<template>
  <div style="background: #ececec; padding: 15px">


    <a-card :bordered="false">

      <div>
        <a-button type="primary" @click="visible = true">打开筛选项</a-button>
      </div>
      <a-drawer placement="right" :visible="visible" width="90%" :closable="false">

        <template slot="title">
          <span>CET查询筛选项</span>
        </template>
        <a-descriptions bordered>

          <a-descriptions-item label="学院" :span="3">

            <a-checkbox v-model="allCollege" :disabled="showBox" @change="checkAll">
              全校
            </a-checkbox>
            <a-checkbox-group v-model="checkedOptions" :options="collegeOptions" :disabled="showGroup"
              @change="checkOne"></a-checkbox-group>

          </a-descriptions-item>

          <a-descriptions-item label="年级" :span="3" v-if="showGroup">
            <a-radio-group v-model:value="oneentrydate" :options="entrydateOptions" @change="checkoneentrydate" />
          </a-descriptions-item>
          <a-descriptions-item label="年级" :span="3" v-if="showBox">
            <a-checkbox-group v-model:value="entrydate" :options="entrydateOptions" />
          </a-descriptions-item>
        </a-descriptions>



        <div class="buttons">
          <a-button type="primary" style="margin-right: 5px;" @click="visible = false"><a-icon
              type="close" />取消</a-button>
          <a-button type="primary" @click="query" style="margin-right: 5px;"><a-icon type="search" />查询</a-button>


        </div>

      </a-drawer>

    </a-card>






    <a-card title="按学院 / 专业分析" :loading="loading" :bordered="false">
      <template #extra>
        <!-- <a-select v-model:value="college" style="width: 300px" mode="multiple" :max-tag-count="2"
          :options="collegeOptions" @change="onCollegeMajorChange"></a-select> -->
        <!-- <a-select v-model:value="batch" style="margin-left: 10px;width: 120px" :options="batchOptions"></a-select> -->
        <!-- <a-select v-model:value="level" style="margin-left: 10px;width: 120px" :options="levelOptions"></a-select> -->
        <!-- <a-select v-model:value="entrydate" style="margin-left: 10px;width: 150px"
          :options="entrydateOptions"></a-select>
        <a-button style="margin-left: 10px;" type="primary" @click="query">查询</a-button> -->
      </template>
      <a-row :gutter="24">
        <a-col :xl="24" :style="{ marginBottom: '24px' }">
          <div class="container">
            <div id="map1" style="width: 100%; height: 600px;"></div>
          </div>
        </a-col>
      </a-row>
    </a-card>
  </div>
</template>

<script>
import { defHttp } from '/@/utils/http/axios';
import * as echarts from 'echarts';
import bar from '/@/components/Scrollbar/src/bar';
import { message } from 'ant-design-vue';
export default {
  name: "Analysis",
  data() {
    return {
      allCollege:[],
      showBox: false,
      showGroup: false,
      oneentrydate: null,
      checkedOptions: [],
      Url: {
        getBatch: '/cet/getBatch',
        getEntrydate: '/cet/getEntrydate',
        getCollege: '/cet/getCollege',
        getRate: '/cet/getRateByCollege'
      },
      loading: false,
      collegeOptions: [],
      batchOptions: [],
      levelOptions: [
        { value: 'cet4', label: '英语四级' },
        { value: 'cet6', label: '英语六级' }
      ],
      visible: false,
      level: null,
      college: [],
      batch: null,
      entrydateOptions: [],
      entrydate: [],

    };
  },
  methods: {

    //选择全校
    checkAll(e) {
      this.college = ['全校']
      this.showGroup = !this.showGroup;
    },

    //选择学院
    checkOne(e) {
      console.log(e)
      this.college = e;
      this.showBox = true;
      if (e.length == 0) {
        this.showBox = false;
      }
    },
    //选择年级
    checkoneentrydate(e) {
      console.log(e.target.value, "e")
      this.entrydate = [e.target.value];

    },
    getCollegeOptions() {
      defHttp.get({ url: this.Url.getCollege }).then(res => {
        this.collegeOptions = res.colleges;
        // 手动添加一个全校字段

