<?php

class EctStyles
{
   
    /**
     * The unique instance of the plugin.
     *
     */
    private static $instance;

    /**
     * Gets an instance of our plugin.
     *
     */
    public static function get_instance()
    {
        if (null === self::$instance) {
            self::$instance = new self();
        }

        return self::$instance;
    }

    /**
     * Constructor.
     *
     * @param array $options
     */
    public function __construct()
    {
    }

     /**
     * Register all hooks 
     *
     */

    public static function registers()
    {
        $thisPlugin = new self();
        /*** Enqueued script and styles */
        //add_action('wp_enqueue_scripts', array($thisPlugin, 'ect_styles'));	
        $thisPlugin::load_files();

    }
    
    /*** Register CSS style assets */
    public static function ect_styles(){
        wp_register_style('ect-common-styles', ECT_PLUGIN_URL . 'assets/css/ect-common-styles.min.css',null, ECT_VERSION,'all' );	
        wp_register_style('ect-timeline-styles', ECT_PLUGIN_URL . 'assets/css/ect-timeline.min.css',null, ECT_VERSION,'all' );
        wp_register_style('ect-list-styles', ECT_PLUGIN_URL . 'assets/css/ect-list-view.min.css',null, ECT_VERSION,'all' );
        wp_register_style('ect-minimal-list-styles', ECT_PLUGIN_URL . 'assets/css/ect-minimal-list-view.css',null, ECT_VERSION,'all' );
        // scripts 
        wp_register_script('ect-sharebutton',ECT_PLUGIN_URL .'assets/js/ect-sharebutton.min.js',array('jquery'),ECT_VERSION,true);
        wp_register_style('ect-sharebutton-css',ECT_PLUGIN_URL .'assets/css/ect-sharebutton.min.css',null, ECT_VERSION,'all');
    }
    public static function load_files(){

            // Inside ect-tinycolor folder exists darken,lighten color.
            require_once(ECT_PLUGIN_DIR."includes/ect-tinycolor/TinyColor.php" );
            require_once (ECT_PLUGIN_DIR."includes/ect-tinycolor/util.php");
            require_once (ECT_PLUGIN_DIR."includes/ect-tinycolor/Traits/Convert.php");
            require_once (ECT_PLUGIN_DIR."includes/ect-tinycolor/Traits/Names.php");
            require_once (ECT_PLUGIN_DIR."includes/ect-tinycolor/Traits/Combination.php");
            require_once (ECT_PLUGIN_DIR."includes/ect-tinycolor/Traits/Modification.php");
            require_once (ECT_PLUGIN_DIR."includes/ect-tinycolor/Color.php");
    }


    /*** Load CSS styles based on template. */
		public static function ect_load_requried_assets($template,$style) {
            wp_enqueue_style('ect-common-styles', ECT_PLUGIN_URL . 'assets/css/ect-common-styles.min.css',null, ECT_VERSION,'all' );	
            $thisPlugin = new self();
            $custom_style = $thisPlugin::ect_custom_styles($template,$style);
            if(in_array($template,array("timeline","classic-timeline",'timeline-view'))) {
				wp_enqueue_style('ect-timeline-styles', ECT_PLUGIN_URL . 'assets/css/ect-timeline.min.css',null, ECT_VERSION,'all' );
                wp_add_inline_style('ect-timeline-styles',$custom_style );
			}
			elseif($template=="minimal-list"){
				
                wp_enqueue_style('ect-minimal-list-styles', ECT_PLUGIN_URL . 'assets/css/ect-minimal-list-view.css',null, ECT_VERSION,'all' );
                wp_add_inline_style('ect-minimal-list-styles',$custom_style );
			}
			else{
              
                wp_enqueue_style('ect-list-styles', ECT_PLUGIN_URL . 'assets/css/ect-list-view.min.css',null, ECT_VERSION,'all' );
                wp_add_inline_style('ect-list-styles',$custom_style );
            }		
		}
        public static  function get_typeo_output($settings) {
            $output    = '';
            $important ='';
            $font_family   = ( ! empty($settings['font-family'] ) ) ? $settings['font-family'] : '';
            $backup_family = ( ! empty( $settings['backup-font-family'] ) ) ? ', '. $settings['backup-font-family'] : '';
            if ( $font_family ) {
              $output .= 'font-family:"'. $font_family .'"'. $backup_family . $important .';';
            }
            // Common font properties
            $properties = array(
              'color',
              'font-weight',
              'font-style',
              'font-variant',
              'text-align',
              'text-transform',
              'text-decoration',
            );
      
            foreach ( $properties as $property ) {
              if ( isset($settings[$property] ) && $settings[$property] !== '' ) {
                $output .= $property .':'.$settings[$property] . $important .';';
              }
            }
            $properties = array(
              'font-size',
              'line-height',
              'letter-spacing',
              'word-spacing',
            );
      
            $unit = ( ! empty($settings['unit'] ) ) ? $settings['unit'] : 'px';
          
