var p4 = p4 || {};

var workzoneModule = (function (p4) {
    function refreshBaskets(baskId, sort, scrolltobottom, type) {
        type = typeof type === 'undefined' ? 'basket' : type;

        var active = $('#baskets .SSTT.ui-state-active');
        if (baskId === 'current' && active.length > 0) {
            baskId = active.attr('id').split('_').slice(1, 2).pop();
        }
        sort = ($.inArray(sort, ['date', 'name']) >= 0) ? sort : '';

        scrolltobottom = typeof scrolltobottom === 'undefined' ? false : scrolltobottom;

        $.ajax({
            type: "GET",
            url: "../prod/WorkZone/",
            data: {
                id: baskId,
                sort: sort,
                type: type
            },
            beforeSend: function () {
                $('#basketcontextwrap').remove();
            },
            success: function (data) {
                var cache = $("#idFrameC #baskets");

                if ($(".SSTT", cache).data("ui-droppable")) {
                    $(".SSTT", cache).droppable('destroy');
                }
                if ($(".bloc", cache).data("ui-droppable")) {
                    $('.bloc', cache).droppable('destroy');
                }
                if (cache.data("ui-accordion")) {
                    cache.accordion('destroy').empty().append(data);
                }

                activeBaskets();
                $('.basketTips').tooltip({
                    delay: 200
                });
                cache.disableSelection();

                if (!scrolltobottom) {
                    return;
                }

                p4.next_bask_scroll = true;
                return;
            }
        });
    }

    function setTemporaryPref(name, value) {
        $.ajax({
            type: "POST",
            url: "/user/preferences/temporary/",
            data: {
                prop: name,
                value: value
            },
            success: function (data) {
                return;
            }
        });
    }

    $("#baskets div.content select[name=valid_ord]").on('change', function () {
        var active = $('#baskets .SSTT.ui-state-active');
        if (active.length === 0) {
            return;
        }

        var order = $(this).val();

        getContent(active, order);
    });

    function WorkZoneElementRemover(el, confirm) {
        var context = el.data('context');

        if (confirm !== true && $(el).hasClass('groupings') && p4.reg_delete) {
            var buttons = {};

            buttons[language.valider] = function () {
                $("#DIALOG-baskets").dialog('close').remove();
                WorkZoneElementRemover(el, true);
            };

            buttons[language.annuler] = function () {
                $("#DIALOG-baskets").dialog('close').remove();
            };

            var texte = '<p>' + language.confirmRemoveReg + '</p><div><input type="checkbox" onchange="toggleRemoveReg(this);"/>' + language.hideMessage + '</div>';
            $('body').append('<div id="DIALOG-baskets"></div>');
            $("#DIALOG-baskets").attr('title', language.removeTitle)
                .empty()
                .append(texte)
                .dialog({
                    autoOpen: false,
                    closeOnEscape: true,
                    resizable: false,
                    draggable: false,
                    modal: true,
                    buttons: buttons,
                    overlay: {
                        backgroundColor: '#000',
                        opacity: 0.7
                    }
                }).dialog('open');
            return;
        }

        var id = $(el).attr('id').split('_').slice(2, 4).join('_');

        $.ajax({
            type: "POST",
            url: $(el).attr('href'),
            dataType: 'json',
            beforeSend: function () {
                $('.wrapCHIM_' + id).find('.CHIM').fadeOut();
            },
            success: function (data) {
                if (data.success) {
                    humane.info(data.message);
                    p4.WorkZone.Selection.remove(id);

                    if ($('.wrapCHIM_' + id).find('.CHIM').data("ui-draggable")) {
                        $('.wrapCHIM_' + id).find('.CHIM').draggable('destroy');
                    }

                    $('.wrapCHIM_' + id).remove();

                    if (context === "reg_train_basket") {
                        var carousel = $("#PREVIEWCURRENTCONT");
                        var carouselItemLength = $('li', carousel).length;
                        var selectedItem = $("li.prevTrainCurrent.selected", carousel);
                        var selectedItemIndex = $('li', carousel).index(selectedItem);

