<template>
  <el-form :model="formData" label-width="120px" ref="form" v-loading="loading" class="pr-6">
    <el-form-item label="上级角色" prop="parent_id" v-if="!primary">
      <el-cascader :options="roles" name="parent_id" v-model="formData.parent_id" clearable check-strictly class="w-full"
        @change="getPermissions" :props="{ value: 'id', label: 'role_name', checkStrictly: true }" />
    </el-form-item>
    <el-form-item label="角色名称" prop="role_name" :rules="[
      {
        required: true,
        message: '角色名称必须填写',
      },
    ]">
      <el-input v-model="formData.role_name" name="role_name" clearable />
    </el-form-item>
    <el-form-item label="角色标识" prop="identify" :rules="[
      {
        required: true,
        message: '角色标识必须填写',
      },
    ]">
      <el-input v-model="formData.identify" name="identify" clearable />
    </el-form-item>

    <el-form-item label="角色描述" prop="description">
      <el-input v-model="formData.description" name="description" clearable type="textarea" />
    </el-form-item>
    <el-form-item label="数据权限" prop="data_range">
      <Select v-model="formData.data_range" name="data_range" clearable api="dataRange" class="w-full" />
    </el-form-item>
    <el-form-item label="自定义权限" prop="departments" v-if="showDepartments" :rules="[
      {
        required: true,
        message: '自定义权限必须选择',
      },
    ]">
      <el-tree-select v-model="formData.departments" value-key="id" class="w-full" :data="departments"
        :render-after-expand="false" show-checkbox multiple :props="{ value: 'id', label: 'department_name' }" />
    </el-form-item>
    <el-form-item label="角色权限" prop="permissions">
      <el-tree ref="permissionTree" v-model="formData.permissions" :data="permissions" node-key="id" class="w-full"
        :props="{ label: 'permission_name', value: 'id' }" show-checkbox :default-expand-all="false"
        @check="selectPermissions" :empty-text="permissionLoadingText" />
    </el-form-item>
    <div class="flex justify-end">
      <el-button type="primary" @click="submitForm(form)">{{ $t('system.confirm') }}</el-button>
    </div>
  </el-form>
</template>

<script lang="ts" setup>
import { useCreate } from '@/hook/curd/useCreate';
import { useShow } from '@/hook/curd/useShow';
import { nextTick, onMounted, ref, unref, watch } from 'vue';
import http from '@/support/http';

const props = defineProps({
  primary: String | Number,
  api: String,
  hasPermissions: Array<Object>
});

const emit = defineEmits(['close']);

const {
  formData,
  form,
  loading,
  submitForm,
  close,
  beforeCreate,
  beforeUpdate
} = useCreate(props.api, props.primary);

if (props.primary) {
  const { afterShow } = useShow(props.api, props.primary, formData);

  afterShow.value = formData => {
    const data = unref(formData);
    data.parent_id = data.parent_id ? [data.parent_id] : 0;

    if (!data.data_range) {
      data.data_range = null;
    }

    formData.value = data;
  };
}

const roles = ref();
const permissions = ref();
// 权限树对象
const permissionTree = ref();
//  部门
const departments = ref();
const showDepartments = ref<boolean>(false);

const permissionLoadingText = ref<string>('加载中...');
const getPermissions = async (value = 0) => {
  if (value) {
    http.get('permissions/roles/' + getParent(value)).then(r => {
      permissions.value = r.data.data.permissions;
      setCheckedPermissions();
    });
  } else {
    http.get('permissions/permissions', { from: 'role' }).then(r => {
      permissions.value = r.data.data;
      setCheckedPermissions();
    });
  }
};

const setCheckedPermissions = () => {
  nextTick(() => {
    props.hasPermissions.forEach(p => {
      permissionTree.value.setChecked(p.id, true, false);
    });
    var arr = ref([]);
    props.hasPermissions.forEach(p => {
      arr.value.push(p.id);

    });
    formData.value.permissions = arr;
  });

  if (!permissions.value.length) {
    permissionLoadingText.value = '暂无数据';
  }
};
const getRoles = () => {
  http.get(props.api, { id: props.primary ? props.primary : '' }).then(r => {
    roles.value = r.data.data;
  });
};

const getDepartments = () => {
  http.get('permissions/departments').then(r => {
    departments.value = r.data.data;
  });
};
onMounted(() => {
  getRoles();
  getPermissions();
  getDepartments();
  close(() => emit('close'));
  watch(
    formData,
    function (value) {
      // 如果数据权限是自定义数据
      showDepartments.value = value.data_range === 2;
    },
    { deep: true }
  );
});

const selectPermissions = (checkedNodes, checkedKeys) => {
  formData.value.permissions = checkedKeys.checkedKeys
    .concat(checkedKeys.halfCheckedKeys)
    .sort();

};

// 创建前的钩子
beforeCreate.value = () => {
  formData.value.parent_id = getParent(formData.value.parent_id);
};

// 更新前的钩子
beforeUpdate.value = () => {
  formData.value.parent_id = getParent(formData.value.parent_id);
};

const getParent = (parentId: any) => {
  return typeof parentId === 'undefined' ? 0 : parentId[parentId.length - 1];
};
</script>
<style scoped>
:deep(.el-tree .el-tree__empty-block .el-tree__empty-text) {
  @apply left-10 top-4;
}</style>
