<template>
  <div class="threeLevel">
    <div class="top">
      <el-form ref="ruleForm" :model="form">
        <el-row :gutter="20">
          <el-col :span="6">
            <el-form-item label="分区名称:" prop="partitionName">
              <el-input v-model="form.partitionName" placeholder="请输入二级分区名称" style="width: 100%"></el-input>
            </el-form-item>
          </el-col>
          <el-col :span="6">
            <el-form-item>
              <el-button type="primary" icon="Search" @click="search"> 查询</el-button>
              <el-button icon="Refresh" @click="resetQuery">重置</el-button>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
    </div>
    <el-table :data="tableData" v-loading="loading" stripe max-height="650" :span-method="objectSpanMethod">
      <el-table-column type="index" label="序号" width="60" />
      <el-table-column label="二级分区名称" prop="parentName" show-overflow-tooltip />
      <el-table-column label="三级分区编号" prop="partitionNum" show-overflow-tooltip />
      <el-table-column label="分区面积（k㎡）" prop="partitionArea" show-overflow-tooltip />
      <el-table-column label="年径流总量控制率指标%" prop="annualRunoffTarget" show-overflow-tooltip />
      <el-table-column label="设计降雨量mm" prop="designRainfall" show-overflow-tooltip />
      <template v-if="disabled">
        <el-table-column label="年径流总量控制率实际值%" prop="annualRunoffReality" show-overflow-tooltip />
        <el-table-column label="超目标%" prop="superTarget" show-overflow-tooltip>
          <template #default="{ row }">
            <span :class="row.superTarget ? (row.superTarget >= 0 ? 'green' : 'red') : ''">{{ row.superTarget }}</span>
          </template>
        </el-table-column>
      </template>
      <template v-else>
        <el-table-column label="修改时间" prop="updateTime" show-overflow-tooltip />
        <el-table-column label="操作" show-overflow-tooltip width="170">
          <template #default="{ row }">
            <el-button type="primary" link @click="openDialog(row, 'view')">查看</el-button>
            <el-button type="primary" link @click="openDialog(row, 'edit')">编辑</el-button>
          </template>
        </el-table-column>
      </template>
    </el-table>
    <el-dialog v-model="visible" :title="opts.text" :close-on-click-modal="false" width="50%" :before-close="close" class="dialog">
      <el-form ref="dialogFormRef" label-width="166px" :model="dialogForm" v-if="visible" :disabled="opts.type === 'view'">
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="三级分区编号:" prop="partitionNum" label-width="112px">
              <el-input v-model="dialogForm.partitionNum" disabled />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="所属二级分区:" prop="parentId">
              <el-select v-model="dialogForm.parentId" placeholder="请选择二级分区" style="width: 100%">
                <el-option v-for="item in parentList" :key="item.id" :label="item.partitionName" :value="item.id" />
              </el-select>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="分区面积:" prop="partitionArea" label-width="112px">
              <el-input v-model="dialogForm.partitionArea" placeholder="请输入分区面积">
                <template #append>k㎡</template>
              </el-input>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="年径流总量控制率指标:" prop="annualRunoffTarget">
              <el-input v-model="dialogForm.annualRunoffTarget" placeholder="请输入年径流总量控制率指标">
                <template #append>%</template>
              </el-input>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="设计降雨:" prop="designRainfall" label-width="112px">
              <el-input v-model="dialogForm.designRainfall" disabled>
                <template #append>mm</template>
              </el-input>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <template #footer v-if="opts.type !== 'view'">
        <div class="dialog-footer">
          <el-button type="primary" @click="submit">确 定</el-button>
          <el-button @click="close">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup>
import { getControlPartitionList, controlPartitionEdit, getControlPartitionTargetList } from '@/api/project/partition';
import { optTextMap } from '@/utils/map';
import { inheritAttr } from '@/utils/v3';
const { proxy } = getCurrentInstance();
const props = defineProps({
  disabled: {
    type: Boolean,
    default: false,
  },
});
const form = reactive({
  type: 3,
  partitionName: '',
});
const tableData = ref([]);
const loading = ref(false);
const visible = ref(false);
const opts = reactive({
  text: '',
  type: '',
});

const dialogForm = reactive({
  id: '',
  parentId: '',
  partitionNum: '',
  partitionArea: '',
  annualRunoffTarget: '',
  designRainfall: '',
});

const parentList = ref([]);
let spanArr = [];

const getParentList = async () => {
  const res = await getControlPartitionList({ type: 2 });
  if (res?.code !== 200) return;
  parentList.value = res?.data || [];
};
getParentList();

const openDialog = (data, type) => {
  visible.value = true;
  opts.type = type;
  opts.text = optTextMap.get(type);
  inheritAttr(data, dialogForm);
};

const close = () => {
  visible.value = false;
  opts.type = '';
  opts.text = '';
  search();
};

const submit = () => {
  proxy.$refs.dialogFormRef.validate(async (valid, fields) => {
    if (valid) {
      const { id, parentId, partitionArea, annualRunoffTarget } = dialogForm;
      const res = await controlPartitionEdit({ id, parentId, partitionArea, annualRunoffTarget });
      if (res?.code !== 200) return;
      close();
      proxy.$modal.msgSuccess('操作成功');
    } else {
      console.log(fields);
    }
  });
};

const search = () => {
  getTableList();
};

const resetQuery = () => {
  proxy.$refs.ruleForm.resetFields();
  search();
};

const getTableList = async () => {
  loading.value = true;
  try {
    let methed = getControlPartitionList;
    if (props.disabled) methed = getControlPartitionTargetList;
    const res = await methed(form);
    loading.value = false;
    if (res?.code !== 200) return;
    tableData.value = res?.data || [];
    tableData.value.forEach(item => {
      item.parentId = item.parentId + '';
    });
    spanArr = [];
    getSpanArr(tableData.value);
  } catch (error) {
    loading.value = false;
  }
};

const getSpanArr = data => {
  let pos = 0;
  // data就是我们从后台拿到的数据
  for (let i = 0; i < data.length; i++) {
    if (i === 0) {
      spanArr.push(1);
      pos = 0;
    } else {
      // 判断当前元素与上一个元素是否相同
      if (data[i].parentName === data[i - 1].parentName) {
        spanArr[pos] += 1;
        spanArr.push(0);
      } else {
        spanArr.push(1);
        pos = i;
      }
    }
  }
};

const objectSpanMethod = ({ row, column, rowIndex, columnIndex }) => {
  if (columnIndex === 1) {
    const _row = spanArr[rowIndex];
    const _col = _row > 0 ? 1 : 0;
    // console.log(`rowspan:${_row} colspan:${_col}`);
    return {
      // [0,0] 表示这一行不显示， [2,1]表示行的合并数
      rowspan: _row,
      colspan: _col,
    };
  }
};

onMounted(() => {
  getTableList();
});
</script>

<style lang="scss" scoped>
@import '@/assets/styles/variables.module.scss';
.green {
  color: $green;
}
.red {
  color: $red;
}
</style>