<?php

namespace Civi\ActionProvider\Action\Group;

use \Civi\ActionProvider\Action\AbstractAction;
use \Civi\ActionProvider\Parameter\ParameterBagInterface;
use \Civi\ActionProvider\Parameter\SpecificationBag;
use \Civi\ActionProvider\Parameter\Specification;

use CRM_ActionProvider_ExtensionUtil as E;

class RemoveFromGroup extends AbstractAction
{

    /**
     * Run the action
     *
     * @param ParameterInterface $parameters
     *   The parameters to this action.
     * @param ParameterBagInterface $output
     * 	 The parameters this action can send back
     * @return void
     */
    protected function doAction(ParameterBagInterface $parameters, ParameterBagInterface $output)
    {
        if ($this->configuration->getParameter('group_id')) {
            $group_id = $this->configuration->getParameter('group_id');
        } else {
            $group_id = civicrm_api3('Group', 'getvalue', [
                'return' => 'id',
                'name' => $this->configuration->getParameter('group_name')
            ]);
        }
        
        $existingGroups = civicrm_api3('GroupContact', 'get', array(
            'contact_id' => $parameters->getParameter('contact_id'),
            'group_id' => $group_id,
        ));

        if (count($existingGroups['values']) > 0) {

            civicrm_api3('GroupContact', 'delete', array(
                'contact_id' => $parameters->getParameter('contact_id'),
                'group_id' => $group_id,
            ));
        }
    }

    /**
     * Returns the specification of the configuration options for the actual action.
     *
     * @return SpecificationBag
     */
    public function getConfigurationSpecification()
    {
        return new SpecificationBag(array(
            new Specification('group_id', 'Integer', E::ts('Select group'), false, null, 'Group', null, FALSE),
            new Specification('group_name', 'String', E::ts('Or group name'), false, null, null, null, FALSE),
        ));
    }

    /**
     * Returns the specification of the parameters of the actual action.
     *
     * @return SpecificationBag
     */
    public function getParameterSpecification()
    {
        return new SpecificationBag(array(
            new Specification('contact_id', 'Integer', E::ts('Contact ID'), true)
        ));
    }
}