let form, table;
let tableIns;
let pageNum = 1; // 定义分页
layui.use(["form", "table"], function () {
    form = layui.form;
    table = layui.table;
    initTable();
    // getStatistics();
});


// 数据概览
function getStatistics() {
    let encryptedData = {};
    let url = dataUrl + 'backstage/projectMaterial/getStatistics?encryptedData=' + encodeURIComponent(JSON.stringify(encryptedData));
    ajaxRequest(url, "GET", null, true, function () {
    }, function (result) {
        if (result.code === 200) {
            setNum(result.data);
        }
    }, function (xhr, status, error) {
        errorFn(xhr, status, error)
    }, null);

    // 数据概览赋值
    function setNum(obj) {
        $('#num').html(parseInt(obj.projectCount || 0));
        $('#num2').html(parseInt(obj.totalPurchaseCount || 0));
        $('#num3').html(parseInt(obj.totalOutCount || 0));
        $('#num4').html(parseInt(obj.totalShortageCount || 0));
    }
}

// 查询/重置
function queryTable(type) {
    if (type === 1) {
        let keyWord = $('#keyWord').val();
        let flag = checkValue(keyWord);
        if (flag) {
            $('#keyWord').val('');
            return layer.msg('关键字查询包含特殊字符，请重新输入', { icon: 2 });
        }
        let useUnit = $('#useUnit').val();
        let flag2 = checkValue(useUnit);
        if (flag2) {
            $('#useUnit').val('');
            return layer.msg('领用单位查询包含特殊字符，请重新输入', { icon: 2 });
        }
        reloadTable(1);
    } else if (type === 2) {
        $('#keyWord').val('');
        $('#useUnit').val('');
        $('#isShortage').val('');
        layui.form.render();
        reloadTable(1);
    }
}

// 刷新页面数据
function reloadData() {
    reloadTable(1);
    getStatistics();
}

// 重载表格
function reloadTable(pageNum) {
    table.reload("currentTableId", {
        where: {
            encryptedData: JSON.stringify({
                'keyWord': $('#keyWord').val(),
                'isShortage': $('#isShortage').val()
            }),
        },
    },
    );
}

// 初始化表格
function initTable() {
    tableIns = table.render({
        elem: "#currentTableId",
        id: 'currentTableId',
        headers: {
            authorization: sessionStorage.getItem("gz-token"),
        },
        // height: "full-300",
        url: dataUrl + "backstage/inventoryCount/queryLedgerListByProjectAndModel",
        where: {
            encryptedData: JSON.stringify({
                'keyWord': $('#keyWord').val(),
                'leaseUnit': $('#useUnit').val(),
                'isShortage': $('#isShortage').val()
            }),
        },
        request: {
            pageName: 'pageNum',
            limitName: 'pageSize'
        },
        parseData: function (res) { // res 即为原始返回的数据
            if(res.code === 401){
                closeWindowOpen();
            }
            // 确保数据按工程名称排序
            res.list.sort(function(a, b) {
                if (a.proName < b.proName) return -1;
                if (a.proName > b.proName) return 1;
                return 0;
            });
            
