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


    <a-card :bordered="false">
      <a-tabs v-model:activeKey="activeKey" type="card">


        <a-tab-pane key="1" tab="查询全校各学院通过率">

          <div>
            <div class="query">
              <a-select v-model:value="oneentrydate" style="width: 200px" :options="entrydateOptions"
                @change="onCollegeMajorChange"></a-select>
              <a-button style="margin-left: 10px;" type="primary" @click="allQuery">查询</a-button>
            </div>

            <a-card title="查询全校各学院通过率" :loading="tab1loading" :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>




        </a-tab-pane>
        <a-tab-pane key="2" tab="对比多学院" force-render>


          <div>
            <div class="query">
              <a-select v-model:value="collegetab2" style="width: 300px;margin-right: 20px;" mode="multiple"
                :max-tag-count="2" :options="collegeOptions" @change="onCollegeMajorChange"></a-select>
              <a-select v-model:value="collegeentrydate" style="width: 200px" :options="entrydateOptions"
                mode="multiple" :max-tag-count="2" @change="onCollegeMajorChange"></a-select>
              <a-button style="margin-left: 10px;" type="primary" @click="collegeQuery">查询</a-button>
            </div>

            <a-card title="按学院分析" :loading="tab2loading" :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="map2" style="width: 100%; height: 600px;"></div>
                  </div>
                </a-col>
              </a-row>
            </a-card>

          </div>
        </a-tab-pane>
        <a-tab-pane key="3" tab="对比多专业">


          <div>
            <div class="query">
              <a-cascader v-model:value="collegeMajor" style="width: 300px;margin-right: 20px;"
                :options="collegeMajorOptions" :changeOnSelect="false" multiple :maxTagCount="2" />
              <a-select v-model:value="majorentrydate" style="width: 200px" :options="entrydateOptions" mode="multiple"
                :max-tag-count="2" @change="onCollegeMajorChange"></a-select>
              <a-button style="margin-left: 10px;" type="primary" @click="majorQuery">查询</a-button>
            </div>

            <a-card title="按专业分析" :loading="tab3loading" :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="map3" style="width: 100%; height: 600px;"></div>
                  </div>
                </a-col>
              </a-row>
            </a-card>

          </div>


        </a-tab-pane>
      </a-tabs>
      <!-- <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 {
      activeKey: '1',
      allCollege: [],
      showBox: false,
      showGroup: false,
      oneentrydate: null,
      collegeentrydate: [],
      majorentrydate: [],
      checkedOptions: [],
      collegetab2: [],
      collegeMajorOptions: [],
      collegeMajor: [],
      Url: {
        getBatch: '/cet/getBatch',
        getEntrydate: '/cet/getEntrydate',
        getCollege: '/cet/getCollege',
        getCollegeRate: '/cet/getRateByCollege',
        getAllRate: '/cet/getAllRate',
        getCollegeMajor: '/cet/getCollegeMajor',
        getRateByMajor: '/cet/getRateByMajor',

      },
      tab1loading: false,
      tab2loading: false,
      tab3loading: 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: {
    allQuery() {
      this.tab1loading = true;
      let college = ['全校'];
      let query = 'tab1'
      if (this.oneentrydate == null) {
        this.oneentrydate = '2017';
      }
      this.query(query, college, [this.oneentrydate]);
    },
    async majorQuery() {
      this.tab3loading = true;
      let res = null;
      try {
        let params = {
          college: this.collegeMajor,
          entrydate: this.majorentrydate,
        }
        res = await defHttp.post({ url: this.Url.getRateByMajor, params });
      }
      finally {
        console.log(res, "res")
        this.tab3loading = false;
        this.$nextTick(() => {
          this.drawChart(res.data, 'tab3');
        })

      }
    },
    collegeQuery() {
      this.tab2loading = true;
      let query = 'tab2'
      this.query(query, this.collegetab2, this.collegeentrydate);
    },
    test(value) {
      console.log(this.collegeMajor)
      console.log(value)
    },
    //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];

    },

    //获取学院专业级联数据
    async getCollegeMajorData() {
      const res = await defHttp.get({ url: this.Url.getCollegeMajor });
      //通过map方法将数据转换为级联选择器需要的数据格式
      this.collegeMajorOptions = res.collegeMajor.map(item => {
        return {
          value: item.college,
          label: item.college,
          children: item.major.map(major => {
            return {
              value: major,
              label: major
            }
          })
        }
      });
      this.collegeMajor = [[this.collegeMajorOptions[0].value]];
      console.log(this.collegeMajorOptions, "collegeMajorOptions");
    },

