let form, layer, table, tableIns;
let pageNum = 1, limitSize = 10; // 默认第一页，分页数量为20

layui.use(['form', 'layer', 'table'], function () {
    form = layui.form;
    layer = layui.layer;
    table = layui.table;
    pages(1, 10, 1);
    // 导入试题库数据
    $('.import-btn').on('click', function () {
        $("#import-excel").trigger("click");
    });
})


function pages(pageNum, pageSize, typeNum) {
    let params = getReqParams(pageNum, pageSize, typeNum);
    $.ajax({
        url: dataUrl + "proteam/pot/itemBank/getItemBanks?token=" + token,
        data: params,
        type: 'POST',
        async: false,
        success: function (result) {
            if (result.code === 200) {
                if (result.data) {
                    initTable(result.data, result.limit, result.curr)
                    laypages(result.count, result.curr, result.limit)
                }
            } else if (result.code === 500) {
                layer.alert(result.msg, { icon: 2 })
            } else if (result.code === 401) {
                logout(1);
            }
        }, error: function () {
        }
    });
}

function laypages(total, page, limit) {
    layui.use(['laypage'], function () {
        let laypage = layui.laypage;
        laypage.render({
            elem: 'voi-page',
            count: total,
            curr: page,
            limit: limit,
            limits: [10, 20, 50, 100],
            layout: ['prev', 'page', 'next', 'skip', 'count', 'limit'],
            groups: 5,
            jump: function (obj, first) {
                if (!first) {
                    pageNum = obj.curr, limitSize = obj.limit;
                    pages(obj.curr, obj.limit, null);
                }
            }
        });
    })
}

/*初始化表格*/
function initTable(dataList, limit, page) {
    let loadingMsg = layer.msg("数据加载中,请稍候...", { icon: 16, scrollbar: false, time: 0, });
    tableIns = table.render({
        id: 'todayTaskTable',
        elem: "#todayTaskTable",
        height: "full-150",
        data: dataList,
        cols: [
            [
                //表头
                { type: 'checkbox', width: '5%'},
                {
                    title: "序号",
                    width: '5%',
                    unresize: true,
                    align: "center",
                    templet: function (d) {
                        return (page - 1) * limit + d.LAY_NUM;
                    }
                },
                {
                    field: "topic",
                    title: "题干",
                    width: '30%',
                    unresize: false,
                    align: "center",
                },
                {
                    field: "topicTypeName",
                    title: "题干类型",
                    width: '8%',
                    unresize: false,
                    align: "center",
                },
                {
                    field: "topicOption",
                    title: "选项",
                    width: '36%',
                    unresize: false,
                    align: "center",
                    templet: function (d) {
                        let html = '';
                        if (d.topicOption) {
                            let optionArr = d.topicOption.split('|');
                            $.each(optionArr, function (index, item) {
                                html += '<p>' + item + '</p>'
                            });
                        }
                        return html;
                    }
                },
                {
                    field: "topicAnswer",
                    title: "答案",
                    width: '8%',
                    unresize: false,
                    align: "center",

                },
                {
                    title: "操作",
                    width: '8%',
                    unresize: false,
                    align: "center",
                    templet: function (d) {
                        return "<a onclick='addData(" + JSON.stringify(d) + ",2)'>修改</a><div>|</div>" +
                            "<a onclick='delData(2,"+d.id+")' style='color:#EB3330;'>删除</a>";
                    }
                },
            ],
        ],
        limit: limit,
        done: function (res, curr, count) {
            layer.close(loadingMsg);
        },
    });
}


// 获取参数
function getReqParams(page, limit, type) {
    let obj = {};
    if (!type) {
        obj = {
            page: page + "",
            limit: limit + "",
            topic: $('#topic').val(),
            topicType: $('#topicType').val(),

        };
    } else {
        obj = {
            page: 1,
            limit: limit,
            topic: $('#topic').val(),
            topicType: $('#topicType').val(),

        };
    }
    return obj;
}

// 查询
function query(type) {
    if (type === 2) {
        $('#topic').val('');
        $('#topicType').val('');
        layui.form.render();
    }
    pages(1, limitSize);
}

