<template>
  <div class="calibration-container">
    <!-- 地图舞台容器 -->
    <div class="map-stage" ref="mapStage">
      <!-- 地图底层 -->
      <div class="map-canvas-wrapper" ref="mapWrapper">
        <OlMap 
          ref="olmap" 
          :width="olWidth + 'px'" 
          :height="olHeight + 'px'" 
          backgroundColor="#F5F5F5"
          :robotPoseData="laserPositionData" 
          :poseCalibrationIndex="nowCalibId"
          :showDefaultControls="false"
        />
      </div>
      
      <!-- 地图工具条 -->
      <MapToolbar 
        class="map-toolbar"
        :canAddCalibration="canAddCalibration"
        :hasRobotPosition="hasRobotPosition"
        :isFullscreen="isFullscreen"
        @zoom-in="handleZoomIn"
        @zoom-out="handleZoomOut"
        @center-to-robot="handleCenterToRobot"
        @toggle-fullscreen="handleToggleFullscreen"
        @add-calibration-point="addCalibration"
      />

      <!-- 右侧信息面板 (宽屏模式，浮层) -->
      <RightPanel 
        v-if="!isMobileMode"
        class="right-panel"
        :class="{ 'panel-collapsed': isPanelCollapsed }"
        :style="{ width: isPanelCollapsed ? '0px' : rightPanelWidth + 'px' }"
        :laserPositionData="laserPositionData"
        :gnssPositionData="gnssPositionData"
        :calibrationList="calibrationList"
        :currentMap="currentMap"
        :panelWidth="rightPanelWidth"
        @panel-toggle="handlePanelToggle"
        @panel-resize="handlePanelResize"
        @add-calibration="addCalibration"
        @remove-calibration="removeCalibration"
        @execute-calibration="executeCalibration"
      />

      <!-- 面板展开按钮 (面板收起时显示) -->
      <div 
        class="panel-reopen-btn" 
        v-if="shouldShowExpandButton"
        @click="expandPanel"
        title="展开面板"
      >
        <i class="el-icon-arrow-left"></i>
      </div>

      <!-- 右上角信息按钮 (窄屏模式) -->
      <div class="info-toggle-btn" v-if="isMobileMode" @click="showInfoDrawer">
        <el-button type="primary" icon="el-icon-info" circle size="small" />
      </div>
    </div>

    <!-- 抽屉模式 (窄屏) -->
    <el-drawer
      :visible.sync="drawerVisible"
      :direction="'rtl'"
      :modal="false"
      :size="'360px'"
      :with-header="false"
      custom-class="info-drawer"
      :wrapperClosable="false"
      v-if="isMobileMode"
    >
      <div class="drawer-content">
        <div class="drawer-header">
          <div class="drawer-title">
            <h3>实时标定信息</h3>
            <span class="map-name">(当前地图: {{ currentMap.name }})</span>
          </div>
          <el-button 
            @click="drawerVisible = false" 
            type="text" 
            size="mini" 
            icon="el-icon-close"
          />
        </div>
        
        <div class="drawer-body">
          <RightPanel 
            :laserPositionData="laserPositionData"
            :gnssPositionData="gnssPositionData"
            :calibrationList="calibrationList"
            :currentMap="currentMap"
            :isDrawerMode="true"
            @add-calibration="addCalibration"
            @remove-calibration="removeCalibration"
            @execute-calibration="executeCalibration"
            class="drawer-panel"
          />
        </div>
      </div>
    </el-drawer>
  </div>
</template>

