var init_tree = 0;
var selected;
var over;
var cp_tree1;
var cp_tree2;
function unorphanize(root, element) {
    var ok = false;
    var f = 0;
    for (var i=0; i<root.length; i++) {
        if (root[i].id == element.parentFolder) {
            element.children = new Array();
            root[i].children.push(element);
            return true;
        } else if (ok = unorphanize(root[i].children, element)) {
            break;
        }
    }
    return ok;
}

function count_unseen_children(folder){
    if(folder.children.length){
        for(var i=0; i< folder.children.length; i++){
            if(folder.children[i].children.length)
                folder.children[i]['children_unseen'] = (folder.children[i]['children_unseen'] ? folder.children[i]['children_unseen'] : 0) + count_unseen_children(folder.children[i]);

            folder['children_unseen'] = (folder['children_unseen'] ? folder['children_unseen'] : 0)+ (folder.children[i]['children_unseen'] ? folder.children[i]['children_unseen'] : 0) + parseInt(folder.children[i].messageCount.unseen);
        }
        return folder['children_unseen'];
    }else{
        return parseInt(folder.messageCount.unseen);
    }
}

function valid_tabs(children_of_this_folder, folder_to_move){
    var borders_open = $("#border_tr").children();

    var error = false;
    for(var i = 1; i <= borders_open.length -2; i ++){
        //VERIFICA A CADA FILHO DA PASTA SE ESTA eventNSAGEM E DESTA PASTA
        $.each(children_of_this_folder, function(index, value){
            if($(children_of_this_folder[index]).attr('id') == openTab.imapBox[$(borders_open[i]).find("input[type=hidden]").attr("name")]){
                error = true;
                alert(("One or more messages from any sub-folder are open"));
                return error;

            }
        });
        if(error){
            return error;
        }
        //VERIFICA SE EXISTE NA PASTA A SER MOVIDA
        if(openTab.imapBox[$(borders_open[i]).find("input[type=hidden]").attr("name")] == folder_to_move){
            error = true;
            alert(("One or more messages from this folder are open"));
            return error;
        }
    }
}

function draw_new_tree_folder(callback){

    /*
    * Verificar atualização do conceito folder após commit
    * */
    DataLayer.remove("folder", false);

    var folders = DataLayer.get("folder");//, true);

    if(!selected){
        selected = "INBOX";
    }

    var tree1 = new Array();
    var tree2 = new Array();
    var tree3 = new Array();
    for (var i=0; i<folders.length; i++) {
        if (/^INBOX/.test(folders[i].id)) {
            if (!unorphanize(tree1, folders[i])) {
                folders[i].children = new Array();
                tree1.push(folders[i]);
            }
        }
        else if (/^user/.test(folders[i].id)) {
            if (!unorphanize(tree2, folders[i])) {
                folders[i].children = new Array();
                tree2.push(folders[i]);
            }
        }
        else if (/^local_messages/.test(folders[i].id)) {
            if (!unorphanize(tree3, folders[i])) {
                folders[i].children = new Array();
                tree3.push(folders[i]);
            }
        }
    }

    for(var i =0; i<tree1.length; i++){
        count_unseen_children(tree1[i]);
    }
    for(var i =0; i<tree2.length; i++){
        count_unseen_children(tree2[i]);
    }
    for(var i =0; i<tree3.length; i++){
        count_unseen_children(tree3[i]);
    }
    cp_tree1 = tree1;
    cp_tree2 = tree2;
    var shared_acls = {};

    $.each(cp_tree2, function(index, value){
        shared_acls[value.id] = value.acl_share;
    });

    var html = DataLayer.render('templates/detailedfoldertree.ejs', {folders: [tree1, tree2, tree3]});
    var folders_html = $(".imap-folders").html(html).find(".mainfoldertree").treeview({
        persist: "cookie",
        animated: "fast"
    }).find(".folder").unbind("click").click(function(event){

