// src/composables/useDrawingManager.ts
import { ref, reactive,watch} from 'vue';
import type {  DrawingTool, DrawingResult, DrawingInfo, DrawingOptions, CircleOptions, PolygonOptions } from './DrawingTool';

export function useDrawingManager(drawingTool: any) { // 修改参数类型为 any 或 Ref<DrawingTool | null>
  const isDrawing = ref(false);
  const currentDrawingType = ref<'circle' | 'polygon' | null>(null);
  const drawings = reactive(new Map<string, DrawingResult>());
  const selectedDrawing = ref<string | null>(null);
  const drawingInfo = ref<DrawingInfo | null>(null);

  // 绘图选项
  const drawingOptions = reactive<{
    circle: CircleOptions;
    polygon: PolygonOptions;
  }>({
    circle: {
      color: Cesium.Color.YELLOW.withAlpha(0.3),
      outlineColor: Cesium.Color.YELLOW,
      outlineWidth: 2,
      fill: true,
      height: 0,
      extrudedHeight: 1000
    },
    polygon: {
      color: Cesium.Color.CYAN.withAlpha(0.3),
      outlineColor: Cesium.Color.CYAN,
      outlineWidth: 2,
      fill: true,
      height: 0,
      extrudedHeight: 1000,
      closePath: true
    }
  });

  // // 初始化点击回调 - 使用 watch 来确保 drawingTool 已初始化
  // import { watch } from 'vue';

  watch(() => drawingTool?.value, (newTool) => {
    if (newTool) {
      newTool.setCallbacks({
        onClick: (result: DrawingResult, info: DrawingInfo) => {
          handleDrawingClick(result, info);
        }
      });
    }
  }, { immediate: true });

  // 处理绘图点击
  const handleDrawingClick = (result: DrawingResult, info: DrawingInfo): void => {
    selectedDrawing.value = result.id;
    drawingInfo.value = info;
    
    // 高亮显示
    if (drawingTool?.value) {
      drawingTool.value.highlightDrawing(result.id, true);
    }

    console.log('Drawing clicked:', info);
  };

  // 开始绘制圆形
  const startCircleDrawing = (): void => {
    const tool = drawingTool?.value;
    if (!tool) return;

    tool.setCallbacks({
      onStart: () => {
        isDrawing.value = true;
        currentDrawingType.value = 'circle';
        drawingInfo.value = null;
      },
      onComplete: (result: DrawingResult) => {
        isDrawing.value = false;
        currentDrawingType.value = null;
        drawings.set(result.id, result);
        selectedDrawing.value = result.id;
        drawingInfo.value = result.info;
      },
      onCancel: () => {
        isDrawing.value = false;
        currentDrawingType.value = null;
      },
      onClick: (result: DrawingResult, info: DrawingInfo) => {
        handleDrawingClick(result, info);
      }
    });

    tool.startDrawingCircle(drawingOptions.circle);
  };

  // 开始绘制多边形
  const startPolygonDrawing = (): void => {
    const tool = drawingTool?.value;
    if (!tool) return;

    tool.setCallbacks({
      onStart: () => {
        isDrawing.value = true;
        currentDrawingType.value = 'polygon';
        drawingInfo.value = null;
      },
      onComplete: (result: DrawingResult) => {
        isDrawing.value = false;
        currentDrawingType.value = null;
        drawings.set(result.id, result);
        selectedDrawing.value = result.id;
        drawingInfo.value = result.info;
      },
      onCancel: () => {
        isDrawing.value = false;
        currentDrawingType.value = null;
      },
      onClick: (result: DrawingResult, info: DrawingInfo) => {
        handleDrawingClick(result, info);
      }
    });

    tool.startDrawingPolygon(drawingOptions.polygon);
  };

  // 取消绘制
  const cancelDrawing = (): void => {
    const tool = drawingTool?.value;
    if (tool) {
      tool.cancelDrawing();
      isDrawing.value = false;
      currentDrawingType.value = null;
    }
  };

