<?php


function wdwt_options_validate( $input ) {

  global $wdwt_options;

  $valid_input = $wdwt_options;
  

  $settingsbytab = wdwt_get_settings_by_tab();
  $option_parameters = wdwt_get_option_parameters();
  $option_defaults = wdwt_get_option_defaults();
  $tabs = wdwt_get_tabs();
  
  $submittype = 'submit'; 
  foreach ( $tabs as $tab ) {
    $resetname = 'reset-' . $tab['name'];
    if ( ! empty( $input[$resetname] ) ) {
      $submittype = 'reset';
    }
  }
  
  foreach ( $tabs as $tab ) {
    $submitname = 'submit-' . $tab['name'];
    $resetname = 'reset-' . $tab['name'];
    if ( ! empty( $input[$submitname] ) || ! empty($input[$resetname] ) ) {
      $submittab = $tab['name'];
    }
  }

  $tabsettings = ( isset ( $submittab ) ? $settingsbytab[$submittab] : $settingsbytab['all'] );

  foreach ( $tabsettings as $setting ) {

    if ( 'submit' == $submittype ) {
    
      $optiondetails = $option_parameters[$setting];
      $valid_options = ( isset( $optiondetails['valid_options'] ) ? $optiondetails['valid_options'] : false );
      $sanitize_type = isset($optiondetails['sanitize_type']) ? $optiondetails['sanitize_type'] : '';
      /* validate according to option type */
      switch ($optiondetails['type']) :
        case 'color':
          $valid_input[$setting] = wdwt_param_clean($input[$setting], $valid_input[$setting], 'color', $sanitize_type);
          break;
        case 'colors':
          /*to refresh colors of active theme in themes options*/
          $select_theme = $input[$setting]['select_theme'];
          $theme_index = isset($input[$setting]['active']) ? intval($input[$setting]['active']) : 0;
          /*corresponding themes options*/
          /*add to input params*/
          $valid_input[$select_theme] = $valid_input[$select_theme];
          $valid_input[$select_theme]['active'] = $theme_index;
          /* save color values from color panel to option*/
          foreach ($input[$setting]['colors'] as $color => $color_array) {
            
            $input[$setting]['colors'][$color]['value'] = wdwt_param_clean($color_array['value'], $valid_input[$setting]['colors'][$color]['value'], 'color');

            /*also copy each color value to corresponding value in theme options array*/
            $valid_input[$select_theme]['colors'][$theme_index][$color]['value'] = $input[$setting]['colors'][$color]['value'];
            $valid_input[$select_theme]['colors'][$theme_index][$color]['default'] = $option_defaults[$select_theme]['colors'][$theme_index][$color]['default'];
            $input[$setting]['colors'][$color]['default'] = $option_defaults[$select_theme]['colors'][$theme_index][$color]['default'];
          }
          $valid_input[$setting] = $input[$setting];
          
          break;
        case 'checkbox':
        case 'checkbox_open':
          $valid_input[$setting] = ( isset( $input[$setting] ) && $input[$setting]!=='false' && $input[$setting]!==false ? true : false );
          break;
        case 'radio':
        case 'radio_open':
          $valid_input[$setting] = ( array_key_exists( $input[$setting], $valid_options ) ? $input[$setting] : $valid_input[$setting] );
          break;
        case 'layout' :
        case 'layout_open':
          $valid_input[$setting] = $input[$setting];
          break;
        case 'select':
        case 'select_open':
        case 'select_style':
          $valid_input[$setting] = wdwt_param_clean(isset($input[$setting]) ? $input[$setting] : array(), array(), 'select', $sanitize_type,'', $valid_options);
          break;
        case 'select_theme':
        /* do nothing, the theme options are saved via color panel input (see case 'colors' in this switch)*/
          break;
        case 'text':
        case 'textarea':
        case 'upload_single':
        case 'number':
          $valid_input[$setting] = wdwt_param_clean($input[$setting], '', 'text', $sanitize_type);
          break;
        case 'textarea_slider':
        case 'text_slider':
        case 'upload_multiple':
          $valid_input[$setting] = wdwt_param_clean($input[$setting], '', 'text_slider', $sanitize_type);
          break;
        case 'text_diagram':
          $valid_input[$setting] = wdwt_param_clean($input[$setting], '', 'text_diagram', $sanitize_type);
          break;
        default:
          /*do nothing*/
      endswitch;

