var example = null;
var pers = null;
    layui.use(['layer'], function () {
        var layer = layui.layer;
        pers = checkPermission();
        $("#searchBt").click(function () {
            example.ajax.reload();
        });
        $("#saveZipButton").click(function(){
            importExcel();
        });
        init();

        $("#exportBt").click(function () {
            var token = localStorage.getItem("token");
            var loadingMsg = layer.msg('下载中,请稍候...', {icon: 16, scrollbar: false, time: 0});
            var url = ctxPath + "/CommonProblem/exportCommonProblem?keyWord=" + $("#keyWord").val().trim()+ "&token=" + token;
            var xhr = new XMLHttpRequest();
            xhr.open("get", url, true);
            xhr.responseType = "blob";  // 转换流
            xhr.onload = function () {
                layer.close(loadingMsg);
                if (this.status === 200) {
                    var blob = this.response;
                    var a = document.createElement("a");
                    var url = window.URL.createObjectURL(blob);
                    a.href = url;
                    a.download = "农民工实名制管理平台使用常见问题汇总.xlsx"; // 文件名
                }else {
                    layer.msg('导出发生异常,请稍后重试', {icon: 16, scrollbar: false, time: 2000});
                }
                a.click()
                window.URL.revokeObjectURL(url)
            };
            xhr.send();
        });

    });


function init() {
    example =
        $('#dt-table').DataTable({
            "searching": false,
            "processing": true, //加载数据时显示进度状态
            "serverSide": true,
            "pagingType": "full_numbers", //首页|尾页saveZipButton
            "language": {
                "url": ctxPath + "/js/plugin/datatables/Chinese.lang"
            },
            "ajax": {
                "url": ctxPath + "/CommonProblem",
                "type": "get",
                "data": function (d) {
                    d.keyWord = $("#keyWord").val();
                },
                "error": function (xhr, textStatus, errorThrown) {
                    var msg = xhr.responseText;
                    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("token");
                        layer.msg("token过期，请先登录", {shift: -1, time: 1000}, function () {
                            location.href = ctxPath + '/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-table').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>",
            "columns": [
                {
                    width: '40px',
                    "orderable": false,
                    data: function (row, type, set, meta) {
                        var c = meta.settings._iDisplayStart + meta.row + 1;
                        return c;
                    }
                },
                {"data": "subsystem","orderable": false,"defaultContent": ""},//子系统
                {"data": "module", "orderable": false,"defaultContent": ""},//模块
                {"data": "problemDescription", "orderable": false, "defaultContent": ""},//问题描述
                {"data": "solution","orderable": false,"defaultContent": ""},//解决办法
                {"data": "remark","orderable": false,"defaultContent": ""},//备注
                {
                    "data": "",
                    "defaultContent": "",
                    "orderable": false,
                    "render": function (data, type, row) {
                        var id = row['id'];
                        var html = '';
                        html += buttonEdits(id, "sys:Sub:update", pers); //修改
                        html += buttonDel(id,"", pers); // 删除
                        return html;
                    }
                },
            ],
        });
}


/**
 * 新增页面
 * */
function addCommonProblem() {
    var height = '525px';
    var width = '925px';
    var index = layer.open({
        title: ['新增','color:#3B70A1;background-color:#E8ECEB;font-size:20px'],
        type: 2,
        content: 'commonProblemForm.html',
        area: [width, height],
        maxmin: false,
        btn: ['确定', '关闭'],
        success:function(layero,index){
            var myIframe = window[layero.find('iframe')[0]['name']];
            /*myIframe.getCompanys(); //aaa()为子页面的方法*/
        },
        yes: function (index, layero) {
            // 获取弹出层中的form表单元素
            var formSubmit = layer.getChildFrame('form', index);
            var submited = formSubmit.find('button')[0];
            // 触发点击事件，会对表单进行验证，验证成功则提交表单，失败则返回错误信息
            submited.click();
            // example.ajax.reload(); // 刷新页面
        },
        btn2: function (index, layero) {
        }
    });
}