  // 选择图形
  const selectDrawing = (id: string): void => {
    const tool = drawingTool?.value;
    if (selectedDrawing.value === id) {
      deselectDrawing();
      return;
    }

    if (selectedDrawing.value && tool) {
      tool.highlightDrawing(selectedDrawing.value, false);
    }

    selectedDrawing.value = id;
    const drawing = drawings.get(id);
    if (drawing && tool) {
      tool.highlightDrawing(id, true);
      drawingInfo.value = drawing.info;
    }
  };

  // 取消选择
  const deselectDrawing = (): void => {
    const tool = drawingTool?.value;
    if (selectedDrawing.value && tool) {
      tool.highlightDrawing(selectedDrawing.value, false);
    }
    selectedDrawing.value = null;
    drawingInfo.value = null;
  };

  // 移除图形
  const removeDrawing = (id: string): void => {
    const tool = drawingTool?.value;
    if (tool && tool.removeDrawing(id)) {
      drawings.delete(id);
      if (selectedDrawing.value === id) {
        deselectDrawing();
      }
    }
  };

  // 清除所有图形
  const clearAllDrawings = (): void => {
    const tool = drawingTool?.value;
    if (tool) {
      tool.clearAllDrawings();
      drawings.clear();
      deselectDrawing();
    }
  };

  // 飞向图形
  // const flyToDrawing = (id: string): void => {
  //   const tool = drawingTool?.value;
  //   if (tool) {
  //     tool.flyToDrawing(id);
  //   }
  // };

   /**
   * 飞向图形
   */
   const flyToDrawing = (id: string): void => {
    const tool = getTool();
    console.log('=== flyToDrawing 被调用 ===');
    console.log('目标ID:', id);
    console.log('工具是否存在:', !!tool);
    console.log('空域是否存在:', drawings.has(id));
    
    if (!tool) {
      console.error('❌ 绘图工具未初始化');
      return;
    }

    if (!drawings.has(id)) {
      console.error('❌ 空域不存在:', id);
      return;
    }

    console.log('✅ 开始执行飞向操作...');
    
    // 尝试不同的飞向方法
    try {
      // 方法1: 使用改进版本
      tool.flyToDrawingImproved(id, 2);
      
      // 或者方法2: 使用简单版本
      // tool.flyToDrawingSimple(id, 2);
      
      // 或者方法3: 使用原始版本
      // tool.flyToDrawing(id, 2);
      
    } catch (error) {
      console.error('❌ 飞向操作失败:', error);
    }
  };

  /**
   * 飞向选中空域
   */
  const flyToSelectedDrawing = (): void => {
    console.log('=== flyToSelectedDrawing 被调用 ===');
    console.log('当前选中的空域:', selectedDrawing.value);
    
    if (!selectedDrawing.value) {
      console.error('❌ 请先选择一个空域');
      return;
    }
    
    flyToDrawing(selectedDrawing.value);
  };


   /**
   * 导出选中空域信息为文本
   */
   const exportSelectedDrawingAsText = (): string => {
    console.log('=== exportSelectedDrawingAsText 开始执行 ===');
    const tool = getTool();
    console.log('工具状态:', !!tool);
    console.log('选中空域:', selectedDrawing.value);
    
    if (!tool) {
      console.error('❌ 绘图工具未初始化');
      return '';
    }
    if (!selectedDrawing.value) {
      console.error('❌ 请先选择一个空域');
      return '';
    }
    
    try {
      const text = tool.exportDrawingInfoAsText(selectedDrawing.value);
      console.log('导出的文本内容:', text);
      return text;
    } catch (error) {
      console.error('❌ 导出空域信息时发生错误:', error);
      return '';
    }
  };

