<?php
/*
 +--------------------------------------------------------------------+
 | Copyright CiviCRM LLC. All rights reserved.                        |
 |                                                                    |
 | This work is published under the GNU AGPLv3 license with some      |
 | permitted exceptions and without any warranty. For full license    |
 | and copyright information, see https://civicrm.org/licensing       |
 +--------------------------------------------------------------------+
 */

/**
 *
 * @package CRM
 * @copyright CiviCRM LLC https://civicrm.org/licensing
 */

/**
 * This class generates form components for Membership Type
 *
 */
class CRM_Member_Form_MembershipType extends CRM_Member_Form_MembershipConfig {

  use CRM_Core_Form_EntityFormTrait;

  protected $submittableMoneyFields = ['minimum_fee'];

  /**
   * Set entity fields to be assigned to the form.
   */
  protected function setEntityFields() {
    $this->entityFields = [
      'name' => [
        'required' => 'TRUE',
        'name' => 'name',
        'description' => ts("e.g. 'Student', 'Senior', 'Honor Society'..."),
      ],
      'description' => [
        'name' => 'description',
        'description' => ts("Description of this membership type for internal use. May include eligibility, benefits, terms, etc."),
      ],
      'member_of_contact_id' => [
        'name' => 'member_of_contact_id',
        'description' => ts("Members assigned this membership type belong to which organization (e.g. this is for membership in 'Save the Whales - Northwest Chapter'). NOTE: This organization/group/chapter must exist as a CiviCRM Organization type contact."),
      ],
      'minimum_fee' => [
        'name' => 'minimum_fee',
        'description' => ts('Minimum fee required for this membership type. For free/complimentary memberships - set minimum fee to zero (0). NOTE: When using CiviCRM to process sales taxes this should be the tax exclusive amount.'),
        'formatter' => 'crmMoney',
      ],
      'financial_type_id' => [
        'name' => 'financial_type_id',
        'description' => ts('Select the financial type assigned to fees for this membership type (for example \'Membership Fees\'). This is required for all membership types - including free or complimentary memberships.'),
        'required' => TRUE,
      ],
      'auto_renew' => [
        'name' => 'auto_renew',
        'options' => CRM_Core_SelectValues::memberAutoRenew(),
        // Note this doesn't get used currently because the template has its own code for this field. Note also the documentation link that you see in the template is added later here down below.
        'description' => ts('You will need to select and configure a supported payment processor (currently Authorize.Net, PayPal Pro, or PayPal Website Standard) in order to offer automatically renewing memberships.'),
      ],
      'duration_interval' => [
        'name' => 'duration_interval',
        'required' => TRUE,
      ],
      'duration_unit' => [
        'name' => 'duration_unit',
        'description' => ts('Duration of this membership (e.g. 30 days, 2 months, 5 years, 1 lifetime)'),
        'required' => TRUE,
      ],
      'period_type' => [
        'name' => 'period_type',
        'description' => ts("Select 'rolling' if membership periods begin at date of signup. Select 'fixed' if membership periods begin on a set calendar date."),
        'help' => ['id' => 'period_type', 'file' => "CRM/Member/Page/MembershipType"],
        'required' => TRUE,
      ],
      'fixed_period_start_day' => [
        'name' => 'fixed_period_start_day',
        'description' => ts("Month and day on which a <strong>fixed</strong> period membership or subscription begins. Example: A fixed period membership with Start Day set to Jan 01 means that membership periods would be 1/1/06 - 12/31/06 for anyone signing up during 2006."),
        // Not relying on auto-add until we have checked out the options function.
        'not-auto-addable' => TRUE,
      ],
      'fixed_period_rollover_day' => [
        'name' => 'fixed_period_rollover_day',
        'description' => ts('Membership signups on or after this date cover the following calendar year as well. Example: If the rollover day is November 30, membership period for signups during December will cover the following year.'),
        // Not relying on auto-add until we have checked out the options function.
        'not-auto-addable' => TRUE,
      ],
      'relationship_type_id' => [
        'name' => 'relationship_type_id',
        // Not relying on auto-add until we have checked out the options function.
        'not-auto-addable' => TRUE,
      ],
      'max_related' => [
        'name' => 'max_related',
        'description' => ts('Maximum number of related memberships (leave blank for unlimited).'),
      ],
      'visibility' => [
        'name' => 'visibility',
        'description' => ts("Can this membership type be used for self-service signups ('Public'), or is it only for CiviCRM users with 'Edit Contributions' permission ('Admin')."),
      ],
      'weight' => [
        'name' => 'weight',
      ],
      'is_active' => [
        'name' => 'is_active',
      ],
    ];

    if (!CRM_Financial_BAO_PaymentProcessor::hasPaymentProcessorSupporting(['Recurring'])) {
      $this->entityFields['auto_renew']['not-auto-addable'] = TRUE;
      $this->entityFields['auto_renew']['documentation_link'] = ['page' => 'user/contributions/payment-processors', 'resource' => ''];
    }
  }

