<template>
  <a-dropdown :trigger="['contextmenu']" @openChange="handleVisibleChange">
    <a-card
      :class="[
        'ks-scenario-node',
        `ks-scenario-${element?.category ?? 'model'}-node`
      ]"
      hoverable
    >
      <template #title>
        <a-space>
          <span class="ks-scenario-node-title">{{ element?.description ?? element?.name ?? '-' }}</span>
        </a-space>
      </template>

      <!-- 节点内容区域 -->
      <div class="w-full">
        <div class="ks-scenario-node-content">
          <div
            v-for="(item, index) in element?.components || []"
            :key="item.id || index"
            class="ks-scenario-node-row"
          >
            <div
              :data-port="`in-${item.id || index}`"
              :title="`入桩: ${item.name}`"
              class="port port-in"
              magnet="passive"
            >
              <div class="triangle-left"></div>
            </div>

            <!-- child名称 -->
            <div class="ks-scenario-node-name">
              {{ substring(item.description ?? item.name, 20) }}
            </div>

            <!-- 右侧出桩：只能作为连线源 -->
            <div
              :data-port="`out-${item.id || index}`"
              :title="`出桩: ${item.name}`"
              class="port port-out"
              magnet="active"
            >
              <div class="triangle-right" ></div>
            </div>
          </div>
        </div>
      </div>
    </a-card>

    <template #overlay>
      <a-menu @click="handleMenuClick">
        <a-menu-item key="delete">
          <template #icon>
            <DeleteOutlined />
          </template>
          删除
        </a-menu-item>
      </a-menu>
    </template>
  </a-dropdown>
</template>

<script lang="ts">
import { defineComponent, onMounted, onUnmounted, ref } from 'vue';
import { elementProps, type ModelElement } from '../graph';

import { DeleteOutlined, SettingOutlined } from '@ant-design/icons-vue';
import type { Graph } from '@antv/x6';
import { substring } from '@/utils/strings';

export default defineComponent({
  name: 'ModelElement',
  components: {
    SettingOutlined,
    DeleteOutlined,
  },
  props: elementProps,
  setup(_props) {
    const element = ref<ModelElement | null>(
      _props.node ? (_props.node.getData() as ModelElement) : null,
    );
    const updateKey = ref(0);
    const isMenuVisible = ref(false);

    // 获取画布实例
    const getGraph = (): Graph | null => {
      return _props.graph as Graph || null;
    };

    // 监听节点数据变化
    const handleDataChange = () => {
      if (_props.node) {
        element.value = _props.node.getData() as ModelElement;
      } else {
        element.value = null;
      }
      updateKey.value++;
    };

    const handleVisibleChange = (visible: boolean) => {
      isMenuVisible.value = visible;
    };

    const handleMenuClick = ({ key }: { key: string }) => {
      if (key === 'delete') {
        handleDelete();
      }
    };

    const handleDelete = () => {
      if (!_props.node) return;

      const graph = getGraph();
      if (graph) {
        try {
          // 先删除关联边
          const connectedEdges = graph.getConnectedEdges(_props.node);
          connectedEdges.forEach(edge => graph.removeEdge(edge));
          // 再删除节点
          graph.removeNode(_props.node);
          console.info(`节点 ${_props.node.id} 已删除`);
        } catch (error) {
          console.error('删除节点失败:', error);
        }
      }
      isMenuVisible.value = false;
    };

    onMounted(() => {
      _props.node?.on('change:data', handleDataChange);
      console.error('element',element.value)
    });

    onUnmounted(() => {
      _props.node?.off('change:data', handleDataChange);
    });

    return {
      element,
      substring,
      handleMenuClick,
      handleVisibleChange,
    };
  },
});
</script>

<style lang="less">
.ks-scenario-node {
  background: linear-gradient(150deg, rgba(108, 99, 255) 1%, rgba(108, 99, 255) 100%);
  border-radius: 8px;
  width: 100%;
  height: 100%;
  cursor: pointer;
  position: relative;
  background: #1e2533;
  border: 1px solid #4a7aff;

  border: 2px solid #000000;

  &:hover {
    border: 2px solid #4a7aff;
    box-shadow: 0 0 10px rgba(74, 122, 255, 0.3);
  }

  .ant-card-head {
    border: 0;
    height: 28px;
    min-height: 25px;
    border-radius: 0;
    color: #fff;
    font-size: 12px;
    font-weight: normal;
    padding: 0 20px;
    //background: linear-gradient(to bottom, #3a4c70, #2d3a56);
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    background: linear-gradient(to bottom, rgba(108, 99, 255, 0.15), rgba(108, 99, 255, 0.05));
    //background: url('@/assets/icons/bg-node-head.png') center / 100% 100%;
    //background: linear-gradient(to bottom, rgb(234 234 234 / 20%), rgb(191 191 191 / 58%));
    background: url('@/assets/icons/card-head-red.png') center / 100% 100%;
  }

  .ks-scenario-node-icon {
    width: 15px;
    height: 15px;
    display: block;
    position: absolute;
    left: 8px;
    top: 6px;
    background: url('@/assets/icons/icon-node.svg') center / 100% 100%;
  }

  .ks-scenario-node-title {
    font-size: 12px;
    color: #fff;
    margin-top: -7px;
    display: block;
  }

  .ant-card-body {
    color: #f5f5f5;
    height: calc(100% - 25px);
    border-radius: 0;
    font-size: 12px;
    padding: 10px 30px !important;
    //border-top: 1px solid rgba(108, 99, 255, 0.5);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    box-shadow: 0 0 10px rgba(74, 122, 255, 0.3);

    white-space: normal;      // 恢复默认的换行行为
    word-wrap: break-word;    // 允许长单词换行
    word-break: break-all;    // 允许在任意字符处换行
    line-height: 1.4;         // 增加行高提升可读性
    box-shadow: 0 0 10px rgba(74, 122, 255, 0.3);
  }


  // 连接桩容器样式
  .ks-scenario-node-content {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .ks-scenario-node-row {
    width: 100%;
    display: flex;
    align-items: center;
    position: relative;
    min-height: 24px;
  }

  .port {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    cursor: crosshair;
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgb(108, 99, 255, 0.8);
    z-index: 10;
    magnet: true;
    position: relative;

    .triangle-left {
      width: 0;
      height: 0;
      border-top: 4px solid transparent;
      border-right: 5px solid #5da1df;
      border-bottom: 4px solid transparent;
      position: absolute;
      left: -8px;
      top: 0.5px;
      magnet: passive;
    }

    /* 右三角形 */
    .triangle-right {
      width: 0;
      height: 0;
      border-top: 4px solid transparent;
      border-left: 5px solid #5da1df;
      border-bottom: 4px solid transparent;
      position: absolute;
      right: -8px;
      top: 0.5px;
      magnet: passive;
    }

  }

  // 左侧入桩样式
  .port-in {
    //background-color: #3c82f6;
    margin-right: 8px;
    //border: 1px solid #093866;
    magnet: passive;
    box-shadow: none;
    width: 13px;
    height: 13px;
    display: block;
    //background: url('@/assets/icons/point.svg') center / 100% 100%;
    border: 2px solid #5da1df;

    position: absolute;
    //top: 7px;
    left: -17px;
  }

  .port-out {
    margin-left: 8px;
    margin-right: 5px;
    magnet: active;
    box-shadow: none;
    width: 13px;
    height: 13px;
    display: block;
    border: 2px solid #5da1df;
    background:#5da1df;

    position: absolute;
    right: -17px;
  }

  // 节点文本样式
  .ks-scenario-node-name {
    flex: 1;
    line-height: 24px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

}
</style>