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<?php

/* Implementación de LibreVideoJS
==============================================================================================*/
include_once 'libre-panel.php';

if (!class_exists('LIBREVIDEOJS')){

    class LIBREVIDEOJS{

        var $L_version = '2.0';

        function __construct(){
            define('L_VERSION', $this->L_version);
            $this->theme_includes();
        }

        function theme_includes(){
            if (!is_admin()) {
                add_action('wp_enqueue_scripts', 'librevideojs_base');
                add_shortcode('librevideojs_video', 'LibreVideoJS_embed');
                //allows shortcode execution in the widget, excerpt and content
                add_filter('widget_text', 'do_shortcode');
                add_filter('the_excerpt', 'do_shortcode', 11);
                add_filter('the_content', 'do_shortcode', 11);
            }
        }
    }

    $GLOBALS['easy_video_player'] = new LIBREVIDEOJS();
    new librevideojs_panel_shortcode();
}

function librevideojs_base(){
    global $post, $theme_url;
    $theme_url = get_bloginfo('template_url', __FILE__);
    if ( ( is_author() || is_page() || is_single() ) && strpos($post->post_content, '[librevideojs_video') !== false ){
        wp_enqueue_style('LibreVideoJS', $theme_url . '/css/mix-material/master.min.css', array(), '1.4');
        wp_enqueue_script('LibreVideoJS', $theme_url . '/js/cliplibrejs.developer.min.js', array(), L_VERSION);
        wp_enqueue_script('jQuery-Libre', $theme_url . '/js/jquery-3.1.1.min.js', array(), '3.1.1', true);
    }
    else {
        return false;
    }
}

function LibreVideoJS_embed($atts, $content=null){
    extract(shortcode_atts(array(
        'url' => '',
        'url_calidad' => '',
        'code' => '',
        'selector' => '',
        'width' => '',
        'controls' => '',
        'preload' => 'auto',
        'autoplay' => 'false',
        'loop' => '',
        'muted' => '',
        'poster' => '',
        'skin' => '',
        'class' => '',
    ), $atts));

    if(empty($url)){
        return __('you need to specify the src of the video file', 'Lidra');
    }
    //src
    $src = '<source data-res="'.$url_calidad.'" src="'.$url.'" type="video/'.$code.'"/>';

    //resolution selector
    if(!empty($selector)){
        $resolution = "$selector";
    }
    else {
        $resolution = "$url_calidad";
    }

    //controls
    if($controls == "false"){
        $controls = "";
    }
    else{
        $controls = " controls";
    }

    //preload
    if($preload == "metadata"){
        $preload = ' preload="metadata"';
    }
    else if($preload == "none"){
        $preload = ' preload="none"';
    }
    else{
        $preload = ' preload="auto"';
    }

    //autoplay
    if($autoplay == "true"){
        $autoplay = " autoplay";
    }
    else{
        $autoplay = "";
    }

    //loop
    if($loop == "true"){
        $loop = " loop";
    }
    else{
        $loop = "";
    }

    //muted
    if($muted == "true"){
        $muted = " muted";
    }
    else{
        $muted = "";
    }

    //Tracks
    if(!is_null( $content )){
        $track = do_shortcode($content);
    }
    else{
        $track = "";
    }

    //Qualities
    if(!is_null( $content = '' )){
        $calidades = do_shortcode($content);
    }
    else{
        $calidades = "";
    }

    //skin theme
    if(!empty($skin)){
        $_skin = "$skin";
    }
    else{
        $_skin= "mixteal";
    }

    //poster
    if(!empty($poster)){
        $poster = " poster='$poster'";
    }
    $player = "librevideojs" . uniqid();

    //languages
    $_no_html5 = __('Sorry, this video will not work because your web browser does not support HTML5 video. Please, change or update your browser', 'Lidra');

    $_no_browser = '<p class="no_html5">' . $_no_html5 . '</p>';

    //force_types
    $_force_types = 'video/' . $code;

    //custom style
    $style = '';
    if(!empty($width)){
        $style = <<<EOT
        <style>
        $player {
            max-width:{$width}px;
        }
        </style>
EOT;

    }
    $output = <<<EOT
    <div class="LibreVideoJS">
    <video id="$player" class="cliplibre-js-responsive-container librevjs-hd cliplibre-js librevjs-libre-{$_skin}-skin" {$controls}{$preload}{$autoplay}{$loop}{$muted}{$poster} data-setup='{}'>
        {$src}\n\t\t{$calidades}{$track}{$_no_browser}
    </video>
    </div>
    <script>
        cliplibrejs('$player',{plugins:{resolutionSelector:{force_types:['$_force_types'],default_res:"$resolution",}},nativeControlsForTouch:false}).ready(function(){this.hotkeys({volumeStep:0.1,seekStep:5,enableMute:true,enableFullscreen: true,enableNumbers:true}),this.progressTips();});
    </script>
    $style
EOT;
    return $output;
}

/*Adding subtitles using... [track]*/
function track_shortcode($atts, $content=null){
    extract(shortcode_atts(array(
        'kind' => '',
        'subt' => '',
        'srclang' => '',
        'label' => '',
        'default' => '',
    ), $atts));

    if($kind){
        $kind = " kind='$kind'";
    }

    if($subt){
        $subt = " src='$subt'";
    }

    if($srclang){
        $srclang = " srclang='$srclang'";
    }

    if($label){
        $label = " label='$label'";
    }

    if($default == "true" || $default == "default"){
        $default = " default";
    }
    else{
        $default = "";
    }

    $track = "<track" . $kind . $subt . $srclang . $label . $default . "/>\n\t\t";

    return $track;
}
add_shortcode('track', 'track_shortcode');

/*Adding qualities*/
function calidades_shortcode($atts, $content=null){
    extract(shortcode_atts(array(
        'lvjs_calidad' => '',
        'src_video' => '',
        'lvjs_code' => '',
    ), $atts));

    if($lvjs_calidad){
        $lvjs_calidad = " data-res='$lvjs_calidad'";
    }

    if($src_video){
        $src_video = " src='$src_video'";
    }

    $calidades = "<source" . $lvjs_calidad . $src_video . " type='video/".$lvjs_code."'/>\n\t\t";

    return $calidades;
}
add_shortcode('calidades', 'calidades_shortcode');