  /**
   * Explicitly declare the entity api name.
   */
  public function getDefaultEntity() {
    return 'MembershipType';
  }

  /**
   * Set the delete message.
   *
   * We do this from the constructor in order to do a translation.
   */
  public function setDeleteMessage() {
    $this->deleteMessage = $this->deleteMessage = implode(
      ' ',
      [
        ts('WARNING: Deleting this option will result in the loss of all membership records of this type.'),
        ts('This may mean the loss of a substantial amount of data, and the action cannot be undone.'),
        ts('Do you want to continue?'),
      ]
    );
  }

  /**
   * Explicitly declare the form context.
   */
  public function getDefaultContext() {
    return 'create';
  }

  /**
   * Max number of contacts we will display for membership-organisation
   */
  const MAX_CONTACTS = 50;

  public function preProcess() {
    $this->_id = CRM_Utils_Request::retrieve('id', 'Positive', $this, FALSE, 0);
    $this->_BAOName = 'CRM_Member_BAO_MembershipType';
    $this->_action = CRM_Utils_Request::retrieve('action', 'String', $this, FALSE, 'add');
    $this->assign('action', $this->_action);

    $session = CRM_Core_Session::singleton();
    $url = CRM_Utils_System::url('civicrm/admin/member/membershipType', 'reset=1');
    $session->pushUserContext($url);

    $this->setPageTitle(ts('Membership Type'));
  }

  /**
   * Set default values for the form. MobileProvider that in edit/view mode
   * the default values are retrieved from the database
   *
   * @return array
   *   defaults
   */
  public function setDefaultValues() {
    $defaults = parent::setDefaultValues();

    //finding default weight to be put
    if (!isset($defaults['weight']) || (!$defaults['weight'])) {
      $defaults['weight'] = CRM_Utils_Weight::getDefaultWeight('CRM_Member_DAO_MembershipType');
    }
    //setting default relationshipType
    if (isset($defaults['relationship_type_id'])) {
      //$defaults['relationship_type_id'] = $defaults['relationship_type_id'].'_a_b';
      // Set values for relation type select box
      $relTypeIds = explode(CRM_Core_DAO::VALUE_SEPARATOR, $defaults['relationship_type_id']);
      $relDirections = explode(CRM_Core_DAO::VALUE_SEPARATOR, $defaults['relationship_direction']);
      $defaults['relationship_type_id'] = [];
      foreach ($relTypeIds as $key => $value) {
        $defaults['relationship_type_id'][] = $value . '_' . $relDirections[$key];
      }
    }

    //setting default fixed_period_start_day & fixed_period_rollover_day
    $periods = ['fixed_period_start_day', 'fixed_period_rollover_day'];
    foreach ($periods as $per) {
      if (isset($defaults[$per])) {
        $date = $defaults[$per];

        $defaults[$per] = [];
        if ($date > 31) {
          $date = ($date < 999) ? '0' . $date : $date;
          $defaults[$per]['M'] = substr($date, 0, 2);
          $defaults[$per]['d'] = substr($date, 2, 3);
        }
        else {
          //special case when only day is rollover and duration is month
          $defaults['month_fixed_period_rollover_day']['d'] = $date;
        }
      }
    }

    return $defaults;
  }

  /**
   * Build the form object.
   *
   * @return void
   * @throws \CRM_Core_Exception
   */
  public function buildQuickForm() {
    self::buildQuickEntityForm();

    if ($this->_action & CRM_Core_Action::DELETE) {
      return;
    }
    // This is a temporary variable as we work towards moving over towards using the EntityField.tpl.
    // Fields in this array have been tested & in the tpl have been switched over to metadata.
    // Note this kinda 'works from the top' - ie. once we hit a field that needs some thought we need
    // to stop & make that one work.
    $this->assign('tpl_standardised_fields', ['name', 'description', 'member_of_contact_id', 'minimum_fee']);

    $this->addRule('name', ts('A membership type with this name already exists. Please select another name.'),
      'objectExists', ['CRM_Member_DAO_MembershipType', $this->_id]
    );
    $this->addRule('minimum_fee', ts('Please enter a monetary value for the Minimum Fee.'), 'money');

    $props = ['api' => ['params' => ['contact_type' => 'Organization']]];
    $this->addEntityRef('member_of_contact_id', ts('Membership Organization'), $props, TRUE);

    //start day
    $this->add('date', 'fixed_period_start_day', ts('Fixed Period Start Day'),
      CRM_Core_SelectValues::date(NULL, 'M d'), FALSE
    );

