<script setup>
import { BaseEdge, EdgeLabelRenderer, getBezierPath, useVueFlow } from '@vue-flow/core'
import { computed } from 'vue'

const props = defineProps({
  id: {
    type: String,
    required: true,
  },
  sourceX: {
    type: Number,
    required: true,
  },
  sourceY: {
    type: Number,
    required: true,
  },
  targetX: {
    type: Number,
    required: true,
  },
  targetY: {
    type: Number,
    required: true,
  },
  sourcePosition: {
    type: String,
    required: true,
  },
  targetPosition: {
    type: String,
    required: true,
  },
  markerEnd: {
    type: String,
    required: false,
  },
  style: {
    type: Object,
    required: false,
  },
})

const { removeEdges } = useVueFlow()

const path = computed(() => getBezierPath(props))
</script>

<script>
export default {
  inheritAttrs: false,
}
</script>

<template>
  <BaseEdge :id="id" :style="style" :path="path[0]" :marker-end="markerEnd" />
  <EdgeLabelRenderer>
    <div
      :style="{
        pointerEvents: 'all',
        position: 'absolute',
        transform: `translate(-50%, -50%) translate(${path[1]}px,${path[2]}px)`,
      }"
      class="nodrag nopan"
    >
      <el-popconfirm 
        title="确定要删除这条连线吗？" 
        @confirm="removeEdges(id)"
      >
        <template #reference>
          <el-icon class="edge-icon"><Delete/></el-icon>
        </template>
      </el-popconfirm>
    </div>
  </EdgeLabelRenderer>
</template>
<style scoped>
.edge-icon {
  background: white;
  border-radius: 50%;
  padding: 2px;
  cursor: pointer;
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.2);
}
</style>