<script>
import OlMap from "@/components/OlMap";
import RightPanel from "./components/RightPanel.vue";
import MapToolbar from "./components/MapToolbar.vue";

export default {
  name: "Calibration",
  components: {
    OlMap,
    RightPanel,
    MapToolbar
  },
  data() {
    return {
      // 弹出层标题
      title: "",
      calibrationList: [],
      // 激光定位数据
      laserPositionData: {
        x: 123.45,
        y: 678.90,
        angle: 45.2
      },
      // gnss定位数据
      gnssPositionData: {
        status: '卫星锁定',
        longitude: 121.473701,
        latitude: 31.230416,
        angle: 45.5
      },
      // 当前地图
      currentMap: {
        id: 1,
        name: 'sh02'
      },
      olWidth: 0,  // 用于存储宽度的变量
      olHeight: 0,
      nowCalibId: 0, // 当前标定点id
      
      // 布局相关状态
      rightPanelWidth: 360, // 右侧面板宽度
      isPanelCollapsed: false, // 面板是否折叠
      windowWidth: window.innerWidth, // 窗口宽度
      drawerVisible: false, // 抽屉是否可见
      isFullscreen: false, // 是否全屏状态
    };
  },
  computed: {
    // 是否为移动模式（窄屏）
    isMobileMode() {
      return this.windowWidth < 1440;
    },
    
    // 是否可以添加标定点
    canAddCalibration() {
      return this.laserPositionData.x !== 0 || this.laserPositionData.y !== 0;
    },
    
    // 是否有机器人位置数据
    hasRobotPosition() {
      return this.laserPositionData.x !== 0 || this.laserPositionData.y !== 0;
    },
    
    // 是否显示展开按钮
    shouldShowExpandButton() {
      return !this.isMobileMode && this.isPanelCollapsed;
    }
  },
  created() {
    // 从 localStorage 恢复状态
    const savedPanelWidth = localStorage.getItem('calibration-panel-width');
    const savedPanelCollapsed = localStorage.getItem('calibration-panel-collapsed');
    
    if (savedPanelWidth) {
      this.rightPanelWidth = Math.max(320, Math.min(420, parseInt(savedPanelWidth)));
    }
    if (savedPanelCollapsed) {
      this.isPanelCollapsed = savedPanelCollapsed === 'true';
    }
  },
  mounted() {
    const mapId = this.$route.params.mapId;
    this.updateOlCss();
    
    // 监听窗口大小变化
    window.addEventListener('resize', this.handleWindowResize);
    
    // 监听全屏状态变化
    document.addEventListener('fullscreenchange', this.handleFullscreenChange);
    document.addEventListener('webkitfullscreenchange', this.handleFullscreenChange);
    document.addEventListener('mozfullscreenchange', this.handleFullscreenChange);
    document.addEventListener('MSFullscreenChange', this.handleFullscreenChange);
    
    // 初始设置面板宽度
    this.updateRightPanelWidth();
    
    // 页面初始化完成
  },
  beforeDestroy() {
    window.removeEventListener('resize', this.handleWindowResize);
    document.removeEventListener('fullscreenchange', this.handleFullscreenChange);
    document.removeEventListener('webkitfullscreenchange', this.handleFullscreenChange);
    document.removeEventListener('mozfullscreenchange', this.handleFullscreenChange);
    document.removeEventListener('MSFullscreenChange', this.handleFullscreenChange);
  },
  methods: {
    updateOlCss() {
      this.$nextTick(() => {
        const mapStage = this.$refs.mapStage;
        if (mapStage) {
          this.olWidth = mapStage.offsetWidth;
          this.olHeight = mapStage.offsetHeight;
          
          // 触发地图重绘
          if (this.$refs.olmap && this.$refs.olmap.map) {
            this.$refs.olmap.map.updateSize();
          }
        }
      });
    },
    
    // 处理窗口大小变化
    handleWindowResize() {
      this.windowWidth = window.innerWidth;
      this.updateOlCss();
    },
    
    // 处理全屏状态变化
    handleFullscreenChange() {
      this.isFullscreen = !!(
        document.fullscreenElement ||
        document.webkitFullscreenElement ||
        document.mozFullScreenElement ||
        document.msFullscreenElement
      );
      
