﻿jQuery.autocomplete = function (input, options) {
    // Create a link to self
    var me = this;

    // Create jQuery object for input element
    var $input = $(input).attr("autocomplete", "off");

    // Apply inputClass if necessary
    if (options.inputClass) $input.addClass(options.inputClass);


    // Create results
    var results = document.createElement("div");
    // Create jQuery object for results
    var $results = $(results);
    $results.hide().addClass(options.typeClass);
    $results.hide().addClass(options.resultsClass).css("position", "absolute");
    if (options.width > 0) $results.css("width", options.width);

    // Add to body element
    $("body").append(results);


    input.autocompleter = me;

    var timeout = null;
    var prev = "";
    var active = -1;
    var cache = {};
    var keyb = false;
    var hasFocus = false;
    var lastKeyPressCode = null;

    // flush cache
    function flushCache() {
        cache = {};
        cache.data = {};
        cache.length = 0;
    };

    // flush cache
    flushCache();

    // if there is a data array supplied
    if (options.data != null) {
        var sFirstChar = "", stMatchSets = {}, row = [];

        // no url was specified, we need to adjust the cache length to make sure it fits the local data store
        if (typeof options.url != "string") options.cacheLength = 1;

        // loop through the array and create a lookup structure
        for (var i = 0; i < options.data.length; i++) {
            // if row is a string, make an array otherwise just reference the array
            row = ((typeof options.data[i] == "string") ? [options.data[i]] : options.data[i]);

            // if the length is zero, don't add to list
            if (row[0].length > 0) {
                // get the first character
                sFirstChar = row[0].substring(0, 1).toLowerCase();
                // if no lookup array for this character exists, look it up now
                if (!stMatchSets[sFirstChar]) stMatchSets[sFirstChar] = [];
                // if the match is a string
                stMatchSets[sFirstChar].push(row);
            }
        }

        // add the data items to the cache
        for (var k in stMatchSets) {
            // increase the cache size
            options.cacheLength++;
            // add to the cache
            addToCache(k, stMatchSets[k]);
        }
    }

    $input
	.keydown(function (e) {
	    // track last key pressed
	    lastKeyPressCode = e.keyCode;
	    switch (e.keyCode) {
	        case 38: // up
	            e.preventDefault();
	            moveSelect(-1);
	            break;
	        case 40: // down
	            e.preventDefault();
	            moveSelect(1);
	            break;
	        case 9:  // tab
	            if (selectCurrent()) {
	                // make sure to blur off the current field
	                $input.get(0).blur();

	                e.preventDefault();
	            }
	            break;
	        case 13: // return

	            if (selectCurrent()) {
	                // make sure to blur off the current field
	                $input.get(0).blur();
	                //alert($("#"+options.hiddenField).val())
	                if (options.onClickBehavior == 'true') {
	                    if ($.browser.msie) {
	                        document.getElementById(options.proceedButton).click();
	                    } else {
	                        document.getElementById(options.proceedButton2).click();
	                    }
	                }

	                /*$("#"+options.proceedButton).click(function(){
	                alert("")
	                })*/
	                //alert($("#"+options.hiddenField).val())
	                e.preventDefault();
	            }
	            break;

	        default:
	            active = -1;
	            if (timeout) clearTimeout(timeout);
	            timeout = setTimeout(function () { onChange(); }, options.delay);
	            break;
	    }
	})
	.focus(function () {
	    // track whether the field has focus, we shouldn't process any results if the field no longer has focus
	    hasFocus = true;
	    //$input.val('');

	})
	.blur(function () {
	    // track whether the field has focus
	    hasFocus = false;
	    hideResults();
	    //if($input.val()!="")
	    //$input.val('')
	    //$("#"+options.hiddenField).val('');
	});

    hideResultsNow();

    function onChange() {
        // ignore if the following keys are pressed: [del] [shift] [capslock]
        if (lastKeyPressCode == 46 || (lastKeyPressCode > 8 && lastKeyPressCode < 32)) return $results.hide();
        var v = $input.val();
        if (v == prev) return;
        prev = v;
        $("#" + options.hiddenField).val('');
        if (v.length >= options.minChars) {
            // alert('requested')
            //$input.addClass(options.loadingClass);
            requestData(v);
        } else {
            //$input.removeClass(options.loadingClass);
            $results.hide();
        }
    };

    function moveSelect(step) {

        var lis = $("li", results);
        if (!lis) return;

        active += step;

        if (active < 0) {
            active = 0;
        } else if (active >= lis.size()) {
            active = lis.size() - 1;
        }

        lis.removeClass("ac_over");

