<template>
  <!-- 新闻动态 -->
  <div class="newsPage">
    <div class="searchBoxs">
      <n-space>
        <n-input v-model:value="searchVal1" placeholder="请输入新闻标题" style="width: 200px" clearable> </n-input>
        <n-button type="primary" @click="handleClick('search')">
          <template #icon>
            <n-icon><Search /></n-icon>
          </template>
          搜索
        </n-button>
        <n-button type="primary" @click="handleClick('add')">
          <template #icon>
            <n-icon><Add /></n-icon>
          </template>
          新增新闻
        </n-button>
      </n-space>
    </div>
    <!-- 表格 -->
    <div class="tableBox">
      <n-data-table
        :bordered="false"
        :max-height="700"
        striped
        :columns="columns"
        :data="tableData"
        :loading="tableLoading"
        :remote="true"
        :pagination="pagination"
      >
      </n-data-table>
    </div>
    <!-- 新增修改弹窗 -->
    <n-modal
      :title="modalTitle"
      :mask-closable="false"
      preset="dialog"
      :show-icon="false"
      :style="{ width: '800px' }"
      v-model:show="modalShow"
    >
      <n-form ref="formRef" :label-width="100" :rules="formInfo.rules" :model="formInfo.data" label-placement="left">
        <n-form-item label="新闻标题：" path="title">
          <n-input v-model:value="formInfo.data.title" placeholder="请输入新闻标题" />
        </n-form-item>
        <n-form-item label="缩略图：" class="uploadWarns" path="fileNo">
          <n-upload v-model:file-list="uploadList" accept=".jpg,.png,.jpeg,.svg,.gif" :max="1" list-type="image-card" @change="changeFile">
          </n-upload>
          <span style="margin-top: 10px">提示：格式为.jpg,.png,.jpeg,.svg,.gif,大小小于2M</span>
        </n-form-item>
        <n-form-item label="新闻简介：" path="degist">
          <n-input v-model:value="formInfo.data.degist" placeholder="请输入新闻简介" />
        </n-form-item>
        <n-form-item label="新闻内容：" path="content">
          <Editor @editorContent="editorContent" ref="richEditor" />
        </n-form-item>
      </n-form>
      <template #action>
        <n-space>
          <n-button @click="() => (modalShow = false)">取消</n-button>
          <n-button type="primary" @click="handleClick('submit')">确定 </n-button>
        </n-space>
      </template>
    </n-modal>
  </div>
</template>

<script>
import { toRefs, onMounted, reactive, h, ref, nextTick } from 'vue';
import { Search, Add } from '@vicons/ionicons5';
import { NButton, NImage } from 'naive-ui';
import { fileUpload, fileDelete, xwdtSearch, xwdtSave, xwdtUpdate, articalDelete } from '@/services';
import { resetForm, formatDate } from '@/utils/util';
import Editor from './editor.vue';

