<?php
class WYLWidget extends WP_Widget {
    public function __construct() {
        parent::__construct(false, $name = 'WP YouTube Lyte');
    }

    function widget($args, $instance) {
        extract( $args );
        global $wDefault, $wSize, $wyl_version, $wp_lyte_plugin_url, $lyteSettings;
        $lyteSettings['path']= plugins_url( '/lyte/', __FILE__ );
        $qsa = '';

        $WYLtitle = apply_filters( 'widget_title', $instance['WYLtitle'] );
        $WYLtext  = apply_filters( 'widget_text', $instance['WYLtext'], $instance );
        $WYLsize  = apply_filters( 'widget_text', $instance['WYLsize'], $instance );
        if ( $WYLsize == '' ) $WYLsize=$wDefault;
        $WYLaudio = apply_filters( 'widget_text', $instance['WYLaudio'], $instance );
        if ( $WYLaudio !== 'audio' ) {
            $wrapperClass = ' lidget';
            $audioClass   = '';
            $wHeight      = $wSize[$WYLsize]['h'];
        } else {
            $wrapperClass = '-audio lidget';
            $audioClass   = ' lyte-audio';
            $wHeight      = '38';
        }
        $WYLurl = str_replace( 'httpv://', 'https://', trim( $instance['WYLurl'] ) );
        $WYLqs  = substr( strstr( $WYLurl, '?' ), 1 );
        parse_str( $WYLqs, $WYLarr );

        if ( strpos( $WYLurl, 'youtu.be' ) ) {
            $WYLid    = substr( parse_url( $WYLurl, PHP_URL_PATH ), 1, 11 );
            $PLClass  = '';
            $WYLthumb = 'https://img.youtube.com/vi/' . $WYLid . '/hqdefault.jpg';
        } else {
            if ( isset( $WYLarr['v'] ) ) {
                $WYLid    = $WYLarr['v'];
                $PLClass  = '';
                $WYLthumb = 'https://img.youtube.com/vi/' . $WYLid . '/hqdefault.jpg';
            } else if ( isset($WYLarr['list'] ) ) {
                $WYLid    = $WYLarr['list'];
                $yt_resp  = lyte_get_YT_resp( $WYLid, true, '', '', true );
                $WYLthumb = $yt_resp['thumbUrl'];
                $PLClass  = ' playlist';
            }
        }

        // do we have to serve the thumbnail from local cache?
        if ( get_option( 'lyte_local_thumb', '0' ) === '1' ) {
                $WYLthumb = plugins_url( 'lyteCache.php?origThumbUrl=' . urlencode( $WYLthumb ) , __FILE__  );
        }

        // filter to alter the thumbnail
        $WYLthumb = apply_filters( 'lyte_filter_widget_thumb', $WYLthumb, $WYLid );

        if ( isset( $WYLarr['start'] ) ) $qsa = '&amp;start=' . $WYLarr['start'];
        if ( isset( $WYLarr['enablejsapi'] ) ) {
            $urlArr = parse_url($lyteSettings['path'] );
            $origin = $urlArr[scheme] . '://' . $urlArr[host];
            $qsa   .= '&amp;enablejsapi=' . $WYLarr['enablejsapi'] . '&amp;origin=' . $origin;
        }

        if ( ! empty( $qsa ) ) {
            $esc_arr  = array('&' => '\&', '?' => '\?', '=' => '\=');
            $qsaClass = ' qsa_' . strtr( $qsa, $esc_arr );
        } else {
            $qsaClass = '';
        }

        $WYL_dom_id = 'YLW_' . $WYLid;

        ?>
        <?php echo $before_widget; ?>
        <?php if ( $WYLtitle ) echo $before_title . $WYLtitle . $after_title; ?>
        <div class="lyte-wrapper<?php echo $wrapperClass; ?>" style="width:<?php echo $wSize[$WYLsize]['w']; ?>px; height:<?php echo $wHeight; ?>px; min-width:200px; max-width:100%;"><div class="lyMe<?php echo $PLClass; echo $audioClass; echo $qsaClass; ?>" id="<?php echo $WYL_dom_id; ?>"><div id="lyte_<?php echo $WYLid; ?>" data-src="<?php echo $WYLthumb;?>" class="pL"><div class="play"></div><div class="ctrl"><div class="Lctrl"></div></div></div></div><noscript><a href="https://youtu.be/<?php echo $WYLid;?>"><img src="<?php echo $WYLthumb; ?>" alt="" /></a></noscript></div>
        <div><?php echo $WYLtext ?></div>
        <?php echo $after_widget; ?>
        <?php
        lyte_initer();
    }

    function update($new_instance, $old_instance) {
        $instance = $old_instance;
        $instance['WYLtitle'] = strip_tags($new_instance['WYLtitle'] );
        $instance['WYLurl']   = strip_tags($new_instance['WYLurl'] );
        $instance['WYLsize']  = strip_tags($new_instance['WYLsize'] );
        $instance['WYLaudio'] = strip_tags($new_instance['WYLaudio'] );