            $line_height_unit = ( ! empty( $settings['line_height_unit'] ) ) ? $settings['line_height_unit'] : 'em';
             foreach ( $properties as $property ) {
              if ( isset($settings[$property] ) && $settings[$property] !== '' ) {
                $unit = ( $property === 'line-height' ) ? $line_height_unit : $unit;
                $output .= $property .':'. $settings[$property] . $unit . $important .';';
              }
            }
            return $output;
        }
        public static function ect_hex2rgba($color, $opacity = false) {
 
            $default = 'rgb(0,0,0)';
         
            //Return default if no color provided
            if(empty($color))
                  return $default; 
         
            //Sanitize $color if "#" is provided 
                if ($color[0] == '#' ) {
                    $color = substr( $color, 1 );
                }
         
                //Check if color has 6 or 3 characters and get values
                if (strlen($color) == 6) {
                        $hex = array( $color[0] . $color[1], $color[2] . $color[3], $color[4] . $color[5] );
                } elseif ( strlen( $color ) == 3 ) {
                        $hex = array( $color[0] . $color[0], $color[1] . $color[1], $color[2] . $color[2] );
                } else {
                        return $default;
                }
         
                //Convert hexadec to rgb
                $rgb =  array_map('hexdec', $hex);
         
                //Check if opacity is set(rgba or rgb)
                if($opacity){
                    if(abs($opacity) > 1)
                        $opacity = 1.0;
                    $output = 'rgba('.implode(",",$rgb).','.$opacity.')';
                } else {
                    $output = 'rgb('.implode(",",$rgb).')';
                }
         
                //Return rgb(a) color string
                return $output;
        }
        /** This function is used to apply custom styles/typography settings */
        public static function ect_custom_styles($template,$style)
        {
           // var_dump($style);
            $thisPlugin = new self();
            $ect_output_css = '';

            $options = get_option('ects_options');
            $all_saved_ff=[];
            $custom_css = !empty($options['custom_css'])?$options['custom_css']:'';
            $main_skin_color = !empty( $options['main_skin_color'] ) ? $options['main_skin_color'] : '#dbf5ff' ;
            $featured_event_skin_color = !empty( $options['featured_event_skin_color'] ) ? $options['featured_event_skin_color'] : '#f19e59' ;
            $featured_event_font_color = !empty( $options['featured_event_font_color'] ) ? $options['featured_event_font_color'] : '#3a2201' ;
            $event_desc_bg_color = !empty( $options['event_desc_bg_color'] ) ? $options['event_desc_bg_color'] : '#f4fcff' ;
            $title_styles=  $thisPlugin::get_typeo_output(!empty($options['ect_title_styles'])?$options['ect_title_styles']:'');
            $ect_title_styles = !empty( $options['ect_title_styles'] ) ? $options['ect_title_styles'] : '' ;
            $ect_title_color = !empty( $ect_title_styles['color'] ) ? $ect_title_styles['color'] : '' ;
            $ect_title_font_famiily = !empty( $ect_title_styles['font-family'] ) ? $ect_title_styles['font-family'] : '' ;
            $ect_desc_styles =$thisPlugin::get_typeo_output(!empty($options['ect_desc_styles'])?$options['ect_desc_styles']:'');
            $ect_venue_styles = $thisPlugin::get_typeo_output(!empty($options['ect_desc_venue'])?$options['ect_desc_venue']:'');
            $ect_date_style = $thisPlugin::get_typeo_output(!empty($options['ect_dates_styles'])?$options['ect_dates_styles']:'');
            $ect_date_style = $thisPlugin::get_typeo_output($options['ect_dates_styles']);
            // Fetch Description Typograpy
            $ect_desc_style = !empty( $options['ect_desc_styles'] ) ? $options['ect_desc_styles'] : '' ;
            $ect_desc_color = !empty( $ect_desc_style['color'] ) ? $ect_desc_style['color'] : '#515d64' ; 
            $ect_desc_font_famiily = !empty( $ect_desc_style['font-family'] ) ? $ect_desc_style['font-family'] : 'Open Sans' ;
            // Fetch venue Typography
             $ect_venue_style = !empty( $options['ect_desc_venue'] ) ? $options['ect_desc_venue'] : '' ;
            $ect_venue_font_famiily = !empty( $ect_venue_style['font-family'] ) ? $ect_venue_style['font-family'] : 'Open Sans' ;
            $ect_venue_font_size = !empty( $ect_venue_style['font-size'] ) ? $ect_venue_style['font-size'] : '15' ;
            $venue_font_size =  $ect_venue_font_size + $ect_venue_font_size/3 ."px";
            $ect_venue_color = !empty( $ect_venue_style['color'] ) ? $ect_venue_style['color'] : '#00445e' ; 
            // Fetch Date Typography
            $ect_date_styles = !empty( $options['ect_dates_styles'] ) ? $options['ect_dates_styles'] : '' ;
            $ect_date_font_family = !empty( $ect_date_styles['font-family'] ) ? $ect_date_styles['font-family'] : 'Monda' ;
            $ect_date_color = !empty( $ect_date_styles['color'] ) ? $ect_date_styles['color'] : '#00445e' ; 
            $ect_date_font_weight = !empty( $ect_date_styles['font-weight'] ) ? $ect_date_styles['font-weight'] : 'bold' ;
            $ect_date_font_style = !empty( $ect_date_styles['font-style'] ) ? $ect_date_styles['font-style'] : '' ;
          // var_dump($ect_date_font_style);
            $ect_date_line_height =!empty( $ect_date_styles['line-height'] ) ? $ect_date_styles['line-height'] : '1' ;
           