export default {
  name: 'newsPage',
  components: { Search, Add, NButton, Editor },
  setup() {
    const allData = reactive({
      searchVal1: null,
      modalTitle: '新增',
      modalShow: false,
      uploadList: [],
      formInfo: {
        data: {
          title: null,
          degist: '',
          fileNo: [],
          content: '',
        },
        rules: {
          title: {
            required: true,
            trigger: ['blur'],
            message: '请输入新闻标题',
          },
          degist: {
            required: true,
            trigger: ['blur'],
            message: '请输入新闻简介',
          },
          content: {
            required: true,
            trigger: ['blur'],
            message: '请输入新闻内容',
          },
          fileNo: {
            type: 'array',
            required: true,
            trigger: ['blur'],
            message: '请上传图片',
          },
        },
      },
      tableLoading: true,
      tableData: [],
      columns: [
        {
          title: '序号',
          align: 'center',
          width: '80',
          render(row, index) {
            return (paginationReactive.page - 1) * paginationReactive.pageSize + index + 1;
          },
        },
        {
          title: '封面缩略图',
          align: 'center',
          render(row) {
            let lists = row.fileList == null ? [] : row.fileList;
            let value = [];
            lists.map((item, index) => {
              let imgs = h(NImage, {
                width: 50,
                height: 50,
                style: 'margin-right:5px;',
                src: item.fileCloudStorageKey,
              });
              value.push(imgs);
            });
            return value;
          },
        },
        { title: '新闻标题', align: 'center', key: 'title' },
        { title: '新闻简介', align: 'center', key: 'degist' },
        { title: '创建时间', align: 'center', key: 'createTime' },
        { title: '修改时间', align: 'center', key: 'updateTime' },
        {
          title: '操作',
          key: 'actions',
          width: '220',
          align: 'center',
          render(row) {
            const btn = allData.actionColumn.map((item, index) => {
              return h(
                NButton,
                {
                  text: true,
                  size: item.size,
                  style: {
                    margin: '10px',
                  },
                  type: item.btnType,
                  onClick: () => handleClick(item.type, row),
                },
                { default: () => item.default }
              );
            });
            return btn;
          },
        },
      ],
      actionColumn: [
        {
          size: 'small',
          btnType: 'primary',
          type: 'edit',
          default: '修改',
        },
        {
          size: 'small',
          btnType: 'error',
          type: 'delete',
          default: '删除',
        },
      ],
    });
    //分页
    const paginationReactive = reactive({
      page: 1,
      pageSize: 10,
      showSizePicker: true,
      pageSizes: [10, 20, 50],
      showQuickJumper: true,
      pageCount: 0,
      itemCount: 0,
      prefix: () => {
        return '共 ' + paginationReactive.itemCount + ' 项';
      },
      onChange: (page) => {
        paginationReactive.page = page;
        getTableData();
      },
      onPageSizeChange: (pageSize) => {
        paginationReactive.pageSize = pageSize;
        paginationReactive.page = 1;
        getTableData();
      },
    });
    const getTableData = async () => {
      allData.tableLoading = true;
      let pramas = {
        current: paginationReactive.page,
        size: paginationReactive.pageSize,
        title: allData.searchVal1,
      };
      let res = await xwdtSearch(pramas);
      if (res && res.code == 200) {
        allData.tableData = res.data.records;
        paginationReactive.pageCount = res.data.pages;
        paginationReactive.itemCount = res.data.total;
      }
      allData.tableLoading = false;
    };
    const formRef = ref(null);
    const richEditor = ref(null);
    // 点击事件
    const handleClick = async (type, row) => {
      switch (type) {
        case 'search':
          paginationReactive.page = 1;
          getTableData();
          break;
        case 'add':
          allData.modalTitle = '新增';
          resetForm(allData.formInfo.data);
          allData.modalShow = true;
          allData.uploadList = [];
          allData.formInfo.data.fileNo = [];
          break;
        case 'edit':
          allData.modalTitle = '修改';
          allData.formInfo.data = { ...row };
          allData.modalShow = true;
          allData.formInfo.data.fileNo = [];
          allData.formInfo.data.fileNo.push(row.fileList.length > 0 ? row.fileList[0].fileNo : '');
          // 富文本默认值
          nextTick(() => {
            richEditor.value.content = row.content;
          });
          // 图片文件默认填充
          allData.uploadList = [];
          if (row.fileList != null && row.fileList.length > 0) {
            row.fileList.map((item) => {
              let param = {
                id: item.id,
                name: item.tableName,
                status: 'finished',
                url: item.fileCloudStorageKey,
              };
              allData.uploadList.push(param);
            });
          }
          break;
        case 'submit':
          formRef.value.validate((errors) => {
            if (!errors) {
              submitData();
            } else {
              $message.error('验证失败,请检查必填项');
            }
          });
          break;
        case 'delete':
          $dialog.info({
            title: '提示',
            content: `确定删除该数据吗？`,
            positiveText: '确定',
            negativeText: '取消',
            onPositiveClick: () => {
              let ids = [row.id];
              dataDel(ids);
            },
          });
          break;
      }
    };
    // 删除数据
    async function dataDel(ids) {
      let res = await articalDelete({ ids: ids });
      if (res && res.code === 200) {
        $message.success('删除成功');
        getTableData();
      }
    }
    // 提交数据
    async function submitData() {
      let params = { ...allData.formInfo.data };
      if (allData.modalTitle == '新增') {
        let res = await xwdtSave(params);
        if (res && res.code == 200) {
          $message.success('操作成功');
          getTableData();
          allData.modalShow = false;
        }
      } else {
        let res = await xwdtUpdate(params);
        if (res && res.code == 200) {
          $message.success('操作成功');
          getTableData();
          allData.modalShow = false;
        }
      }
    }
    // 文件上传和删除
    const changeFile = async (file) => {
      console.log(file, '文件上传');
      $loadingBar.start();
      if (file.event) {
        // 文件上传大小判断
        let size = file.file.file.size / 1024 / 1024;
        if (size > 2) {
          $message.error('图片大小大于2M，请删除后重新上传');
          setTimeout(() => {
            allData.uploadList = [
              {
                id: file.file.id,
                name: file.file.name,
                status: 'error',
              },
            ];
          });
          return false;
        }
        // 文件上传
        let formdata = new FormData();
        formdata.append('files', file.file.file);
        let config = {
          headers: { 'Content-Type': 'multipart/form-data' },
        };
        let res = await fileUpload(formdata, config);
        if (res && res.code === 200) {
          if (res.data.length > 0) {
            allData.formInfo.data.fileNo.push(res.data[0].fileNo);
          }
        } else {
          allData.uploadList = [];
          let param = {
            id: file.file.id,
            name: file.file.name,
            status: 'error',
          };
          allData.uploadList.push(param);
        }
        $loadingBar.finish();
      } else {
        // 文件删除
        // console.log(allData.formInfo.data.fileNo);
        // let res = await fileDelete(allData.formInfo.data.fileNo);
        // if (res && res.code === 200) {
        allData.formInfo.data.fileNo = [];
        // }
      }
    };
    // 获取从富文本传过来的值
    const editorContent = (obj) => {
      allData.formInfo.data.content = obj;
    };
    onMounted(() => {
      getTableData();
    });
    return {
      ...toRefs(allData),
      pagination: paginationReactive,
      handleClick,
      getTableData,
      changeFile,
      formRef,
      editorContent,
      richEditor,
    };
  },
};
</script>

<style lang="less" scoped>
.newsPage {
  width: 100%;
  .searchBoxs {
    margin: 10px;
  }
}
</style>