/**
 * Copyright (c) 2014-2016, CKSource - Frederico Knabben. All rights reserved.
 * Licensed under the terms of the MIT License (see LICENSE.md).
 *
 * The abbr plugin dialog window definition.
 *
 * Created out of the CKEditor Plugin SDK:
 * http://docs.ckeditor.com/#!/guide/plugin_sdk_sample_1
 */

// Our dialog definition.
CKEDITOR.dialog.add( 'geshiDialog', function( editor ) {
    var radio, ckg_geshi_langopts = new Array();
    var href, id,geshi_dialog, t_display,s_display;
    
    var  getHref = function() {
       var data = window.location.pathname;
       var qs = window.location.search;      
       var matches = data.match(/\/(.*?)\/(doku.php)?\/?(.*)/);
     
       if(qs_match = qs.match(/id=([\w:_\.]+)\b/)) { //none
           id = qs_match[1];
           href = matches[0];           
  }
       else if(!matches[2])
       {
           id = matches[3];
           href = matches[1] + '/doku.php';
       }
       else {
          id = matches[3];  
          href = matches[2] + '/doku.php';
       }  
       if(!href) href='doku.php';
       if(!id) id = 'start';
        return {'href':href, 'id':id};
  };
 
    var downloadable_header = function(type,fname) {   
    var id = 'start';  
    var file = fname ? fname: 'temp.' + type;
    var href_vals = getHref();   
    return  '<dl class="file">' 
    +'<dt><a href="' + href_vals.href + '?do=export_code&id=' + href_vals.id+ '&codeblock=0" title="Download Snippet" class="mediafile mf_' + type +'">' +file +'</a></dt> <dd><pre class="file ' + type+ '">';
 };
 
    var downloadable_footer = function() {   
    return "</pre> </dd></dl>";
  } 
 

     ckg_geshi_langopts = editor.config.geshi_opts;
     if(!ckg_geshi_langopts.match(/ENotfound/)) {
        ckg_geshi_langopts = ckg_geshi_langopts.split(';;');
        var tmp;
        for(var i=0; i<ckg_geshi_langopts.length; i++) {
            tmp = ckg_geshi_langopts[i] ;
            ckg_geshi_langopts[i] = new Array(tmp);        
    }
      ckg_geshi_langopts.unshift(['Not Set']);
        s_display = 'display:block';
        t_display = 'display:none';
    }
    else {
        t_display = 'display:inline';
        s_display = 'display:none';
        ckg_geshi_langopts = [];
    }
	return { 
		// Basic properties of the dialog window: title, minimum size.
		title: editor.lang.geshi.window_title,
		minWidth: 600,
		minHeight: 350,

		// Dialog window content definition.
		contents: [
			{
				// Definition of the Basic Settings dialog tab (page).
				id: 'tab-basic',
				label: editor.lang.geshi.basic_settings,

				// The tab content.
				elements: [
					{
						// Text input field for the abbreviation text.
						type: 'textarea',
                        rows:18,
                        cols:  80,
						id: 'geshi',
						label: editor.lang.geshi.code,
						// Validation checking whether the field is not empty.
						validate: CKEDITOR.dialog.validate.notEmpty(editor.lang.geshi.code_empty)
					},
                    {
                        type: 'hbox',
                        widths: [ '33%', '33%','33%'],
                        children: [
                                        {
                                            type: 'select',
                                             id: 'ckg_geshi_lang',
                                             label: "Select language", //editor.lang.geshi.lang,
                                              items:  ckg_geshi_langopts,  
                                              'default':ckg_geshi_langopts[0], 
                                              style:  s_display,              
                                              onChange: function( api ) {
                                                //  geshi_dialog.getContentElement(  'tab-basic', 'language' ).setValue(this.getValue());                           
                                             }
                                         },     
                                        {                                           
                                            type: 'text',
                                            id: 'language',              
                                            label:   "<html><span title='"+editor.lang.geshi.tooltip+"' style = 'color:blue;text-decoration:underline;'  onmouseover='this.style.cursor=\"pointer\";'>" + editor.lang.geshi.quick_srch+"</span></html>", //editor.lang.geshi.lang || 'Programming Language',                                       
                                            width: '125px',
                                             onChange: function( api ) {
                                                 var srch = this.getValue().toLowerCase();
                                                 srch = srch.escapeRegExpCkg(srch);
                                                   var regex = new RegExp('^' +srch); 
                                                    for(var i = 1; i< ckg_geshi_langopts.length; i++) { 
                                                            if(regex.test(ckg_geshi_langopts[i])) {
                                                                 srch=ckg_geshi_langopts[i];
                                                                 break;
                                                             }
                                                    }
                                                    if(srch)  geshi_dialog.getContentElement(  'tab-basic', 'ckg_geshi_lang' ).setValue(srch);                           
                                             }                                         
                                        },