    // Add Auto-renew options if we have a payment processor that supports recurring contributions
    $isAuthorize = FALSE;
    $options = [];
    if (CRM_Financial_BAO_PaymentProcessor::hasPaymentProcessorSupporting(['Recurring'])) {
      $isAuthorize = TRUE;
      $options = CRM_Core_SelectValues::memberAutoRenew();
    }

    $this->addRadio('auto_renew', ts('Auto-renew Option'), $options);
    $this->assign('authorize', $isAuthorize);

    // rollover day
    $this->add('date', 'fixed_period_rollover_day', ts('Fixed Period Rollover Day'),
      CRM_Core_SelectValues::date(NULL, 'M d'), FALSE
    );
    $this->add('date', 'month_fixed_period_rollover_day', ts('Fixed Period Rollover Day'),
      CRM_Core_SelectValues::date(NULL, 'd'), FALSE
    );

    $relTypeInd = CRM_Contact_BAO_Relationship::getContactRelationshipType(NULL, NULL, NULL, NULL, TRUE);
    if (is_array($relTypeInd)) {
      asort($relTypeInd);
    }
    $memberRel = $this->add('select', 'relationship_type_id', ts('Relationship Type'),
      $relTypeInd, FALSE, ['class' => 'crm-select2 huge', 'multiple' => 1]);

    $this->addField('visibility', ['placeholder' => NULL, 'option_url' => NULL]);

    $membershipRecords = FALSE;
    if ($this->_action & CRM_Core_Action::UPDATE) {
      $result = civicrm_api3("Membership", "get", ["membership_type_id" => $this->_id, "options" => ["limit" => 1]]);
      $membershipRecords = ($result["count"] > 0);
    }

    $this->assign('membershipRecordsExists', $membershipRecords);
    $this->assign('membershipTypeId', $this->_id);
    $this->assign('deferredFinancialType', Civi::settings()->get('deferred_revenue_enabled') ? array_keys(CRM_Financial_BAO_FinancialAccount::getDeferredFinancialType()) : NULL);
    $this->addFormRule(['CRM_Member_Form_MembershipType', 'formRule']);
  }

  /**
   * Validation.
   *
   * @param array $params
   *   (ref.) an assoc array of name/value pairs.
   *
   * @return bool|array
   *   mixed true or array of errors
   */
  public static function formRule($params) {
    $errors = [];

    if (!$params['name']) {
      $errors['name'] = ts('Please enter a membership type name.');
    }

    if (($params['minimum_fee'] > 0) && !$params['financial_type_id']) {
      $errors['financial_type_id'] = ts('Please enter the financial Type.');
    }

    if (empty($params['duration_interval']) and $params['duration_unit'] !== 'lifetime') {
      $errors['duration_interval'] = ts('Please enter a duration interval.');
    }

    if (in_array($params['auto_renew'] ?? 0, [1, 2])) {
      if (($params['duration_interval'] > 1 && $params['duration_unit'] === 'year') ||
        ($params['duration_interval'] > 12 && $params['duration_unit'] === 'month')
      ) {
        $errors['duration_unit'] = ts('Automatic renewals are not supported by the currently available payment processors when the membership duration is greater than 1 year / 12 months.');
      }
    }

    if ($params['period_type'] === 'fixed' &&
      $params['duration_unit'] === 'day'
    ) {
      $errors['period_type'] = ts('Period type should be Rolling when duration unit is Day');
    }

    if (($params['period_type'] == 'fixed') &&
      ($params['duration_unit'] == 'year')
    ) {
      $periods = ['fixed_period_start_day', 'fixed_period_rollover_day'];
      foreach ($periods as $period) {
        $month = $params[$period]['M'];
        $date = $params[$period]['d'];
        if (!$month || !$date) {
          switch ($period) {
            case 'fixed_period_start_day':
              $errors[$period] = ts('Please enter a valid fixed period start day');
              break;

            case 'fixed_period_rollover_day':
              $errors[$period] = ts('Please enter a valid fixed period rollover day');
              break;
          }
        }
      }
    }

    if ($params['fixed_period_start_day'] && !empty($params['fixed_period_start_day'])) {
      $params['fixed_period_start_day']['Y'] = CRM_Utils_Time::date('Y');
      if (!CRM_Utils_Rule::qfDate($params['fixed_period_start_day'])) {
        $errors['fixed_period_start_day'] = ts('Please enter valid Fixed Period Start Day');
      }
    }

    if ($params['fixed_period_rollover_day'] && !empty($params['fixed_period_rollover_day'])) {
      $params['fixed_period_rollover_day']['Y'] = CRM_Utils_Time::date('Y');
      if (!CRM_Utils_Rule::qfDate($params['fixed_period_rollover_day'])) {
        $errors['fixed_period_rollover_day'] = ts('Please enter valid Fixed Period Rollover Day');
      }
    }

