<template>
  <div class="top-middle-cmp">
    <div ref="chart" style="width: 100%; height: 100%;"></div>
  </div>
</template>

<script>
import * as echarts from 'echarts';

export default {
  name: 'TopMiddleCmp',
  props: ['data'],
  data() {
    return {
      chartData: {
        categories: [],
        values: [],
      },
    };
  },
  mounted() {
    this.drawChart();
  },
  methods: {
    drawChart() {
      const chart = echarts.init(this.$refs.chart);

      const option = {
        title: {
          text: '7天产量',
          textStyle: {
            color: 'white', // Set title font color to white
          },
        },
        grid: {
          left: '10%',  // Adjust the left margin
          right: '5%', // Adjust the right margin
          top: '20%',   // Adjust the top margin
          bottom: '0%', // Adjust the bottom margin
          containLabel: true,
        },
        xAxis: {
          type: 'category',
          data: this.chartData.categories,
          axisLabel: {
            color: 'white', // Set X-axis label font color to white
          },
        },
        yAxis: {
          type: 'value',
          axisLabel: {
            color: 'white', // Set Y-axis label font color to white
          },
        },

        series: [
          {
            data: this.chartData.values,
            type: 'line',
            smooth: true,
            label: {
              show: true, // 显示数据标签
              position: 'top', // 您可以调整标签的位置（例如 'top'、'insideTop'、'insideBottom' 等）
            },
          }
        ]
      };

      chart.setOption(option);
    },
  },
  watch: {
    data(newVal) {
      // Watching the data prop for changes
      // Watching the data prop for changes
      console.log("newVal", newVal);
      this.chartData.categories = newVal.map(item => item.day);
      this.chartData.values = newVal.map(item => item.sum_quantity);
      this.drawChart();

      // Incrementing the key to force re-render
    },
  },
};
</script>

<style scoped>
.top-middle-cmp {
  position: relative;
  padding: 0 0px;
  box-sizing: border-box;

/*.chart-name {*/
/*  position: absolute;*/
/*  right: 70px;*/
/*  text-align: right;*/
/*  font-size: 20px;*/
/*  top: 10px;*/
/*}*/
}
</style>