      // 全屏状态变化后触发地图重绘
      setTimeout(() => {
        this.updateOlCss();
      }, 100);
    },
    
    // 更新右侧面板宽度
    updateRightPanelWidth() {
      if (this.isMobileMode) {
        this.rightPanelWidth = 0;
      } else {
        const savedWidth = localStorage.getItem('calibration-panel-width');
        const savedCollapsed = localStorage.getItem('calibration-panel-collapsed');
        
        if (savedCollapsed === 'true') {
          this.isPanelCollapsed = true;
          this.rightPanelWidth = 360; // 保持原宽度，但面板是折叠状态
        } else if (savedWidth) {
          this.rightPanelWidth = Math.max(320, Math.min(420, parseInt(savedWidth)));
          this.isPanelCollapsed = false;
        } else {
          this.rightPanelWidth = 360;
          this.isPanelCollapsed = false;
        }
      }
      
      this.updateOlCss();
    },
    
    // 处理面板切换
    handlePanelToggle(isCollapsed) {
      this.isPanelCollapsed = isCollapsed;
      localStorage.setItem('calibration-panel-collapsed', String(isCollapsed));
      // 面板宽度不变，只是改变显示状态
      this.updateOlCss();
    },
    
    // 展开面板
    expandPanel() {
      this.isPanelCollapsed = false;
      localStorage.setItem('calibration-panel-collapsed', 'false');
      this.updateOlCss();
    },
    
    // 处理面板调整大小
    handlePanelResize(newWidth) {
      this.rightPanelWidth = newWidth;
      // 浮层模式下不需要重算地图尺寸
    },
    
    // 显示信息抽屉
    showInfoDrawer() {
      this.drawerVisible = true;
    },
    
    // 地图API适配器
    getMapInstance() {
      return this.$refs.olmap && this.$refs.olmap.map ? this.$refs.olmap.map : null;
    },
    
    // 地图工具条事件处理
    handleZoomIn() {
      try {
        const map = this.getMapInstance();
        if (map) {
          // OpenLayers API
          const view = map.getView();
          const currentZoom = view.getZoom();
          view.animate({
            zoom: currentZoom + 1,
            duration: 250
          });
        } else if (this.$refs.olmap && this.$refs.olmap.zoomIn) {
          // 备用方法
          this.$refs.olmap.zoomIn();
        }
      } catch (error) {
        console.warn('地图放大失败:', error);
        this.$message.warning('地图放大失败');
      }
    },
    
    handleZoomOut() {
      try {
        const map = this.getMapInstance();
        if (map) {
          // OpenLayers API
          const view = map.getView();
          const currentZoom = view.getZoom();
          view.animate({
            zoom: Math.max(currentZoom - 1, 1),
            duration: 250
          });
        } else if (this.$refs.olmap && this.$refs.olmap.zoomOut) {
          // 备用方法
          this.$refs.olmap.zoomOut();
        }
      } catch (error) {
        console.warn('地图缩小失败:', error);
        this.$message.warning('地图缩小失败');
      }
    },
    
    handleCenterToRobot() {
      try {
        if (!this.hasRobotPosition) {
          this.$message.warning('暂无机器人定位数据');
          return;
        }
        
        const map = this.getMapInstance();
        if (map) {
          // OpenLayers API
          const view = map.getView();
          view.animate({
            center: [this.laserPositionData.x, this.laserPositionData.y],
            zoom: Math.max(view.getZoom(), 15),
            duration: 500
          });
          this.$message.success('已定位到机器人位置');
        } else if (this.$refs.olmap && this.$refs.olmap.centerToRobot) {
          // 备用方法
          this.$refs.olmap.centerToRobot();
        }
      } catch (error) {
        console.warn('定位机器人失败:', error);
        this.$message.warning('定位机器人失败');
      }
    },
    
    handleToggleFullscreen() {
      try {
        const mapStage = this.$refs.mapStage;
        if (!mapStage) return;
        
