<template>
  <div :style="styleObj">
    <v-chart :options="options" autoresize/>
  </div>
</template>

<script>
export default {
  name: "WidgetBarCompareChart",
  //参考 https://www.makeapie.com/editor.html?c=xrJwcCF3NZ
  components: {},
  props: {
    value: Object,
    ispreview: Boolean
  },
  data() {
    return {
      options: {
        title: {
          //text: '柱状对比图',
          x: 'center',
          textStyle: {
            color: '#ffffff',
          },
        },
        //边距
        grid: [
          {//左
            show: false,//边框线
            left: '4%',
            top: 60,
            bottom: 10,
            containLabel: true,
            width: '40%'
          },
          {//中间字体位置
            show: false,
            left: '50.5%',
            top: 60,
            bottom: 25,
            width: '0%'
          },
          {//右
            show: false,
            right: '4%',
            top: 60,
            bottom: 10,
            containLabel: true,
            width: '40%'
          },
        ],
        //图例
        legend: {
          textStyle: {
            color: '#fff',
            textAlign: 'center'
          },
          //itemGap:80,
          //itemWidth: 0
        },
        xAxis: [
          {// 左
            splitNumber: 2,
            show: true,
            type: 'value',
            inverse: true,
            axisLine: {//底分割线
              show: false,
            },
            axisTick: {
              show: false,
            },
            position: 'bottom',
            axisLabel: { // x轴
              show: true,
              textStyle: {
                color: '#ffffff',
                fontSize: 12
              }
            },
            splitLine: { // 竖分割线
              show: true,
              lineStyle: {
                color: '#57617f',
                width: 1,
                type: 'solid'
              }
            }
          },
          {
            gridIndex: 1,
            show: false,
          },
          {// 右
            gridIndex: 2,
            show: true,
            type: 'value',
            axisLine: {
              show: false,
            },
            axisTick: {
              show: false,
            },
            position: 'bottom',
            axisLabel: {
              show: true,
              textStyle: {
                color: '#ffffff',
                fontSize: 12,
              },
            },
            splitLine: {
              show: true,
              lineStyle: {
                color: '#57617f',
                width: 1,
                type: 'solid',
              },
            },
          },
        ],
        yAxis: [
          {
            type: 'category',
            inverse: true,
            position: 'right',
            axisLine: {
              show: false,
            },
            axisTick: {
              show: false
            },
            axisLabel: {
              show: false,
            },
            data: [],
          },
          {//处理轴数据
            gridIndex: 1,
            type: 'category',
            inverse: true,
            position: 'left',
            axisLine: {
              show: false
            },
            axisTick: {
              show: false
            },
            axisLabel: {
              show: true,
              textStyle: {
                align: 'center',
                color: '#ffffff',
                fontSize: 14,
              }
            },
            data: [],
          },
          {
            gridIndex: 2,
            type: 'category',
            inverse: true,
            position: 'left',
            axisLine: {
              show: false
            },
            axisTick: {
              show: false
            },
            axisLabel: {
              show: false,
            },
          },
        ],
        series: [
          {
            name: '',
            type: 'bar',
            barGap: 20,
            barWidth: 15,
            label: {
              normal: {
                show: true,
                color: 'red',
                position: 'insideLeft',
                textStyle: {
                  color: '#ffffff',
                }

              },
              emphasis: {
                show: false,
