import React, { useState, useEffect } from "react";
import { Tabs, Typography } from "antd";
import ExcelJS from "exceljs";

import {
   CameraView,
   TargetList,
   TemplateList,
   RealtimeCharts,
   RealtimeDataTable,
   TemplateModal,
   TargetDetailModal,
} from "../components";
import {
   WebSocketProvider,
   useWebSocket,
   useWebSocketSubscription,
} from "../actions/websocket.jsx";
import { useTemplateStorage } from "../hooks/useTemplateStorage.js";
import { useTargetStorage } from "../hooks/useTargetStorage.js";
import { useRef } from "react";
const { Title } = Typography;

// 内部组件，使用WebSocket hook
const WuyuanbiaobaContent = () => {
   const { isConnected, sendMessage } = useWebSocket();

   // 订阅实时数据
   const realtimeDataSubscription = useWebSocketSubscription("dev", "data");
   const realtimeBufferRef = useRef([]);
   const exportCountRef = useRef(200);
   const MAX_BUFFER_SIZE = 1000;

   const setExportCount = (count) => {
      exportCountRef.current = count;
   };

   // 数据缓冲区数据维护函数
   const pushToRealtimeBuffer = (newDataGroup) => {
      // newDataGroup: { time: "2025-09-29 01:40:57.091", data: [...] }
      const now = Date.now();
      const group = {
         ...newDataGroup,
         _bufferTimestamp: now,
      };

      // 合并到缓冲区
      realtimeBufferRef.current = [...realtimeBufferRef.current, group];

      // 只保留最大MAX_BUFFER_SIZE条数据
      if (realtimeBufferRef.current.length > MAX_BUFFER_SIZE) {
         realtimeBufferRef.current = realtimeBufferRef.current.slice(
            -MAX_BUFFER_SIZE
         );
      }
   };
   const {
      templates: tempListData,
      loading: templatesLoading,
      addTemplate,
      updateTemplate,
      deleteTemplate,
      getTemplateByKey,
   } = useTemplateStorage();

   const {
      targets: targetListData,
      loading: targetsLoading,
      addTarget,
      updateTarget,
      deleteTarget,
      refreshTargets,
   } = useTargetStorage();
   const [selectedTemplate, setSelectedTemplate] = useState(null);
   const [tableData, setTableData] = useState([]);
   const [realtimeData, setRealtimeData] = useState([]);
   const [lastUpdateTime, setLastUpdateTime] = useState(new Date());

   // 数据采样相关状态
   const [lastSampleTime, setLastSampleTime] = useState(0);

   // 模板相关状态
   const [templateModalVisible, setTemplateModalVisible] = useState(false);
   const [templateModalMode, setTemplateModalMode] = useState("add"); // 'add' | 'edit'
   const [currentEditTemplate, setCurrentEditTemplate] = useState(null);

   // 标靶详情模态框相关状态
   const [targetDetailModalVisible, setTargetDetailModalVisible] =
      useState(false);
   const [targetDetailModalMode, setTargetDetailModalMode] = useState("edit"); // 'edit'
   const [currentEditTarget, setCurrentEditTarget] = useState(null);

   // 添加选中标靶的状态
   const [selectedTargetId, setSelectedTargetId] = useState(null);

   // 处理实时数据并转换为表格格式
   const processRealtimeData = (data) => {
      if (!data || !data.data || !Array.isArray(data.data)) {
         return [];
      }

      return data.data.map((item) => ({
         key: item.pos,
         deviceId: item.pos, // 使用 pos 作为 deviceId
         desc: item.desc, // 添加 desc 字段
         xValue: item.x,
         yValue: item.y,
         updateTime: data.time,
      }));
   };

   // 初始化数据
   useEffect(() => {
      // 初始化空的实时数据表格
      setRealtimeData([]);
      setTableData([]);
      // console.log("数据已初始化，等待实时数据...", import.meta.env.MODE);
   }, []);

   // 模板数据加载完成后，默认选中内置模板
   useEffect(() => {
      if (!templatesLoading && tempListData.length > 0 && !selectedTemplate) {
         // 查找内置模板
         const builtinTemplate = tempListData.find(
            (template) => template.key === "builtin_1"
         );
         if (builtinTemplate) {
            setSelectedTemplate("builtin_1");
            // console.log("默认选中内置模板:", builtinTemplate.name);
         } else {
            // 如果没有内置模板，选择第一个模板
            setSelectedTemplate(tempListData[0].key);
            // console.log("默认选中第一个模板:", tempListData[0].name);
         }
      }
   }, [templatesLoading, tempListData, selectedTemplate]);

