<template>
  <div class="detailNode-component">
    <img src="@/assets/images/icon/goback.png" alt="" class="goback" @click="handleGoback" />
    <div class="graph-container" id="container"></div>
    <div class="statistic-container">
      <div class="statistics-item" v-for="item in statisticsList" :key="item.id">
        <img :src="item.icon" class="icon" />
        <div class="name">{{ item.name }}:&nbsp;</div>
        <div class="count">{{ item.count }}</div>
      </div>
    </div>
    <div class="time-axis"></div>
  </div>
</template>

<script setup>
import nodePrefix from "@/assets/images/linkPrediction/icon/node-count-prefix.png"
import communityPrefix from "@/assets/images/linkPrediction/icon/community-count-prefix.png"
import hiddenPrefix from "@/assets/images/linkPrediction/icon/hidden-count-prefix.png"
import { defineProps, defineEmits, onMounted, ref } from "vue"
import nodeHoverImg from "@/assets/images/nodeHover.png"
import * as echarts from "echarts"
const statisticsList = [
  { id: 1, icon: nodePrefix, name: "节点数", key: "nodesCount", count: 3000 },
  { id: 2, icon: communityPrefix, name: "社团数", key: "groupCount", count: 1000 },
  { id: 3, icon: hiddenPrefix, name: "隐关系数", key: "hiddenInteractionCount", count: 1000 }
]
const props = defineProps({
  detailNode: {
    type: Array,
    default: () => []
  }
})

const curDetailNode = ref(props.detailNode)

const emit = defineEmits(["click:goback"])
const handleGoback = () => {
  emit("click:goback", "CommunityNode")
}

let chart = null

const initChart = async () => {
  chart = echarts.init(document.getElementById("container"))

  const links = []
  const nodes = []
  if (!Object.keys(curDetailNode.value).length) return
  Object.entries(curDetailNode.value).forEach(([parentId, children]) => {
    nodes.push({
      id: `parent_${parentId}`,
      name: parentId
    })
    children.forEach((child) => {
      if (!nodes.some((n) => n.id === child.id)) {
        nodes.push(child)
      }
      links.push({
        source: `parent_${parentId}`,
        target: child.id,
        edge: child.isHidden ? 1 : 0,
        interactionTimes: child.interactionTime
      })
    })
  })
  const data = { links, nodes }

  const categories = [
    { name: "事件活跃者", category: 0 },
    { name: "信息发布者", category: 1 },
    { name: "互动关系", category: 2 },
    { name: "互动隐关系", category: 3 }
  ]
  const option = {
    //图例配置
    legend: [
      {
        data: categories.map((c) => ({
          name: c.name,
          itemStyle: {
            color:
              c.category === 0
                ? new echarts.graphic.LinearGradient(1, 0, 0, 0, [
                    { offset: 1, color: "#1a3860" }, // 深蓝渐变
                    { offset: 0.5, color: "#38546b" },
                    { offset: 0, color: "#5fb3b3" }
                  ])
                : c.category === 1
                  ? new echarts.graphic.LinearGradient(1, 0, 0, 0, [
                      { offset: 0, color: "#9eec9c" }, // 绿色渐变
                      { offset: 0.37, color: "#aef295" },
                      { offset: 1, color: "#c2f989" }
                    ])
                  : new echarts.graphic.LinearGradient(1, 0, 0, 0, [
                      { offset: 0, color: "#ff9a9e" }, // 红色渐变（用于 category === 2）
                      { offset: 0.5, color: "#fad0c4" },
                      { offset: 1, color: "#fbc2eb" }
                    ])
          }
        })),
        right: 21,
        bottom: 70,
        icon: "circle",
        orient: "vertical",
        itemWidth: 16,
        itemHeight: 16,
        itemGap: 12,
        backgroundColor: "rgba(0,67,125,0.56)", // 半透明深蓝
        borderRadius: 8, // 圆角
        borderColor: "#c2f2ff", // 淡蓝色边框
        borderWidth: 0.3,
        padding: [12, 20, 12, 20], // 上右下左
        textStyle: {
          color: "#fff",
          fontSize: 16,
          fontWeight: "normal"
        }
      }
    ],
    //hover上去的窗口
    tooltip: {
      trigger: "item",
      backgroundColor: "rgba(0,0,0,0)", // 透明背景
      borderColor: "rgba(0,0,0,0)", // 透明边框
      borderWidth: 0,
      extraCssText: "box-shadow:none;padding:0;",
      formatter: function (params) {
        if (params.dataType === "node") {
          return `<div
                    style="
                   padding:10px 15px;
                    height: 68px;
                    border-radius: 4px;
                    background: url('${nodeHoverImg}');
                    background-size: cover;
                    background-position: center;
                    background-repeat: no-repeat;
                    display: flex;
                    align-items: center;
                    justify-content: center;
                    flex-direction: column;
                    ">
                <div style="color:#fff;letter-spacing: 0.14px;">
                    <div >用户ID：${params.data.id}</div>
              </div>
            </div>`
        }
        return ""
      }
    },
    edgeLabel: {
      show: false,
      position: "middle",
      formatter: function (params) {
        return params.data.edge
      },
      fontSize: 14
    },
    emphasis: {
      edgeLabel: {
        show: true,
        color: "#fff",
        fontSize: 18,
        textShadowColor: "#fff",
        textShadowBlur: 0,
        textShadowOffsetX: 0,
        textShadowOffsetY: 0
      }
    },
    series: [
      {
        type: "graph",
        layout: "force",
        animation: false,
        draggable: true,
        roam: true,
        zoom: 0.3,
        categories: categories,