            // MUDANÇA DE PASTAS!
            var target = $(this);

            if($(".folders-loading").length)
                return;

            if($(event.target).parent().is(".float-menu"))
                return;

            if( target.is('.collapsable-hitarea, .expandable-hitarea, .lastCollapsable-hitarea, .lastExpandable-hitarea, .treeview ,.folder_unseen,.ui-icon, .float-menu, .new_folder, .folders-loading, .head_folder, .shared-folders') )
                return;

            if( target.parent().find(".new_folder").length)
                return;

            if( !target.attr('id') )
                target = target.parent();
            if (target[0] == $(".mainfoldertree")[0]) return;
            var uiId = target.attr('id');
            var child = target.find('.folder');

            if(!target.is('.mainfoldertree > .expandable-hitarea, .mainfoldertree > .collapsable-hitarea')){
                $('.filetree span.folder.selected').removeClass('selected');
                $(target).children('.folder').addClass('selected');
            }
            $(this).addClass("folders-loading");
            selected = target.attr('id');

            Folder.change(target.attr('id'), child.attr('title'));

            /*$.ajax({
             url : "controller.php?"+ $.param( { action: "$this.imap_functions.get_folders_list", folder: target.attr('id') } ),
             success : function(data){
             data = connector.unserialize(data);

             if(data)
             build_quota(data);
             }
             });*/
            $(".folders-loading").removeClass("folders-loading");

        }).filter('.followup-messages').click(function(event, ui){
            search_emails("UNDELETED KEYWORD \"$Followupflagged\"");
        }).end().end();

    folders_html.find('[id="'+selected+'"]').children().addClass("selected");
    $(".folder").not(".head_folder").not(".shared-folders").parent().find(".folder").not(".head_folder,.inbox,.drafts,.sent,.spam,.trash").draggable({
        // DRAG DE PASTAS
        start : function(){
            $(this).css("color", "gray");
        },
        stop : function(){
            $(this).css("color", "");
        },
        revert: "invalid",
        helper: function(event){
            if($.trim(($(this).text().split("["))[0]).length > 18)
                return $(DataLayer.render('templates/draggin_box.ejs', {texto : (($(this).text().split("["))[0]).substring(0,18) + "...", type: "folder"}));
            return $(DataLayer.render('templates/draggin_box.ejs', {texto : (($(this).text().split("["))[0]), type: "folder"}));
        },
        delay: 150,
        refreshPositions: true,
        zIndex : 2700,
        //scroll: true,
        //scrollSensitivity: 100,
        //scrollSpeed: 100,
        containment: "#divAppbox"
    }).end().droppable({
            //DROP DE PASTAS
            over : function(a, b){
                //INICIO : SE A PASTA CONTER FILHAS EXPANDE
                over = $(this);
                $(this).addClass("folder-over");
                if(($(this)[0] != $(this).parent().find(".head_folder")[0]))
                    if($(this).prev()[0])
                        if($(this).parent().find(".expandable-hitarea")[0] == $(this).prev()[0]){
                            setTimeout(function(){
                                if(over.hasClass("folder-over"))
                                    over.prev().trigger("click");
                            }, 500);

