/*

 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

var noResult = {l: "No results found"};

var category = "category";

var catPackages = "Packages";

var catTypes = "Types";

var catMembers = "Members";

var catSearchTags = "SearchTags";

function getName(name) {

    var anchor = "";

    var ch = '';

    for (i = 0; i < name.length; i++) {

        ch = name.charAt(i);

        switch (ch) {

            case '(':

            case ')':

            case '<':

            case '>':

            case ',':

                anchor += "-";

                break;

            case ' ':

            case '[':

                break;

            case ']':

                anchor += ":A";

                break;

            case '$':

                if (i == 0)

                    anchor += "Z:Z";

                anchor += ":D";

                break;

            case '_':

                if (i == 0)

                    anchor += "Z:Z";

                anchor += ch;

                break;

            default:

                anchor += ch;

        }

    }

    return anchor;

}

var watermark = 'Search';

$(function() {

    $("#search").prop("disabled", false);

    $("#reset").prop("disabled", false);

    $("#search").val(watermark).addClass('watermark');

    $("#search").blur(function(){

        if ($(this).val().length == 0) {

            $(this).val(watermark).addClass('watermark');

        }

    });

    $("#search").keydown(function(){

       if ($(this).val() == watermark) {

            $(this).val('').removeClass('watermark');

        }

    });

    $("#reset").click(function(){

       $("#search").val('');

       $("#search").focus();

    });

    $("#search").focus();

    $("#search")[0].setSelectionRange(0,0);

});

$.widget("custom.catcomplete", $.ui.autocomplete, {

    _create: function() {

        this._super();

        this.widget().menu("option", "items", "> :not(.ui-autocomplete-category)");

    },

    _renderMenu: function(ul, items) {

        var rMenu = this,

                currentCategory = "";

        $.each(items, function(index, item) {

            var li;

            if (item.l !== noResult.l && item.category !== currentCategory) {

                ul.append("<li class=\"ui-autocomplete-category\">" + item.category + "</li>");

                currentCategory = item.category;

            }

            li = rMenu._renderItemData(ul, item);

            if (item.category) {

                li.attr("aria-label", item.category + " : " + item.l);

                li.attr("class", "resultItem");

            } else {

                li.attr("aria-label", item.l);

                li.attr("class", "resultItem");

            }

        });

    },

    _renderItem: function(ul, item) {

        var result = this.element.val();

        var regexp = new RegExp($.ui.autocomplete.escapeRegex(result), "i");

        highlight = "<span class=\"resultHighlight\">$&</span>";

        var label = "";

        if (item.category === catPackages) {

            label = item.l.replace(regexp, highlight);

        } else if (item.category === catTypes) {

            label += (item.p + "." + item.l).replace(regexp, highlight);

        } else if (item.category === catMembers) {

            label += item.p + "." + (item.c + "." + item.l).replace(regexp, highlight);

        } else if (item.category === catSearchTags) {

            label = item.l.replace(regexp, highlight);

        } else {

            label = item.l;

        }

        $li = $("<li/>").appendTo(ul);

        if (item.category === catSearchTags) {

            if (item.d) {

                $("<a/>").attr("href", "#")

                        .html(label + "<span class=\"searchTagHolderResult\"> (" + item.h + ")</span><br><span class=\"searchTagDescResult\">"

                                + item.d + "</span><br>")

                        .appendTo($li);

            } else {

                $("<a/>").attr("href", "#")

                        .html(label + "<span class=\"searchTagHolderResult\"> (" + item.h + ")</span>")

                        .appendTo($li);

            }

        } else {

            $("<a/>").attr("href", "#")

                    .html(label)

                    .appendTo($li);

        }

        return $li;

    }

});

