/**
 * 表头通过标签管理配置的模块的表格数据的混入
 */
import { downFile, downloadFile, postAction } from '@api/manage'
import Vue from 'vue'
import { ACCESS_TOKEN } from '@/store/mutation-types'
import store from '@/store'

let importModalLoading

export const ConfigurableTableMixin = {
  data () {
    return {
      /* 分页参数 */
      ipagination: {
        current: 1,
        pageSize: 50,
        pageSizeOptions: ['10', '50', '100', '150', '200'],
        showTotal: (total, range) => {
          return range[0] + '-' + range[1] + ' ' + this.$t('total') + ' ' + total + ' ' + this.$t('strip')
        },
        showQuickJumper: true,
        showSizeChanger: true,
        total: 0
      },
      columns: [],
      selectedRowKeys: [],
      dataSource: [],
      isTrue: false, // 是否显示
      searchParams: {},
      loading: false,
      orderBy: '1',
      orderByField: '',
      operateMaxNum: 1,
      // 操作列的column
      operateColumn: {
        title: this.$t('operation'),
        align: 'center',
        fixed: 'right',
        scopedSlots: { customRender: 'operation' }
      },
      // type: '', // 这个字段不知道什么含义
      filters: {}, // 固定的搜索条件
      needFilterTableBtn: true, // 是否需要过滤没有权限的按钮
      tokenHeader: { 'X-Access-Token': Vue.ls.get(ACCESS_TOKEN) },
      getTableHeaderFunc: null // 获取表头的方法
    }
  },
  computed: {
    importExcelUrl () {
      return `${window._CONFIG.domianURL}${this.url.importUrl}`
    }
  },
  mounted () {
    this.getTableHeader()
    // this.loadData()
    // 过滤没有权限的按钮
    // if (this.needFilterTableBtn) {
    //   this.operationList = this.operationList.filter(item => isHasPermission(item.has))
    // }
  },
  methods: {
    /**
     * 查询，通过search组件$emit事件获取查询参数
     * @param queryParam
     */
    searchQuery (queryParam) {
      Object.keys(queryParam).forEach(res => {
        if (queryParam[res] instanceof Array) {
          queryParam[res] = queryParam[res].join(',')
        }
      })
      this.searchParams = queryParam
      this.getTableHeader()
      this.loadData()
    },
    /**
     * 重置查询
     */
    searchReset () {
      this.searchParams = {}
      this.selectedRowKeys = []
      this.getData()
      this.getTableList()
    },
    /**
     * 获取表头数据
     */
    getTableHeader () {
      if (!this.getTableHeaderFunc && typeof this.getTableHeaderFunc !== 'function') {
        return
      }
      const params = { module: this.flag }
      this.getTableHeaderFunc(params).then(res => {
        if (res.success) {
          this.columns = this.dealColumns(res.result || [])
          this.isTrue = false
          this.$nextTick(() => {
            this.isTrue = true
          })
        }
      })
    },
    /**
     * 处理表头数据
     * @param columns
     * @returns {*[]}
     */
    dealColumns (columns) {
      const tempColumns = []
      columns.forEach(item => {
        // 可点击项加入插槽
        if (item.click === 'true') {
          item.scopedSlots = {
            customRender: 'detailClick'
          }
        } else if (item.urlClick === 'true') {
          item.scopedSlots = {
            customRender: 'urlClick'
          }
        }
        // 是否可排序
        item.sorter = item.sortFlag === 1
        item.width = 215
        item.title = item.dbFieldTxt
        item.dataIndex = item.dbFieldName
        tempColumns.push(item)
      })
      if (this.showAction && this.operateColumn) {
        let width = 0
        if (this.operationList && this.operationList.length > 0) {
          width += this.getTextWith(this.operationList[0].text) + this.getTextWith(this.$t('more'))
        }
        const operateColumn = JSON.parse(JSON.stringify(this.operateColumn))
        operateColumn.width = width || 100
        tempColumns.push(operateColumn)
      }
      return tempColumns
    },
    /**
     * 通过文字获取列宽
     * @param text
     * @param fontStyle
     * @returns {number}
     */
    getTextWith (text, fontStyle) {
      const canvas = document.createElement('canvas')
      const context = canvas.getContext('2d')
      context.font = fontStyle || '14px' // 设置字体样式
      const dimension = context.measureText(text)
      return dimension.width + 40
    },
    getQueryParams () {
      const pageNo = this.ipagination.current
      const pageSize = this.ipagination.pageSize
      return {
        ...this.filters,
        ...this.searchParams,
        orderBy: this.orderBy,
        orderByField: this.orderByField,
        module: this.flag,
        pageNo: pageNo,
        pageSize: pageSize
      }
    },
    loadData (arg) {
      if (!this.url.list) {
        this.$message.error('请设置url.list属性!')