// 编辑按钮
function buttonEdits(id, permission, pers) {
    if (permission != "") {
        if ($.inArray(permission, pers) < 0) {
            return "";
        }
    }
    var btn = $("<button class='layui-btn layui-btn-xs' title='编辑' onclick='edit(\"" + id + "\")'><i class='layui-icon'>&#xe642;</i></button>");
    return btn.prop("outerHTML");
}

/**
 * 编辑页面
 */
function edit(id) {
    $.ajax({
        type: 'POST',
        contentType: "application/x-www-form-urlencoded",
        url: ctxPath + '/CommonProblem/getCommonProblemById',
        data: {"id": id},
        dataType: 'json',
        success: function (data) {
            var height = '85%';
            var width = '85%';
            var index = layer.open({
                title: ['修改', 'color:#3B70A1;background-color:#E8ECEB;font-size:20px'],
                type: 2,
                content: 'commonProblemForm.html',
                area: [width, height],
                maxmin: false,
                btn: ['确定', '关闭'],
                success: function (layero, index) {
                    var myIframe = window[layero.find('iframe')[0]['name']];
                    var fnc = myIframe.setData(data); //aaa()为子页面的方法
                },
                yes: function (index, layero) {
                    // 获取弹出层中的form表单元素
                    var formSubmit = layer.getChildFrame('form', index);
                    var submited = formSubmit.find('button')[0];
                    // 触发点击事件，会对表单进行验证，验证成功则提交表单，失败则返回错误信息
                    submited.click();
                    // example.ajax.reload(); // 刷新页面
                },
                btn2: function (index, layero) {
                }
            });
        }
    })
}

// 删除按钮
function buttonDel(id,permission, pers) {
    if (permission != "") {
        if ($.inArray(permission, pers) < 0) {
            return "";
        }
    }
    var btn = $("<button class='layui-btn layui-btn-xs' title='删除' onclick='del(\"" + id + "\")'><i class='layui-icon'>&#xe640;</i></button>");
    return btn.prop("outerHTML");


}

//删除
function del(id){
    layer.confirm("您确定要删除此条数据吗？", function () {
        var form = {"id" : id};
        $.ajax({
            type: 'post',
            url: ctxPath + '/CommonProblem/delCommonProblem',
            contentType: "application/json; charset=utf-8",
            data: JSON.stringify(form),
            dataType: 'json',
            success: function (data) {
                if (data.resMsg == "删除成功") {
                    layer.msg('删除成功', {icon: 1, time: 3000});
                    example.ajax.reload(null, false); // 刷新页面
                } else {
                    layer.msg(data.resMsg, {icon: 2, time: 3000});
                    example.ajax.reload(null, false); // 刷新页面
                }
            }
        })
    })
}

//导入excel文件
function importExcel(){
    var formData = new FormData($('form')[0]);
    var name = $("#articleImageFile").val();
    if(name==null|| name == "") {
        return;
    }
    if(!(name.endsWith(".xls") || name.endsWith(".xlsx") || name.endsWith(".xlsm"))) {
        layer.msg("请上传正确的Excel表格!");
        $("#articleImageFile").val("");
        return;
    }
    formData.append("file", $("#articleImageFile")[0].files[0]);
    var idx = layer.msg('正在提交数据,请稍等...', {
        icon: 16
        ,shade: 0.01
        ,time:'-1'
    });
    $.ajax({
        url :  ctxPath + "/CommonProblem/importExcel",
        type : 'POST',
        async : false,
        data : formData,
        timeout:20000,
        // 告诉jQuery不要去处理发送的数据
        processData : false,
        // 告诉jQuery不要去设置Content-Type请求头
        contentType : false,
        success : function(data) {
            layer.close(idx);
            if(data.indexOf("导入成功") !=-1){
                layer.alert(data, {icon: 1});
            }else if(data.indexOf("导入失败") !=-1){
                console.log(data)
                layer.alert(data, {icon: 2});
            }
            example.ajax.reload(null, false); // 刷新页面
        },
        error:function(XMLHttpRequest, textStatus, errorThrown) {
            console.log(JSON.stringify(errorThrown));
            layer.close(idx);
        }
    });
    $("#articleImageFile").val("");
}
function downCommonProblem(){
    window.location.href = ctxPath + "/download/download?filename=湖南农民工实名制管理平台使用常见问题汇总.xlsx";
}