        $(lis[active]).addClass("ac_over");

        // Weird behaviour in IE
        // if (lis[active] && lis[active].scrollIntoView) {
        // 	lis[active].scrollIntoView(false);
        // }

    };

    function selectCurrent() {
        var li = $("li.ac_over", results)[0];
        if (!li) {
            var $li = $("li", results);
            if (options.selectOnly) {
                if ($li.length == 1) li = $li[0];
            } else if (options.selectFirst) {
                li = $li[0];
            }
        }
        if (li) {

            selectItem(li);
            return true;
        } else {
            return false;
        }
    };

    function selectItem(li) {

        //alert(1);

        if (!li) {
            li = document.createElement("li");
            li.extra = [];
            li.selectValue = "";
        }

        //Se for o campo de INFORMAÇÕES
        if (li.className.indexOf("INFOPULSO") >= 0) {
            location = $("li.INFOPULSO a").attr("href");
            return false;
        }
        if (li.className.indexOf("INFO") >= 0) {
            location = $("li.INFO a").attr("href");
            return false;
        }


        var v = $.trim(li.selectValue ? li.selectValue : li.innerHTML);
        input.lastSelected = v;
        prev = v;
        $results.html("");
        //alert(v);
        if ($("#bookingEngineGlobalContainter ul li:first").next('li').hasClass("ui-tabs-selected")) {

            //alert(v);
            v = $.trim(v.replace(/<em>/gi, " ("));
            v = $.trim(v.replace(/<\/em>/gi, ")"));
        }

        if ($("#bookingEngineGlobalContainter ul li:first").next('li').next('li').hasClass("ui-tabs-selected") || options.typeClass == 'autocompleteHotel') {

            //alert("1:" + v);
            if (li.extra[0].indexOf('Geographic') > -1) {
                v = $.trim(v.replace(/<em>/gi, " ("));
                v = $.trim(v.replace(/<\/em>/gi, ")"));
            }

        }

        v = $.trim(v.replace(/<[^>]*>/gi, ""))

        $input.val(v);
        $("#" + options.hiddenField).val(li.extra[0]);
        //alert($("#"+options.hiddenField).val())
        hideResultsNow();
        if (options.onItemSelect) setTimeout(function () { options.onItemSelect(li) }, 1);
    };

    // selects a portion of the input string
    function createSelection(start, end) {
        // get a reference to the input element
        var field = $input.get(0);
        if (field.createTextRange) {
            var selRange = field.createTextRange();
            selRange.collapse(true);
            selRange.moveStart("character", start);
            selRange.moveEnd("character", end);
            selRange.select();
        } else if (field.setSelectionRange) {
            field.setSelectionRange(start, end);
        } else {
            if (field.selectionStart) {
                field.selectionStart = start;
                field.selectionEnd = end;
            }
        }
        field.focus();
    };

    // fills in the input box w/the first match (assumed to be the best match)
    function autoFill(sValue) {
        // if the last user key pressed was backspace, don't autofill
        if (lastKeyPressCode != 8) {
            // fill in the value (keep the case the user has typed)
            $input.val($input.val() + sValue.substring(prev.length));
            // select the portion of the value not typed by the user (so the next character will erase)
            createSelection(prev.length, sValue.length);
        }
    };

    function showResults() {
        // get the position of the input field right now (in case the DOM is shifted)
        var pos = findPos(input);
        var extraMarginTop = 0;
        var extraMarginLeft = 0;

        if ($.browser.mozilla)
            extraMarginLeft = 1
        // either use the specified width, or autocalculate based on form element

        if ($("#bookingEngineGlobalContainter ul li:first").hasClass("ui-tabs-selected")) {
            //alert('flights')
            var iWidth = options.width - 2
            extraMarginTop = 0
        } else if ($("#bookingEngineGlobalContainter ul li:first").next('li').hasClass("ui-tabs-selected") || $("#bookingEngineGlobalContainter ul li:first").next('li').next('li').hasClass("ui-tabs-selected")) {
            var iWidth = options.width - 2
            extraMarginTop = 0
        } else {
            //alert('others')
            var iWidth = 240
            if ($.browser.mozilla)
                extraMarginTop = 3
        }