   // WebSocket连接成功后的处理
   useEffect(() => {
      if (isConnected) {
         // console.log("WebSocket已连接，等待实时数据...");
      } else {
         // console.log("WebSocket未连接");
      }
   }, [isConnected]);

   // 调试实时数据订阅状态
   useEffect(() => {
      // console.log('实时数据订阅状态:', {
      //    hasData: !!realtimeDataSubscription.latest,
      //    dataCount: realtimeDataSubscription.data?.length || 0,
      //    latestTimestamp: realtimeDataSubscription.latest?.timestamp,
      // });
   }, [realtimeDataSubscription]);

   // 处理实时数据更新
   useEffect(() => {
      if (
         realtimeDataSubscription.latest &&
         realtimeDataSubscription.latest.values
      ) {
         const newRealtimeData = processRealtimeData(
            realtimeDataSubscription.latest.values
         );

         if (newRealtimeData.length > 0) {
            const currentTime = Date.now();
            const currentSecond = Math.floor(currentTime / 1000);

            // 每秒采样一次数据用于图表和表格显示
            if (currentSecond > lastSampleTime) {
               setLastSampleTime(currentSecond);

               // 更新采样后的历史数据（用于图表显示）
               setTableData((prevData) => {
                  const updatedData = [
                     ...prevData,
                     ...newRealtimeData.map((point) => ({
                        ...point,
                        key: `${currentTime}_${point.key}`,
                        timestamp: currentTime,
                        updateTime: new Date(currentTime).toLocaleString(),
                     })),
                  ];

                  // 只保留最近25个数据点
                  return updatedData.slice(-75); // 3个设备 * 25个时间点
               });

               // 更新实时数据表格（使用最新的采样数据）
               setRealtimeData(
                  newRealtimeData.map((point) => ({
                     ...point,
                     key: `realtime_${point.key}`,
                     updateTime: new Date(currentTime).toLocaleString(),
                  }))
               );
            }
            //维护两分钟的缓冲区
            pushToRealtimeBuffer(realtimeDataSubscription.latest.values);
            setLastUpdateTime(new Date());
         }
      }
   }, [realtimeDataSubscription.latest]);

   const dataExport = async () => {
      const count = exportCountRef.current || 200;
      const buf = realtimeBufferRef.current;
      if (buf.length === 0) {
         console.warn("没有数据可导出");
         return;
      }
      // 只取最新的 count 条
      const dataToExport = buf.slice(-count);

      // 收集所有出现过的desc，保持顺序且唯一
      const descSet = [];
      dataToExport.forEach((group) => {
         if (Array.isArray(group.data)) {
            group.data.forEach((point) => {
               if (point && !descSet.includes(point.desc)) {
                  descSet.push(point.desc);
               }
            });
         }
      });

      // 构造表头
      const columns = [{ header: "采集时间", key: "time", width: 24 }];
      descSet.forEach((desc) => {
         columns.push(
            { header: `标靶${desc}X`, key: `x_${desc}`, width: 12 },
            { header: `标靶${desc}Y`, key: `y_${desc}`, width: 12 }
         );
      });

      // 创建工作簿和工作表
      const workbook = new ExcelJS.Workbook();
      const worksheet = workbook.addWorksheet("两分钟内数据");
      worksheet.columns = columns;

      // 填充数据
      dataToExport.forEach((group) => {
         const row = { time: group.time };
         // 先清空所有desc对应的列
         descSet.forEach((desc) => {
            row[`x_${desc}`] = "";
            row[`y_${desc}`] = "";
         });
         // 填充本组数据
         group.data.forEach((point) => {
            if (point && descSet.includes(point.desc)) {
               row[`x_${point.desc}`] = point.x;
               row[`y_${point.desc}`] = point.y;
            }
         });
         worksheet.addRow(row);
      });

      // 设置表头样式
      worksheet.getRow(1).font = { bold: true, color: { argb: "FF1F497D" } };
      worksheet.getRow(1).alignment = {
         vertical: "middle",
         horizontal: "center",
      };

      // 设置边框样式
      worksheet.eachRow((row, rowNumber) => {
         row.eachCell((cell) => {
            cell.border = {
               top: { style: "thin" },
               left: { style: "thin" },
               bottom: { style: "thin" },
               right: { style: "thin" },
            };
            cell.alignment = { vertical: "middle", horizontal: "center" };
         });
      });