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

  /**
   * Process the form submission.
   *
   * @return void
   */
  public function postProcess() {
    if ($this->_action & CRM_Core_Action::DELETE) {
      try {
        CRM_Member_BAO_MembershipType::deleteRecord(['id' => $this->_id]);
      }
      catch (CRM_Core_Exception $e) {
        CRM_Core_Error::statusBounce($e->getMessage(), NULL, ts('Membership Type Not Deleted'));
      }
      CRM_Core_Session::setStatus(ts('Selected membership type has been deleted.'), ts('Record Deleted'), 'success');
    }
    else {
      $params = $this->getSubmittedValues();

      $hasRelTypeVal = FALSE;
      if (!CRM_Utils_System::isNull($params['relationship_type_id'])) {
        // To insert relation ids and directions with value separator
        $relTypeDirs = $params['relationship_type_id'];
        $relIds = $relDirection = [];
        foreach ($relTypeDirs as $key => $value) {
          $relationId = explode('_', $value);
          if (count($relationId) == 3 &&
            is_numeric($relationId[0])
          ) {
            $relIds[] = $relationId[0];
            $relDirection[] = $relationId[1] . '_' . $relationId[2];
          }
        }
        if (!empty($relIds)) {
          $hasRelTypeVal = TRUE;
          $params['relationship_type_id'] = implode(CRM_Core_DAO::VALUE_SEPARATOR, $relIds);
          $params['relationship_direction'] = implode(CRM_Core_DAO::VALUE_SEPARATOR, $relDirection);
        }
      }
      if (!$hasRelTypeVal) {
        $params['relationship_type_id'] = $params['relationship_direction'] = $params['max_related'] = 'null';
      }

      if ($params['duration_unit'] == 'lifetime' &&
        empty($params['duration_interval'])
      ) {
        $params['duration_interval'] = 1;
      }

      $periods = ['fixed_period_start_day', 'fixed_period_rollover_day'];
      foreach ($periods as $period) {
        if (!empty($params[$period]['M']) && !empty($params[$period]['d'])) {
          $mon = $params[$period]['M'];
          $dat = $params[$period]['d'];
          $mon = ($mon < 10) ? '0' . $mon : $mon;
          $dat = ($dat < 10) ? '0' . $dat : $dat;
          $params[$period] = $mon . $dat;
        }
        elseif ($period == 'fixed_period_rollover_day' && !empty($params['month_fixed_period_rollover_day'])) {
          $params['fixed_period_rollover_day'] = $params['month_fixed_period_rollover_day']['d'];
          unset($params['month_fixed_period_rollover_day']);
        }
        else {
          $params[$period] = 'null';
        }
      }
      $oldWeight = NULL;

      if ($this->_id) {
        $oldWeight = CRM_Core_DAO::getFieldValue('CRM_Member_DAO_MembershipType',
          $this->_id, 'weight', 'id'
        );
      }
      $params['weight'] = CRM_Utils_Weight::updateOtherWeights('CRM_Member_DAO_MembershipType',
        $oldWeight, $params['weight']
      );

      if ($this->_action & CRM_Core_Action::UPDATE) {
        $params['id'] = $this->_id;
      }

      $membershipTypeResult = civicrm_api3('MembershipType', 'create', $params);
      $membershipTypeName = $membershipTypeResult['values'][$membershipTypeResult['id']]['name'];

      CRM_Core_Session::setStatus(ts("The membership type '%1' has been saved.",
        [1 => $membershipTypeName]
      ), ts('Saved'), 'success');
      $session = CRM_Core_Session::singleton();
      $buttonName = $this->controller->getButtonName();
      if ($buttonName == $this->getButtonName('upload', 'new')) {
        $session->replaceUserContext(
          CRM_Utils_System::url('civicrm/admin/member/membershipType/add', 'action=add&reset=1')
        );
      }
    }
  }

  /**
   * @param int $previousID
   * @param int $priceSetId
   * @param int $membershipTypeId
   * @param $optionsIds
   */
  public static function checkPreviousPriceField($previousID, $priceSetId, $membershipTypeId, &$optionsIds) {
    if ($previousID) {
      $editedFieldParams = [
        'price_set_id ' => $priceSetId,
        'name' => $previousID,
      ];
      $editedResults = [];
      CRM_Price_BAO_PriceField::retrieve($editedFieldParams, $editedResults);
      if (!empty($editedResults)) {
        $editedFieldParams = [
          'price_field_id' => $editedResults['id'],
          'membership_type_id' => $membershipTypeId,
        ];
        $editedResults = [];
        CRM_Price_BAO_PriceFieldValue::retrieve($editedFieldParams, $editedResults);
        $optionsIds['option_id'][1] = $editedResults['id'] ?? NULL;
      }
    }
  }

}
