<template>
  <div class="app-container">
    <el-card shadow="never">
      <el-container style="height: 100%">
        <el-header style="height: max-content;">
              
          <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch">
            <el-form-item label="文件名" prop="fileName">
              <el-input
                v-model="queryParams.fileName"
                placeholder="请输入文件名"
                clearable
                style="width: 200px"
                @keyup.enter="handleQuery"
              />
            </el-form-item>
            <el-form-item label="原名" prop="originalName">
              <el-input
                v-model="queryParams.originalName"
                placeholder="请输入原名"
                clearable
                style="width: 200px"
                @keyup.enter="handleQuery"
              />
            </el-form-item>
            <el-form-item label="文件后缀" prop="fileSuffix">
              <el-input
                v-model="queryParams.fileSuffix"
                placeholder="请输入文件后缀"
                clearable
                style="width: 200px"
                @keyup.enter="handleQuery"
              />
            </el-form-item>
            <el-form-item label="创建时间">
              <el-date-picker
                v-model="daterangeCreateTime"
                value-format="YYYY-MM-DD HH:mm:ss"
                type="daterange"
                range-separator="-"
                start-placeholder="开始日期"
                end-placeholder="结束日期"
                :default-time="[new Date(2000, 1, 1, 0, 0, 0), new Date(2000, 1, 1, 23, 59, 59)]"
              ></el-date-picker>
            </el-form-item>
            <el-form-item label="上传人" prop="createBy">
              <el-input
                v-model="queryParams.createBy"
                placeholder="请输入上传人"
                clearable
                style="width: 200px"
                @keyup.enter="handleQuery"
              />
            </el-form-item>
            <el-form-item label="服务商" prop="service">
              <el-input
                v-model="queryParams.service"
                placeholder="请输入服务商"
                clearable
                style="width: 200px"
                @keyup.enter="handleQuery"
              />
            </el-form-item>
            <el-form-item>
              <el-button type="primary" icon="search" @click="handleQuery">搜索</el-button>
              <el-button icon="Refresh" @click="resetQuery">重置</el-button>
            </el-form-item>
          </el-form>

          <el-row :gutter="10" class="mb8">
            <el-col :span="1.5">
              <el-button
                type="primary"
                plain
                icon="Plus"
                @click="handleFile"
                v-hasPermi="['system:oss:upload']"
              >上传文件</el-button>
            </el-col>
            <el-col :span="1.5">
              <el-button
                type="primary"
                plain
                icon="Plus"
                @click="handleImage"
                v-hasPermi="['system:oss:upload']"
              >上传图片</el-button>
            </el-col>
            <el-col :span="1.5">
              <el-button
                type="danger"
                plain
                icon="Delete"
                :disabled="multiple"
                @click="handleDelete"
                v-hasPermi="['system:oss:remove']"
              >删除</el-button>
            </el-col>
            <el-col :span="1.5">
              <el-button
                :type="previewListResource ? 'danger' : 'warning'"
                plain
                @click="handlePreviewListResource(!previewListResource)"
                v-hasPermi="['system:oss:edit']"
              >预览开关 : {{previewListResource ? "禁用" : "启用"}}</el-button>
            </el-col>
            <el-col :span="1.5">
              <el-button
                type="info"
                plain
                icon="Operation"
                @click="handleOssConfig"
                v-hasPermi="['system:oss:list']"
              >配置管理</el-button>
            </el-col>
            <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
          </el-row>
        </el-header>
        <el-main id="max-height">
          <el-table v-loading="loading" :max-height="windowSize.height" :data="ossList" @selection-change="handleSelectionChange"
                    :header-cell-class-name="handleHeaderClass"
                    @header-click="handleHeaderCLick"
                    v-if="showTable">
            <el-table-column type="selection" width="55" align="center" />
            <el-table-column label="对象存储主键" align="center" prop="ossId" v-if="false"/>
            <el-table-column label="文件名" align="center" prop="fileName" />
            <el-table-column label="原名" align="center" prop="originalName" />
            <el-table-column label="文件后缀" align="center" prop="fileSuffix" />
            <el-table-column label="文件展示" align="center" prop="url">
              <template #default="scope">
                <ImagePreview
                  v-if="previewListResource && checkFileSuffix(scope.row.fileSuffix)"
                  :width="100" :height="100"
                  :src="scope.row.url"
                  :preview-src-list="[scope.row.url]"/>
                <span v-text="scope.row.url"
                      v-if="!checkFileSuffix(scope.row.fileSuffix) || !previewListResource"/>
              </template>
            </el-table-column>
            <el-table-column label="创建时间" align="center" prop="createTime" width="180" sortable="custom">
              <template #default="scope">
                <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d}') }}</span>
              </template>
            </el-table-column>
            <el-table-column label="上传人" align="center" prop="createBy" />
            <el-table-column label="服务商" align="center" prop="service" sortable="custom"/>
            <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
              <template #default="scope">
                <el-button link type="primary" icon="Edit" @click="handleDownload(scope.row)" v-hasPermi="['system:oss:download']">下载</el-button>
                <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['system:oss:remove']">删除</el-button>
              </template>
            </el-table-column>
          </el-table>
        </el-main>
        
        <pagination
            v-show="total>0"
            :total="total"
            v-model:page="queryParams.pageNum"
            v-model:limit="queryParams.pageSize"
            @pagination="getList"
          />
      </el-container>

