<?php
/*
 +--------------------------------------------------------------------+
 | CiviCRM version 4.4                                                |
 +--------------------------------------------------------------------+
 | 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
 * $Id$
 *
 */

/**
 * This class build form elements for select exitsing or create new soft block
 */
class CRM_Contribute_Form_SoftCredit {

  /**
   * Function used to build form element for soft credit block
   *
   * @param object   $form form object
   * @access public
   *
   * @return void
   */
  static function buildQuickForm(&$form) {
    $prefix = 'soft_credit_';
    // by default generate 5 blocks
    $item_count = 6;

    $showSoftCreditRow = 2;
    $showCreateNew = TRUE;
    if ($form->_action & CRM_Core_Action::UPDATE) {
      $form->_softCreditInfo = CRM_Contribute_BAO_ContributionSoft::getSoftContribution($form->_id, TRUE);
      if (!empty($form->_softCreditInfo['soft_credit'])) {
        $showSoftCreditRow = count($form->_softCreditInfo['soft_credit']);
        $showSoftCreditRow++;
        $showCreateNew = FALSE;
      }
    }

    for ($rowNumber = 1; $rowNumber <= $item_count; $rowNumber++) {
      CRM_Contact_Form_NewContact::buildQuickForm($form, $rowNumber, NULL, FALSE, $prefix);

      $form->addMoney("{$prefix}amount[{$rowNumber}]", ts('Amount'), FALSE, NULL, FALSE);
      if (!empty($form->_softCreditInfo['soft_credit'][$rowNumber]['soft_credit_id'])) {
        $form->add('hidden', "{$prefix}id[{$rowNumber}]",
          $form->_softCreditInfo['soft_credit'][$rowNumber]['soft_credit_id']);
      }
    }

    // CRM-7368 allow user to set or edit PCP link for contributions
    $siteHasPCPs = CRM_Contribute_PseudoConstant::pcPage();
    if (!CRM_Utils_Array::crmIsEmptyArray($siteHasPCPs)) {
      $form->assign('siteHasPCPs', 1);
      $pcpDataUrl = CRM_Utils_System::url('civicrm/ajax/rest',
        'className=CRM_Contact_Page_AJAX&fnName=getPCPList&json=1&context=contact&reset=1',
        FALSE, NULL, FALSE
      );
      $form->assign('pcpDataUrl', $pcpDataUrl);
      $form->addElement('text', 'pcp_made_through', ts('Credit to a Personal Campaign Page'));
      $form->addElement('hidden', 'pcp_made_through_id', '', array('id' => 'pcp_made_through_id'));
      $form->addElement('checkbox', 'pcp_display_in_roll', ts('Display in Honor Roll?'), NULL);
      $form->addElement('text', 'pcp_roll_nickname', ts('Name (for Honor Roll)'));
      $form->addElement('textarea', 'pcp_personal_note', ts('Personal Note (for Honor Roll)'));
    }
    $form->assign('showSoftCreditRow', $showSoftCreditRow);
    $form->assign('rowCount', $item_count);
    $form->assign('showCreateNew', $showCreateNew);

    // Tell tpl to hide soft credit field if contribution is linked directly to a PCP Page
    if (CRM_Utils_Array::value('pcp_made_through_id', $form->_values)) {
      $form->assign('pcpLinked', 1);
    }
  }

  /**
   * Function used to set defaults for soft credit block
   */
  static function setDefaultValues(&$defaults, &$form) {
    if (!empty($form->_softCreditInfo['soft_credit'])) {
      foreach ($form->_softCreditInfo['soft_credit'] as $key => $value) {
        $defaults["soft_credit_amount[$key]"] = CRM_Utils_Money::format($value['amount'], NULL, '%a');
        $defaults["soft_credit_contact_select_id[$key]"] = $value['contact_id'];
      }
    }

    elseif (CRM_Utils_Array::value('pcp_id', $form->_softCreditInfo)) {
      $pcpInfo = $form->_softCreditInfo;
      $pcpId = CRM_Utils_Array::value('pcp_id', $pcpInfo);
      $pcpTitle = CRM_Core_DAO::getFieldValue('CRM_PCP_DAO_PCP', $pcpId, 'title');
      $contributionPageTitle = CRM_PCP_BAO_PCP::getPcpPageTitle($pcpId, 'contribute');
      $defaults['pcp_made_through'] = CRM_Utils_Array::value('sort_name', $pcpInfo) . " :: " . $pcpTitle . " :: " . $contributionPageTitle;
      $defaults['pcp_made_through_id'] = CRM_Utils_Array::value('pcp_id', $pcpInfo);
      $defaults['pcp_display_in_roll'] = CRM_Utils_Array::value('pcp_display_in_roll', $pcpInfo);
      $defaults['pcp_roll_nickname'] = CRM_Utils_Array::value('pcp_roll_nickname', $pcpInfo);
      $defaults['pcp_personal_note'] = CRM_Utils_Array::value('pcp_personal_note', $pcpInfo);
    }
  }

  /**
   * global form rule
   *
   * @param array $fields  the input form values
   *
   * @return true if no errors, else array of errors
   * @access public
   * @static
   */
  static function formRule($fields) {
    $errors = array();

    // if honor roll fields are populated but no PCP is selected
    if (!CRM_Utils_Array::value('pcp_made_through_id', $fields)) {
      if (CRM_Utils_Array::value('pcp_display_in_roll', $fields) ||
        CRM_Utils_Array::value('pcp_roll_nickname', $fields) ||
        CRM_Utils_Array::value('pcp_personal_note', $fields)
      ) {
        $errors['pcp_made_through'] = ts('Please select a Personal Campaign Page, OR uncheck Display in Honor Roll and clear both the Honor Roll Name and the Personal Note field.');
      }
    }

    if (!empty($fields['soft_credit_amount'])) {
      $repeat = array_count_values($fields['soft_credit_contact_select_id']);
      foreach ($fields['soft_credit_amount'] as $key => $val) {
        if (!empty($fields['soft_credit_contact_select_id'][$key])) {
          if ($repeat[$fields['soft_credit_contact_select_id'][$key]] > 1) {
            $errors["soft_credit_contact_select_id[$key]"] = ts('You cannot enter multiple soft credits for the same contact.');
          }
          if ($fields['soft_credit_amount'][$key]
            && (CRM_Utils_Rule::cleanMoney($fields['soft_credit_amount'][$key]) > CRM_Utils_Rule::cleanMoney($fields['total_amount']))) {
            $errors["soft_credit_amount[$key]"] = ts('Soft credit amount cannot be more than the total amount.');
          }
          if (empty($fields['soft_credit_amount'][$key])) {
            $errors["soft_credit_amount[$key]"] = ts('Please enter the soft credit amount.');
          }
        }
      }
    }
    return $errors;
  }
}