        //var iWidth = (options.width > 0) ? options.width : $input.width();
        // reposition
        $results.css({
            width: parseInt(iWidth) + "px",
            top: (pos.y + input.offsetHeight + extraMarginTop) + "px",
            left: pos.x + extraMarginLeft + "px"
        }).show();
        //alert($results.css("width"))
    };

    function hideResults() {
        if (timeout) clearTimeout(timeout);
        timeout = setTimeout(hideResultsNow, 200);
    };

    function hideResultsNow() {
        if (timeout) clearTimeout(timeout);
        //$input.removeClass(options.loadingClass);
        if ($results.is(":visible")) {
            $results.hide();
        }
        if (options.mustMatch) {
            var v = $input.val();
            if (v != input.lastSelected) {
                selectItem(null);
            }
        }
    };

    function receiveData(q, data) {
        if (data) {
            //$input.removeClass(options.loadingClass);
            results.innerHTML = "";

            // if the field no longer has focus or if there are no matches, do not display the drop down
            if (!hasFocus || data.length == 0) return hideResultsNow();

            if ($.browser.msie) {
                if (!$("html").hasClass("ie9")) {
                    $results.append(document.createElement('iframe'));
                }
                // we put a styled iframe behind the calendar so HTML SELECT elements don't show through
            }
            /*var parsed = [];
            for (var i = 0; i < data.length; i++) {
            var row = data[i];
            if (row) {
            parsed[parsed.length] = row[i].split(options.cellSeparator);
            }
            }*/

            results.appendChild(dataToDom(data));
            // autofill in the complete box w/the first match as long as the user hasn't entered in more data
            if (options.autoFill && ($input.val().toLowerCase() == q.toLowerCase())) autoFill(data[0][0]);
            showResults();
        } else {
            hideResultsNow();
        }
    };

    function parseData(data) {
        if (!data) return null;
        var parsed = [];
        if (data.constructor != Array) {
            var rows = data.split(options.lineSeparator);
        } else {
            var rows = [];
            for (var i = 0; i < data.length; i++) {
                rows[rows.length] = data[i][0];

            }
        }


        for (var i = 0; i < rows.length; i++) {
            var row = $.trim(rows[i]);
            if (row) {
                parsed[parsed.length] = row.split(options.cellSeparator);
            }
        }
        if (parsed.length <= 0) {
            parsed[parsed.length] = options.pedidoInfoUrl.split(options.cellSeparator);


        }
        return parsed;
    };

    function dataToDom(data) {
        var ul = document.createElement("ul");
        var num = data.length;

        // limited results to a max number
        if ((options.maxItemsToShow > 0) && (options.maxItemsToShow < num)) num = options.maxItemsToShow;

        for (var i = 0; i < num; i++) {
            var row = data[i];
            if (!row) continue;
            var li = document.createElement("li");
            if (options.formatItem) {
                li.innerHTML = options.formatItem(row, i, num);
                li.selectValue = row[0];
            } else {


                li.innerHTML = row[0].replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + $input.val().replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1") + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "<strong class=\"darkerCyanAutocomplete\">$1</strong>");
                li.selectValue = row[0];
                var iconType
                iconType = row[1].split("§");
                //iconType = row[1].split("§");
                //Este passo adiciona uma Class ao elemento li para colocoar o ícone corresponedente ao resultado retornado
                //Valida pela option do market

                //var trimmedHTML = $.trim(li.innerHTML.replace(/<[^>]*>/gi,""))

                switch (options.market) {
                    //Mercados GeoturCOM e PulsoPT respectivamente                              
                    case '2', '7':
                        li.className = iconType[0];
                        break;

                    default:
                        li.className = iconType[0];
                        break;
                }
                //alert('§'+trimmedHTML+'§ ' + trimmedHTML.length )
                li.style.width = (options.width - 18) + "px";
                //li.css({'width' : options.width});  

                //if ($("#bookingEngineGlobalContainter ul li:first").hasClass("ui-tabs-selected")) {

                //if((trimmedHTML.length) <= 31 )
                //li.className += " smallerLine";
                //else
                //li.className += " smallerLineDouble";

                /*}   else {
                if((trimmedHTML.length) <= 40 )
                li.className += " ";
                }*/

