awsmug/alexa-sdk

<?php

namespace Alexa\Output;
use Alexa\Output_Object;

/**
 * Class Response
 *
 * @since 1.0.0
 *
 * @package Alexa
 */
class Response implements Output_Object {
    /**
     * Output Speech
     *
     * @since 1.0.0
     *
     * @var Output_Speech
     */
    private $output_speech;

    /**
     * Card
     *
     * @since 1.0.0
     *
     * @var Card
     */
    private $card;

    /**
     * Reprompt
     *
     * @since 1.0.0
     *
     * @var Reprompt
     */
    private $reprompt;

    /**
     * End session
     *
     * @since 1.0.0
     *
     * @var bool
     */
    private $end_session = false;

    /**
     * Directives
     *
     * @since 1.0.0
     *
     * @var Directive[]
     */
    private $directives = array();

    /**
     * Accessing Output Speech Object
     *
     * @since 1.0.0
     *
     * @return Output_Speech
     */
    public function output_speech() {
        if( empty ( $this->output_speech ) ) {
            $this->output_speech = new Output_Speech();
        }
        return $this->output_speech;
    }

    /**
     * Accessing Card Object
     *
     * @since 1.0.0
     *
     * @return Card
     */
    public function card() {
        if( empty ( $this->card ) ) {
            $this->card = new Card();
        }
        return $this->card;
    }

    /**
     * Accessing Output Speech Object
     *
     * @since 1.0.0
     *
     * @return Reprompt
     */
    public function reprompt() {
        if( empty ( $this->reprompt ) ) {
            $this->reprompt = new Reprompt();
        }
        return $this->reprompt;
    }

    /**
     * Should end Session
     *
     * @since 1.0.0
     *
     * @param bool $end
     */
    public function end_session( $end = true ) {
        $this->end_session = $end;
    }

    /**
     * Adding a Directive object (Audio etc.)
     *
     * @since 1.0.0
     *
     * @param Directive $directive
     */
    public function add_directive( $directive ) {
        $this->directives[] = $directive;
    }

    /**
     * Returns all directives
     *
     * @since 1.0.0
     *
     * @return Directive[]
     */
    public function get_directives() {
        return $this->directives;
    }

    /**
     * Getting Object content
     *
     * @since 1.0.0
     *
     * @return \StdClass $object
     */
    public function get() {
        $object = new \StdClass;

        if( $this->output_speech()->has_values() ) {
            $object->outputSpeech = $this->output_speech()->get();
        }

        if( $this->card()->has_values() ) {
            $object->card = $this->card()->get();
        }

        if( $this->reprompt()->has_values() ) {
            $object->reprompt = $this->reprompt()->get();
        }

        if( count( $this->get_directives() ) > 0 ) {
            $directives = $this->get_directives();

            foreach( $directives AS $directive ) {
                $object->directives[] = $directive->get();
            }
        }

        $object->shouldEndSession = $this->end_session;

        return $object;
    }
}