<?php

/**
 * This code was generated by
 * \ / _    _  _|   _  _
 * | (_)\/(_)(_|\/| |(/_  v1.0.0
 * /       /
 */

namespace Twilio\Rest\Studio\V1\Flow\Engagement;

use Twilio\Exceptions\TwilioException;
use Twilio\InstanceContext;
use Twilio\Rest\Studio\V1\Flow\Engagement\Step\StepContextList;
use Twilio\Values;
use Twilio\Version;

/**
 * PLEASE NOTE that this class contains beta products that are subject to change. Use them with caution.
 *
 * @property \Twilio\Rest\Studio\V1\Flow\Engagement\Step\StepContextList stepContext
 * @method \Twilio\Rest\Studio\V1\Flow\Engagement\Step\StepContextContext stepContext()
 */
class StepContext extends InstanceContext
{
    protected $_stepContext = null;

    /**
     * Initialize the StepContext
     *
     * @param \Twilio\Version $version       Version that contains the resource
     * @param string          $flowSid       The flow_sid
     * @param string          $engagementSid The engagement_sid
     * @param string          $sid           The sid
     *
     * @return \Twilio\Rest\Studio\V1\Flow\Engagement\StepContext
     */
    public function __construct(Version $version, $flowSid, $engagementSid, $sid)
    {
        parent::__construct($version);

        // Path Solution
        $this->solution = array('flowSid' => $flowSid, 'engagementSid' => $engagementSid, 'sid' => $sid,);

        $this->uri = '/Flows/'.rawurlencode($flowSid).'/Engagements/'.rawurlencode($engagementSid).'/Steps/'.rawurlencode($sid).'';
    }

    /**
     * Fetch a StepInstance
     *
     * @return StepInstance Fetched StepInstance
     */
    public function fetch()
    {
        $params = Values::of(array());

        $payload = $this->version->fetch(
            'GET',
            $this->uri,
            $params
        );

        return new StepInstance(
            $this->version,
            $payload,
            $this->solution['flowSid'],
            $this->solution['engagementSid'],
            $this->solution['sid']
        );
    }

    /**
     * Access the stepContext
     *
     * @return \Twilio\Rest\Studio\V1\Flow\Engagement\Step\StepContextList
     */
    protected function getStepContext()
    {
        if (!$this->_stepContext) {
            $this->_stepContext = new StepContextList(
                $this->version,
                $this->solution['flowSid'],
                $this->solution['engagementSid'],
                $this->solution['sid']
            );
        }

        return $this->_stepContext;
    }

    /**
     * Magic getter to lazy load subresources
     *
     * @param string $name Subresource to return
     *
     * @return \Twilio\ListResource The requested subresource
     * @throws \Twilio\Exceptions\TwilioException For unknown subresources
     */
    public function __get($name)
    {
        if (property_exists($this, '_'.$name)) {
            $method = 'get'.ucfirst($name);
            return $this->$method();
        }

        throw new TwilioException('Unknown subresource '.$name);
    }

    /**
     * Magic caller to get resource contexts
     *
     * @param string $name      Resource to return
     * @param array  $arguments Context parameters
     *
     * @return \Twilio\InstanceContext The requested resource context
     * @throws \Twilio\Exceptions\TwilioException For unknown resource
     */
    public function __call($name, $arguments)
    {
        $property = $this->$name;
        if (method_exists($property, 'getContext')) {
            return call_user_func_array(array($property, 'getContext'), $arguments);
        }

        throw new TwilioException('Resource does not have a context');
    }

    /**
     * Provide a friendly representation
     *
     * @return string Machine friendly representation
     */
    public function __toString()
    {
        $context = array();
        foreach ($this->solution as $key => $value) {
            $context[] = "$key=$value";
        }
        return '[Twilio.Studio.V1.StepContext '.implode(' ', $context).']';
    }
}