                        }
                //FIM : SE A PASTA CONTER FILHAS EXPANDE

                //SETA BORDA EM VOLTA DA PASTA
            },
            out : function(){
                //RETIRA BORDA EM VOLTA DA PASTA
                $(this).removeClass("folder-over");
            },
            drop : function(event, ui){
                $(this).removeClass("folder-over");
                if($(this).parent().attr('id') == undefined){
                    var folder_to = 'INBOX';
                    var to_folder_title = ("Inbox");
                }else{
                    var folder_to = $(this).parent().attr('id');
                    var to_folder_title = $(this).attr('title');
                }
                var folder_to_move = ui.draggable.parent().attr('id');
                var border_id = ui.draggable.find("input[type=hidden]").attr("name");
                // eventnsagens : SE O DROP VIER DA LISTA DE eventNSAGENS :
                if(folder_to_move == "tbody_box"){
                    move_msgs2(get_current_folder(), 'selected', 0, folder_to, to_folder_title,true);
                    return refresh();
                }
                //SE FOR DE UMA PESQUISA RAPIDA
                else if(ui.draggable.parents('[id^="content_id_"]')[0]){
                    move_search_msgs("content_id_"+border_id, folder_to, to_folder_title);
                    return refresh();
                }
                // eventnsagens : SE O DROP VIER DE UMA ABA ABERTA
                else if(folder_to_move == "border_tr"){
                    var id_msg = border_id.split("_")[0];
                    folder = $("#input_folder_"+border_id+"_r")[0] ? $("#input_folder_"+border_id+"_r").val() : (openTab.imapBox[border_id] ? openTab.imapBox[border_id]:get_current_folder());
                    alternate_border(border_id);
                    move_msgs2(folder, id_msg, border_id, folder_to, to_folder_title,true);
                    return refresh();
                }
                // SE O DROP VIER DA LISTA DE PASTAS
                else{
                    var folder_to_exist = folder_to_move.split(imap_configs.imapDelimiter);
                    folder_to_exist = folder_to+imap_configs.imapDelimiter+folder_to_exist[folder_to_exist.length-1];

                    //VERIFICA SE EXISTE UMA eventNSAGENS ABERTA NESTA PASTA E NAS SUAS FILHAS

                    if(valid_tabs(ui.draggable.parent().find("li"), folder_to_move)){
                        return;
                    }
                    //FIM : VERIFICA SE EXISTE UMA eventNSAGENS ABERTA NESTA PASTA E NAS SUAS FILHAS;

                    // VALIDA SE O USUARIO ESTA TENTANDO MOVER A PASTA PARA O eventSMO LOCAL
                    if(folder_to_exist == folder_to_move){
                        return alert("Thie folder is already in this place");
                    }

                    // VALIDA SE O USUARIO ESTA TENTANDO MOVER A PASTA ABERTA NO momentO
                    if(folder_to_move == Folder.open){
                        return alert("It's not possible move this folder, because it is being used in the moment!");
                    }

                    // VALIDA SE O USUARIO ESTA TENTANDO MOVER UMA PASTA FILHA DA PASTA ABERTA NO momentO
                    if(ui.draggable.parent().find(".selected")[0]){
                        return alert(("It's not possible move this folder, because its subfolder is being used in the moment!"));
                    }

                    // VALIDA SE O USUARIO ESTA TENTANDO MOVER UMA PASTA PAI PARA DENTRO DE UMA FILHA
                    if(ui.draggable.parent().find('[id="'+folder_to+'"]')[0]){
                        return alert(("It's not possible to move this folder to its subfolders!"));
                    }

                    if($('[id="'+folder_to_exist+'"]').length){
                        return alert(("Can not move this folder to this location, because the target has already a folder with this name"));
                    }

                    $(this).addClass("folders-loading");

                    $.ajax({
                        url : "../expressoMail1_2/controller.php?"+ $.param( { action: "$this.imap_functions.move_folder", folder_to_move: folder_to_move, folder_to: folder_to } ),
                        success : function(data){
                            draw_new_tree_folder();
                            data = connector.unserialize(data);
                            if(data == "Permission denied"){
                                alert(("Permission denied"));
                            }else if(data){
                                alert(("The folder was successfully moved"));
                            }
                            else{
                                alert(("ERROR moving your folder."));
                            }
                        }
                    });
                }
            }
        });
    $(".folder").not(".shared-folders").parent().find(".folder").hover(
        function(){
            //CASO A LI NÃO TENHA UM eventNU FLUTUANTE AINDA, O eventNU É ADICIONADO!
            if(!$(this).children(":last").hasClass("float-menu") && !$(this).children(":last").hasClass("new_folder")){
                var folder_ = $(this);
                var folder_name;
                var shared = {
                    head : false,
                    valid : false
                };
                if(folder_.parent().attr('id')){
                    folder_name = folder_.parent().attr('id').split(imap_configs.imapDelimiter);
                    folder_name = folder_name[folder_name.length -1];
                    shared.valid = folder_.parent().attr('id').search("user/") == 0 ? true : false;
                }else
                    folder_name = "Root";

                if(shared.valid){
                    shared.head = folder_.parent().attr('id').split(imap_configs.imapDelimiter).length == 2 ?  true : false;
                    var folder_name_parts = folder_.parent().attr('id').split(imap_configs.imapDelimiter);
                    var acls = shared_acls[folder_name_parts[0]+imap_configs.imapDelimiter+folder_name_parts[1]];