            return {
                "code": 0, // 解析接口状态
                "msg": '获取成功', // 解析提示文本
                "count": res.total, // 解析数据长度
                "data": res.list // 解析数据列表
            };
        },
        cols: [
            [
                {
                    width: '5%',
                    title: "序号",
                    align: "center",
                    templet: function (d) {
                        return d.LAY_NUM;
                    },
                },
                {
                    field: "proName",
                    width: '9%',
                    title: "工程名称",
                    unresize: true,
                    align: "center",
                    sort: true
                },
                {
                    field: "type",
                    width: '8%',
                    title: "物资类型",
                    unresize: true,
                    align: "center",
                    sort: true,
                },
                {
                    field: "name",
                    width: '8%',
                    title: "物资名称",
                    unresize: true,
                    align: "center",
                    sort: true,
                },
                {
                    field: "model",
                    width: '8%',
                    title: "规格型号",
                    unresize: true,
                    align: "center",
                    sort: true,
                },
                {
                    field: "unit",
                    width: '5%',
                    title: "单位",
                    unresize: true,
                    align: "center",
                    sort: true,
                },
                {
                    field: "needNum",
                    width: '6%',
                    title: "需用量",
                    unresize: true,
                    align: "center",
                    sort: true,
                    templet: function (d) {
                        return d.totalCg || 0;
                    },
                },
                {
                    field: "totalCg",
                    width: '6%',
                    title: "采购量",
                    unresize: true,
                    align: "center",
                    sort: true,
                    templet: function (d) {
                        return d.totalCg || 0;
                    },
                },
                {
                    field: "totalLk",
                    title: "利库量",
                    width: '6%',
                    unresize: true,
                    align: "center",
                    sort: true,
                    templet: function (d) {
                        const totalLk = d.totalLk || 0;
                        const rowData = JSON.stringify(d).replace(/"/g, '&quot;');
                        return totalLk > 0
                            ? `<a style='color: #1E9FFF' onclick='viewDetail(${rowData},1)'>${totalLk}</a>`
                            : `<span style='color: #666'>${totalLk}</span>`;
                    },
                },
                {
                    field: "price",
                    width: '6%',
                    title: "单价",
                    unresize: true,
                    align: "center",
                    sort: true,
                    templet: function (d) {
                        return d.price || 0;
                    },
                },
                {
                    field: "totalCk",
                    width: '7%',
                    title: "出库总量",
                    unresize: true,
                    align: "center",
                    sort: true,
                    templet: function (d) {
                        const totalCk = d.totalCk || 0;
                        const rowData = JSON.stringify(d).replace(/"/g, '&quot;');
                        return totalCk > 0
                            ? `<a style='color: #1E9FFF' onclick='viewDetail(${rowData},2)'>${totalCk}</a>`
                            : `<span style='color: #666'>${totalCk}</span>`;
                    },
                },
                {
                    field: "totalPrice",
                    width: '6%',
                    title: "总价",
                    unresize: true,
                    align: "center",
                    sort: true,
                    templet: function (d) {
                        return d.totalPrice || 0;
                    },
                },
                {
                    field: "totalBack",
                    width: '7%',
                    title: "退还数量",
                    unresize: true,
                    align: "center",
                    sort: true,
                    templet: function (d) {
                        const totalBack = d.totalBack || 0;
                        const rowData = JSON.stringify(d).replace(/"/g, '&quot;');
                        return totalBack > 0
                            ? `<a style='color: #1E9FFF' onclick='viewDetail(${rowData},3)'>${totalBack}</a>`
                            : `<span style='color: #666'>${totalBack}</span>`;
                    },
                },
                {
                    field: "totalDiff",
                    width: '6%',
                    title: "差缺量",
                    unresize: true,
                    align: "center",
                    sort: true,
                    templet: function (d) {
                        let totalDiff = d.totalDiff || 0;
                        if (totalDiff > 0) {
                            return '<span style="background-color: #f56c6c; color: #fff; border-radius: 5px; padding: 2px 5px;">' + totalDiff + '</span>';
                        }
                        return totalDiff;
                    },
                },
                {
                    field: "totalDiffPrice",
                    width: '7%',
                    title: "差缺总价",
                    unresize: true,
                    align: "center",
                    sort: true,
                    templet: function (d) {
                        let totalDiffPrice = d.totalDiffPrice || 0;
                        if (totalDiffPrice > 0) {
                            return '<span style="background-color: #f56c6c; color: #fff; border-radius: 5px; padding: 2px 5px;">' + totalDiffPrice + '</span>';
                        }
                        return totalDiffPrice;
                    },
                },
            ],
        ],
        limits: [10, 20, 30, 50, 100],
        limit: 50,
        page: false,
        done: function (res, curr, count) {
            pageNum = tableIns.config.page.curr;
            table.resize("currentTableId");
            
            // 延迟执行合并操作，确保表格完全渲染
            setTimeout(function() {
                mergeProNameCells();
            }, 100);
        }
    });
}

// 使用原生JavaScript合并工程名称相同的单元格
function mergeProNameCells() {
    // 获取表格元素
    let tableElem = document.getElementById('currentTableId');
    if (!tableElem) {
        console.error('找不到表格元素');
        return;
    }
    
    // 获取表格的tbody
    let tbody = tableElem.nextElementSibling.querySelector('.layui-table-body tbody');
    if (!tbody) {
        console.error('找不到表格tbody元素');
        return;
    }
    
