<template>
  <div :id="id" style="width: 100%; height: 100%"></div>
</template>
<script>
import * as echarts from 'echarts';
import { guid } from '@/utils/ruoyi';
import { reactive, toRefs, onMounted, watch } from 'vue';
export default {
  name: 'line-chart',
  props: {
    data: Object,
    refresh: Number,
  },
  setup(props) {
    const allData = reactive({
      series: [],
      legend: [],
      id: guid(),
      chart: null,
    });
    const resizeTheChart = () => {
      if (allData.chart) {
        allData.chart.resize();
      }
    };

    const init = () => {
      let chartDom = echarts.init(document.getElementById(allData.id));

      var shadowYData = [100, 100];
      var barTopColor = ['#fe7285FF', '#1f93ffFF', '#31e1adFF', '#e4cd61FF', '#12f9ffFF'];
      var barBottomColor = [
        'RGBA(154, 102, 125, 0.6)',
        'RGBA(17, 109, 182, 0.6)',
        'RGBA(27, 152, 136, 0.6)',
        'RGBA(126, 138, 92, 0.6)',
        'RGBA(10, 162, 178, 0.6)',
      ];
      var barWidth = 20;
      var option;
      option = {
        color: ['#3FFFC2', '#FFF21C'],
        tooltip: {
          trigger: 'axis',

          formatter: params => {
            // console.log(params);
            var relVal = '' + params[0].name;
            for (var i = 0, l = params.length; i < l; i++) {
              if (params[i].seriesName) {
                let unit = params[i].seriesName == '数量' ? '起' : '个';
                relVal += '<br/>' + params[i].marker + params[i].seriesName + ' ' + params[i].value + unit;
              }
            }
            return relVal;
          },
        },
        grid: {
          top: 50,
          bottom: 20,
        },
        xAxis: [
          {
            type: 'category',
            axisLine: {
              show: false,
              lineStyle: {
                width: 2,
                color: '#58b2ed',
              },
            },
            splitLine: {
              show: false,
            },
            axisTick: {
              show: false,
            },
            axisLabel: {
              color: 'rgba(255,255,255,1)',
              fontSize: 12,
              fontFamily: 'AlibabaPuHuiTi',
              formatter: function (params) {
                var str = ''; // 最终拼接成的字符串
                var paramsLen = params.length; // 获取每项文字的个数
                var len = 3; // 每行能显示的字的个数（根据实际情况自己设置）
                var rowNumber = Math.ceil(paramsLen / len); // 换行的话，需要显示几行，向上取整
                if (paramsLen > len) {
                  //大于设定的len就换行，不大于就不变化
                  for (var i = 0; i < rowNumber; i++) {
                    var temp = ''; // 表示每一次截取的字符串
                    var start = i * len; // 开始截取的位置
                    var end = start + len; // 结束截取的位置
                    if (i == rowNumber - 1) {
                      // 最后一次不换行
                      temp = params.substring(start, paramsLen);
                    } else {
                      // 每一次拼接字符串并换行
                      temp = params.substring(start, end) + '\n';
                    }
                    str += temp; // 最终拼成的字符串
                  }
                } else {
                  // 给新的字符串赋值
                  str = params;
                }
                return str; //返回字符串
              },
            },
            data: props.data.xAxis,
          },
        ],
        yAxis: [
          {
            name: '数量(起)',
            type: 'value',
            axisLabel: {
              color: '#3FFFC2',
              show: true,
            },
            nameTextStyle: {
              color: '#3FFFC2',
            },
            splitLine: {
              lineStyle: {
                type: 'dashed',
                color: '#3FFFC2',
              },
            },
            alignTicks: true,
          },
        ],
        dataZoom: [
          {
            // show: true,
            show: false,
            height: 4,
            bottom: 18,
            start: 0,
            end: 100,
            handleSize: '100%',
            fillerColor: '#94FA41',
            borderColor: 'transparent',
            backgroundColor: 'rgba(148, 250, 65, 0.2)',
            handleStyle: {
              color: '#94FA41',
            },
            moveHandleSize: 0,
            textStyle: {
              color: '#fff',
            },
          },
          {
            type: 'inside',
            show: true,
            height: 15,
            start: 1,
            end: 35,
          },
        ],
        series: [
          {
            name: '数量',
            type: 'pictorialBar',
            symbolSize: [barWidth, 10],
            symbolOffset: [0, -6],
            symbolPosition: 'end',
            z: 12,
            itemStyle: {
              normal: {
                color: function (params) {
                  return barTopColor[params.dataIndex];
                },
              },
            },
            data: props.data.yAxis,
          },
          {
            name: '',
            type: 'pictorialBar',
            symbolSize: [barWidth + 10, 15],
            symbolOffset: [0, 8],
            z: 10,
            itemStyle: {
              normal: {
                color: 'transparent',
                borderColor: barTopColor,
                borderType: 'solid',
                borderWidth: 10,
              },
            },
            data: props.data.yAxis,
          },
          {
            name: '',
            type: 'pictorialBar',
            symbolSize: [barWidth + 20, 20],
            symbolOffset: [0, 12],
            z: 12,
            itemStyle: {
              normal: {
                color: 'transparent',
                borderColor: barTopColor,
                borderType: 'solid',
                borderWidth: 10,
              },
            },
            data: props.data.yAxis,
            stack: 'check',
          },
          {
            name: '',
            type: 'pictorialBar',
            symbolSize: [barWidth + 25, 20],
            symbolOffset: [0, 12],
            z: 12,
            itemStyle: {
              normal: {
                color: 'transparent',
                borderColor: '#3ACDC5',
                borderType: 'solid',
                borderWidth: 10,
              },
            },
            data: props.data.yAxis,
            stack: 'check',
          },
          {
            name: '',
            type: 'bar',
            barWidth: barWidth,
            barGap: '10%', // Make series be overlap
            barCateGoryGap: '10%',
            itemStyle: {
              normal: {
                color: function (params) {
                  return new echarts.graphic.LinearGradient(0, 0, 0, 1, [
                    {
                      offset: 1,
                      color: barTopColor[params.dataIndex],
                    },
                    {
                      offset: 0,
                      color: barBottomColor[params.dataIndex],
                    },
                  ]);
                },
                opacity: 0.8,
              },
            },
            data: props.data.yAxis,
          },
          // {
          //   // smooth: true, //变为曲线 默认false折线
          //   name: "个数",
          //   type: "line",
          //   data: props.data.yAxis2,
          //   color: "#FFF21C",
          // },
        ],
      };
      option && chartDom.setOption(option, true);
      allData.chart = chartDom;
    };
    watch(
      () => props.refresh,
      () => {
        console.log(props, 'propspropsprops');
        if (allData.chartDom) {
          allData.chartDom.dispose();
          allData.chartDom = null;
        }
        setTimeout(() => {
          init();
        }, 0);
      }
    );
    onMounted(() => {
      init();
      window.addEventListener('resize', resizeTheChart);
    });
    return {
      ...toRefs(allData),
      resizeTheChart,
      init,
    };
  },
};
</script>