/*

 * Copyright (c) 2015, 2018, 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 catModules = "Modules";

var catPackages = "Packages";

var catTypes = "Types";

var catMembers = "Members";

var catSearchTags = "SearchTags";

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

var camelCaseRegexp = "";

var secondaryMatcher = "";

function escapeHtml(str) {

    return str.replace(/</g, "&lt;").replace(/>/g, "&gt;");

}

function getHighlightedText(item) {

    var ccMatcher = new RegExp(escapeHtml(camelCaseRegexp));

    var escapedItem = escapeHtml(item);

    var label = escapedItem.replace(ccMatcher, highlight);

    if (label === escapedItem) {

        var secMatcher = new RegExp(escapeHtml(secondaryMatcher.source), "i");

        label = escapedItem.replace(secMatcher, highlight);

    }

    return label;

}

function getURLPrefix(ui) {

    var urlPrefix="";

    if (useModuleDirectories) {

        var slash = "/";

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

            return ui.item.l + slash;

        } else if (ui.item.category === catPackages && ui.item.m) {

            return ui.item.m + slash;

        } else if ((ui.item.category === catTypes && ui.item.p) || ui.item.category === catMembers) {

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

                    urlPrefix = item.m + slash;

                }

            });

            return urlPrefix;

        } else {

            return urlPrefix;

        }

    }

    return urlPrefix;

}

var watermark = 'Search';

$(function() {

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

    $("#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").on('click 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 = "";

        rMenu.menu.bindings = $();

        $.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 label = "";

        if (item.category === catModules) {

            label = getHighlightedText(item.l);

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

            label = (item.m)

                    ? getHighlightedText(item.m + "/" + item.l)

                    : getHighlightedText(item.l);

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

            label = (item.p)

                    ? getHighlightedText(item.p + "." + item.l)

                    : getHighlightedText(item.l);

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

            label = getHighlightedText(item.p + "." + (item.c + "." + item.l));

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

            label = getHighlightedText(item.l);

        } else {

            label = item.l;

        }

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

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

        if (item.category === catSearchTags) {

            if (item.d) {

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

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

            } else {

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

            }

        } else {

            div.html(label);

        }

        return li;

    }

});

$(function() {

    $("#search").catcomplete({

        minLength: 1,

        delay: 300,

        source: function(request, response) {

            var result = new Array();

            var presult = new Array();

            var tresult = new Array();

            var mresult = new Array();

            var tgresult = new Array();

            var secondaryresult = new Array();

            var displayCount = 0;

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

            camelCaseRegexp = ($.ui.autocomplete.escapeRegex(request.term)).split(/(?=[A-Z])/).join("([a-z0-9_$]*?)");

            var camelCaseMatcher = new RegExp("^" + camelCaseRegexp);

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

            // Return the nested innermost name from the specified object

            function nestedName(e) {

                return e.l.substring(e.l.lastIndexOf(".") + 1);

            }

            function concatResults(a1, a2) {

                a1 = a1.concat(a2);

                a2.length = 0;

                return a1;

            }

            if (moduleSearchIndex) {

                var mdleCount = 0;

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

                    item.category = catModules;

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

                        result.push(item);

                        mdleCount++;

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

                        result.push(item);

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

                        secondaryresult.push(item);

                    }

                });

                displayCount = mdleCount;

                result = concatResults(result, secondaryresult);

            }

            if (packageSearchIndex) {

                var pCount = 0;

                var pkg = "";

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

                    item.category = catPackages;

                    pkg = (item.m)

                            ? (item.m + "/" + item.l)

                            : item.l;

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

                        presult.push(item);

                        pCount++;

                    } else if (camelCaseMatcher.test(pkg)) {

                        presult.push(item);

                    } else if (secondaryMatcher.test(pkg)) {

                        secondaryresult.push(item);

                    }

                });

                result = result.concat(concatResults(presult, secondaryresult));

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

            }

            if (typeSearchIndex) {

                var tCount = 0;

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

                    item.category = catTypes;

                    var s = nestedName(item);

                    if (exactMatcher.test(s)) {

                        tresult.push(item);

                        tCount++;

                    } else if (camelCaseMatcher.test(s)) {

                        tresult.push(item);

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

                        secondaryresult.push(item);

                    }

                });

                result = result.concat(concatResults(tresult, secondaryresult));

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

            }

            if (memberSearchIndex) {

                var mCount = 0;

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

                    item.category = catMembers;

                    var s = nestedName(item);

                    if (exactMatcher.test(s)) {

                        mresult.push(item);

                        mCount++;

                    } else if (camelCaseMatcher.test(s)) {

                        mresult.push(item);

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

                        secondaryresult.push(item);

                    }

                });

                result = result.concat(concatResults(mresult, secondaryresult));

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

            }

            if (tagSearchIndex) {

                var tgCount = 0;

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

                    item.category = catSearchTags;

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

                        tgresult.push(item);

                        tgCount++;

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

                        secondaryresult.push(item);

                    }

                });

                result = result.concat(concatResults(tgresult, secondaryresult));

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

            }

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

            var counter = function() {

                var count = {Modules: 0, 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 = getURLPrefix(ui);

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

                    if (useModuleDirectories) {

                        url += "module-summary.html";

                    } else {

                        url = ui.item.l + "-summary.html";

                    }

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

                    if (ui.item.url) {

                        url = ui.item.url;

                    } else {

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

                    }

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

                    if (ui.item.url) {

                        url = ui.item.url;

                    } else 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 += 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;

                }

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

            }

        }

    });

});