                        // item is first and list has at least 2 items
                        if (selectedItemIndex === 0 && carouselItemLength > 1) {
                            // click next item
                            selectedItem.next().find("img").trigger("click");
                            // item is last item and list has at least 2 items
                        } else if (carouselItemLength > 1 && selectedItemIndex === (carouselItemLength - 1)) {
                            // click previous item
                            selectedItem.prev().find("img").trigger("click");
                            // Basket is empty
                        } else if (carouselItemLength > 1) {
                            // click next item
                            selectedItem.next().find("img").trigger("click");
                        } else {
                            closePreview();
                        }

                        selectedItem.remove();
                    } else {
                        return p4.WorkZone.reloadCurrent();
                    }
                } else {
                    humane.error(data.message);
                    $('.wrapCHIM_' + id).find('.CHIM').fadeIn();
                }
                return;
            }
        });
        return false;
    }


    function activeBaskets() {
        var cache = $("#idFrameC #baskets");

        cache.accordion({
            active: 'active',
            heightStyle: "content",
            collapsible: true,
            header: 'div.header',
            activate: function (event, ui) {
                var b_active = $('#baskets .SSTT.active');
                if (p4.next_bask_scroll) {
                    p4.next_bask_scroll = false;

                    if (!b_active.next().is(':visible'))
                        return;

                    var t = $('#baskets .SSTT.active').position().top + b_active.next().height() - 200;

                    t = t < 0 ? 0 : t;

                    $('#baskets .bloc').stop().animate({
                        scrollTop: t
                    });
                }

                var uiactive = $(this).find('.ui-state-active');
                b_active.not('.ui-state-active').removeClass('active');

                if (uiactive.length === 0) {
                    return;
                    /* everything is closed */
                }

                uiactive.addClass('ui-state-focus active');

                p4.WorkZone.Selection.empty();

                getContent(uiactive);

            },
            beforeActivate: function (event, ui) {
                ui.newHeader.addClass('active');
                $('#basketcontextwrap .basketcontextmenu').hide();
            }
        });

        $('.bloc', cache).droppable({
            accept: function (elem) {
                if ($(elem).hasClass('grouping') && !$(elem).hasClass('SSTT'))
                    return true;
                return false;
            },
            scope: 'objects',
            hoverClass: 'groupDrop',
            tolerance: 'pointer',
            drop: function () {
                fix();
            }
        });

        if ($('.SSTT.active', cache).length > 0) {
            var el = $('.SSTT.active', cache)[0];
            $(el).trigger('click');
        }

        $(".SSTT, .content", cache)
            .droppable({
                scope: 'objects',
                hoverClass: 'baskDrop',
                tolerance: 'pointer',
                accept: function (elem) {
                    if ($(elem).hasClass('CHIM')) {
                        if ($(elem).closest('.content').prev()[0] === $(this)[0]) {
                            return false;
                        }
                    }
                    if ($(elem).hasClass('grouping') || $(elem).parent()[0] === $(this)[0])
                        return false;
                    return true;
                },
                drop: function (event, ui) {
                    dropOnBask(event, ui.draggable, $(this));
                }
            });

        if ($('#basketcontextwrap').length === 0)
            $('body').append('<div id="basketcontextwrap"></div>');

        $('.context-menu-item', cache).hover(function () {
            $(this).addClass('context-menu-item-hover');
        }, function () {
            $(this).removeClass('context-menu-item-hover');
        });
        $.each($(".SSTT", cache), function () {
            var el = $(this);
            $(this).find('.contextMenuTrigger').contextMenu('#' + $(this).attr('id') + ' .contextMenu', {
                'appendTo': '#basketcontextwrap',
                openEvt: 'click',
                theme: 'vista',
                dropDown: true,
                showTransition: 'slideDown',
                hideTransition: 'hide',
                shadow: false
            });
        });

    }

    function getContent(header, order) {
        if (window.console) {
            console.log('Reload content for ', header);
        }

        var url = $('a', header).attr('href');

        if (typeof order !== 'undefined') {
            url += '?order=' + order;
        }

        $.ajax({
            type: "GET",
            url: url,
            dataType: 'html',
            beforeSend: function () {
                $('#tooltip').hide();
                header.next().addClass('loading');
            },
            success: function (data) {
                header.removeClass('unread');

                var dest = header.next();
                if (dest.data("ui-droppable")) {
                    dest.droppable('destroy')
                }
                dest.empty().removeClass('loading');

                dest.append(data);