        if (!this.isFullscreen) {
          // 进入全屏
          if (mapStage.requestFullscreen) {
            mapStage.requestFullscreen();
          } else if (mapStage.webkitRequestFullscreen) {
            mapStage.webkitRequestFullscreen();
          } else if (mapStage.mozRequestFullScreen) {
            mapStage.mozRequestFullScreen();
          } else if (mapStage.msRequestFullscreen) {
            mapStage.msRequestFullscreen();
          }
          this.isFullscreen = true;
        } else {
          // 退出全屏
          if (document.exitFullscreen) {
            document.exitFullscreen();
          } else if (document.webkitExitFullscreen) {
            document.webkitExitFullscreen();
          } else if (document.mozCancelFullScreen) {
            document.mozCancelFullScreen();
          } else if (document.msExitFullscreen) {
            document.msExitFullscreen();
          }
          this.isFullscreen = false;
        }
        
        // 延迟触发地图重绘
        setTimeout(() => {
          this.updateOlCss();
        }, 100);
        
      } catch (error) {
        console.warn('全屏切换失败:', error);
        this.$message.warning('全屏功能不可用');
      }
    },
    
    // 添加标定
    addCalibration() {
      // 需要获取无人车实时坐标, 现在先写死
      this.nowCalibId = this.calibrationList.length > 0 ? this.calibrationList[this.calibrationList.length - 1].id + 1 : 1;
      let coordinate = `${this.laserPositionData.x},${this.laserPositionData.y}`
      let data = { id: this.nowCalibId, coordinate: coordinate, angle: this.laserPositionData.angle }
      this.calibrationList.push(data)
    },
    
    // 移除标定
    removeCalibration(id) {
      if (this.calibrationList.length < 1) {
        return;
      }
      this.calibrationList = this.calibrationList.filter(item => item.id !== id);
      // 删除图标
      this.nowCalibId = - id;
    },
    
    // 一键标定
    executeCalibration() {
      if (this.calibrationList.length < 1) {
        this.$message('请添加标定点!');
        return;
      }
      this.$modal.msgSuccess("标定执行成功");
    }
  },
  
  watch: {
    // 监听窗口宽度变化，自动切换模式
    windowWidth(newWidth) {
      if (newWidth < 1440 && !this.isMobileMode) {
        // 切换到移动模式时关闭抽屉
        this.drawerVisible = false;
      }
      this.updateRightPanelWidth();
    },
    
    // 监听抽屉开关状态，确保地图重绘
    drawerVisible() {
      this.$nextTick(() => {
        this.updateOlCss();
      });
    }
  }
};
</script>

<style lang="scss" scoped>
.calibration-container {
  width: 100%;
  height: calc(100vh - 84px);
  min-height: 600px;
  background: var(--color-bg-secondary);
  position: relative;
  overflow: hidden;

  .map-stage {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);

    .map-canvas-wrapper {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 1;
    }

    .map-toolbar {
      position: absolute;
      left: 16px;
      top: 16px;
      z-index: 11;
      pointer-events: auto;
    }

    .right-panel {
      position: absolute;
      right: 16px;
      top: 16px;
      height: calc(100% - 32px);
      z-index: 10;
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-xl);
      background: var(--color-bg-card);
      display: flex;
      flex-direction: column;
      pointer-events: auto;
      transition: all var(--duration-200) var(--ease-out);

      &.panel-collapsed {
        width: 0 !important;
        opacity: 0;
        pointer-events: none;
        overflow: hidden;
      }
    }

    .panel-reopen-btn {
      position: absolute;
      right: 0;
      top: 50%;
      transform: translateY(-50%);
      z-index: 12;
      width: 36px;
      height: 72px;
      background: var(--color-bg-card);
      border: 1px solid var(--color-border-primary);
      border-radius: 8px 0 0 8px;
      box-shadow: var(--shadow-lg);
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--color-text-secondary);
      transition: all var(--duration-200) var(--ease-out);
      pointer-events: auto;

