var example = null;
var pers = null;
var version = "";
let layer;
var remarkShowLength = 50;//默认现实的字符串长度
layui.use(['laydate','form','layer'], function () {
    layer = layui.layer;
    var laydate = layui.laydate;
    pers = checkPermission();

    var today = getNowTime(); // 假设你的 getNowTime() 返回 'yyyy-MM-dd' 格式
    $('#test6').val(today + ' - ' + today);
    laydate.render({
        elem: '#test6',
        range: true,
        min: $('#hidMinListDate').val(),
        max: $('#hidMaxListDate').val()
    });

    init();

    $("#searchBt").click(function () {
        var dateRange = $.trim($('#test6').val());
        if (!dateRange) {
            return layer.msg('请选择日期范围', { icon: 2, time: 2000 });
        }
        example.ajax.reload();
    });
});

function init() {
    example =
        $('#dt-tables').DataTable({
            "destroy": true,
            "searching": false,
            "processing": true, //加载数据时显示进度状态
            "serverSide": true,
            "pagingType": "full_numbers", //首页|尾页
            "language": {
                "url": "../../../js/plugin/datatables/Chinese.lang"
            },
            "createdRow": function (row, data, dataIndex) {
                if(!!data.remark){
                    if (data.remark.length > remarkShowLength) {//只有超长，才有td点击事件
                        $(row).children('td').eq(3).attr('onclick', 'javascript:changeShowRemarks(this);');
                    }
                    $(row).children('td').eq(3).attr('content', data.remark);
                }

            },
            "ajax": {
                "url": smz_ht_url + "/userHistory/operationLog",
                "type": "post",
                "data": function (d) {
                    var dateRange = $.trim($('#test6').val());
                    var parts = dateRange.split(' - ');
                    var startTime = parts[0];
                    var endTime = parts[1];
                    d.module = $("#module").val();
                    d.keyWord = $("#keyWord").val().trim();//关键字部分，查询功能
                    d.startTime = startTime;
                    d.endTime = endTime;
                },
                "error": function (xhr, textStatus, errorThrown) {
                    var msg = xhr.responseText;
                    console.log(msg);
                    var response = JSON.parse(msg);
                    var code = response.code;
                    var message = response.message;
                    if (code == 400) {
                        layer.msg(message);
                    } else if (code == 401) {
                        localStorage.removeItem("public_token");
                        localStorage.removeItem("smz_token");
                        layer.msg("token过期，请先登录", {shift: -1, time: 1000}, function () {
                            top.location.href= contentPath + '/login.html';
                        });
                    } else if (code == 403) {
                        console.log("未授权:" + message);
                        layer.msg('未授权');
                    } else if (code == 500) {
                        console.log('系统错误：' + message);
                    }
                }
            },
            "lengthMenu": [ [10, 20, 50], [10, 20, 50] ], // 设置每页显示数据量选项
            "drawCallback": function () {
                // alert( '表格重绘了' );
                var thisDataTable = $('#dt-tables').DataTable();
                $(".pagination").append("<li>" +
                    "<a class='paginate_button'  style='padding:4px;' href='#'  tabindex='0'>到 <input style='margin:0px;width:40px;' id='changePage'> 页</a>" +
                    "<a class='paginate_button' style='margin-bottom:1px' href='#'  tabindex='0' id='dataTable-btn'>确认</a></li>");
                //点击按钮跳转指定页数
                $('#dataTable-btn').click(function (e) {
                    if ($("#changePage").val() && $("#changePage").val() > 0) {
                        var redirectpage = $("#changePage").val() - 1;
                    } else {
                        var redirectpage = 0;
                    }
                    thisDataTable.page(redirectpage).draw('page');
                });
                //敲击回车键跳转指定页数
                $("#changePage").keypress(function (e) {
                    if (event.keyCode == 13) {
                        if ($("#changePage").val() && $("#changePage").val() > 0) {
                            var redirectpage = $("#changePage").val() - 1;
                        } else {
                            var redirectpage = 0;
                        }
                        thisDataTable.page(redirectpage).draw('page');
                    }
                });
            },
            "dom": "<'dt-toolbar'r>t<'dt-toolbar-footer'<'col-sm-4 col-xs-4 hidden-xs'i><'col-xs-8 col-sm-8' p v>><'dt-table-length'l>",
            //页面需要展示的数据
            "columns": [
                {
                    width: '40px',
                    "orderable": false,
                    data: function (row, type, set, meta) {
                        var c = meta.settings._iDisplayStart + meta.row + 1;
                        return c;
                    }

                },
                {"data": "userName", "defaultContent": ""},
                {"data": "module", "defaultContent": ""},
                {
                    "data": "remark",
                    "orderable": false,
                    "targets": 7,
                    "render": function (data, type, full, meta) {
                        if(full.remark){
                            if(full.remark.length > remarkShowLength){
                                return getPartialRemarksHtml(full.remark);//显示部分信息
                            }else{
                                return full.remark;
                            }
                        }else{
                            return '';
                        }
                        // if (full.itemContent.length > remarkShowLength) {
                        //     return getPartialRemarksHtml(full.itemContent);//显示部分信息
                        // } else {
                        //     return full.itemContent;//显示原始全部信息            }
                        // }
                    }
                },
                {"data": "createTime", "defaultContent": ""},
            ],
            "order": [[1, "desc"], [2, "desc"],[4, "desc"]]  //在栏目列上显示排序功能
        });
}

/**
 * 获得当前时间 yyyy-MM-dd
 * @returns {string}
 */
function getNowTime() {
    var time = new Date();
    var year = time.getFullYear();
    var month = time.getMonth() + 1 >= 10 ? time.getMonth() + 1 : '0' + (time.getMonth() + 1);
    var day = time.getDate() >= 10 ? time.getDate() : '0' + time.getDate();
    return year + "-" + month + "-" + day;
}

//切换显示备注信息，显示部分或者全部
function changeShowRemarks(obj){//obj是td
    var content = $(obj).attr("content");
    if(content != null && content != ''){
        if($(obj).attr("isDetail") == 'true'){//当前显示的是详细备注，切换到显示部分
            //$(obj).removeAttr('isDetail');//remove也可以
            $(obj).attr('isDetail',false);
            $(obj).html(getPartialRemarksHtml(content));
        }else{//当前显示的是部分备注信息，切换到显示全部
            $(obj).attr('isDetail',true);
            $(obj).html(getTotalRemarksHtml(content));
        }
    }
};

//部分备注信息
function getPartialRemarksHtml(remarks){
    return remarks.substr(0,remarkShowLength) + '&nbsp;&nbsp;<a href="javascript:void(0);" ><b>展开</b></a>';
}

//全部备注信息
function getTotalRemarksHtml(remarks){
    return remarks + '&nbsp;&nbsp;<a href="javascript:void(0);" >收起</a>';
}