  /**
   * 导出所有空域信息
   */
  const exportAllDrawingsAsText = (): string => {
    console.log('=== exportAllDrawingsAsText 开始执行 ===');
    const tool = getTool();
    
    if (!tool) {
      console.error('❌ 绘图工具未初始化');
      return '';
    }
    if (drawings.size === 0) {
      console.warn('⚠️ 当前没有绘制任何空域');
      return '';
    }
    
    let text = `=== 空域信息汇总 (共 ${drawings.size} 个) ===\n\n`;
    
    drawings.forEach((drawing, id) => {
      try {
        const drawingText = tool.exportDrawingInfoAsText(id);
        text += drawingText + '\n\n' + '='.repeat(50) + '\n\n';
      } catch (error) {
        console.error(`导出空域 ${id} 时发生错误:`, error);
        text += `空域 ${id} 导出失败\n\n` + '='.repeat(50) + '\n\n';
      }
    });
    
    console.log('导出的所有空域文本内容:', text);
    return text;
  };

  // 更新绘图选项
  const updateDrawingOptions = (type: 'circle' | 'polygon', options: Partial<DrawingOptions>): void => {
    drawingOptions[type] = { ...drawingOptions[type], ...options };
  };

  // 导出图形数据
  const exportDrawings = (): any[] => {
    const tool = drawingTool?.value;
    if (tool) {
      return tool.exportDrawings();
    }
    return [];
  };

  // 导入图形数据
  const importDrawings = (data: any[]): void => {
    const tool = drawingTool?.value;
    if (tool) {
      tool.importDrawings(data);
      data.forEach(item => {
        drawings.set(item.id, item as DrawingResult);
      });
    }
  };

  // 获取绘图状态文本
  const getDrawingStatus = (): string => {
    if (!isDrawing.value) return '准备就绪';
    
    if (currentDrawingType.value === 'circle') {
      return '绘制圆形: 点击确定圆心，再次点击确定半径，右键完成';
    } else if (currentDrawingType.value === 'polygon') {
      return '绘制多边形: 点击添加顶点，右键完成绘制，ESC取消';
    }
    
    return '绘制中...';
  };

  // 格式化坐标显示
  const formatCoordinate = (coord: { longitude: number; latitude: number; height: number }): string => {
    return `经度: ${coord.longitude.toFixed(6)}\n纬度: ${coord.latitude.toFixed(6)}\n高程: ${coord.height.toFixed(2)}米`;
  };

  // 获取绘图信息显示文本
  const getDrawingInfoText = (): string => {
    if (!drawingInfo.value) return '';

    const info = drawingInfo.value;
    
    if (info.type === 'circle') {
      const center = info.properties.center;
      return `⭕ 圆形空域信息\n\n` +
             `📍 圆心坐标:\n${formatCoordinate(center)}\n\n` +
             `📏 半径: ${(info.radius! / 1000).toFixed(3)} km\n` +
             `📐 直径: ${(info.radius! * 2 / 1000).toFixed(3)} km\n` +
             `🔄 周长: ${(info.properties.circumference / 1000).toFixed(3)} km\n` +
             `📊 面积: ${(info.area / 1000000).toFixed(3)} km²`;
    } else {
      const bounds = info.properties.bounds;
      const center = info.properties.center;
      const boundaryPoints = info.properties.boundaryPoints;
      
      let text = `🔷 多边形空域信息\n\n` +
                `📍 中心点:\n${formatCoordinate(center)}\n\n` +
                `🗺️ 边界范围:\n` +
                `北: ${bounds.north.toFixed(6)}\n` +
                `南: ${bounds.south.toFixed(6)}\n` +
                `东: ${bounds.east.toFixed(6)}\n` +
                `西: ${bounds.west.toFixed(6)}\n\n` +
                `📏 尺寸:\n` +
                `宽度: ${(info.properties.width / 1000).toFixed(3)} km\n` +
                `高度: ${(info.properties.height / 1000).toFixed(3)} km\n` +
                `周长: ${(info.properties.perimeter / 1000).toFixed(3)} km\n` +
                `面积: ${(info.area / 1000000).toFixed(3)} km²\n\n` +
                `📍 边界顶点 (${boundaryPoints.length}个):\n`;
      