      // 导出为文件
      const now = new Date();
      const pad = (n) => n.toString().padStart(2, "0");
      const localFileName = `${now.getFullYear()}-${pad(
         now.getMonth() + 1
      )}-${pad(now.getDate())}-${pad(now.getHours())}-${pad(
         now.getMinutes()
      )}-${pad(now.getSeconds())}.xlsx`;

      const buffer = await workbook.xlsx.writeBuffer();
      const blob = new Blob([buffer], {
         type: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
      });
      const url = window.URL.createObjectURL(blob);
      const a = document.createElement("a");
      a.href = url;
      a.download = localFileName;
      document.body.appendChild(a);
      a.click();
      document.body.removeChild(a);
      window.URL.revokeObjectURL(url);
   };
   // 编辑标靶的处理函数
   const handleEditTarget = (target) => {
      setCurrentEditTarget(target);
      setTargetDetailModalMode("edit");
      setTargetDetailModalVisible(true);
      // console.log("编辑标靶:", target);
   };

   // 选中标靶的处理函数
   const handleSelectTarget = (target) => {
      setSelectedTargetId(target.id);
      // console.log("选中标靶:", target);
   };

   // 清除选中标靶的处理函数
   const handleClearSelection = () => {
      setSelectedTargetId(null);
      // console.log("清除标靶选中状态");
   };

   // 处理矩形框点击事件
   const handleRectangleClick = (targetData) => {
      // console.log("矩形框被点击，打开标靶详情:", targetData);
      setCurrentEditTarget(targetData);
      setTargetDetailModalMode("edit");
      setTargetDetailModalVisible(true);
   };

   // 选择模板的处理函数
   const handleTemplateSelect = (templateKey) => {
      setSelectedTemplate(templateKey);
      // console.log("选中模板:", templateKey);
   };

   // 添加新模板的处理函数
   const handleAddTemplate = () => {
      setTemplateModalMode("add");
      setCurrentEditTemplate(null);
      setTemplateModalVisible(true);
   };

   // 编辑模板的处理函数
   const handleEditTemplate = (template) => {
      setTemplateModalMode("edit");
      setCurrentEditTemplate(template);
      setTemplateModalVisible(true);
   };

   // 模态框确认处理函数
   const handleTemplateModalOk = (templateInfo) => {
      // console.log(templateInfo, "templateInfo");

      let success = false;
      if (templateModalMode === "add") {
         success = addTemplate(templateInfo);
      } else {
         success = updateTemplate(templateInfo);
      }

      if (success) {
         setTemplateModalVisible(false);
      } else {
         console.error("模板操作失败");
         // 可以添加用户提示
      }
   };

   // 模态框取消处理函数
   const handleTemplateModalCancel = () => {
      setTemplateModalVisible(false);
      setCurrentEditTemplate(null);
   };

   // 删除模板处理函数
   const handleDeleteTemplate = (template) => {
      const success = deleteTemplate(template.key);

      if (success) {
         setTemplateModalVisible(false);

         // 如果删除的是当前选中的模板，则清空选中状态
         if (selectedTemplate === template.key) {
            setSelectedTemplate(null);
         }
      } else {
         console.error("删除模板失败");
         // 可以添加用户提示
      }
   };

   // 标靶详情模态框确认处理函数
   const handleTargetDetailModalOk = (targetInfo) => {
      const success = updateTarget(targetInfo);

      if (success) {
         setTargetDetailModalVisible(false);
         setCurrentEditTarget(null);
         // console.log("更新标靶信息:", targetInfo);
      } else {
         console.error("更新标靶失败");
         // 可以添加用户提示
      }
   };

   // 标靶详情模态框取消处理函数
   const handleTargetDetailModalCancel = () => {
      setTargetDetailModalVisible(false);
      setCurrentEditTarget(null);
   };

   // 删除标靶处理函数
   const handleDeleteTarget = (targetKey) => {
      // console.log("开始删除标靶:", targetKey);
      const success = deleteTarget(targetKey);

      if (success) {
         setTargetDetailModalVisible(false);
         setCurrentEditTarget(null);
         // 如果删除的标靶是当前选中的，清除选中状态
         if (selectedTargetId === targetKey) {
            setSelectedTargetId(null);
         }
         // console.log("删除标靶成功:", targetKey);