        force: {
          edgeLength: 2500,
          repulsion: 4000,
          gravity: 0.4,
          friction: 0.02,
          coolingFactor: 0.1
        },

        animationDurationUpdate: 3500, // 节点移动更平滑
        data: data.nodes.map((node) => ({
          ...node,
          symbolSize: 40,
          itemStyle: {
            color: new echarts.graphic.RadialGradient(0.98, 0.38, 0.9, [
              { offset: 1, color: "#1a3860" }, // 最左侧
              { offset: 0.5, color: "#38546b" }, // 中间
              { offset: 0, color: "#5fb3b3" } // 最右侧
            ]),

            opacity: 1,
            borderColor: "#46C6AD",
            borderWidth: 1,
            shadowBlur: 4,
            borderType: "dashed",
            shadowColor: "rgba(19, 27, 114, 0.25)"
          },
          emphasis: {
            itemStyle: {
              shadowBlur: 20,
              shadowColor: "#c4a651",
              borderColor: "#fcd267",
              borderWidth: 1,
              borderType: "solid"
            }
          }
        })),
        links: data.links,
        lineStyle: {
          color: "#37ACD7",
          width: 1
        }
      }
    ]
  }
  chart.setOption(option)
}

onMounted(() => {
  initChart()
})
</script>

<style scoped lang="less">
.detailNode-component {
  width: 100%;
  height: 100%;
  position: relative;
  .goback {
    position: absolute;
    top: -25px;
    left: 20px;
    cursor: pointer;
  }
  .graph-container {
    width: 100%;
    height: 93%;
  }
  .statistic-container {
    width: 378px;
    height: 42px;
    flex-shrink: 0;
    border-radius: 4px;
    border: 1px solid #3aa1f8;
    background: linear-gradient(270deg, rgba(0, 82, 125, 0.48) 0%, rgba(0, 200, 255, 0.23) 100%);
    backdrop-filter: blur(3px);
    position: absolute;
    bottom: 105px;
    left: 21px;
    display: flex;
    justify-content: space-between;
    .statistics-item {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      .icon {
        width: 14px;
        height: 14px;
      }
      .name {
        color: rgba(255, 255, 255, 0.76);
        text-align: center;
        font-family: OPPOSans;
        font-size: 14px;
        font-style: normal;
        font-weight: 400;
        line-height: normal;
        margin-left: 3px;
      }
      .count {
        color: #fff;
        font-family: D-DIN;
        font-size: 15px;
        font-style: normal;
        font-weight: 700;
        line-height: normal;
        margin-bottom: 2px;
      }
    }
  }
  .time-axis {
    width: 95%;
    height: 42px;
    border: 1px solid #3aa1f8;
    background: linear-gradient(270deg, rgba(0, 82, 125, 0.48) 0%, rgba(0, 200, 255, 0.23) 100%);
    backdrop-filter: blur(3px);
    position: absolute;
    left: 20px;
    bottom: 50px;
    border-radius: 4px;
    z-index: 1;
  }
}
</style>
