<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="100px"  class="my-custom-form">
      <el-row>  
        <el-col :span="4">
          <el-form-item label="策略名称" prop="methodName">
            <el-input
              v-model="queryParams.methodName"
              placeholder="请输入策略名称"
              clearable
              @keyup.enter="handleQuery"
            />
          </el-form-item>
        </el-col>
        <el-col :span="4">
          <el-form-item label="是否有效" prop="flagEnabled">
            <el-select v-model="queryParams.flagEnabled" placeholder="请选择是否有效" clearable>
              <el-option
                v-for="item in flagEnabled"
                :key="item.value"
                :label="item.label"
                :value="item.value"
              />
            </el-select>
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <el-form-item class="childTextAlignCenter">
            <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
            <el-button type="info" plain icon="Refresh" @click="resetQuery">重置</el-button>
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="success"
          icon="Plus"
          @click="handleAdd"
        >新增</el-button>
      </el-col>
      <!-- <el-col :span="1.5">
        <el-button
          type="success"
          icon="Edit"
          @click="handleUpdate"
        >修改</el-button>
      </el-col> -->
      <el-col :span="1.5">
        <el-button
          type="success"
          icon="Delete"
          @click="handleDelete"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          icon="Download"
          @click="handleExport"
        >导出</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="methodList" @selection-change="handleSelectionChange" :max-height="tableHeight" :border="true" :column-width-draggable="true">
      <el-table-column type="selection" width="55" align="center" fixed="left"/>
      <!-- <el-table-column label="主键" align="center" prop="id" /> -->
      <el-table-column label="策略名称" align="center" prop="methodName" />
      <el-table-column label="是否有效" align="center" prop="flagEnabled" >
        <template #default="scope">
          <dict-tag :options="flagEnabledTable" :value="scope.row.flagEnabled"/>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width" :width="200" :fixed="fixedColumns?'right':false">
        <template #header>
          <div class="fixed-column-header"  style="text-align: center;display: block;" @dblclick="toggleFixedColumns">
            <span style="text-align: center;display: block;">操作<img style="width:10px;margin-left:5px" v-show="fixedColumns" :src="lock" alt="Image"/></span>
          </div>
        </template>
        <template #default="scope">
          <el-button
            type="text"
            icon="Edit"
            @click="handleUpdate(scope.row)"
          >修改</el-button>
          <el-button
            type="text"
            icon="Delete"
            @click="handleDelete(scope.row)"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
      class="paddingBothLeftRight"
    />

    <!-- 添加或修改告警方式对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="methodRef" :model="form" :rules="rules" label-width="80px">
    
<el-row>  
  <el-col :span="12">
    <el-form-item label="策略名称" prop="methodName">
      <el-input v-model="form.methodName" placeholder="请输入策略名称" />
    </el-form-item>
  </el-col>
  <el-col :span="12">
     <el-form-item label="是否有效" prop="flagEnabled">
      <el-select v-model="form.flagEnabled" placeholder="请选择是否有效">
        <el-option
          v-for="item in flagEnabled"
          :key="item.value"
          :label="item.label"
          :value="item.value"
        />
      </el-select>
    </el-form-item>
  </el-col>

      </el-row>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>
<style lang="scss" > 
  @import "@/assets/styles/self-defined.scss";
</style>
<script setup name="Method">
import { listMethod, getMethod, delMethod, addMethod, updateMethod, listMethodNoPage } from "@/api/model/method";
import lock from "@/assets/icons/svg/lock.svg";
import { ElMessageBox } from 'element-plus';
const { proxy } = getCurrentInstance();
const methodList = ref([]);
const open = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");
const fixedColumns = ref(false);
const tableHeight = ref("0px");
const sortItemMap = ref({});
const queryParamFilter = ref({});
const sortProps = ref([]);
const collapseVisible = ref(false);
const editName = ref("更多筛选项");
const names = ref([]);
const flagEnabledTable = ref([
  {label: '可用', value: 'true', elTagType: 'default', elTagClass: null}, 
  {label: '不可用', value: 'false', elTagType: 'default', elTagClass: null}
]);
const flagEnabled = ref([
  {label: '有效', value: true, elTagType: 'default', elTagClass: null}, 
  {label: '无效', value: false, elTagType: 'default', elTagClass: null}
]);
const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    methodName: null,
    flagEnabled: null
  },
  rules: {
    methodName: [
      { required: true, message: "告警方式名称不能为空", trigger: "blur" }
    ],
    flagEnabled: [
      { required: true, message: "告警方式是否有效不能为空", trigger: "blur" }
    ],
  }
});

const { queryParams, form, rules } = toRefs(data);

