<script setup lang="ts">
import { onMounted, reactive } from 'vue';

// type
import { X6NodesType, X6EdgesType } from '../../type';
// antv/x6
import { Graph } from '@antv/x6';

const data = reactive({
  value: {
    // 节点
    nodes: [
      {
        id: 'node1', // String，可选，节点的唯一标识
        shape: 'rect', // 默认值 rect 矩形
        x: 0, // Number，必选，节点位置的 x 值
        y: 0, // Number，必选，节点位置的 y 值
        width: 80, // Number，可选，节点大小的 width 值
        height: 40, // Number，可选，节点大小的 height 值
        label: '节点1', // String，节点标签
      },
      {
        id: 'node2', // String，节点的唯一标识
        x: 160, // Number，必选，节点位置的 x 值
        y: 180, // Number，必选，节点位置的 y 值
        width: 80, // Number，可选，节点大小的 width 值
        height: 40, // Number，可选，节点大小的 height 值
        label: '节点2', // String，节点标签
      },
      {
        id: 'node3',
        x: 200,
        y: 200,
        width: 80,
        height: 40,
        label: '节点3',
      },
    ] as X6NodesType[],
    // 边
    edges: [
      {
        source: 'node1', // String，必须，起始节点 id
        target: 'node2', // String，必须，目标节点 id
      },
      {
        source: 'node2',
        target: 'node3',
      },
    ] as X6EdgesType[],
  },
});

const actDom = reactive({
  show: false,
  x: 0,
  y: 0,
});

const currentNode = reactive({
  value: {} as any,
});

const state = reactive({
  graph: null as any,
});

onMounted(() => {
  initGraph();
});

function initGraph() {
  let dom = document.getElementById('x6-container') as HTMLElement;
  const graph = new Graph({
    container: dom,
    background: {
      color: '#fffbe6', // 设置画布背景颜色
    },
    grid: {
      size: 10, // 网格大小 10px
      visible: true, // 渲染网格背景
    },
  });
  graph.fromJSON(data.value);
  state.graph = graph;

  cellClick(graph);
  nodeContextmenu(graph);
  blankClick(graph);
}

function cellClick(graph: any) {
  graph.on('cell:click', () => {
    resetActDom();
  });
}

// 右键点击节点
function nodeContextmenu(graph: any) {
  graph.on('node:contextmenu', ({ e, x, y, cell, view }: any) => {
    console.log('e >>>>', e);
    console.log('x >>>>', x);
    console.log('y >>>>', y);
    console.log('cell >>>>', cell);
    console.log('view >>>>', view);
    currentNode.value.e = e;
    currentNode.value.x = x;
    currentNode.value.y = y;
    currentNode.value.cell = cell;
    currentNode.value.view = view;

    actDom.x = x;
    actDom.y = y;
    actDom.show = true;
  });
}

// 点击画布空白区域
function blankClick(graph: any) {
  graph.on('blank:click', () => {
    resetActDom();
  });
}

// 添加子节点
function addChildNode() {
  console.log('添加子节点 >>>>', currentNode.value);
  console.log('data >>>>', data);
  resetActDom();

  // state.graph.fromJSON(state.graph.toJSON());
  // data.value.nodes.push({
  //   id: 'node4',
  //   x: 400,
  //   y: 400,
  //   width: 80,
  //   height: 40,
  //   label: '节点4',
  // });

  // data.value.edges.push({
  //   source: 'node3',
  //   target: 'node4',
  // });
  console.log('序列化 >>>>', state.graph.toJSON());
  // state.graph.fromJSON(data.value);
}

// 删除节点
function delNode() {
  console.log('删除节点 >>>>', currentNode.value);
  resetActDom();
}

function resetActDom() {
  actDom.show = false;
  actDom.x = 0;
  actDom.y = 0;
  currentNode.value = {};
}
</script>
<template>
  <div class="x6-box">
    <div id="x6-container"></div>
    <div
      v-if="actDom.show"
      class="action-box shadow-13"
      :style="{ transform: `translate(${actDom.x}px, ${actDom.y}px)` }"
    >
      <q-list dense separator>
        <q-item clickable @click="addChildNode">
          <q-item-section> 添加子节点 </q-item-section>
        </q-item>

        <q-item clickable>
          <q-item-section @click="delNode"> 删除节点 </q-item-section>
        </q-item>
      </q-list>
    </div>
  </div>
</template>

<style lang="scss" scoped>
.x6-box {
  position: relative;
}
#x6-container {
  width: 800px;
  height: 400px;
}
.action-box {
  position: absolute;
  top: 0;
  left: 0;
  min-width: 100px;
  min-height: 64px;
  border: 1px solid rgba(8, 8, 8, 0.13);
  background-color: #fff;
  border-radius: 5px;
}
</style>