/*
 * @package AJAX_Chat
 * @author Sebastian Tschan
 * @copyright (c) Sebastian Tschan
 * @license GNU Affero General Public License
 * @link https://blueimp.net/ajax/
 */

// Overriding client side functionality:

/*
// Example - Overriding the replaceCustomCommands method:
ajaxChat.replaceCustomCommands = function(text, textParts) {
	return text;
}
 */
 
var uagent    = navigator.userAgent.toLowerCase();
var is_ie     = ( (uagent.indexOf('msie') != -1) && (!is_opera) && (!is_safari) && (!is_webtv) );
var is_win    =  ( (uagent.indexOf("win") != -1) || (uagent.indexOf("16bit") !=- 1) );
var ua_vers   = parseInt(navigator.appVersion);
//translit
var rus_lr2 = ('Е-е-О-о-Ё-Ё-Ё-Ё-Ж-Ж-Ч-Ч-Ш-Ш-Щ-Щ-Ъ-Ь-Э-Э-Ю-Ю-Я-Я-Я-Я-ё-ё-ж-ч-ш-щ-э-ю-я-я').split('-');
var lat_lr2 = ('/E-/e-/O-/o-ЫO-Ыo-ЙO-Йo-ЗH-Зh-ЦH-Цh-СH-Сh-ШH-Шh-ъ'+String.fromCharCode(35)+'-ь'+String.fromCharCode(39)+'-ЙE-Йe-ЙU-Йu-ЙA-Йa-ЫA-Ыa-ыo-йo-зh-цh-сh-шh-йe-йu-йa-ыa').split('-');
var rus_lr1 = ('А-Б-В-Г-Д-Е-З-И-Й-К-Л-М-Н-О-П-Р-С-Т-У-Ф-Х-Х-Ц-Щ-Ы-Я-а-б-в-г-д-е-з-и-й-к-л-м-н-о-п-р-с-т-у-ф-х-х-ц-щ-ъ-ы-ь-ь-я').split('-');
var lat_lr1 = ('A-B-V-G-D-E-Z-I-J-K-L-M-N-O-P-R-S-T-U-F-H-X-C-W-Y-Q-a-b-v-g-d-e-z-i-j-k-l-m-n-o-p-r-s-t-u-f-h-x-c-w-'+String.fromCharCode(35)+'-y-'+String.fromCharCode(39)+'-'+String.fromCharCode(96)+'-q').split('-');
//translit
//==========================================
// TRANSLITIRATE (Main)
//==========================================

function translit()
{
var obj_ta = document.getElementById('inputField');
   //----------------------------------------
    // It's IE!
    //----------------------------------------
    if ( (ua_vers >= 4) && is_ie && is_win)
    {
        if (obj_ta.isTextEdit)
        {
            obj_ta.focus();
            var sel = document.selection;
            var rng = sel.createRange();
            rng.colapse;
            if((sel.type == "Text" || sel.type == "None") && rng != null)
            {
                rng.text = dotranslate(rng.text);
            }
        }
        else
        {
            obj_ta.value = dotranslate(obj_ta.value);
        }
    }
    //----------------------------------------
    // It's MOZZY!
    //----------------------------------------

    else if ( obj_ta.selectionEnd )
    {
        var ss = obj_ta.selectionStart;
        var st = obj_ta.scrollTop;
        var es = obj_ta.selectionEnd;

        if (es <= 2)
        {
            es = obj_ta.textLength;
        }

        var start  = (obj_ta.value).substring(0, ss);
        var middle = (obj_ta.value).substring(ss, es);
        var end    = (obj_ta.value).substring(es, obj_ta.textLength);

        //-----------------------------------
        // text range?
        //-----------------------------------

        if (obj_ta.selectionEnd - obj_ta.selectionStart > 0)
        {
            middle = dotranslate(middle);
        }

        obj_ta.value = start + middle + end;

        var cpos = ss + (middle.length);

        obj_ta.selectionStart = cpos;
        obj_ta.selectionEnd   = cpos;
        obj_ta.scrollTop      = st;


    }

    //----------------------------------------
    // It's CRAPPY!
    //----------------------------------------
    else
    {

        obj_ta.value = dotranslate(obj_ta.value);
    }

    obj_ta.focus();

    return;
}



//==========================================
// TRANSLITIRATE (String convertion)
//------------------------------------------
// Original code from translit.ru
// by Igor Ilyin (2002-2004)
//==========================================


function dotranslate(text)
{
    var txtnew = "";
    var symb = 0;
    var subsymb = "";
    var trans = 1;
    for (kk=0;kk<text.length;kk++)
    {
        subsymb = text.substr(kk,1);
        if ((subsymb=="[") || (subsymb=="<"))
        {
            trans = 0;
        }
        if ((subsymb=="]") || (subsymb==">"))
        {
            trans = 1;
        }
        if (trans)
        {
            symb = transsymbtocyr(txtnew.substr(txtnew.length-1,1), subsymb);
        }
        else
        {
            symb = txtnew.substr(txtnew.length-1,1) + subsymb;
        }
        txtnew = txtnew.substr(0,txtnew.length-1) + symb;
    }
    return txtnew;
}

//==========================================
// TRANSLITIRATE (Symbol convertion)
//------------------------------------------
// Original code from translit.ru
// by Igor Ilyin (2002-2004)
//==========================================

function transsymbtocyr(pretxt,txt)
{
    var doubletxt = pretxt+txt;
    var code = txt.charCodeAt(0);
    if (!(((code>=65) && (code<=123))||(code==35)||(code==39))) return doubletxt;
    var ii;
    for (ii=0; ii<lat_lr2.length; ii++)
    {
        if (lat_lr2[ii]==doubletxt) return rus_lr2[ii];
    }
    for (ii=0; ii<lat_lr1.length; ii++)
    {
        if (lat_lr1[ii]==txt) return pretxt+rus_lr1[ii];
    }
    return doubletxt;
}

ajaxChat.replaceCustomCommands = function(text, textParts) { 
	switch(textParts[0]) { 
		case '/takeover': 
		text=text.replace('/takeover', ' '); return '<span class="chatBotMessage">' + text + '</span>'; 
		default: return text; 
	}
}