awsmug/alexa-sdk

<?php

namespace Alexa\Output;
use Alexa\Output_Object;
use Alexa\Exception;

/**
 * Class Output_Speech
 *
 * @since 1.0.0
 *
 * @package Alexa
 */
class Card implements Output_Object {
    /**
     * Type of card
     *
     * @since 1.0.0
     *
     * @var string
     */
    private $type = 'Standard';

    /**
     * Title of card
     *
     * @since 1.0.0
     *
     * @var string
     */
    private $title;

    /**
     * Content of Card
     *
     * @since 1.0.0
     *
     * @var string
     */
    private $content;

    /**
     * Text of Card
     *
     * @since 1.0.0
     *
     * @var string
     */
    private $text;

    /**
     * Small Image of Card
     *
     * @since 1.0.0
     *
     * @var string
     */
    private $small_image_url;

    /**
     * Large Image of Card
     *
     * @since 1.0.0
     *
     * @var string
     */
    private $large_image_url;

    /**
     * Output_Speech constructor.
     *
     * @since 1.0.0
     */
    public function __construct() {}

    /**
     * Speech type
     *
     * @since 1.0.0
     *
     * @param string $type Simple, Standard or LinkAccount
     *
     * @throws Exception
     */
    public function set_type( $type ) {
        if( 'Simple' !== $type && 'Standard' !== $type && 'LinkAccount' !== $type ) {
            throw new Exception( sprintf( 'Card Type %s does not exist', $type ) );
        }

        $this->type = $type;
    }

    /**
     * Get type card
     *
     * @since 1.0.0
     *
     * @return string Simple, Standard or LinkAccount
     */
    public function get_type() {
        return $this->type;
    }

    /**
     * Setting title
     *
     * @since 1.0.0
     *
     * @param string $text
     */
    public function set_title( $title ) {
        $this->title = $title;
    }

    /**
     * Get title
     *
     * @since 1.0.0
     *
     * @return bool|string $text False if empty or value which have been set
     */
    public function get_title() {
        if( empty( $this->title ) ) {
            return false;
        }
        return $this->title;
    }

    /**
     * Set content
     *
     * @since 1.0.0
     *
     * @param string $content
     */
    public function set_content( $content ) {
        $this->content = $content;
    }

    /**
     * Get content
     *
     * @since 1.0.0
     *
     * @return bool|string $text False if empty or value which have been set
     */
    public function get_content() {
        if( empty( $this->content ) ) {
            return false;
        }
        return $this->content;
    }

    /**
     * Set text
     *
     * @since 1.0.0
     *
     * @param string $text
     */
    public function set_text( $text ) {
        $this->text = $text;
    }

    /**
     * Get text
     *
     * @since 1.0.0
     *
     * @return bool|string $text False if empty or value which have been set
     */
    public function get_text() {
        if( empty( $this->text ) ) {
            return false;
        }
        return $this->text;
    }

    /**
     * Setting images
     *
     * @since 1.0.0
     *
     * @param string $small_image_url
     * @param string $large_image_url
     */
    public function set_images( $small_image_url = null, $large_image_url = null ) {
        if( ! empty( $small_image_url ) ) {
            $this->set_small_image( $small_image_url );
        }
        if( ! empty( $large_image_url ) ) {
            $this->set_large_image( $large_image_url );
        }
    }

    /**
     * Set small image URL
     *
     * @since 1.0.0
     *
     * @param string $url
     */
    public function set_small_image( $url ) {
        $this->small_image_url = $url;
    }

    /**
     * Get small image URL
     *
     * @since 1.0.0
     *
     * @return bool|string
     */
    public function get_small_image() {
        if( empty( $this->small_image_url ) ) {
            return false;
        }
        return $this->small_image_url;
    }

    /**
     * Set large image URL
     *
     * @since 1.0.0
     *
     * @param string $url
     */
    public function set_large_image( $url ) {
        $this->large_image_url = $url;
    }

    /**
     * Get large image URL
     *
     * @since 1.0.0
     *
     * @return bool|string
     */
    public function get_large_image() {
        if( empty( $this->large_image_url ) ) {
            return false;
        }
        return $this->large_image_url;
    }

    /**
     * Is there any value set in Card
     *
     * @since 1.0.0
     *
     * @return bool
     */
    public function has_values() {
        if( empty( $this->title ) && empty( $this->content ) && empty( $this->text ) && empty( $this->small_image_url ) && empty( $this->large_image_url ) ) {
            return false;
        }

        return true;
    }

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

        $object->type = $this->type;

        if( ! empty( $this->title ) ) {
            $object->title = $this->title;
        }

        if( ! empty( $this->content ) ) {
            $object->content = $this->content;
        }

        if( ! empty( $this->text ) ) {
            $object->text = $this->text;
        }

        if( ! empty( $this->small_image_url ) ) {
            if( ! property_exists( $object, 'image' )  ) $object->image = new \stdClass();
            $object->image->smallImageUrl = $this->small_image_url;
        }

        if( ! empty( $this->large_image_url ) ) {
            if( ! property_exists( $object, 'image' )  ) $object->image = new \stdClass();
            $object->image->largeImageUrl = $this->large_image_url;
        }

        return $object;
    }
}