                                        {
                                            type: 'text',
                                            id: 'file',
                                            label: editor.lang.geshi.file || 'File name',
                                            width: '175px',
                                        },                                        
                                        {
                                            type: 'radio',
                                            id: 'which',
                                            label: editor.lang.geshi.which,
                                            items: [ [ editor.lang.geshi.codeblock, 'block' ], [ editor.lang.geshi.snippet, 'snippet' ], [ editor.lang.geshi.plain_text, 'text' ]],
                                            'default': 'block',
                                            style: 'color: green',
                                              onClick: function() {    
                                                 radio = this.getValue();
                                            }
                                        },                    
                        ]          //hbox children
                    },            //hbox        
                  
                       {
                        type: 'hbox',
                        widths: [ '60%','40%'],
                        children: [
                                        {
                                            type: 'radio',
                                            id: 'numbers',
                                            label: editor.lang.geshi.numbers_header||'For syntax numbering, select type',
                                             items: [ [ editor.lang.geshi.nonumbers, 'nonumbers' ], [ editor.lang.geshi.numonly, 'numonly' ], [ editor.lang.geshi.startat, 'startat' ], [ editor.lang.geshi.xtra, 'xtra' ]],                           
                                            'default': 'nonumbers',
                                            style: 'color: green',
                                              onClick: function() {    
                                                 radio = this.getValue();
                                            }
                                        },          
                                            {
                                            type: 'text',
                                            id: 'linenums',
                                            label: editor.lang.geshi.linenums ||'Line number or numbers: line n or n1,n2..',
                                            width: '175px',
                                        },                                          
                       ]
                     },//hbox
                   
				]  //elements
			},  //contents

		], //contents

       onShow : function()
       {
             var dialog = this;         
             geshi_dialog = dialog;
             selection = editor.getSelection();             
             var text = selection.getSelectedText();                    
             dialog.getContentElement(  'tab-basic', 'geshi' ).setValue( text );  
             String.prototype.escapeRegExpCkg = function(str) {
                   return str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); // $& means the whole matched string
             };                
         //   dialog.getContentElement(  'tab-basic', 'language' ).style='display:block'; 
          //  alert( 'Current value: ' + dialog.getValueOf( 'tab-basic', 'ckg_geshi_lang' ) );
       },
       
		
		onOk: function() {
			// The context of this function is the dialog object itself.
			// http://docs.ckeditor.com/#!/api/CKEDITOR.dialog
           
			 var dialog = this, retval;      
	         var text = dialog.getValueOf( 'tab-basic', 'geshi' );
			 text = text.replace(/</gm,'&lt;');
			 text = text.replace(/>/gm,'&gt;');			
             var which = dialog.getValueOf( 'tab-basic', 'which' );   
             var highlight = dialog.getValueOf( 'tab-basic', 'numbers' );
			 var hiliting = '/*[enable_line_numbers="true"';
			 if(highlight != 'nonumbers') {//'numonly'
				 if(highlight == 'numonly'){
			        text = "\n" + hiliting +']' +"*/\n" + text;
				 }
				 else if(highlight == 'startat'){
					var num =  dialog.getValueOf( 'tab-basic', 'linenums' );
				    text = "\n" + hiliting + ', start_line_numbers_at="'+num +'"]' +"*/\n" + text; 
				 }
				 else {  //hilite individual lines
					 var num =  dialog.getValueOf( 'tab-basic', 'linenums' );
					 text = "\n" + hiliting + ', highlight_lines_extra="'+num +'"]' +"*/\n" + text; 					 
				 }
			 }
        
            var p_lang = dialog.getValueOf( 'tab-basic', 'ckg_geshi_lang' );
            if(p_lang.match(/Not Set/i)) {
				         if(which == 'text') {
						     p_lang = 'text';
						 }
                         else p_lang = "";                       
              }
              
            if(!p_lang) {
                    if(confirm('Language not found. Try again?'))  {
                         return false;
                    }
                }
                   
             if(p_lang) {
                 if(p_lang == 'text') {					
					 text = text.replace(/^(.*?)\n$/gm,"<p>$1</p>");					
					 retval = text;  
				 }					 
                 else if(which == 'block') {
                     retval = '<pre class="code ' + p_lang+ '">' + text + '</pre>';
                 }
                 else retval = downloadable_header(p_lang,dialog.getValueOf( 'tab-basic', 'file' ) ) + text + downloadable_footer();
                 editor.insertHtml(retval);
           }
           
		}
	};
});