      <!-- 添加或修改OSS对象存储对话框 -->
      <el-dialog :title="title" v-model="open" width="500px" append-to-body>
        <el-form ref="ossRef" :model="form" :rules="rules" label-width="80px">
          <el-form-item label="文件名">
            <fileUpload v-model="form.file" :fileType='["doc", "xls", "ppt", "pdf", "txt", "docx"]' v-if="type === 0"/>
            <imageUpload v-model="form.file" :fileType='["png", "jpg", "jpeg", "ico"]' v-if="type === 1"/>
          </el-form-item>
        </el-form>
        <template #footer>
          <div class="dialog-footer">
            <el-button :loading="buttonLoading" type="primary" @click="submitForm">确 定</el-button>
            <el-button @click="cancel">取 消</el-button>
          </div>
        </template>
      </el-dialog>
    </el-card>
  </div>
</template>

<script setup name="Oss">
import { listOss, delOss } from "@/api/system/oss";
import ImagePreview from "@/components/ImagePreview/index.vue";
import { useTableHeight } from '@/hooks/useTableHeight'

const router = useRouter();
const { proxy } = getCurrentInstance();

const ossList = ref([]);
const open = ref(false);
const showTable = ref(true);
const buttonLoading = 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 type = ref(0);
const previewListResource = ref(true);
const daterangeCreateTime = ref([]);
// 默认排序
const defaultSort = ref({prop: 'createTime', order: 'ascending'});
const { windowSize } = useTableHeight('max-height')

const data = reactive({
  form: {},
  // 查询参数
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    fileName: undefined,
    originalName: undefined,
    fileSuffix: undefined,
    url: undefined,
    createTime: undefined,
    createBy: undefined,
    service: undefined
  },
  rules: {
    file: [
      { required: true, message: "文件不能为空", trigger: "blur" }
    ]
  }
});

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

/** 查询OSS对象存储列表 */
function getList() {
  loading.value = true;
  proxy.getConfigKey("sys.oss.previewListResource").then(response => {
    previewListResource.value = response.msg === undefined ? true : response.msg === 'true';
  });
  listOss(proxy.addDateRange(queryParams.value, daterangeCreateTime.value, "CreateTime")).then(response => {
    ossList.value = response.rows;
    total.value = response.total;
    loading.value = false;
    showTable.value = true;
  });
}
function checkFileSuffix(fileSuffix) {
  let arr = ["png", "jpg", "jpeg"];
  return arr.some(type => {
    return fileSuffix.indexOf(type) > -1;
  });
}
/** 取消按钮 */
function cancel() {
  open.value = false;
  reset();
}
/** 表单重置 */
function reset() {
  form.value = {
    file: undefined,
  };
  proxy.resetForm("ossRef");
}
/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}
/** 重置按钮操作 */
function resetQuery() {
  showTable.value = false;
  daterangeCreateTime.value = [];
  proxy.resetForm("queryRef");
  queryParams.value.orderByColumn = defaultSort.value.prop;
  queryParams.value.isAsc = defaultSort.value.order;
  handleQuery();
}
/** 选择条数  */
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.ossId);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}
// 设置列的排序为我们自定义的排序
function handleHeaderClass({column}) {
  column.order = column.multiOrder
}
// 点击表头进行排序
function handleHeaderCLick(column) {
  if (column.sortable !== 'custom') {
    return
  }
  switch (column.multiOrder) {
    case 'descending':
      column.multiOrder = 'ascending';
      break;
    case 'ascending':
      column.multiOrder = '';
      break;
    default:
      column.multiOrder = 'descending';
      break;
  }
  handleOrderChange(column.property, column.multiOrder)
}
function handleOrderChange(prop, order) {
  let orderByArr = queryParams.value.orderByColumn ? queryParams.value.orderByColumn.split(",") : [];
  let isAscArr = queryParams.value.isAsc ? queryParams.value.isAsc.split(",") : [];
  let propIndex = orderByArr.indexOf(prop)
  if (propIndex !== -1) {
    if (order) {
      //排序里已存在 只修改排序
      isAscArr[propIndex] = order;
    } else {
      //如果order为null 则删除排序字段和属性
      isAscArr.splice(propIndex, 1);//删除排序
      orderByArr.splice(propIndex, 1);//删除属性
    }
  } else {
    //排序里不存在则新增排序
    orderByArr.push(prop);
    isAscArr.push(order);
  }
  //合并排序
  queryParams.value.orderByColumn = orderByArr.join(",");
  queryParams.value.isAsc = isAscArr.join(",");
  getList();
}
/** 任务日志列表查询 */
function handleOssConfig() {
  router.push('/system/oss-config/index')
}
/** 文件按钮操作 */
function handleFile() {
  reset();
  open.value = true;
  title.value = "上传文件";
  type.value = 0;
}
/** 图片按钮操作 */
function handleImage() {
  reset();
  open.value = true;
  title.value = "上传图片";
  type.value = 1;
}
/** 提交按钮 */
function submitForm() {
  open.value = false;
  getList();
}
/** 下载按钮操作 */
function handleDownload(row) {
  proxy.$download.oss(row.ossId)
}
/** 用户状态修改  */
function handlePreviewListResource(previewListResource) {
  let text = previewListResource ? "启用" : "停用";
  proxy.$modal.confirm('确认要"' + text + '""预览列表图片"配置吗?').then(() => {
    return proxy.updateConfigByKey("sys.oss.previewListResource", previewListResource);
  }).then(() => {
    getList()
    proxy.$modal.msgSuccess(text + "成功");
  }).catch(() => {});
}
/** 删除按钮操作 */
function handleDelete(row) {
  const ossIds = row.ossId || ids.value;
  proxy.$modal.confirm('是否确认删除OSS对象存储编号为"' + ossIds + '"的数据项?').then(() => {
    loading.value = true;
    return delOss(ossIds);
  }).then(() => {
    loading.value = false;
    getList();
    proxy.$modal.msgSuccess("删除成功");
  }).finally(() => {
    loading.value = false;
  });
}

getList();
</script>