var example = null;
var pers = null;
var layer, form;
layui.use(['layer', 'form'], function () {
    layer = layui.layer;
    form = layui.form;
    getProject(form); //查询工程
    pers = checkPermission();
    init();
    $("#searchBt").click(function () {
        example.ajax.reload();
    });
});

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
            "language": {
                "url": ctxPath + "/js/plugin/datatables/Chinese.lang"
            },
            'scrollY': 'calc(100vh - 150px)',
            'scroller': true,
            'scrollCollapse': true,
            "ajax": {
                "url": ctxPath + "/EmploymentManagement",
                "type": "get",
                "data": function (d) {
                    d.proId = $("#proId").val();
                    d.keyWord = $("#keyWord").val();
                    d.proState = $("#proState").val();
                },
                "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("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": "proName", "width": "25%",},
                {"data": "proType", "width": "25%",},
                {"data": "dydj", "width": "20%",},
                {
                    "data": "",
                    "width": "20%",
                    "defaultContent": "",
                    "orderable": false,
                    "render": function (data, type, row) {
                        var proState = row['proState'];
                        var html = '';
                        html += "<span >" + proState + "</span>"
                        return html;
                    }
                },
                {
                    "data": "",
                    "width": "6%",
                    "defaultContent": "",
                    "orderable": false,
                    "render": function (data, type, row) {
                        var id = row['id'];
                        var idNumber = row['idNumber'];
                        var proId = row['proId'];
                        var proName = row['proName'];
                        var html = '';
                        html += detailsBtn(idNumber,proName, id, proId, "", pers);
                        html += downloadBtn(proId,proName, "", pers);
                        return html;
                    }
                },
            ],
            "fnInitComplete": function () {
                // 防止页面闪烁
                $('.table').css('display', '');
                //自动调整列宽（自适应）
                let table = $('#dt-table').DataTable();
                table.columns.adjust().draw();
            },
            "order": [[1, "desc"],[2, "desc"],[3, "desc"]]  //在栏目列上显示排序功能
        });
}

/**
 * 下载按钮
 */
function downloadBtn(proId,proName, permission, pers){
    if (permission != "") {
        if ($.inArray(permission, pers) < 0) {
            return "";
        }
    }
    var btn = $("<button class='layui-btn layui-btn-xs' title='下载' onclick='download(\"" + proId + "\",\"" + proName + "\")'>下载</button>");
    return btn.prop("outerHTML");
}

/**
 * 下载
 */
function download(proId ,proName) {
    var token = localStorage.getItem("token");
    var loadingMsg = layer.msg('下载中,请稍候...', {icon: 16, scrollbar: false, time: 0});
    var url = ctxPath + "/EmploymentManagement/exportEmploymentManagement?proId=" + proId + "&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 = "农民工用工管理台账-"+proName+".xlsx"; // 文件名
        }else {
            layer.msg('发生异常,请稍后重试', {icon: 16, scrollbar: false, time: 2000});
        }
        a.click()
        window.URL.revokeObjectURL(url)
    };
    xhr.send();
}

/**
 * 详情按钮
 */
function detailsBtn(idNumber,proName, id, proId, permission, pers) {
    if (permission != "") {
        if ($.inArray(permission, pers) < 0) {
            return "";
        }
    }
    var btn = $("<button class='layui-btn layui-btn-xs' title='详情' onclick='details(\"" + proId + "\",\"" + proName + "\")'>详情</button>");
    return btn.prop("outerHTML");
}

/**
 * 详情
 */
function details(proId,proName) {
    localStorage.setItem("proId",proId);
    localStorage.setItem("proName",proName);
    localStorage
    var height = '750px';
    var width = '1650px';
    var index = layer.open({
        title: ['农民工用工管理台账', 'color:#3B70A1;background-color:#E8ECEB;font-size:20px;font-weight:bold'],
        type: 2,
        content: 'employmentManagementAccountForm.html',
        area: [width, height],
        maxmin: false,
    });
}

// 子页面调用的刷新父页面方法
function reloadData() {
    example.ajax.reload();
}