      // 添加前几个顶点信息，避免信息过长
      boundaryPoints.slice(0, 6).forEach((point, index) => {
        text += `顶点${index + 1}: ${point.longitude.toFixed(6)}, ${point.latitude.toFixed(6)}\n`;
      });
      
      if (boundaryPoints.length > 6) {
        text += `... 还有 ${boundaryPoints.length - 6} 个顶点`;
      }
      
      return text;
    }
  };


  const printSelectedDrawingInfo = (): void => {
    console.log('printSelectedDrawingInfo 被调用');
    console.log('drawingTool:', drawingTool);
    console.log('selectedDrawing:', selectedDrawing.value);
    
    const tool = getTool();
    if (!tool) {
      console.error('绘图工具未找到');
      return;
    }
    if (!selectedDrawing.value) {
      console.error('没有选中的空域');
      return;
    }
    
    console.log('开始打印空域信息...');
    tool.printDrawingInfo(selectedDrawing.value);
  };


    /**
   * 打印选中空域信息
   */
    // const printSelectedDrawingInfo = (): void => {
    //   const tool = getTool();
    //   if (!tool || !selectedDrawing.value) {
    //     console.warn('请先选择一个空域');
    //     return;
    //   }
    //   console.log('=== 打印选中空域信息 ===');
    //   tool.printDrawingInfo(selectedDrawing.value);
    // };

     // 辅助函数：安全地访问 drawingTool
      const getTool = () => {
        return drawingTool?.value;
      };
  
    /**
     * 打印所有空域信息
     */
    const printAllDrawingsInfo = (): void => {
      const tool = getTool();
      if (!tool) {
        console.warn('绘图工具未初始化');
        return;
      }
      console.log('=== 打印所有空域信息 ===');
      tool.printAllDrawingsInfo();
    };
  
    /**
     * 打印指定空域信息
     */
    const printDrawingInfo = (id: string): void => {
      const tool = getTool();
      if (!tool) {
        console.warn('绘图工具未初始化');
        return;
      }
      console.log(`=== 打印空域信息: ${id} ===`);
      tool.printDrawingInfo(id);
    };
  
    /**
     * 获取选中空域的JSON信息
     */
    const getSelectedDrawingJSON = (): any => {
      const tool = getTool();
      if (!tool || !selectedDrawing.value) return null;
      return tool.getDrawingInfoJSON(selectedDrawing.value);
    };
  
    /**
     * 获取所有空域的JSON信息
     */
    const getAllDrawingsJSON = (): any[] => {
      const tool = getTool();
      if (!tool) return [];
      return tool.getAllDrawingsInfoJSON();
    };
  
    /**
     * 导出选中空域信息为文本
     */
    // const exportSelectedDrawingAsText = (): string => {
    //   const tool = getTool();
    //   if (!tool || !selectedDrawing.value) return '';
    //   return tool.exportDrawingInfoAsText(selectedDrawing.value);
    // };


  return {
    isDrawing,
    currentDrawingType,
    drawings,
    selectedDrawing,
    drawingInfo,
    drawingOptions,
    startCircleDrawing,
    startPolygonDrawing,
    cancelDrawing,
    selectDrawing,
    deselectDrawing,
    removeDrawing,
    clearAllDrawings,
    flyToDrawing,
    updateDrawingOptions,
    exportDrawings,
    importDrawings,
    getDrawingStatus,
    getDrawingInfoText,
    formatCoordinate,
    // 新增的打印方法
    printSelectedDrawingInfo,
    printAllDrawingsInfo,
    printDrawingInfo,
    getSelectedDrawingJSON,
    getAllDrawingsJSON,
    exportSelectedDrawingAsText,
    flyToSelectedDrawing
  };
}