                }

                html = DataLayer.render("/templates/float_folder_menu.ejs", {name_folder : folder_name, flag : shared, acl : acls});
                //FUNÇÃO DO eventNU FLUTUANTE EDITAR < BEGIN
                var esc = false;
                $(folder_).append(html).find(".float-menu-edit").click(function(){
                    var folder_id = $(this).parents(".closed:first").attr('id');
                    var name = $.trim($(this).parents(".closed:first").find("span:first").text().split("[")[0]);
                    if($(this).parents(".closed:first").find("span:first").hasClass("selected"))
                        return alert(("It's not possible rename this folder, because it is being used in the moment!"));
                    if($(this).parents(".closed:first").find(".selected").length)
                        return alert(("It's not possible rename this folder, because its subfolder is being used in the moment!"));
                    if(valid_tabs($(this).parents("li:first").find("li"), folder_id))
                        return;
                    $(this).parents(".closed:first").find("span:first").empty().append("<input class='new_folder folder' type='text' maxlength='100'></input>");
                    $(".new_folder").focus().keydown(function(event){
                        event.stopPropagation();
                        if(event.keyCode == 13){
                            if($(this).val() != ""){
                                if($(this).val().match(/[\/\`\~\^\<\>\|\\\"\!\@\#\$\%\&\*\+\(\)\[\]\{\}\?;:]/gi)){
                                    return alert(("cannot create folder. try other folder name"));
                                }
                                var new_name = folder_id.replace(/[a-zA-Z0-9á-úÁ-Ú^\s_-]+$/, $(this).val());
                                if($('[id="'+new_name+'"]').length){
                                    $(".folders-loading").removeClass("folders-loading");
                                    alert(("Mailbox already exists"));
                                    return draw_new_tree_folder();
                                }
                                $(".new_folder").parent().addClass("folders-loading");
                                Folder.rename(folder_id,new_name, function(){
                                    draw_new_tree_folder();
                                });
                            }
                        }else if( event.keyCode == 27){
                            draw_new_tree_folder();
                        }
                    }).focusout(function(){
                            draw_new_tree_folder();
                        }).val(name);
                })
                    //FUNÇÃO DO eventNU FLUTUANTE EDITAR < END
                    //FUNÇÃO DO eventNU FLUTUANTE EXCLUIR < BEGIN
                    .end().find(".float-menu-remove").click(function(){
                        var folder_id = $(this).parents(".closed:first").attr('id');
                        var folder_name = "<strong>"+$.trim($(this).parents(".closed:first").find(".folder").text().split("[")[0])+"</strong>";

                        if(valid_tabs($(this).parents("li:first").find("li"), folder_id))
                            return;
                        $(this).parents(".closed:first").find(".folder").addClass("folders-loading");

                        if($(this).parents(".closed:first").find("ul").length){
                            $(this).parents(".closed:first").find(".folder").removeClass("folders-loading");
                            return alert("Delete/move subfolders first");
                        }
                        if($(this).parents(".closed:first").find(".selected").length){
                            $(this).parents(".closed:first").find(".folder").removeClass("folders-loading");
                            return alert("It's not possible delete this folder, because it is being used in the moment!");
                        }
                        var folder_span = $(this);
                        confirm("Do you wish to exclude the folder "+folder_name,function(confirm){
                            if(confirm){
                                Folder.remove(folder_id, function(){
                                    draw_new_tree_folder();
                                });
                            }else{
                                folder_span.parents(".closed:first").find(".folder").removeClass("folders-loading");
                                return;
                            }
                        });