        //this.collegeOptions.unshift({ value: '全校', label: '全校' });
        // this.collegeOptions.forEach(option => {
        //  if (option.value !== '全校') {
        //     option.disabled = true;
        //}

        //  });
        //  this.college = ['全校'];
        console.log(this.collegeOptions, "collegeOptions");

      });
    },
    onCollegeMajorChange(value) {
      if (value.includes('全校')) {
        this.collegeOptions.forEach(option => {
          if (option.value !== '全校') {
            option.disabled = true;
          }
        });
      } else {
        this.collegeOptions.forEach(option => {
          option.disabled = false;
          if (value !== '全校' && option.value === '全校') {
            option.disabled = true;
          }
          if (value.length === 0) {
            option.disabled = false;
          }
        });
      }
      console.log(value);
    },
    // deleteData() {
    //   console.log("delete")
    //   //清空所有选项
    //   this.college = [];
    //   this.entrydate = [];
    //   this.oneentrydate = null;
    //   this.checkedOptions = [];
    //   this.allCollege = [];
    // },
    dataChart(data) {
      let seriesData = [];
      let xData = [];
      let colors = ['#5370c5', '#91CC75', '#fac858', '#ee6666', '#73c0de', '#FF6A6A', '#FFA500', '#EE2C2C', '#90EE90', '#008B8B', '#FFC0CB', '#FFDAB9', '#FFDEAD', '#FFE4B5', '#FFE4C4', '#FFE4E1', '#FFEBCD', '#FFEFD5', '#FFFAF0', '#FFFAFA', '#FFFFE0', '#FFFFF0', '#FFFFFF', '#F0F8FF', '#FAEBD7', '#FAF0E6', '#FAFAD2', '#F5FFFA', '#F8F8FF', '#F0FFF0', '#F0FFFF', '#F0E68C', '#F0F8FF', '#F0FFF0', '#F0FFFF', '#F4A460', '#F5DEB3', '#F5F5DC', '#F5F5F5', '#F5FFFA', '#F8F8FF', '#F9EBEA', '#FAD7A0', '#FAF0E6', '#FAFAD2', '#FAF0E6  ']
      let j = 0;

      for (let i in data) {

        xData = [];
        let yData = [];
        for (let key in data[i]) {
          xData.push(data[i][key].college);
          // 将数据转换为百分比（加上%）
          yData.push(data[i][key].passRate);
        }
        xData = xData.map(label => label.split("").join("\n"));//将x轴竖着展示
        seriesData.push({
          name: i + '级累计总通过率',
          type: 'bar',
          //设置柱状图大小
					barWidth: "10%",
          data: yData,
          //柱子间距
          barGap: '30%',
          //颜色
          itemStyle: {
            normal: {
              label: {
                show: true,//开启显示
                position: 'top',//在上方显示
                formatter: '{c}%',
                textStyle: { //数值样式
                  color: 'black',
                  fontSize: 10
                },
              },
              color: colors[j++]
            }

          }
        });
        let rankData = yData.slice().sort((a, b) => b - a).map((value) => yData.indexOf(value) + 1);
        //如果选择全校，增加排名
        if (this.college.includes('全校')) {
          seriesData.push({
            name: i + '级累计总通过率排名',
            type: 'line',
            yAxisIndex: 1,
            data: rankData,
            bar: {},
            show: false,