            }
            var extra = null;
            if (row.length > 1) {
                extra = [];
                for (var j = 1; j < row.length; j++) {
                    extra[extra.length] = row[j];
                }
            }
            li.extra = extra;
            ul.appendChild(li);

            if (li.className != "INFO" && li.className != "INFOPULSO") {
                $(li).hover(
				    function () {
				        $("li", ul).removeClass("ac_over");
				        $(this).addClass("ac_over");
				        active = $("li", ul).indexOf($(this).get(0));
				        $(this).bind('click', function (e) {
				            selectItem(this);
				            if (options.onClickBehavior == 'true') {
				                if ($.browser.msie) {
				                    document.getElementById(options.proceedButton).click();
				                } else {
				                    document.getElementById(options.proceedButton2).click();
				                }
				            }
				            e.preventDefault(); e.stopPropagation();
				        });
				    },
				    function () { $(this).removeClass("ac_over"); }
			    ).click(function (e) {
			        selectItem(this); e.preventDefault(); e.stopPropagation();
			        if (options.onClickBehavior == 'true') {
			            if ($.browser.msie) {
			                document.getElementById(options.proceedButton).click();
			            } else {
			                document.getElementById(options.proceedButton2).click();
			            }
			        }

			    });

                //$(li).click(function (e) {
                //    alert('Click');
                /*    selectItem(this); e.preventDefault(); e.stopPropagation();
                if (options.onClickBehavior == 'true') {
                if ($.browser.msie) {
                document.getElementById(options.proceedButton).click();
                } else {
                document.getElementById(options.proceedButton2).click();
                }
                }*/
                //});


            }
        }
        return ul;
    };

    function requestData(q) {

        if (!options.matchCase) q = q.toLowerCase();
        var data = options.cacheLength ? loadFromCache(q) : null;
        // recieve the cached data

        //alert(data)


        // if an AJAX url has been supplied, try loading the data now
        if ((typeof options.url == "string") && (options.url.length > 0)) {
            //alert(q)


            var xhr;

            try { xhr = new ActiveXObject('Msxml2.XMLHTTP'); }
            catch (e) {
                try { xhr = new ActiveXObject('Microsoft.XMLHTTP'); }
                catch (e2) {
                    try { xhr = new XMLHttpRequest(); }
                    catch (e3) { xhr = false; }
                }
            }



            xhr.onreadystatechange = function () {
                if (xhr.readyState == 4) {
                    if (xhr.status == 200) {
                        data = xhr.responseText;
                        data = parseData(data);
                        addToCache(q, data);
                        receiveData(q, data);

                    }
                    //else 
                    //    document.getElementById(id).value = "Error code " + xhr.status;
                }
            }

            xhr.open("GET", makeUrl(q), true);
            xhr.send(null);



            /*$.get(makeUrl(q), function(data) {
            //alert(data)
            data = parseData(data);
            addToCache(q, data);
            receiveData(q, data);
            });*/
            // if there's been no data found, remove the loading class
        } else if (data) {
            data = parseData(data);
            //addToCache(q, data);
            receiveData(q, data);
        } else {
            //$input.removeClass(options.loadingClass);
        }
    };

    function makeUrl(q) {
        var url = options.url + "?q=" + encodeURI(q);
        for (var i in options.extraParams) {
            url += "&" + i + "=" + encodeURI(options.extraParams[i]);
        }
        return url;
    };

    function loadFromCache(q) {
        if (!q) return null;
        if (cache.data[q]) return cache.data[q];
        if (options.matchSubset) {
            for (var i = q.length - 1; i >= options.minChars; i--) {
                var qs = q.substr(0, i);
                var c = cache.data[qs];
                if (c) {
                    var csub = [];
                    for (var j = 0; j < c.length; j++) {
                        var x = c[j];
                        var x0 = x[0];
                        if (matchSubset(x0, q)) {
                            csub[csub.length] = x;
                        }
                    }
                    return csub;
                }
            }
        }
        return null;
    };

    function matchSubset(s, sub) {
        if (!options.matchCase) s = s.toLowerCase();
        var i = s.indexOf(sub);
        if (i == -1) return false;
        return i == 0 || options.matchContains;
    };

    this.flushCache = function () {
        flushCache();
    };

    this.setExtraParams = function (p) {
        options.extraParams = p;
    };