         // 强制刷新标靶数据，确保UI立即更新
         setTimeout(() => {
            refreshTargets();
         }, 500);
      } else {
         console.error("删除标靶失败");
         // 可以添加用户提示
      }
   };
   // 标靶-一键清零
   const onClickClearAll = () => {
      // console.log("一键清零操作");
      sendMessage(
         JSON.stringify({
            _from: "setup",
            cmd: "clearZero",
            values: {},
         })
      );
   };

   // Tabs items 配置
   const tabItems = [
      {
         key: "target-list",
         label: "标靶列表",
         children: (
            <TargetList
               targetListData={targetListData}
               selectedTargetId={selectedTargetId}
               onEditTarget={handleEditTarget}
               onSelectTarget={handleSelectTarget}
               onClickClearAll={onClickClearAll}
            />
         ),
      },
      {
         key: "temp-list",
         label: "模板列表",
         children: (
            <TemplateList
               tempListData={tempListData}
               selectedTemplate={selectedTemplate}
               onTemplateSelect={handleTemplateSelect}
               onAddTemplate={handleAddTemplate}
               onEditTemplate={handleEditTemplate}
            />
         ),
      },
   ];

   return (
      <div
         style={{
            minHeight: "100vh",
            display: "flex",
            flexDirection: "column",
            backgroundColor: "#f0f2f5",
         }}
      >
         {/* Header 区域 */}
         <div
            style={{
               height: "60px",
               backgroundColor: "white",
               color: "#333",
               display: "flex",
               alignItems: "center",
               padding: "0 24px",
               flexShrink: 0,
               borderBottom: "1px solid #d9d9d9",
            }}
         >
            <Title level={3} style={{ color: "#333", margin: 0 }}>
               视觉位移计配置工具
            </Title>
         </div>

         {/* 中间区域 - 固定视口剩余高度 */}
         <div
            style={{
               height: "calc(100vh - 60px)",
               display: "flex",
               margin: "16px",
            }}
         >
            {/* Camera 区域 */}
            <CameraView
               selectedTargetId={selectedTargetId}
               onClearSelection={handleClearSelection}
               onRectangleClick={handleRectangleClick}
               selectedTemplate={
                  selectedTemplate ? getTemplateByKey(selectedTemplate) : null
               }
               // 传递标靶数据，避免重复调用 Hook
               targets={targetListData}
               targetsLoading={targetsLoading}
               onRefreshTargets={refreshTargets}
            />

            {/* 右侧 Target List / Temp List 区域 */}
            <div
               style={{
                  flex: 1,
                  backgroundColor: "white",
                  display: "flex",
                  flexDirection: "column",
               }}
            >
               <Tabs
                  defaultActiveKey="target-list"
                  items={tabItems}
                  style={{
                     height: "100%",
                     display: "flex",
                     flexDirection: "column",
                  }}
                  centered
                  size="large"
                  tabBarGutter={64}
               />
            </div>
         </div>

         {/* 底部区域 - 在视口下方，需要滚动查看 */}
         <div
            style={{
               margin: "16px",
               marginTop: 0,
               minHeight: "600px",
               display: "flex",
               backgroundColor: "white",
            }}
         >
            {/* Charts 区域 */}
            <RealtimeCharts
               tableData={tableData}
               lastUpdateTime={lastUpdateTime}
               onDataExport={dataExport}
               exportCount={exportCountRef.current}
               setExportCount={setExportCount}
            />

            {/* Table 区域 - 使用采样数据显示 */}
            <RealtimeDataTable realtimeData={realtimeData} />
         </div>

         {/* 模板编辑模态框 */}
         <TemplateModal
            visible={templateModalVisible}
            mode={templateModalMode}
            templateData={currentEditTemplate}
            tempListData={tempListData}
            onOk={handleTemplateModalOk}
            onCancel={handleTemplateModalCancel}
            onDelete={handleDeleteTemplate}
         />

         {/* 标靶详情模态框 */}
         <TargetDetailModal
            visible={targetDetailModalVisible}
            mode={targetDetailModalMode}
            targetData={currentEditTarget}
            onOk={handleTargetDetailModalOk}
            onCancel={handleTargetDetailModalCancel}
            onDelete={handleDeleteTarget}
         />
      </div>
   );
};

// 主组件，使用WebSocket Provider包装
const Wuyuanbiaoba = () => {
   return (
      <WebSocketProvider>
         <WuyuanbiaobaContent />
      </WebSocketProvider>
   );
};

export default Wuyuanbiaoba;