            itemStyle: {

              normal: {

                label: {
                  show: false,//开启显示
                  position: 'top',//在上方显示
                  formatter: '{c}',
                  textStyle: { //数值样式
                    color: 'black',
                    fontSize: 13
                  },
                },
                color: colors[j++]
              }
            }
          });
        }
      }
      let myChart = echarts.init(document.getElementById("map1"));
      // 指定图表的配置项和数据
      const college1 = this.college;
      let option = {
        title: {
          text: "本批次学院通过率排名",
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'shadow'
          },
          formatter: function (params) {
            //生成tooltip,加上小圆球
            let result = params[0].name + '<br>';
            for (let i = 0; i < params.length; i++) {
              result += params[i].marker + params[i].seriesName + ' : ' + params[i].value + '%' + '<br>';
            }
            if (college1.includes('全校')) {
              result = params[0].name + '<br/>' +
                '<table>' +
                '<tr><td>' + params[0].marker + params[0].seriesName + '</td><td style="font-weight: bold;">' + '&nbsp;&nbsp;&nbsp;&nbsp;' + params[0].value + '%' + '</td></tr>' +
                '<tr><td>' + params[1].marker + params[1].seriesName + '</td><td style="font-weight: bold;">' + '&nbsp;&nbsp;&nbsp;&nbsp;' + params[1].value + '</td></tr>' +
                '</table>';
            }
            return result;
          }
        },
        toolbox: {
          show: true,
          feature: {

            magicType: { show: true, type: ['line', 'bar'] },
            restore: { show: true },
            saveAsImage: { show: true }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true,
        },
        xAxis: [
          {
            type: 'category',
            data: xData,
            axisLabel: {
              interval: 0,//代表显示所有x轴标签显示
              rotate: 0,//代表倾斜0度显示
            }
          }
        ],
        yAxis: [
          {
            type: 'value',
            name: '通过率',
            axisLabel: {
              formatter: '{value} %'
            }
          },
          {
            type: 'value',
            name: '排名',
            show: false,
          }
        ],
        series: seriesData
      };
      if (this.college.includes('全校')) {
        option.series = [{
          name: '累计总通过率',
          type: 'bar',
          data: seriesData[0].data,
          //设置柱状图大小
					barWidth: 20,
          // barWidth: '60%',
          itemStyle: {
            normal: {
              label: {
                show: true,//开启显示
                position: 'top',//在上方显示
                formatter: '{c}%',
                textStyle: { //数值样式
                  color: 'black',
                  fontSize: 13
                },
              },
              color: colors[0]
            }
          }
        },
        {
          name: '排名',
          type: 'bar',
          data: seriesData[1].data,
          label: {
            show: false,
            position: 'inside',
            formatter: '{c}',

          },
          yAxisIndex: 1,
          color: colors[1]

        },
        ]
      }
      // 使用刚指定的配置项和数据显示图表。
      myChart.setOption(option);
    },
    // 获取批次数据
    async getBatch() {
      const getBatch = await defHttp.get({ url: this.Url.getBatch });
      this.batchOptions = getBatch.batches;
      this.batch = this.batchOptions[0].value;
      this.level = this.levelOptions[0].value;
    },
    //获取年级数据
    async getEntrydate() {
      const getEntrydate = await defHttp.get({ url: this.Url.getEntrydate });
      this.entrydateOptions = getEntrydate.entrydates;
      // this.entrydate.push (this.entrydateOptions[0].value);
    },
    // 查询数据
    async query() {
      this.visible = false;
      let result = null;
      console.log(this.college, this.entrydate);
      //如果this.college和this.batch为null则先赋静态值
      if (this.college === null || this.college.length === 0) {
        this.college = ['全校'];
      }


      if (!this.entrydate || this.entrydate.length === 0) {
        this.entrydate = ['2017'];
      }

      try {
        this.loading = true;
        console.log(this.college, this.entrydate)
        let params = {
          college: this.college,
          entrydate: this.entrydate,
          level: 'cet4'
        }
        console.log(params.college, "college")
        result = await defHttp.post({ url: this.Url.getRate, params });
        //使数据按照passRate从大到小排序
        // result.data.sort((a, b) => {
        //   return b.passRate - a.passRate;
        // });
        console.log("data", result.data);
      } finally {
        this.loading = false;
        this.$nextTick(() => {
          this.dataChart(result.data);
        })
      }
    }
  },
  mounted() {
    this.getCollegeOptions();
    // this.getBatch();
    this.getEntrydate();
    this.query();
  }

}
</script>

<style lang="less" scoped>
.container {
  display: flex;
  background-color: #fff;
  padding: 15px;
  border-radius: 4px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.09);
}

.title {
  font-size: 34px;
  color: rgb(8, 8, 8);
  font-weight: bold;
}
</style>