              },
            },
            itemStyle: {
              normal: {
                color: '#36c5e7',
                barBorderRadius: [8, 0, 0, 8],
              },
              emphasis: {
                show: false,
              },
            },
            data: [],
          },
          {
            name: '',
            type: 'bar',
            barGap: 20,
            barWidth: 15,
            xAxisIndex: 2,
            yAxisIndex: 2,
            label: {
              normal: {
                show: true,
                color: 'red',
                position: 'insideRight',
                textStyle: {
                  color: '#ffffff',
                }
              },
            },
            itemStyle: {
              normal: {
                color: '#e68b55',
                barBorderRadius: [0, 8, 8, 0],
              },
              emphasis: {
                show: false,
              },
            },
            data: [],
          },
        ]
      },
      optionsStyle: {},
      optionsData: {},
      optionsSetup: {},
      flagInter: null
    };
  },
  computed: {
    styleObj() {
      return {
        position: this.ispreview ? "absolute" : "static",
        width: this.optionsStyle.width + "px",
        height: this.optionsStyle.height + "px",
        left: this.optionsStyle.left + "px",
        top: this.optionsStyle.top + "px",
        background: this.optionsSetup.background
      };
    }
  },
  watch: {
    value: {
      handler(val) {
        this.optionsStyle = val.position;
        this.optionsData = val.data;
        this.optionsCollapse = val.setup;
        this.optionsSetup = val.setup;
        this.editorOptions();
      },
      deep: true
    }
  },
  mounted() {
    this.optionsStyle = this.value.position;
    this.optionsData = this.value.data;
    this.optionsCollapse = this.value.setup;
    this.optionsSetup = this.value.setup;
    this.editorOptions();
  },
  methods: {
    // 修改图标options属性
    editorOptions() {
      this.setOptionsTitle();
      this.setOptionsXLeft();
      this.setOptionsXRight();
      this.setOptionsY();
      this.setOptionsTop();
      this.setOptionsTooltip();
      this.setOptionsGrid();
      this.setOptionsLegend();
      this.setOptionsColor();
      this.setOptionsData();
    },
    // 标题修改
    setOptionsTitle() {
      const optionsCollapse = this.optionsSetup;
      const title = {};
      title.text = optionsCollapse.titleText;
      title.show = optionsCollapse.isNoTitle;
      title.left = optionsCollapse.textAlign;
      title.textStyle = {
        color: optionsCollapse.textColor,
        fontSize: optionsCollapse.textFontSize,
        fontWeight: optionsCollapse.textFontWeight
      };
      this.options.title = title;
    },
    // 左X轴设置
    setOptionsXLeft() {
      const optionsSetup = this.optionsSetup;
      const xAxisLeft = {
        splitNumber: optionsSetup.splitNumberLeft,
        type: 'value',
        show : optionsSetup.hideXLeft,
        inverse: true,
        axisLine: {//X轴线
          show: optionsSetup.xLineLeft,
          lineStyle: {
            color: optionsSetup.lineColorXLeft,
          },
        },
        axisTick: {
          show: optionsSetup.tickLineLeft,
        },
        position: 'bottom',
        axisLabel: { // x轴
          show: true,
          textStyle: {
            color: optionsSetup.XcolorLeft,
            fontSize: optionsSetup.fontSizeXLeft
          }
        },
        splitLine: { // 分割线
          show: optionsSetup.SplitLineLeft,
          lineStyle: {
            color: optionsSetup.SplitLineColorLeft,
            width: optionsSetup.SplitLinefontSizeLeft,
            type: 'solid'
          }
        }
      }
      this.options.xAxis[0] = xAxisLeft;
    },
    // 右X轴设置
    setOptionsXRight() {
      const optionsSetup = this.optionsSetup;
      const xAxisRight = {
        gridIndex: 2,
        splitNumber: optionsSetup.splitNumberRight,
        show : optionsSetup.hideXRight,
        type: 'value',
        axisLine: {//X轴线
          show: optionsSetup.xLineRight,
          lineStyle: {
            color: optionsSetup.lineColorXRight,
          },
        },
        axisTick: {
          show: optionsSetup.tickLineRight,
        },