                $('a.WorkZoneElementRemover', dest).bind('mousedown',function (event) {
                    return false;
                }).bind('click', function (event) {
                    return WorkZoneElementRemover($(this), false);
                });

                dest.droppable({
                    accept: function (elem) {
                        if ($(elem).hasClass('CHIM')) {
                            if ($(elem).closest('.content')[0] === $(this)[0]) {
                                return false;
                            }
                        }
                        if ($(elem).hasClass('grouping') || $(elem).parent()[0] === $(this)[0])
                            return false;
                        return true;
                    },
                    hoverClass: 'baskDrop',
                    scope: 'objects',
                    drop: function (event, ui) {
                        dropOnBask(event, ui.draggable, $(this).prev());
                    },
                    tolerance: 'pointer'
                });

                $('.noteTips, .captionRolloverTips', dest).tooltip();

                dest.find('.CHIM').draggable({
                    helper: function () {
                        $('body').append('<div id="dragDropCursor" ' +
                            'style="position:absolute;z-index:9999;background:red;' +
                            '-moz-border-radius:8px;-webkit-border-radius:8px;">' +
                            '<div style="padding:2px 5px;font-weight:bold;">' +
                            p4.WorkZone.Selection.length() + '</div></div>');
                        return $('#dragDropCursor');
                    },
                    scope: "objects",
                    distance: 20,
                    scroll: false,
                    refreshPositions: true,
                    cursorAt: {
                        top: 10,
                        left: -20
                    },
                    start: function (event, ui) {
                        var baskets = $('#baskets');
                        baskets.append('<div class="top-scroller"></div>' +
                            '<div class="bottom-scroller"></div>');
                        $('.bottom-scroller', baskets).bind('mousemove', function () {
                            $('#baskets .bloc').scrollTop($('#baskets .bloc').scrollTop() + 30);
                        });
                        $('.top-scroller', baskets).bind('mousemove', function () {
                            $('#baskets .bloc').scrollTop($('#baskets .bloc').scrollTop() - 30);
                        });
                    },
                    stop: function () {
                        $('#baskets').find('.top-scroller, .bottom-scroller')
                            .unbind()
                            .remove();
                    },
                    drag: function (event, ui) {
                        if (is_ctrl_key(event) || $(this).closest('.content').hasClass('grouping'))
                            $('#dragDropCursor div').empty().append('+ ' + p4.WorkZone.Selection.length());
                        else
                            $('#dragDropCursor div').empty().append(p4.WorkZone.Selection.length());

                    }
                });
                answerSizer();
                return;
            }
        });
    }

    function dropOnBask(event, from, destKey, singleSelection) {
        var action = "", from = $(from), dest_uri = '', lstbr = [], sselcont = [], act = "ADD";

        if (from.hasClass("CHIM")) {
            /* Element(s) come from an open object in the workzone */
            action = $(' #baskets .ui-state-active').hasClass('grouping') ? 'REG2' : 'CHU2';
        } else {
            /* Element(s) come from result */
            action = 'IMGT2';
        }

        action += destKey.hasClass('grouping') ? 'REG' : 'CHU';

        if (destKey.hasClass('content')) {
            /* I dropped on content */
            dest_uri = $('a', destKey.prev()).attr('href');
        } else {
            /* I dropped on Title */
            dest_uri = $('a', destKey).attr('href');
        }

        if (window.console) {
            window.console.log('Requested action is ', action, ' and act on ', dest_uri);
        }

        if (action === "IMGT2CHU" || action === "IMGT2REG") {
            if ($(from).hasClass('.baskAdder')) {
                lstbr = [$(from).attr('id').split('_').slice(2, 4).join('_')];
            } else if (singleSelection) {
                if (from.length === 1) {
                    lstbr = [$(from).attr('id').split('_').slice(1, 3).join('_')];
                } else {
                    lstbr = [$(from).selector.split('_').slice(1, 3).join('_')];
                }
            } else {
                lstbr = p4.Results.Selection.get();
            }
        } else {
            sselcont = $.map(p4.WorkZone.Selection.get(), function (n, i) {
                return $('.CHIM_' + n, $('#baskets .content:visible')).attr('id').split('_').slice(1, 2).pop();
            });
            lstbr = p4.WorkZone.Selection.get();
        }

        switch (action) {
            case "CHU2CHU" :
                if (!is_ctrl_key(event)) act = "MOV";
                break;
            case "IMGT2REG":
            case "CHU2REG" :
            case "REG2REG":
                var sameSbas = true, sbas_reg = destKey.attr('sbas');