/** 查询告警方式列表 */
function getList() {
  loading.value = true;
  listMethod(queryParams.value).then(response => {
    methodList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

// 取消按钮
function cancel() {
  open.value = false;
  reset();
}

// 表单重置
function reset() {
  form.value = {
    tentantId: null,
    version: null,
    createBy: null,
    createTime: null,
    updateBy: null,
    updateTime: null,
    deptId: null,
    userId: null,
    deleteBy: null,
    deleteTime: null,
    id: null,
    methodName: null,
    flagEnabled: null
  };
  proxy.resetForm("methodRef");
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef");
  handleQuery();
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.id);
  names.value = selection.map(item => item.methodName);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
function handleAdd() {
  reset();
  open.value = true;
  title.value = "添加告警方式";
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset();
  const _id = row.id || ids.value;
  if(_id.length === 0){
    ElMessageBox.alert('请选择需要修改的记录', '提示', {
            confirmButtonText: '确定',
            center: true,
          })
    return;
  }else if(_id.length > 1){
    ElMessageBox.alert('只能选择一条记录进行修改', '提示', {
            confirmButtonText: '确定',
            center: true,
          })
    return;
  }
  getMethod(_id).then(response => {
    form.value = response.data;
    open.value = true;
    title.value = "修改告警方式";
  });
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["methodRef"].validate(valid => {
    if (valid) {
      let param = {"methodName":form.value.methodName};
      if (form.value.id != null) {
        listMethodNoPage(param).then(response => {
          const result = response.data;
          const newArray = result.filter(item => item.id !== form.value.id);
          if (newArray?.length > 0) {
            ElMessageBox.alert('该告警方式名称重复', '提示', {
              confirmButtonText: '确定',
              center: true,
            })
          }else{
            updateMethod(form.value).then(response => {
              proxy.$modal.msgSuccess("修改成功");
              open.value = false;
              getList();
            });
          }
        });
      } else {
        listMethodNoPage(param).then(response => {
          const result = response.data;
          if(result?.length > 0){
            ElMessageBox.alert('该告警方式名称重复', '提示', {
              confirmButtonText: '确定',
              center: true,
            })
          }else{
            addMethod(form.value).then(response => {
              proxy.$modal.msgSuccess("新增成功");
              open.value = false;
              getList();
            });
          }
        });
        
      }
    }
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ids = row.id || ids.value;
  if(_ids.length == 0){
    ElMessageBox.alert('请先选择需要删除的记录', '提示', {
              confirmButtonText: '确定',
              center: true,
            })
    return;
  }
  const _names = row.methodName || names.value;
  proxy.$modal.confirm('是否确认删除告警策略名称为"' + _names + '"的数据项？').then(function() {
    return delMethod(_ids);
  }).then(() => {
    getList();
    proxy.$modal.msgSuccess("删除成功");
  }).catch(() => {});
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('/model/dcBusiAlertMethod/export', {
    ...queryParams.value
  }, `method_${new Date().getTime()}.xlsx`)
}

function toggleFixedColumns() {
  fixedColumns.value = !fixedColumns.value;
}

onMounted(()=>{
  calculateTableHeight();
  window.addEventListener('resize', calculateTableHeight);
  window.onresize = () => {
    return (() => {
      calculateTableHeight();
    })()
  }
})

onUnmounted(() => {
  window.removeEventListener('resize', calculateTableHeight);
});
watch(
  [collapseVisible,showSearch],
  () => {
    calculateTableHeight();
  }
);
const calculateTableHeight = () => {
  nextTick(() => {
    const heightForm = proxy.$refs.queryRef?.$el.clientHeight||0;
    const windowHeight = window.innerHeight;
    const paginationHeight = 60;
    const tableHeaderHeight = 40;
    const tableMargin = 20;
    const remainingHeight = windowHeight - paginationHeight - tableHeaderHeight - tableMargin - heightForm - 100;
    tableHeight.value = remainingHeight + 'px';
  });
};

function toggleCollapse() {
  collapseVisible.value = !collapseVisible.value;
  if(collapseVisible.value){
    editName.value = "折叠筛选项";
  }else{
    editName.value = "更多筛选项"
  }
}

getList();
</script>