    } 
    elseif ( 'reset' == $submittype ) {
      $valid_input[$setting] = $option_defaults[$setting];
    }
  }
  /*set background color*/
  if(isset($optiondetails['mod']) && $optiondetails['mod']){
    if($setting == 'background_color'){
      set_theme_mod($setting, str_replace('#','',$valid_input[$setting]));  
    }
    else{
      set_theme_mod($setting, $valid_input[$setting]);   
    }
    
  }
  return $valid_input;    

}


require_once( 'WDWT_kses.php' );

function wdwt_allowed_html_custom($allowed, $context){
  if ($context === 'allowed_footer_html') {
    global $wdwt_allowed_for_footer;
    $allowed = $wdwt_allowed_for_footer;
  }else if ($context === 'allowed_slider_desc_html') {
    global $wdwt_allowed_for_slider_desc;
    $allowed = $wdwt_allowed_for_slider_desc;
  }else if ($context === 'allowed_custom_head') {
    global $wdwt_allowed_for_custom_head;
    $allowed = $wdwt_allowed_for_custom_head;
  }
  return $allowed;
}

add_filter('wp_kses_allowed_html','wdwt_allowed_html_custom',10, 2);


function wdwt_param_clean($input, $default = false, $param_type, $sanitize_type = '', $validate_type = '', $valid_options = array())
{

  $allowed_footer_html = apply_filters( 'wp_kses_allowed_html', "", "allowed_footer_html" );
  $allowed_slider_desc_html = apply_filters( 'wp_kses_allowed_html', "", "allowed_slider_desc_html" );
  $allowed_custom_head = apply_filters( 'wp_kses_allowed_html', "", "allowed_custom_head" );

  $delimiter = '||wd||';

  switch ($param_type) :
    case "color" :
      /* remove whitespaces and add hash symbol if missed */
      $input = str_replace(' ', '',$input);
      if(substr($input,0,1) != "#"){
         $input = '#'.$input;
      }
      $input = substr($input,0,7);
      /*verify color*/
      if(preg_match('/#([a-f]|[A-F]|[0-9]){3}(([a-f]|[A-F]|[0-9]){3})?\b/', $input, $matches)){
        $input = $matches[0];
      }
      else{/*reset color to default value if wrong input*/
        $input = $default; 
      }
      break;

    case 'text':
      if ( 'sanitize_text_field' == $sanitize_type ) {
        $input = wp_filter_nohtml_kses( $input);
      }
      if ( 'sanitize_html_field' == $sanitize_type  ) {
        $input = wp_filter_kses( $input );
      }
      if ( 'esc_url_raw' == $sanitize_type  ) {
        $input = esc_url_raw( $input );
      }
      if ( 'css' == $sanitize_type  ) {
        $input = addslashes( $input );
      }
      if ( 'sanitize_footer_html_field' == $sanitize_type  ) {
        $input = addslashes(wp_kses(stripslashes($input),$allowed_footer_html));
      }
      if ( 'sanitize_head_html_field' == $sanitize_type  ) {
        $input = addslashes(wp_kses(stripslashes($input),$allowed_custom_head));
      }
      break;

    case 'text_slider' :

        if ( 'sanitize_text_field' == $sanitize_type) {
          $arr = explode( $delimiter , $input );
          for ($i=0; $i < sizeof($arr); $i++) { 
            $arr[$i] = wp_filter_nohtml_kses( str_replace(array("\n", "\r"), "", $arr[$i] ));
          }
          $input = implode ( $delimiter , $arr );
        }
        if ( 'sanitize_html_field' == $sanitize_type ) {
          $arr = explode( $delimiter , $input );
          for ($i=0; $i < sizeof($arr); $i++) { 
            $arr[$i] = addslashes(wp_kses(stripslashes(str_replace(array("\n", "\r"), "",$arr[$i])),$allowed_slider_desc_html));
          }
          $input = implode ( $delimiter , $arr );

