourceURL}i/powered_by.png\" /></p></div></body>
</html>
";

    if ($instanceID) {
      // this is already retrieved via Form.php
      $defaults['description'] = CRM_Utils_Array::value('description', $defaults);
      $defaults['report_header'] = CRM_Utils_Array::value('header', $defaults);
      $defaults['report_footer'] = CRM_Utils_Array::value('footer', $defaults);

      if (CRM_Utils_Array::value('navigation_id', $defaults)) {
        //get the default navigation parent id
        $params = array('id' => $defaults['navigation_id']);
        CRM_Core_BAO_Navigation::retrieve($params, $navigationDefaults);
        $defaults['is_navigation'] = 1;
        $defaults['parent_id'] = CRM_Utils_Array::value('parent_id', $navigationDefaults);

        if (CRM_Utils_Array::value('is_active', $navigationDefaults)) {
          $form->assign('is_navigation', TRUE);
        }

        if (CRM_Utils_Array::value('id', $navigationDefaults)) {
          $form->_navigation['id'] = $navigationDefaults['id'];
          $form->_navigation['parent_id'] = $navigationDefaults['parent_id'];
        }
      }

      if (CRM_Utils_Array::value('grouprole', $defaults)) {
        foreach (explode(CRM_Core_DAO::VALUE_SEPARATOR, $defaults['grouprole']) as $value) {
          $grouproles[] = $value;
        }
        $defaults['grouprole'] = $grouproles;
      }
    }
    else {
      $defaults['description'] = $form->_description;
    }
  }

  static function postProcess(&$form, $redirect = TRUE) {
    $params              = $form->getVar('_params');
    $config              = CRM_Core_Config::singleton();
    $params['header']    = CRM_Utils_Array::value('report_header',$params);
    $params['footer']    = CRM_Utils_Array::value('report_footer',$params);
    $params['domain_id'] = CRM_Core_Config::domainID();

    //navigation parameters
    if (CRM_Utils_Array::value('is_navigation', $params)) {
      $form->_navigation['permission'] = array();
      $form->_navigation['label'] = $params['title'];
      $form->_navigation['name']  = $params['title'];

      $permission = CRM_Utils_Array::value('permission', $params);

      $form->_navigation['current_parent_id'] = CRM_Utils_Array::value('parent_id', $form->_navigation);
      $form->_navigation['parent_id'] = CRM_Utils_Array::value('parent_id', $params);
      $form->_navigation['is_active'] = 1;

      if ($permission) {
        $form->_navigation['permission'][] = $permission;
      }
      //unset the navigation related element,
      //not used in report form values
      unset($params['parent_id']);
      unset($params['is_navigation']);
    }

    // convert roles array to string
    if (isset($params['grouprole']) && is_array($params['grouprole'])) {
      $grouprole_array = array();
      foreach ($params['grouprole'] as $key => $value) {
        $grouprole_array[$value] = $value;
      }
      $params['grouprole'] = implode(CRM_Core_DAO::VALUE_SEPARATOR,
        array_keys($grouprole_array)
      );
    }

    // add to dashboard
    $dashletParams = array();
    if (CRM_Utils_Array::value('addToDashboard', $params)) {
      $dashletParams = array(
        'label' => $params['title'],
        'is_active' => 1,
      );

      $permission = CRM_Utils_Array::value('permission', $params);
      if ($permission) {
        $dashletParams['permission'][] = $permission;
      }
    }
    $params['is_reserved'] = CRM_Utils_Array::value('is_reserved', $params, FALSE);

    $dao = new CRM_Report_DAO_Instance();
    $dao->copyValues($params);

    if ($config->userFramework == 'Joomla') {
      $dao->permission = 'null';
    }

    // explicitly set to null if params value is empty
    if (empty($params['grouprole'])) {
      $dao->grouprole = 'null';
    }

    // unset all the params that we use
    $fields = array(
      'title', 'to_emails', 'cc_emails', 'header', 'footer',
      'qfKey', '_qf_default', 'report_header', 'report_footer', 'grouprole',
    );
    foreach ($fields as $field) {
      unset($params[$field]);
    }
    $dao->form_values = serialize($params);

    $instanceID = $form->getVar('_id');
    $isNew = $form->getVar('_createNew');
    $isCopy = 0;
    
    if ($instanceID) {
      if (!$isNew) {
        // updating an existing report instance
        $dao->id = $instanceID;        
      } else {
        // making a copy of an existing instance
        $isCopy = 1;
      }
    }

    $dao->report_id = CRM_Report_Utils_Report::getValueFromUrl($instanceID);

    $dao->save();

    $form->set('id', $dao->id);

    if (!empty($form->_navigation)) {
      if ($isNew && CRM_Utils_Array::value('id', $form->_navigation)) {
        unset($form->_navigation['id']);
      }
      $form->_navigation['url'] = "civicrm/report/instance/{$dao->id}&reset=1";
      $navigation = CRM_Core_BAO_Navigation::add($form->_navigation);

      if (CRM_Utils_Array::value('is_active', $form->_navigation)) {
        //set the navigation id in report instance table
        CRM_Core_DAO::setFieldValue('CRM_Report_DAO_Instance', $dao->id, 'navigation_id', $navigation->id);
      }
      else {
        // has been removed from the navigation bar
        CRM_Core_DAO::setFieldValue('CRM_Report_DAO_Instance', $dao->id, 'navigation_id', 'NULL');
      }

      //reset navigation
      CRM_Core_BAO_Navigation::resetNavigation();
    }

    // add to dashlet
    if (!empty($dashletParams)) {
      $section = 2;
      $chart = '';
      if (CRM_Utils_Array::value('charts', $params)) {
        $section = 1;
        $chart = "&charts=" . $params['charts'];
      }

      $dashletParams['url'] = "civicrm/report/instance/{$dao->id}&reset=1&section={$section}&snippet=5{$chart}&context=dashlet";
      $dashletParams['fullscreen_url'] = "civicrm/report/instance/{$dao->id}&reset=1&section={$section}&snippet=5{$chart}&context=dashletFullscreen";
      $dashletParams['instanceURL'] = "civicrm/report/instance/{$dao->id}";
      CRM_Core_BAO_Dashboard::addDashlet($dashletParams);
    }

    $instanceParams   = array('value' => $dao->report_id);
    $instanceDefaults = array();
    $cmpName          = "Contact";
    $statusMsg        = "null";
    CRM_Core_DAO::commonRetrieve('CRM_Core_DAO_OptionValue',
      $instanceParams,
      $instanceDefaults
    );

    if ($cmpID = CRM_Utils_Array::value('component_id', $instanceDefaults)) {
      $cmpName = CRM_Core_DAO::getFieldValue('CRM_Core_DAO_Component', $cmpID,
        'name', 'id'
      );
      $cmpName = substr($cmpName, 4);
    }

    if ($instanceID && !$isNew) {
      // updating existing instance
      $statusMsg = ts('"%1" report has been updated.', array(1 => $dao->title));
    } elseif ($isCopy) {
      $statusMsg = ts('Your report has been successfully copied as "%1". You are currently viewing the new copy.', array(1 => $dao->title));
    } else {
      $statusMsg = ts('"%1" report has been successfully created. You are currently viewing the new report instance.', array(1 => $dao->title));
    }

    $instanceUrl = CRM_Utils_System::url("civicrm/report/instance/{$dao->id}",
      "reset=1"
    );
          
    CRM_Core_Session::setStatus($statusMsg);

    if ( $redirect ) {
      CRM_Utils_System::redirect($instanceUrl);
    }
  }
}