            $all_saved_ff['date_family'] = str_replace(" ", "+",$ect_date_font_family);
           
            $all_saved_ff['venue_family'] = str_replace(" ","+",$ect_venue_font_famiily);
            $all_saved_ff['title_family'] = str_replace(" ","+",$ect_title_font_famiily);
            $all_saved_ff['desc_family'] = str_replace(" ","+",$ect_desc_font_famiily);
            $safe_fonts= array('Arial', 'Arial+Black', 'Helvetica','Times+New+Roman',
            'Courier+New','Tahoma', 'Verdana','Impact','Trebuchet+MS','Comic+Sans+MS', 'Lucida+Console',
            'Lucida+Sans+Unicode','Georgia','Palatino+Linotype'
                );
            $load_google_font = !empty($options['ect_load_google_font'])?$options['ect_load_google_font']:'yes';
            if($load_google_font=='yes'){
                $build_url = esc_url('https://fonts.googleapis.com/css?family=');
                $ff_names= array();
                  foreach($all_saved_ff as $key=>$val){
                      if(!in_array($val,$safe_fonts)){
                            $ff_names[]=$val;
                          }
                  }
                if(!empty($ff_names)){
                    $build_url.=implode("|",array_filter($ff_names));
                    wp_enqueue_style('ect-google-font',"$build_url", array(), null, null, 'all');
                }
            }
            
            
            if(in_array($template,array("timeline","classic-timeline",'timeline-view'))) {
                require(ECT_PLUGIN_DIR.'/templates/timeline/timeline-css.php' );
            }
            elseif($template=="minimal-list"){
                require(ECT_PLUGIN_DIR.'/templates/minimal-list/minimal-list-css.php' );
            }
            else{
                require(ECT_PLUGIN_DIR.'/templates/list/list-css.php' );
            }

            if(!empty($custom_css)){
               return $thisPlugin::minify_css($ect_output_css.$custom_css);  
            }else{
                return $thisPlugin::minify_css($ect_output_css); 
            }   
        }

public static function minify_css($input) {
    if(trim($input) === "") return $input;
    return preg_replace(
        array(
            // Remove comment(s)
            '#("(?:[^"\\\]++|\\\.)*+"|\'(?:[^\'\\\\]++|\\\.)*+\')|\/\*(?!\!)(?>.*?\*\/)|^\s*|\s*$#s',
            // Remove unused white-space(s)
            '#("(?:[^"\\\]++|\\\.)*+"|\'(?:[^\'\\\\]++|\\\.)*+\'|\/\*(?>.*?\*\/))|\s*+;\s*+(})\s*+|\s*+([*$~^|]?+=|[{};,>~]|\s(?![0-9\.])|!important\b)\s*+|([[(:])\s++|\s++([])])|\s++(:)\s*+(?!(?>[^{}"\']++|"(?:[^"\\\]++|\\\.)*+"|\'(?:[^\'\\\\]++|\\\.)*+\')*+{)|^\s++|\s++\z|(\s)\s+#si',
            // Replace `0(cm|em|ex|in|mm|pc|pt|px|vh|vw|%)` with `0`
            '#(?<=[\s:])(0)(cm|em|ex|in|mm|pc|pt|px|vh|vw|%)#si',
            // Replace `:0 0 0 0` with `:0`
            '#:(0\s+0|0\s+0\s+0\s+0)(?=[;\}]|\!important)#i',
            // Replace `background-position:0` with `background-position:0 0`
            '#(background-position):0(?=[;\}])#si',
            // Replace `0.6` with `.6`, but only when preceded by `:`, `,`, `-` or a white-space
            '#(?<=[\s:,\-])0+\.(\d+)#s',
            // Minify string value
            '#(\/\*(?>.*?\*\/))|(?<!content\:)([\'"])([a-z_][a-z0-9\-_]*?)\2(?=[\s\{\}\];,])#si',
            '#(\/\*(?>.*?\*\/))|(\burl\()([\'"])([^\s]+?)\3(\))#si',
            // Minify HEX color code
            '#(?<=[\s:,\-]\#)([a-f0-6]+)\1([a-f0-6]+)\2([a-f0-6]+)\3#i',
            // Replace `(border|outline):none` with `(border|outline):0`
            '#(?<=[\{;])(border|outline):none(?=[;\}\!])#',
            // Remove empty selector(s)
            '#(\/\*(?>.*?\*\/))|(^|[\{\}])(?:[^\s\{\}]+)\{\}#s'
        ),
        array(
            '$1',
            '$1$2$3$4$5$6$7',
            '$1',
            ':0',
            '$1:0 0',
            '.$1',
            '$1$3',
            '$1$2$4$5',
            '$1$2$3',
            '$1:0',
            '$1$2'
        ),
    $input);
}

}