        }
        if ( 'esc_url_raw' == $sanitize_type) {
          $arr = explode( $delimiter , $input );
          for ($i=0; $i < sizeof($arr); $i++) { 
            $arr[$i] = esc_url_raw($arr[$i]);
          }
          $input = implode ( $delimiter , $arr );
        }
      break;
    case 'text_diagram' :

        if ( 'sanitize_text_field' == $sanitize_type) {
          $arr = explode( $delimiter , $input );
          for ($i=0; $i < sizeof($arr); $i++) { 
            $arr[$i] = wp_filter_nohtml_kses( str_replace(array("\n", "\r"), "", $arr[$i] ));
          }
          $input = implode ( $delimiter , $arr );
        }
      break;
    case 'select' :
      $valid_input = $default;
      if(is_string($input)){
        $input = array($input);
      }
      foreach ($input as $key=> $value) { /*selects are always arrays in admin and meta!*/
        if('sanitize_text_field' == $sanitize_type){
          $valid_input[$key]  = wp_filter_nohtml_kses( $value);  
        }
        else{ /*no sanitize*/
          $valid_input[$key]  = $value;  
        }
        
      }
      $input = $valid_input;
      break;

    default :
      break;
  endswitch;


  return $input;

}


class WDWT_customizer_sanitizer {

  static function color_($input, $setting){
    $default = '#000000';
    /* remove whitespaces and add hash symbol if missed */
    $input = str_replace(' ', '',$input);
    if(substr($input,0,1) != "#"){
       $input = '#'.$input;
    }
    $input = substr($input,0,7);
    /*verify color*/
    if(preg_match('/#([a-f]|[A-F]|[0-9]){3}(([a-f]|[A-F]|[0-9]){3})?\b/', $input, $matches)){
      $input = $matches[0];
    }
    else{/*reset color to default value if wrong input*/
      $input = $default; 
    }
    return $input;
  }
  
  static function text_($input, $setting){
    return $input;
  }
  static function text_sanitize_text_field($input, $setting){
    $input = wp_filter_nohtml_kses( $input);
    return $input;
  }
  static function text_sanitize_html_field($input, $setting){


    $input = wp_filter_kses( $input);
    return $input;
  }
  static function text_sanitize_footer_html_field($input, $setting){
    $allowed_footer_html = apply_filters( 'wp_kses_allowed_html', "", "allowed_footer_html" );

    $input = addslashes(wp_kses(stripslashes($input),$allowed_footer_html));
    return $input;
  }
  static function text_sanitize_head_html_field($input, $setting){
    $allowed_custom_head = apply_filters( 'wp_kses_allowed_html', "", "allowed_custom_head" );
    
    $input = addslashes(wp_kses(stripslashes($input),$allowed_custom_head));
    return $input;
  }
  static function text_esc_url_raw($input, $setting){
    $input = esc_url_raw( $input);
    return $input;
  }
  static function text_css($input, $setting){
    $input = addslashes( $input );
    return $input;
  }
  static function text_slider_sanitize_text_field($input, $setting){
    $arr = explode( self::delimiter() , $input );
    for ($i=0; $i < sizeof($arr); $i++) { 
      $arr[$i] = wp_filter_nohtml_kses( str_replace(array("\n", "\r"), "", $arr[$i] ));
    }
    $input = implode ( self::delimiter() , $arr );
    return $input;
  }
  static function text_slider_sanitize_html_field($input, $setting){
    $allowed_slider_desc_html = apply_filters( 'wp_kses_allowed_html', "", "allowed_slider_desc_html" );
    
    $arr = explode( self::delimiter() , $input );
    for ($i=0; $i < sizeof($arr); $i++) { 
      $arr[$i] = addslashes(wp_kses(stripslashes(str_replace(array("\n", "\r"), "",$arr[$i])),$allowed_slider_desc_html));
    }
    $input = implode ( self::delimiter() , $arr );
    return $input;
  }
  static function text_slider_esc_url_raw($input, $setting){
    $arr = explode( self::delimiter() , $input );
    for ($i=0; $i < sizeof($arr); $i++) { 
      $arr[$i] = esc_url_raw($arr[$i]);
    }
    $input = implode ( self::delimiter() , $arr );
    return $input;
  }
  static function select_($input, $setting){

    $valid_input = array();
    //if multiple
    if(is_array($input)){
      foreach ($input as $key=> $value) {
        $valid_input[$key]  = $value;
      }
    }
    else{
      $valid_input[0]  = $input;
    }
    $input = $valid_input;
    return $input;
  }
  static function select_sanitize_text_field($input, $setting){

    $valid_input = array();

    //if multiple
    if(is_array($input)){
      foreach ($input as $key=> $value) {
        $valid_input[$key]  = wp_filter_nohtml_kses( $value);
      }
    }
    else{
      $valid_input[0]  = wp_filter_nohtml_kses($input);
    }
    
    $input = $valid_input;
    return $input;
  }
  static function delimiter(){
    return "||wd||";
  }


}