      &:hover {
        background: var(--color-primary);
        color: var(--color-text-inverse);
        border-color: var(--color-primary);
        transform: translateY(-50%) translateX(-2px);
        box-shadow: var(--shadow-xl);
      }

      i {
        font-size: var(--font-size-lg);
        font-weight: bold;
      }
    }

    .info-toggle-btn {
      position: absolute;
      top: 16px;
      right: 16px;
      z-index: 10;
      pointer-events: auto;
      
      .el-button {
        box-shadow: var(--shadow-lg);
      }
    }
  }
}

/* 抽屉样式 */
.drawer-content {
  height: 100%;
  display: flex;
  flex-direction: column;
  background: var(--color-bg-card);

  .drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--color-border-secondary);
    background: var(--color-bg-tertiary);

    .drawer-title {
      h3 {
        margin: 0;
        font-size: var(--font-size-lg);
        font-weight: var(--font-weight-semibold);
        color: var(--color-text-primary);
        line-height: var(--line-height-tight);
      }

      .map-name {
        font-size: var(--font-size-xs);
        color: var(--color-danger);
        margin-left: var(--spacing-2);
      }
    }
  }

  .drawer-body {
    flex: 1;
    overflow: hidden;

    .drawer-panel {
      height: 100%;
      
      ::v-deep .panel-header {
        display: none; /* 隐藏面板头部，使用抽屉头部 */
      }
      
      ::v-deep .panel-content {
        height: 100%;
        padding: var(--spacing-4);
      }

      ::v-deep .resize-handle {
        display: none; /* 抽屉模式下隐藏调整手柄 */
      }
    }
  }
}

/* 响应式设计 */
@media (max-width: 1439px) {
  .calibration-container {
    .map-stage {
      .right-panel {
        display: none; /* 窄屏时隐藏固定面板 */
      }
    }
  }
}

@media (max-width: 768px) {
  .calibration-container {
    height: calc(100vh - 60px);
    
    .map-stage {
      border-radius: 0;

      .map-toolbar {
        left: 12px;
        top: 12px;
      }

      .panel-reopen-btn {
        width: 32px;
        height: 60px;
      }

      .info-toggle-btn {
        top: 12px;
        right: 12px;
      }
    }
  }
}

/* 动画效果 */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.calibration-container {
  animation: slideInUp 0.3s ease-out;
}

.info-toggle-btn {
  animation: slideInRight 0.3s ease-out 0.2s both;
}

/* 暗色主题适配 */
html.dark {
  .calibration-container {
    .map-stage {
      background: var(--color-bg-tertiary);
      box-shadow: var(--shadow-card);

      .right-panel {
        background: var(--color-bg-tertiary);
        border-color: var(--color-border-tertiary);
        box-shadow: var(--shadow-xl);
      }

      .panel-reopen-btn {
        background: var(--color-bg-tertiary);
        border-color: var(--color-border-tertiary);

        &:hover {
          background: var(--color-primary);
          border-color: var(--color-primary);
        }
      }
    }
  }

  .drawer-content {
    background: var(--color-bg-tertiary);

    .drawer-header {
      background: var(--color-bg-quaternary);
      border-bottom-color: var(--color-border-tertiary);
    }
  }
}
</style>

<style>
/* 全局抽屉样式 */
.info-drawer {
  background-color: var(--color-bg-card);
  box-shadow: var(--shadow-xl);
  border-radius: var(--radius-lg) 0 0 var(--radius-lg);
}

.info-drawer .el-drawer__body {
  padding: 0;
  height: 100%;
  overflow: hidden;
}

/* 暗色主题抽屉样式 */
html.dark .info-drawer {
  background-color: var(--color-bg-tertiary);
  box-shadow: var(--shadow-xl);
}
</style>