<template>
  <el-dialog 
    :title="form.id ? '编辑文件' : '上传文件'" 
    v-model="visible" 
    :width="600" 
    :close-on-click-modal="false" 
    draggable>
    <el-form 
      ref="dataFormRef" 
      :model="form" 
      :rules="dataRules" 
      label-width="100px" 
      v-loading="loading">
      <el-row :gutter="24">
        <el-col :span="24" class="mb20">
          <el-form-item label="文件名称" prop="fileName">
            <el-input
              v-model="form.fileName"
              placeholder="请输入文件名称"
              style="width: 100%" />
          </el-form-item>
        </el-col>
        <el-col :span="24" class="mb20">
          <el-form-item label="文件上传" prop="fileUrl">
            <Upload
              v-model="form.fileUrl"
              :limit="1"
              uploadFileUrl="/stuwork/file/upload"
              type="default" />
          </el-form-item>
        </el-col>
        <el-col :span="24" class="mb20">
          <el-form-item label="备注" prop="remarks">
            <el-input
              v-model="form.remarks"
              type="textarea"
              :rows="3"
              placeholder="请输入备注"
              :maxlength="250"
              show-word-limit
              style="width: 100%" />
          </el-form-item>
        </el-col>
      </el-row>
    </el-form>
    <template #footer>
      <span class="dialog-footer">
        <el-button @click="visible = false">取 消</el-button>
        <el-button type="primary" @click="onSubmit" :disabled="loading">确 认</el-button>
      </span>
    </template>
  </el-dialog>
</template>

<script setup lang="ts" name="FileManagerFormDialog">
import { ref, reactive, nextTick } from 'vue'
import { useMessage } from '/@/hooks/message'
import { addObj, editObj, getDetail } from '/@/api/stuwork/filemanager'
import Upload from '/@/components/Upload/index.vue'

const emit = defineEmits(['refresh'])

// 定义变量内容
const dataFormRef = ref()
const visible = ref(false)
const loading = ref(false)
const operType = ref('add') // add 或 edit

// 提交表单数据
const form = reactive({
  id: '',
  fileName: '',
  fileUrl: '',
  remarks: '',
  parentId: null as string | null,
  level: '1'
})

// 定义校验规则
const dataRules = {
  fileName: [
    { required: true, message: '请输入文件名称', trigger: 'blur' }
  ],
  fileUrl: [
    { required: true, message: '请上传文件', trigger: 'change' }
  ]
}

// 打开弹窗
const openDialog = async (type: string = 'add', row?: any) => {
  visible.value = true
  operType.value = type
  
  // 重置表单数据
  nextTick(() => {
    dataFormRef.value?.resetFields()
    form.id = ''
    form.fileName = ''
    form.fileUrl = ''
    form.remarks = ''
    form.parentId = row?.parentId ?? null
    form.level = row?.level || '1'
    
    // 编辑时填充数据
    if (type === 'edit' && row) {
      form.id = row.id
      form.fileName = row.fileName || ''
      form.fileUrl = row.fileUrl || ''
      form.remarks = row.remarks || ''
      form.parentId = row.parentId || null
      form.level = row.level || '1'
      
      // 如果需要获取详情
      if (row.id && !row.fileUrl) {
        loading.value = true
        getDetail(row.id).then((res: any) => {
          if (res.data) {
            form.fileName = res.data.fileName || form.fileName
            form.fileUrl = res.data.fileUrl || ''
            form.remarks = res.data.remarks || ''
            form.parentId = res.data.parentId || form.parentId
            form.level = res.data.level || form.level
          }
        }).finally(() => {
          loading.value = false
        })
      }
    }
  })
}

// 提交表单
const onSubmit = async () => {
  if (!dataFormRef.value) return
  
  await dataFormRef.value.validate(async (valid: boolean) => {
    if (!valid) return
    
    loading.value = true
    try {
      const submitData = {
        fileName: form.fileName,
        fileUrl: form.fileUrl,
        remarks: form.remarks,
        parentId: form.parentId || '-1',
        level: form.level
      }
      
      if (operType.value === 'add') {
        await addObj(submitData)
        useMessage().success('新增成功')
      } else {
        await editObj({
          id: form.id,
          ...submitData
        })
        useMessage().success('编辑成功')
      }
      visible.value = false
      emit('refresh')
    } catch (err: any) {
      if (!err?._messageShown) {
        useMessage().error(err?.msg || (operType.value === 'add' ? '新增失败' : '编辑失败'))
      }
    } finally {
      loading.value = false
    }
  })
}

// 暴露方法
defineExpose({
  openDialog
})
</script>

<style scoped lang="scss">
.mb20 {
  margin-bottom: 20px;
}
</style>