// 新增/修改 试题库
function addData(params, type) {
    let title = '';
    if (type === 1) {
        title = '新增试题'
        params = {};
    } else {
        title = '修改试题';
    }
    openIframeByParamObj("operItemBank", title, "itemBankForm.html", "52%", "70%", params);
}

// 导入试题库
$("#import-excel").change(function () {
    if ($(this).val()) {
        let files = $(this)[0].files[0];
        let fileType = files.name.substring(
            files.name.lastIndexOf(".") + 1,
            files.name.length
        );
        if (fileType === "xlsx" || fileType === "xls") {
            excelUpload11(this, dataUrl + "proteam/pot/itemBank/importExcelData?token=" + token)
        } else {
            layer.msg("仅支持上传文件格式为：xlx、xlsx", { icon: 5, });
            $("#import-excel").val("");
        }
    }
});

// 导出试题库
function exportExcelData() {
    let topic = $('#topic').val(),
        topicType =  $('#topicType').val();
    let loadingMsg = layer.msg("数据导出中,请稍候...", { icon: 16, scrollbar: false, time: 0, });
    let url = dataUrl + "proteam/pot/itemBank/exportExcelData?topic=" + topic + "&topicType=" + topicType + "&token=" + token;
    let xhr = new XMLHttpRequest();
    xhr.open("get", url, true);
    xhr.responseType = "blob"; // 转换流
    xhr.setRequestHeader("encryption", "encryption");
    xhr.onload = function () {
        layer.close(loadingMsg);
        if (this.status === 200) {
            let blob = this.response;
            var a = document.createElement("a");
            var url = window.URL.createObjectURL(blob);
            a.href = url;
            a.download = "试题库" + ".xlsx"; // 文件名
        } else {
            layer.msg("数据发生异常,请稍后重试", { icon: 16, scrollbar: false, time: 2000 });
        }
        a.click();
        window.URL.revokeObjectURL(url);
    };
    xhr.send();
}


// 试题库模板下载
function downloadTemplate() {
    let loadingMsg = layer.msg('试题库模板下载中,请稍候...', { icon: 16, scrollbar: false, time: 0 });
    let url = dataUrl + 'proteam/pot/itemBank/downloadTemplate?token=' + token;
    let xhr = new XMLHttpRequest();
    xhr.open("get", url, true);
    xhr.responseType = "blob";  // 转换流
    xhr.setRequestHeader("encryption", "encryption");
    xhr.setRequestHeader("encrypt",
        sm3(JSON.stringify({})));
    xhr.onload = function () {
        layer.close(loadingMsg); // 关闭提示层
        if (this.status === 200) {
            let blob = this.response;
            var a = document.createElement("a");
            var url = window.URL.createObjectURL(blob);
            a.href = url;
            a.download = "试题库-导入模板.xlsx"; // 文件名
        } else {
            layer.msg('服务异常，请稍后重试', { icon: 16, scrollbar: false, time: 2000 });
        }
        a.click()
        window.URL.revokeObjectURL(url)
    };
    xhr.send();
}

// 删除数据
function delData(type,id) {
    let selectedIds = [];
    if(type === 1){
        $('.layui-table-body .layui-form-checked').each(function () {
            var tr = $(this).closest('tr');
            var id = tr.attr('data-index'); // 获取行索引
            // 或者从数据属性获取
            var data = table.cache['todayTaskTable'][id];
            selectedIds.push(data.id);
        });
        if(selectedIds.length === 0){
            return layer.msg('未选择删除数据',{icon:7});
        }
    }else{
        selectedIds.push(id);
    }
    layer.confirm('确定删除吗？', function () {
        let loadingMsg = layer.msg('正在删除,请稍等...', { icon: 16, shade: 0.01, time: '0' });
        let url = dataUrl + "proteam/pot/itemBank/delData";
        let params = { delIds: selectedIds };
        ajaxRequest2(url, "POST", params, true, function (result) {
            layer.close(loadingMsg); // 关闭提示层
            if (result.code === 200) {
                parent.layer.msg(result.msg, { icon: 1 })
                query(1);
            } else {
                layer.msg(result.msg, { icon: 2 })
            }
        }, function (xhr) {
            layer.close(loadingMsg); // 关闭提示层
            error(xhr)
        }, null, token);
    })
}