        if ( current_user_can('unfiltered_html') ) {
            $instance['WYLtext'] = $new_instance['WYLtext'];
        } else {
            $instance['WYLtext'] = stripslashes( wp_filter_post_kses( addslashes( $new_instance['WYLtext'] ) ) );
        }

        return $instance;
    }

    function form($instance) {
        global $wSize, $wDefault;

        if ( isset( $instance['WYLtitle'] ) ) {
            $WYLtitle = esc_attr( $instance['WYLtitle'] );
        } else {
            $WYLtitle = '';
        }

        if ( isset( $instance['WYLurl'] ) ) {
            $WYLurl = esc_attr( $instance['WYLurl'] );
        } else {
            $WYLurl = '';
        }

        if ( isset( $instance['WYLtext'] ) ) {
            $WYLtext = format_to_edit( $instance['WYLtext'] );
        } else {
            $WYLtext = '';
        }

        if ( isset( $instance['WYLaudio'] ) ) {
            $WYLaudio = esc_attr( $instance['WYLaudio'] );
        } else {
            $WYLaudio = '';
        }
        if ($WYLaudio!=="audio") $WYLaudio="";

        if ( isset( $instance['WYLsize'] ) ) {
            $WYLsize = esc_attr( $instance['WYLsize'] );
        } else {
            $WYLsize = '';
        }

        if ( $WYLsize == '' ) $WYLsize = $wDefault;
        ?>
        <p><label for="<?php echo $this->get_field_id('WYLtitle'); ?>"><?php _e( 'Title:', 'wp-youtube-lyte' ); ?> <input class="widefat" id="<?php echo $this->get_field_id('WYLtitle'); ?>" name="<?php echo $this->get_field_name('WYLtitle'); ?>" type="text" value="<?php echo $WYLtitle; ?>" /></label></p>
        <p><label for="<?php echo $this->get_field_id('WYLsize'); ?>"><?php _e( 'Size:', 'wp-youtube-lyte' ); ?>
        <select class="widefat" id="<?php echo $this->get_field_id( 'WYLsize' ); ?>" name="<?php echo $this->get_field_name( 'WYLsize' ); ?>">
            <?php
                foreach ( $wSize as $x => $size ) {
                    if ( $x == $WYLsize) {
                        $selected = ' selected="true"';
                    } else {
                        $selected = '';
                    }

                    if ( $wSize[$x]['depr'] !== true ) {
                        echo '<option value="' . $x . '"' . $selected . '>' . $wSize[$x]['w'] . 'X' . $wSize[$x]['h'] . '</option>';
                    }
                    $x++;
                }
            ?>
        </select>
        </label></p>
        <p><label for="<?php echo $this->get_field_id( 'WYLaudio' ); ?>"><?php _e( 'Type:', 'wp-youtube-lyte' ); ?>
                <select class="widefat" id="<?php echo $this->get_field_id( 'WYLaudio' ); ?>" name="<?php echo $this->get_field_name( 'WYLaudio' ); ?>">
                <?php
                if($WYLaudio === 'audio' ) {
                    $aselected = ' selected="true"';
                    $vselected = '';
                } else {
                    $vselected = ' selected="true"';
                    $aselected = '';
                }
                echo '<option value="audio"' . esc_html( $aselected ) . '>' . __( 'audio', 'wp-youtube-lyte' ) . '</option>';
                echo '<option value="video"' . esc_html( $vselected ) . '>' . __( 'video', 'wp-youtube-lyte' ) . '</option>';
                ?>
                </select>
            </label></p>
        <p><label for="<?php echo $this->get_field_id( 'WYLurl' ); ?>"><?php _e( 'Youtube-URL:', 'wp-youtube-lyte' ); ?> <input class="widefat" id="<?php echo $this->get_field_id( 'WYLurl' ); ?>" name="<?php echo $this->get_field_name( 'WYLurl' ); ?>" type="text" value="<?php echo esc_url( $WYLurl ); ?>" /></label></p>
        <p><label for="<?php echo esc_html( $this->get_field_id( 'WYLtext' ) ); ?>"><?php _e( 'Text:', 'wp-youtube-lyte' ); ?> <textarea class="widefat" id="<?php echo esc_html( $this->get_field_id( 'WYLtext' ) ); ?>" name="<?php echo esc_html( $this->get_field_name( 'WYLtext' ) ); ?>" rows="16" cols="20"><?php echo esc_html( $WYLtext ); ?></textarea></label></p>
        <?php
    }
}

function lyte_register_widget() {
    register_widget( 'WYLWidget' );
}

add_action( 'widgets_init', 'lyte_register_widget' );