    this.findValue = function () {
        var q = $input.val();

        if (!options.matchCase) q = q.toLowerCase();
        var data = options.cacheLength ? loadFromCache(q) : null;
        if (data) {
            findValueCallback(q, data);
        } else if ((typeof options.url == "string") && (options.url.length > 0)) {
            $.get(makeUrl(q), function (data) {
                data = parseData(data)
                addToCache(q, data);
                findValueCallback(q, data);
            });
        } else {
            // no matches
            findValueCallback(q, null);
        }
    }

    function findValueCallback(q, data) {
        if (data) $input.removeClass(options.loadingClass);

        var num = (data) ? data.length : 0;
        var li = null;

        for (var i = 0; i < num; i++) {
            var row = data[i];

            if (row[0].toLowerCase() == q.toLowerCase()) {
                li = document.createElement("li");
                if (options.formatItem) {
                    li.innerHTML = options.formatItem(row, i, num);
                    li.selectValue = row[0];
                } else {
                    li.innerHTML = row[0];
                    li.selectValue = row[0];
                }
                var extra = null;
                if (row.length > 1) {
                    extra = [];
                    for (var j = 1; j < row.length; j++) {
                        extra[extra.length] = row[j];
                    }
                }
                li.extra = extra;
            }
        }

        if (options.onFindValue) setTimeout(function () { options.onFindValue(li) }, 1);
    }

    function addToCache(q, data) {
        if (!data || !q || !options.cacheLength) return;
        if (!cache.length || cache.length > options.cacheLength) {
            flushCache();
            cache.length++;
        } else if (!cache[q]) {
            cache.length++;
        }
        cache.data[q] = data;
    };

    function findPos(obj) {
        var curleft = obj.offsetLeft || 0;
        var curtop = obj.offsetTop || 0;
        while (obj = obj.offsetParent) {
            curleft += obj.offsetLeft
            curtop += obj.offsetTop
        }
        return { x: curleft, y: curtop };
    }
}

jQuery.fn.autocomplete = function (url, options, data) {
    // Make sure options exists
    options = options || {};
    // Set url as option
    options.url = url;
    // set some bulk local data
    options.data = ((typeof data == "object") && (data.constructor == Array)) ? data : null;

    // Set default values for required options
    options.inputClass = options.inputClass || "ac_input";
    options.resultsClass = options.resultsClass || "ac_results";
    options.lineSeparator = options.lineSeparator || "\n";
    options.cellSeparator = options.cellSeparator || "|";
    options.minChars = options.minChars || 1;
    options.delay = options.delay || 0;
    options.matchCase = options.matchCase || 0;
    options.matchSubset = options.matchSubset || 1;
    options.matchContains = options.matchContains || 0;
    options.cacheLength = options.cacheLength || 1;
    options.mustMatch = options.mustMatch || 0;
    options.extraParams = options.extraParams || {};
    options.loadingClass = options.loadingClass || "ac_loading";
    options.selectFirst = options.selectFirst || false;
    options.selectOnly = options.selectOnly || false;
    options.maxItemsToShow = options.maxItemsToShow || -1;
    options.autoFill = options.autoFill || false;
    options.width = parseInt(options.width, 10) || 0;
    options.onClickBehavior = options.onClickBehavior || 'true';

    this.each(function () {
        var input = this;
        new jQuery.autocomplete(input, options);
    });

    // Don't break the chain
    return this;
}

jQuery.fn.autocompleteArray = function (data, options) {
    return this.autocomplete(null, options, data);
}

jQuery.fn.autocompleteInit = function (data, options) {
    var xhr;

    try { xhr = new ActiveXObject('Msxml2.XMLHTTP'); }
    catch (e) {
        try { xhr = new ActiveXObject('Microsoft.XMLHTTP'); }
        catch (e2) {
            try { xhr = new XMLHttpRequest(); }
            catch (e3) { xhr = false; }
        }
    }



    xhr.onreadystatechange = function () {
        if (xhr.readyState == 4) {
            if (xhr.status == 200) {
                data = xhr.responseText;
            }
        }
    }

    xhr.open("GET", data, true);
    xhr.send(null);

}

jQuery.fn.indexOf = function (e) {
    for (var i = 0; i < this.length; i++) {
        if (this[i] == e) return i;
    }
    return -1;
};