                        /* if(!confirm(confirm_text + folder_name)){
                         $(this).parents(".closed:first").find(".folder").removeClass("folders-loading");
                         return;
                         } */
                    })
                    //FUNÇÃO DO eventNU FLUTUANTE EXCLUIR < END
                    //FUNÇÃO DO eventNU FLUTUANTE NOVA PASTA < BEGIN
                    .end().find(".float-menu-new").click(function(){
                        $(this).parents(".float-menu").hide();
                        var selected_li = $(this).parents(".closed:first");
                        if(selected_li.find("ul:first").length){
                            var new_folder = $("<li><input class='new_folder folder' type='text' maxlength='100'></input></li>").appendTo(selected_li.find("ul:first"));
                            if(selected_li.find(".expandable-hitarea").length){
                                selected_li.find(".expandable-hitarea").trigger('click');
                            }
                            selected_li.find("ul:first").treeview({
                                add: new_folder
                            });
                        }else if(selected_li.length){
                            var new_folder = $("<ul><li><input class='new_folder folder' type='text' maxlength='100'></input></li></ul>").appendTo(selected_li);
                            selected_li.treeview({
                                add: new_folder
                            });
                        }else{
                            selected_li = $(this).parents(".head_folder").parent();
                            if($(this).parents(".head_folder").parent().find(".expandable-hitarea").length){
                                $(this).parents(".head_folder").parent().find(".expandable-hitarea").trigger('click');
                            }
                            var new_folder = $("<ul><li><input class='new_folder folder' type='text' maxlength='100'></input></li></ul>").appendTo(selected_li);
                            selected_li.treeview({
                                add: new_folder
                            });
                        }

                        selected_li.find(".new_folder").Watermark("Nova Pasta").focus().keydown(function(event){
                            event.stopPropagation();
                            if(event.keyCode == 13){
                                if($(this).val().match(/[\`\~\^\<\>\|\\\"\!\@\#\$\%\&\*\+\(\)\[\]\{\}\?;:]/gi)){
                                    return alert(("cannot create folder. try other folder name"));
                                }
                                if($('[id="'+ (selected_li.attr('id')? selected_li.attr('id') : "INBOX") + imap_configs.imapDelimiter + $(this).val()+'"]').length){
                                    $(".folders-loading").removeClass("folders-loading");
                                    alert(("Mailbox already exists"));
                                    return draw_new_tree_folder();
                                }
                                $(".new_folder").parent().addClass("folders-loading");
                                Folder.create($(this).val(), selected_li.attr('id'), function(){
                                    draw_new_tree_folder();
                                });
                            }else if( event.keyCode == 27){
                                draw_new_tree_folder();
                            }
                        }).focusout(function(){
                                draw_new_tree_folder();
                            });
                    }).end().find(".float-menu-export").click(function(){
                        //proxy_mensagens.export_all_messages($(this).parents("li:first").attr("id"))

                        var name_box = $(this).parents("li:first").attr("id");
                        var name_folder = name_box.split(imap_configs.imapDelimiter)[name_box.split(imap_configs.imapDelimiter).length-1];

                        var hand_export = function(data){
                            if(!data){
                                alert(('Error compressing messages (ZIP). Contact the administrator.'))
                            }else if(data["empty_folder"]){
                                alert(("The selected folder is empty."));
                            }else
                                download_attachments(null, null, data, null,null, name_folder +'.zip');
                        }
                        cExecute("$this.exporteml.export_all",hand_export,"folder="+name_box);
                        alert(('You must wait while the messages will be exported...'));
                    });
                //FUNÇÃO DO eventNU FLUTUANTE NOVA PASTA < END
            }
            if(!$(".new_folder").length){
                $(this).find(".float-menu:first").css("display", "");
            }
        },
        function(){
            $(this).find(".float-menu:first").hide();
        }
    );
}