                for (var i = 0; i < lstbr.length && sameSbas; i++) {
                    if (lstbr[i].split('_').shift() !== sbas_reg) {
                        sameSbas = false;
                        break;
                    }
                }

                if (sameSbas === false) {
                    return p4.Alerts('', language.reg_wrong_sbas);
                }

                break;
        }

        switch (act + action) {
            case 'MOVCHU2CHU':
                var url = dest_uri + "stealElements/";
                var data = {
                    elements: sselcont
                };
                break;
            case 'ADDCHU2REG':
            case 'ADDREG2REG':
            case 'ADDIMGT2REG':
            case 'ADDCHU2CHU':
            case 'ADDREG2CHU':
            case 'ADDIMGT2CHU':
                var url = dest_uri + "addElements/";
                var data = {
                    lst: lstbr.join(';')
                };
                break;
            default:
                if (window.console) {
                    console.log('Should not happen');
                }
                return;
                break;
        }

        if (window.console) {
            window.console.log('About to execute ajax POST on ', url, ' with datas ', data);
        }

        $.ajax({
            type: "POST",
            url: url,
            data: data,
            dataType: 'json',
            beforeSend: function () {

            },
            success: function (data) {
                if (!data.success) {
                    humane.error(data.message);
                } else {
                    humane.info(data.message);
                }
                if (act === 'MOV' || $(destKey).next().is(':visible') === true || $(destKey).hasClass('content') === true) {
                    $('.CHIM.selected:visible').fadeOut();
                    p4.WorkZone.Selection.empty();
                    return p4.WorkZone.reloadCurrent();
                }

                return;
            }
        });
    }

    function fix() {
        $.ajax({
            type: "POST",
            url: "../prod/WorkZone/attachStories/",
            data: {stories: p4.Results.Selection.get()},
            dataType: "json",
            success: function (data) {
                humane.info(data.message);
                p4.WorkZone.refresh();
            }
        });
    }

    function unfix(link) {
        $.ajax({
            type: "POST",
            url: link,
            dataType: "json",
            success: function (data) {
                humane.info(data.message);
                p4.WorkZone.refresh();
            }
        });
    }

    $(document).ready(function () {
        activeBaskets();

        $('a.story_unfix').on('click', function () {
            unfix($(this).attr('href'));

            return false;
        });

        p4.WorkZone = {
            'Selection': new Selectable($('#baskets'), {selector: '.CHIM'}),
            'refresh': refreshBaskets,
            'addElementToBasket': function (sbas_id, record_id, event, singleSelection) {
                singleSelection = !!singleSelection || false;

                if ($('#baskets .SSTT.active').length === 1) {
                    return dropOnBask(event, $('#IMGT_' + sbas_id + '_' + record_id), $('#baskets .SSTT.active'), singleSelection);
                } else {
                    humane.info(language.noActiveBasket);
                }
            },
            "removeElementFromBasket": WorkZoneElementRemover,
            'reloadCurrent': function () {
                var sstt = $('#baskets .content:visible');
                if (sstt.length === 0)
                    return;
                getContent(sstt.prev());
            },
            'close': function () {
                var frame = $('#idFrameC'), that = this;

                if (!frame.hasClass('closed')) {
                    // hide tabs content
                    $('#idFrameC .tabs > .ui-tabs-panel').hide();

                    frame.data('openwidth', frame.width());
                    frame.animate({width: 100},
                        300,
                        'linear',
                        function () {
                            answerSizer();
                            linearize();
                            $('#answers').trigger('resize');
                        });
                    frame.addClass('closed');
                    $('.escamote', frame).hide();
                    frame.unbind('click.escamote').bind('click.escamote', function () {
                        that.open();
                    });
                }
            },
            'open': function () {
                var frame = $('#idFrameC');

                if (frame.hasClass('closed')) {
                    var width = frame.data('openwidth') ? frame.data('openwidth') : 300;
                    frame.css({width: width});
                    answerSizer();
                    linearize();
                    frame.removeClass('closed');
                    $('.escamote', frame).show();
                    frame.unbind('click.escamote');
                    // show tabs content
                    var activeTabIdx = $('#idFrameC .tabs').tabs("option", "active");
                    $('#idFrameC .tabs > div:eq(' + activeTabIdx + ')').show();
                }
            }
        };
    });

    return;
}(p4));