        position: 'bottom',
        axisLabel: { // x轴
          show: true,
          textStyle: {
            color: optionsSetup.XcolorRight,
            fontSize: optionsSetup.fontSizeXRight
          }
        },
        splitLine: { // 分割线
          show: optionsSetup.SplitLineRight,
          lineStyle: {
            color: optionsSetup.SplitLineColorRight,
            width: optionsSetup.SplitLinefontSizeRight,
            type: 'solid'
          }
        }
      }
      this.options.xAxis[2] = xAxisRight;
    },
    // Y轴设置
    setOptionsY() {
      const optionsSetup = this.optionsSetup;
      const axisLine = {
        show: optionsSetup.lineY,
        lineStyle: {
          color: optionsSetup.lineColorY
        }
      };
      const axisTick = {
        show: optionsSetup.tickLineY
      };
      const axisLabel = {
        show: optionsSetup.hideY,
        textStyle: {
          align: optionsSetup.textAlign,
          color: optionsSetup.colorY,
          fontSize: optionsSetup.fontSizeY,
        }
      };
      this.options.yAxis[1]['axisLine'] = axisLine;
      this.options.yAxis[1]['axisTick'] = axisTick;
      this.options.yAxis[1]['axisLabel'] = axisLabel;
    },
    // 数值设定、柱体设置
    setOptionsTop() {
      const optionsSetup = this.optionsSetup;
      const series = this.options.series;
      for (const key in series) {
        if (series[key].type == "bar") {
          series[0].label = {
            normal: {
              show: optionsSetup.isShow,
              position: 'insideLeft',
              textStyle: {
                fontSize: optionsSetup.fontSize,
                color: optionsSetup.subTextColor,
                fontWeight: optionsSetup.fontWeight
              }
            },
            emphasis: {
              show: false,
            },
          },
            series[1].label = {
              normal: {
                show: optionsSetup.isShow,
                color: 'red',
                position: 'insideRight',
                textStyle: {
                  fontSize: optionsSetup.fontSize,
                  color: optionsSetup.subTextColor,
                  fontWeight: optionsSetup.fontWeight
                }
              },
              emphasis: {
                show: false,
              },
            },
            series[key].barWidth = optionsSetup.maxWidth;
        }
      }
      this.options.series = series;
    },
    // tooltip 提示语设置
    setOptionsTooltip() {
      const optionsSetup = this.optionsSetup;
      const tooltip = {
        trigger: "item",
        show: true,
        textStyle: {
          color: optionsSetup.lineColor,
          fontSize: optionsSetup.fontSize
        }
      };
      this.options.tooltip = tooltip;
    },
    // 边距设置
    setOptionsGrid() {
      const optionsSetup = this.optionsSetup;
      const grid = [
        {//左
          show: optionsSetup.frameLineLeft,
          left: optionsSetup.marginLeftRight,
          top: optionsSetup.marginTop,
          bottom: optionsSetup.marginBottom,
          containLabel: true,
          width: '40%'
        },
        {//中间字体位置
          show: false,
          left: "51%",
          top: optionsSetup.marginTop,
          bottom: optionsSetup.marginBottom + 15,
          width: '0%'
        },
        {//右
          show: optionsSetup.frameLineRight,
          right: optionsSetup.marginLeftRight,
          top: optionsSetup.marginTop,
          bottom: optionsSetup.marginBottom,
          containLabel: true,
          width: '40%'
        },
      ]
      this.options.grid = grid;
    },
    // 图例操作
    setOptionsLegend() {
      const optionsSetup = this.optionsSetup;
      const legend = this.options.legend;
      legend.show = optionsSetup.isShowLegend;
      legend.left = optionsSetup.lateralPosition;
      legend.top = optionsSetup.longitudinalPosition;
      legend.bottom =
        optionsSetup.longitudinalPosition;
      legend.orient = optionsSetup.layoutFront;
      legend.textStyle = {
        color: optionsSetup.lengedColor,
        fontSize: optionsSetup.lengedFontSize
      };
      legend.itemWidth = optionsSetup.lengedWidth;
    },
    // 图例名称设置
    setOptionsLegendName(name){
      const optionsSetup = this.optionsSetup;
      const series = this.options.series;