$(function() {

    $("#search").catcomplete({

        minLength: 1,

        delay: 100,

        source: function(request, response) {

            var result = new Array();

            var tresult = new Array();

            var mresult = new Array();

            var tgresult = new Array();

            var displayCount = 0;

            var exactMatcher = new RegExp("^" + $.ui.autocomplete.escapeRegex(request.term) + "$", "i");

            var secondaryMatcher = new RegExp($.ui.autocomplete.escapeRegex(request.term), "i");

            if (packageSearchIndex) {

                var pCount = 0;

                $.each(packageSearchIndex, function(index, item) {

                    item[category] = catPackages;

                    if (exactMatcher.test(item.l)) {

                        result.unshift(item);

                        pCount++;

                    } else if (secondaryMatcher.test(item.l)) {

                        result.push(item);

                    }

                });

                displayCount = pCount;

            }

            if (typeSearchIndex) {

                var tCount = 0;

                $.each(typeSearchIndex, function(index, item) {

                    item[category] = catTypes;

                    if (exactMatcher.test(item.l)) {

                        tresult.unshift(item);

                        tCount++;

                    } else if (secondaryMatcher.test(item.p + "." + item.l)) {

                        tresult.push(item);

                    }

                });

                result = result.concat(tresult);

                displayCount = (tCount > displayCount) ? tCount : displayCount;

            }

            if (memberSearchIndex) {

                var mCount = 0;

                $.each(memberSearchIndex, function(index, item) {

                    item[category] = catMembers;

                    if (exactMatcher.test(item.l)) {

                        mresult.unshift(item);

                        mCount++;

                    } else if (secondaryMatcher.test(item.c + "." + item.l)) {

                        mresult.push(item);

                    }

                });

                result = result.concat(mresult);

                displayCount = (mCount > displayCount) ? mCount : displayCount;

            }

            if (tagSearchIndex) {

                var tgCount = 0;

                $.each(tagSearchIndex, function(index, item) {

                    item[category] = catSearchTags;

                    if (exactMatcher.test(item.l)) {

                        tgresult.unshift(item);

                        tgCount++;

                    } else if (secondaryMatcher.test(item.l)) {

                        tgresult.push(item);

                    }

                });

                result = result.concat(tgresult);

                displayCount = (tgCount > displayCount) ? tgCount : displayCount;

            }

            displayCount = (displayCount > 500) ? displayCount : 500;

            var counter = function() {

                var count = {Packages: 0, Types: 0, Members: 0, SearchTags: 0};

                var f = function(item) {

                    count[item.category] += 1;

                    return (count[item.category] <= displayCount);

                };

                return f;

            }();

            response(result.filter(counter));

        },

        response: function(event, ui) {

            if (!ui.content.length) {

                ui.content.push(noResult);

            } else {

                $("#search").empty();

            }

        },

        autoFocus: true,

        position: {

            collision: "flip"

        },

        select: function(event, ui) {

            if (ui.item.l !== noResult.l) {

                var url = "";

                if (ui.item.category === catPackages) {

                    url = ui.item.l.replace(/\./g, '/') + "/package-summary.html";

                } else if (ui.item.category === catTypes) {

                    if (ui.item.p === "<Unnamed>") {

                        url = "/" + ui.item.l + ".html";

                    } else {

                        url = ui.item.p.replace(/\./g, '/') + "/" + ui.item.l + ".html";

                    }

                } else if (ui.item.category === catMembers) {

                    if (ui.item.p === "<Unnamed>") {

                        url = "/" + ui.item.c + ".html" + "#";

                    } else {

                        url = ui.item.p.replace(/\./g, '/') + "/" + ui.item.c + ".html" + "#";

                    }

                    if (ui.item.url) {

                        url += ui.item.url;

                    } else {

                        url += getName(ui.item.l);

                    }

                } else if (ui.item.category === catSearchTags) {

                    url += ui.item.u;

                }

                if (top !== window) {

                    parent.classFrame.location = pathtoroot + url;

                } else {

                    window.location.href = pathtoroot + url;

                }

            }

        }

    });

});