    // 获取所有行
    let rows = tbody.querySelectorAll('tr');
    if (rows.length <= 1) return;
    
    console.log('开始合并工程名称相同的单元格，共' + rows.length + '行');
    
    let startRow = 0;
    let mergeCount = 1;
    let currentProName = getProNameFromRow(rows[0]);
    
    for (let i = 1; i < rows.length; i++) {
        let nextProName = getProNameFromRow(rows[i]);
        
        console.log('比较行 ' + i + '：当前=' + currentProName + '，下一个=' + nextProName);
        
        if (currentProName === nextProName) {
            mergeCount++;
            console.log('行 ' + i + ' 与前一行工程名称相同，合并计数：' + mergeCount);
        } else {
            // 执行合并
            if (mergeCount > 1) {
                console.log('合并行 ' + startRow + ' 到 ' + (i - 1) + '，共 ' + mergeCount + ' 行');
                mergeCells(rows, startRow, 1, mergeCount); // 工程名称在第2列（索引1）
            }
            
            // 重置计数
            startRow = i;
            mergeCount = 1;
            currentProName = nextProName;
        }
    }
    
    // 合并最后一组
    if (mergeCount > 1) {
        console.log('合并最后一组：行 ' + startRow + ' 到 ' + (rows.length - 1) + '，共 ' + mergeCount + ' 行');
        mergeCells(rows, startRow, 1, mergeCount); // 工程名称在第2列（索引1）
    }
    
    console.log('单元格合并完成');
}

// 从行中获取工程名称
function getProNameFromRow(row) {
    // 工程名称在第2列（索引1）
    let cell = row.querySelectorAll('td')[1];
    if (cell) {
        return cell.textContent.trim();
    }
    return '';
}

// 合并单元格
function mergeCells(rows, startRow, colIndex, rowspan) {
    if (startRow < 0 || startRow >= rows.length) return;
    
    // 获取起始行的单元格
    let startCell = rows[startRow].querySelectorAll('td')[colIndex];
    if (!startCell) return;
    
    // 设置rowspan
    startCell.rowSpan = rowspan;
    
    // 隐藏被合并的单元格
    for (let i = 1; i < rowspan; i++) {
        let cell = rows[startRow + i].querySelectorAll('td')[colIndex];
        if (cell) {
            cell.style.display = 'none';
        }
    }
}

// 查看详情
function viewDetail(obj, type) {
    console.log('查看详情', type, obj);
    if (type === 1) {
        openIframeByParamObj("projectLkDetails", "利库详情", "./child/project_lk_details.html", "92%", "95%", obj, 0);
    } else if (type===2){
        openIframeByParamObj("projectCkDetails", "出库详情", "./child/project_ck_details.html", "92%", "95%", obj, 0);
    } else {
        openIframeByParamObj("projectTkDetails", "退库详情", "./child/project_tk_details.html", "92%", "95%", obj, 0);
    }
}


// 导出Excel
function exportExcel() {
    let keyWord = $('#keyWord').val();
    let isShortage = $('#isShortage').val();

    let params = {
        'keyWord': keyWord,
        'isShortage': isShortage
    };

    let encryptedData = JSON.stringify(params);
    let url = dataUrl + 'backstage/inventoryCount/exportLedgerListByProjectAndModel?encryptedData=' + encodeURIComponent(encryptedData);

    // 创建隐藏的下载链接
    let link = document.createElement('a');
    link.href = url;
    link.download = '工程物料统计_' + new Date().getTime() + '.xlsx';
    link.style.display = 'none';

    // 添加授权头并下载
    fetch(url, {
        method: 'GET',
        headers: {
            'authorization': sessionStorage.getItem("gz-token")
        }
    }).then(response => {
        if (response.ok) {
            return response.blob();
        }
        throw new Error('导出失败');
    }).then(blob => {
        let downloadUrl = window.URL.createObjectURL(blob);
        link.href = downloadUrl;
        document.body.appendChild(link);
        link.click();
        document.body.removeChild(link);
        window.URL.revokeObjectURL(downloadUrl);
        layer.msg('导出成功', { icon: 1 });
    }).catch(error => {
        layer.msg('导出失败：' + error.message, { icon: 2 });
    });
}