      const legendName = optionsSetup.legendName;
      // 图例没有手动写则显示原值，写了则显示新值
      if (null == legendName || legendName == '') {
        for (let i = 0; i < name.length; i++) {
          series[i].name = name[i];
        }
        this.options.legend['data'] = name;
      }else {
        const arr = legendName.split('|');
        for (let i = 0; i < arr.length; i++) {
          series[i].name = arr[i];
        }
        this.options.legend['data'] = arr
      }
    },
    // 颜色修改、圆角修改
    setOptionsColor() {
      const optionsSetup = this.optionsSetup;
      const customColor = optionsSetup.customColor;
      if (!customColor) return;
      const itemStyleLeft = {
        normal: {
          color: customColor[0].color,
          barBorderRadius: [optionsSetup.radius, 0, 0, optionsSetup.radius]
        },
        emphasis: {
          show: false,
        },
      }
      const itemStyleRight = {
        normal: {
          color: customColor[1].color,
          barBorderRadius: [0, optionsSetup.radius, optionsSetup.radius, 0]
        },
        emphasis: {
          show: false,
        },
      }
      this.options.series[0].itemStyle = itemStyleLeft;
      this.options.series[1].itemStyle = itemStyleRight;
    },
    // 数据解析
    setOptionsData() {
      const optionsSetup = this.optionsSetup;
      const optionsData = this.optionsData; // 数据类型 静态 or 动态
      optionsData.dataType == "staticData"
        ? this.staticDataFn(optionsData.staticData, optionsSetup)
        : this.dynamicDataFn(
        optionsData.dynamicData,
        optionsData.refreshTime,
        optionsSetup
        );
    },
    //去重
    setUnique(arr) {
      let newArr = [];
      arr.forEach(item => {
        return newArr.includes(item) ? '' : newArr.push(item);
      });
      return newArr;
    },
    //静态数据
    staticDataFn(val) {
      //数据
      let xAxisList = [];
      let yAxisList = [];
      let arrayList = [];
      const legendName = [];
      for (const i in val) {
        xAxisList[i] = val[i].axis;
        yAxisList[i] = val[i].name;
      }
      xAxisList = this.setUnique(xAxisList);
      yAxisList = this.setUnique(yAxisList);
      for (const i in yAxisList) {
        const data = new Array(xAxisList.length).fill(0);
        for (const j in xAxisList) {
          for (const k in val) {
            if (val[k].name == yAxisList[i]) {
              if (val[k].axis == xAxisList[j]) {
                data[j] = val[k].data;
              }
            }
          }
        }
        arrayList.push({
          name: yAxisList[i],
          data: data,
        })
        legendName.push(yAxisList[i]);
      }
      this.options.series[0]['name'] = arrayList[0].name;
      this.options.series[0]['data'] = arrayList[0].data;
      this.options.series[1]['name'] = arrayList[1].name;
      this.options.series[1]['data'] = arrayList[1].data;
      this.options.yAxis[1]['data'] = xAxisList;
      this.options.legend['data'] = legendName;
      this.setOptionsLegendName(legendName);
    },
    // 动态数据
    dynamicDataFn(val, refreshTime, optionsSetup) {
      if (!val) return;
      if (this.ispreview) {
        this.getEchartData(val, optionsSetup);
        this.flagInter = setInterval(() => {
          this.getEchartData(val, optionsSetup);
        }, refreshTime);
      } else {
        this.getEchartData(val, optionsSetup);
      }
    },
    getEchartData(val, optionsSetup) {
      const data = this.queryEchartsData(val);
      data.then(res => {
        this.renderingFn(optionsSetup, res);
      });
    },
    renderingFn(optionsSetup, val) {
      const legendName = [];
      this.options.yAxis[1]['data'] = val.xAxis;
      if (val.series[0].type == "bar"){
        this.options.series[0]['name'] = val.series[0].name;
        this.options.series[0]['data'] = val.series[0].data;
        this.options.series[1]['name'] = val.series[1].name;
        this.options.series[1]['data'] = val.series[1].data;
        legendName.push(val.series[0].name);
        legendName.push(val.series[1].name);
      }
      this.options.legend['data'] = legendName;
      this.setOptionsLegendName(legendName);
    }
  }
};
</script>

<style scoped lang="scss">
.echarts {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

</style>