    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'];
        this.collegetab2 = ['地理科学学院', '文学院'];
        console.log(this.collegeOptions, "collegeOptions");

      });
    },
    onCollegeMajorChange(value) {
        console.log(value, "value")
        if(value.length>3){
          message.error("最多选择三个")
          //删除value最后一个数据
          value.pop();

          return
        }
    },


    //tab3图标
    drawChart(data,tab){
      let seriesData = [];
      let xData = this.majorentrydate.sort((a, b) => a - b);
      let k = 0;
      let legendData = [];
      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 isJK = false;
      for(let i in data){
        
        console.log(i,"i")
        legendData.push(i);
        let yData = [];
        // legendData=[];
        console.log(data[i],"data[i]")
        
        for(let j in data[i]){
          
          console.log(data[i][j].college,"data[i][j].college111")
          // if(data[i][j].college == ''){
            yData.push(data[i][j].passRate);
            // legendData.push(data[i][j].college);
        }
        console.log(yData,"yData")
        seriesData.push({
          name: i + '级累计总通过率',
          type: 'bar',
          //设置柱状图大小
          barWidth: 25,
          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: 13
                },
              },
              color: colors[k++]
            }

          }
        });
      }
      console.log(legendData,"legendData")
      console.log(seriesData,'dasaaseriresdata')
      // debugger
      let myChart = null;
      console.log(tab,"tab")
      if (tab == 'tab2') {
        myChart=document.getElementById("map2");
        if(myChart){
          myChart=echarts.getInstanceByDom(myChart)
          if(myChart){
            myChart.dispose();
          }
        }
        myChart = echarts.init(document.getElementById("map2"));

      } else if (tab == 'tab3') {
        myChart=document.getElementById("map3");
        if(myChart){
          myChart=echarts.getInstanceByDom(myChart)
          if(myChart){
            myChart.dispose();
          }
        }
        myChart = echarts.init(document.getElementById("map3"));

      }
      // 指定图表的配置项和数据
      let option = {
        title: {
          text: "本批次学院通过率排名",
        },
        // legend: legendData,
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'shadow'
          },
          formatter: function (params) {
            //生成tooltip,加上小圆球
            let result = params[0].name + '级通过率<br>';
            for (let i = 0; i < params.length; i++) {
              result += params[i].marker + legendData[i]+ ' : ' + params[i].value + '%' + '<br>';
            }
            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} %'
            }
          }
        ],
        series: seriesData
      };
      // 使用刚指定的配置项和数据显示图表。
      console.log(option, "option")
      console.log(myChart, "myChart")
      setTimeout(() => {
        myChart.setOption(option);
      }, 1)
    },
  

    dataChart(data, tab) {
      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: 25,
          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: 13
                },
              },
              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 (tab == 'tab1') {
          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 = null;
      if (tab == 'tab2') {
        myChart = echarts.init(document.getElementById("map2"));
      } else if (tab == 'tab1') {
        myChart = echarts.init(document.getElementById("map1"));
      } else if (tab == 'tab3') {
        myChart = echarts.init(document.getElementById("map3"));
      }
      // 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 (tab == 'tab1') {
              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 (tab == 'tab1') {
        option.series = [{
          name: '累计总通过率',
          type: 'bar',
          data: seriesData[0].data,
          //设置柱状图大小
          barWidth: 25,
          // 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.oneentrydate = this.entrydateOptions[0].value;
      this.collegeentrydate = [this.entrydateOptions[0].value];
      this.majorentrydate = [this.entrydateOptions[0].value];
      // this.entrydate.push (this.entrydateOptions[0].value);
    },
    // 查询数据
    async query(query, college, entrydate) {

      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 {
        console.log(this.college, this.entrydate)
        let params = {
          college: college,
          entrydate: entrydate,
          level: 'cet4'
        }
        let url = query == 'tab1' ? this.Url.getAllRate : this.Url.getCollegeRate;
        console.log(params.college, "college")
        result = await defHttp.post({ url: url, 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 {
        query == 'tab1' ? this.tab1loading = false : this.tab2loading = false;
        this.$nextTick(() => {
          if (query == 'tab1') {
            this.dataChart(result.data, query);
          } else if (query == 'tab2') {
            this.drawChart(result.data,query);

          }

        })
      }
    }
  },
  mounted() {
    this.getCollegeOptions();
    // this.getBatch();
    this.getEntrydate();
    this.allQuery();
    this.getCollegeMajorData();
  }

}
</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);
}

.query {
  //居右
  display: flex;
  justify-content: flex-end;
  margin-bottom: 10px;

}

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