<template>
  <div>
    <button type="primary" @click="showModal">批量导入</button>
    <a-modal v-model:visible="visible" @ok="handleOk" width="900px">
      <div class="sumart-nursing-confim">
        <ExclamationCircleOutlined style="color: #0ed2bf" />
        <span>请按照模板的格式准备要导入的数据。</span>
        <a @click="download">下载模板</a>
      </div>
      <div class="import-content">
        <div class="message-left">
          <p>匹配类型：按照身份证号进行匹配</p>
          <div class="upload-container">
            <span class="file-upload">文件上传：</span>
            <div class="upload-area">
              <div class="import-fun">
                <input
                  type="file"
                  accept=".xlsx, .xls"
                  class="input-file"
                  @change="handleInputClick"
                />
                <div class="input-message">
                  <ExclamationCircleOutlined :style="{ color: '#0ed2bf', fontSize: '60px' }" />
                  <span>点击或将文件拖拽到这里上传</span>
                  <span>支持扩展名: .xlsx, .xls</span>
                </div>
              </div>
            </div>
            <p class="file-name">{{ fileName }}</p>
          </div>
        </div>
        <div class="message-right">
          <span>注意事项</span>
          <p v-for="item in message" :key="item">{{ item.label }}</p>
        </div>
      </div>
    </a-modal>
  </div>
</template>
<script>
  import { defineComponent, ref } from 'vue';
  import { ExclamationCircleOutlined } from '@ant-design/icons-vue';
  import { NsMessage } from '/nerv-lib/component/message';
  import { http } from '/nerv-lib/util/http';

  export default defineComponent({
    name: 'NsUploadModal',
    components: {
      ExclamationCircleOutlined,
    },
    props: {
      message: {
        type: Array,
        default: () => {
          return [
            { label: '1、若身份证不填写，则不能进行导入操作' },
            { label: '2、当身份证号重复时，则更新数据。' },
            { label: '3、数据将从模版的第五行进行导入。' },
            { label: '4、文件导入勿超过5MB。' },
          ];
        },
      },
      maxSize: {
        type: Number,
        default: 5242880,
      },
      url: {
        type: String,
        default: '/api/community/community/objs/Owner/Import',
      },
      downloadUrl: {
        type: String,
        default: 'public/file/ownerImport.xls',
      },
      excelName: {
        type: String,
        default: '防区信息导入模版.xls',
      },
      uploadFileName: {
        type: String,
        default: 'file',
      },
    },
    setup(props) {
      const visible = ref(false);
      const currentFile = ref({});
      const fileName = ref('');

      const handleInputClick = (e) => {
        const file = e.target.files.item(0);
        if (!file) return;
        if (file.size > props.maxSize) {
          NsMessage.error(`文件大小不能超过${props.maxSize / 1024 / 1024}M`);
        }
        currentFile.value = file;
        fileName.value = file.name;
        // 清空，防止上传后再上传没有反应
        e.target.value = '';
      };

      const handleOk = async () => {
        if (currentFile.value === {}) {
          NsMessage.warning('请选择需要上传的文件');
        }
        const formData = new FormData();
        formData.append(props.uploadFileName, currentFile.value);
        const config = {
          headers: {
            'Content-Type': 'multipart/form-data',
          },
        };
        // 上传成功，服务器会自动解析并加入数据库中，前端要做的是刷新页面或者重新调用获取业主列表的接口
        http
          .post(props.url, formData, config)
          .then(() => {
            NsMessage.success('上传成功');
          })
          .catch(() => {
            NsMessage.error('上传失败，请重试');
          });
        visible.value = false;
      };

      const showModal = () => {
        visible.value = true;
      };

      // 下载功能还没有测试，上传文件格式出错后的自动下载出错的Excel功能 还没有做
      function download() {
        downloadFile(props.excelName, props.downloadUrl);
      }

      function downloadFile(name, url) {
        const save_link = document.createElementNS('http://www.w3.org/1999/xhtml', 'a');
        save_link['href'] = url;
        save_link['download'] = name;
        fake_click(save_link);
      }

      function fake_click(obj) {
        // console.log(obj);
        const ev = document.createEvent('MouseEvents');
        ev.initMouseEvent(
          'click',
          true,
          false,
          window,
          0,
          0,
          0,
          0,
          0,
          false,
          false,
          false,
          false,
          0,
          null
        );
        obj.dispatchEvent(ev);
        //防止同步任务过快，导致在列表页面没有最新数据
      }

      return {
        visible,
        currentFile,
        fileName,
        showModal,
        handleOk,
        handleInputClick,
        download,
        downloadFile,
        fake_click,
      };
    },
  });
</script>
<style lang="less" scoped>
  .sumart-nursing-confim {
    background: #e6f7ff;
    margin-top: 20px;
    padding: 8px 16px;
  }

  .sumart-nursing-confim span {
    margin-left: 10px;
  }

  .import-content {
    display: flex;
    margin-top: 20px;
  }

  .upload-container {
    display: flex;
  }

  .file-upload {
    width: 70px;
  }

  .upload-area {
    width: 0px;
    height: 165px;
  }

  .import-fun {
    width: 300px;
    height: 167px;
    border: 1px dashed rgba(0, 0, 0, 0.15);
    padding: 16px;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    position: relative;
  }

  .input-file {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    left: 0;
    top: 0;
    overflow: hidden;
  }

  .input-message {
    height: 167px;
    display: flex;
    flex-direction: column;
    text-align: center;
  }

  .file-name {
    width: 300px;
    margin-top: 170px;
    margin-bottom: 0;
  }

  .message-right {
    width: auto;
    background-color: rgba(255, 247, 235, 1);
    margin-left: 80px;
    padding: 16px;
    display: inline-table;

    > span {
      color: rgba(255, 153, 1, 1);
      font-weight: 500;
      font-size: 14px;
      line-height: 26px;
    }
    p {
      margin-bottom: 0;
    }
  }
</style>