        return
      }
      // 加载数据 若传入参数1则加载第一页的内容
      if (arg === 1) {
        this.ipagination.current = 1
      }
      const params = this.getQueryParams()
      this.loading = true
      postAction(this.url.list, params).then((res) => {
        if (res.success) {
          if (res.result.current > 1 && res.result.records.length === 0) {
            this.ipagination.current = res.result.current - 1
            this.loadData()
            return
          }
          this.dataSource = res.result.records || []
          this.ipagination.total = res.result.total
        } else {
          this.$message.warn(res.message)
        }
      }).finally(() => {
        this.loading = false
      })
    },
    tableOnChange (pagination, filters, sorter) {
      this.orderBy = sorter.order === 'ascend' ? '1' : '2'
      this.orderByField = sorter.columnKey
      this.ipagination = pagination
      this.loadData(1)
    },
    onSelectChange (selectedRowKeys) {
      this.selectedRowKeys = selectedRowKeys
    },
    /* 导入 */
    handleImportExcel (info) {
      // 加一个大的提示
      if (!this.loading) {
        importModalLoading = this.$info({
          title: '提示',
          content: <span>正在导入，请稍候 <a-spin size="small" /></span>,
          keyboard: false
        })
      }
      this.loading = true
      // 把知道了这个按钮去掉
      this.$nextTick(() => {
        document.getElementsByClassName('ant-modal-confirm-btns')[0].style = 'display:none'
      })
      if (info.file.status !== 'uploading') {
        console.log(info.file, info.fileList)
      }
      if (info.file.status === 'done') {
        // 销毁这个提示
        importModalLoading && importModalLoading.destroy()
        this.loading = false
        if (info.file.response.success) {
          // this.$message.success(`${info.file.name} 文件上传成功`);
          if (info.file.response.code === 201) {
            const { message, result: { msg, fileUrl, fileName } } = info.file.response
            const href = window._CONFIG.domianURL + fileUrl
            this.$warning({
              title: message,
              content: (
                <div>
                  <span>{msg}</span><br />
                  <span>具体详情请 <a href={href} target="_blank" download={fileName}>点击下载</a> </span>
                </div>
              )
            })
          } else {
            this.$message.success(info.file.response.message || `${info.file.name} 文件上传成功`)
          }
          this.loadData()
        } else {
          this.$message.error(`${info.file.name} ${info.file.response.message}.`)
        }
      } else if (info.file.status === 'error') {
        // 销毁这个提示
        importModalLoading && importModalLoading.destroy()
        this.loading = false
        if (info.file.response.status === 500) {
          const data = info.file.response
          const token = Vue.ls.get(ACCESS_TOKEN)
          if (token && data.message.includes('Token失效')) {
            this.error({
              title: '登录已过期',
              content: '很抱歉，登录已过期，请重新登录',
              okText: '重新登录',
              mask: false,
              onOk: () => {
                store.dispatch('Logout').then(() => {
                  Vue.ls.remove(ACCESS_TOKEN)
                  window.location.reload()
                })
              }
            })
          }
        } else {
          this.$message.error(`文件上传失败: ${info.file.msg} `)
        }
      }
    },
    /**
     * 导出
     * @param fileName
     */
    handleExportXls (fileName) {
      if (!fileName || typeof fileName !== 'string') {
        fileName = '导出文件'
      }
      const param = this.getQueryParams()
      if (this.selectedRowKeys && this.selectedRowKeys.length > 0) {
        param.selections = this.selectedRowKeys.join(',')
      }
      console.log('导出参数', param)
      // 加一个大的提示
      const modalLoading = this.$info({
        title: this.$t('tips'),
        content: <span>{this.$t('exportTip')}
          <a-spin size="small" /></span>,
        keyboard: false
      })
      // 把知道了这个按钮去掉
      this.$nextTick(() => {
        document.getElementsByClassName('ant-modal-confirm-btns')[0].style = 'display:none'
      })
      downFile(this.url.exportXlsUrl, param).then((data) => {
        if (!data) {
          this.$message.warning(this.$t('fileDownloadFail'))
          return
        }
        if (typeof window.navigator.msSaveBlob !== 'undefined') {
          window.navigator.msSaveBlob(new Blob([data], { type: 'application/vnd.ms-excel' }), fileName + '.xls')
        } else {
          const url = window.URL.createObjectURL(new Blob([data], { type: 'application/vnd.ms-excel' }))
          const link = document.createElement('a')
          link.style.display = 'none'
          link.href = url
          link.setAttribute('download', fileName + '.xls')
          document.body.appendChild(link)
          link.click()
          document.body.removeChild(link) // 下载完成移除元素
          window.URL.revokeObjectURL(url) // 释放掉blob对象
        }
      }).finally(() => {
        // 销毁这个提示
        modalLoading.destroy()
      })
    },
    /**
     * 带文件导出
     * @param fileName
     */
    handleFileExport (fileName) {
      if (!fileName || typeof fileName !== 'string') {
        fileName = '带文件导出文件'
      }
      const param = this.getQueryParams()
      if (this.selectedRowKeys && this.selectedRowKeys.length > 0) {
        param.selections = this.selectedRowKeys.join(',')
      }
      console.log('导出参数', param)
      // 加一个大的提示
      const modalLoading = this.$info({
        title: this.$t('tips'),
        content: <span>{this.$t('exportTip')}
          <a-spin size="small" /></span>,
        keyboard: false
      })
      // 把知道了这个按钮去掉
      this.$nextTick(() => {
        document.getElementsByClassName('ant-modal-confirm-btns')[0].style = 'display:none'
      })
      downFile(this.url.exportZipUrl, param).then((data) => {
        if (!data) {
          this.$message.warning(this.$t('fileDownloadFail'))
        }
      }).finally(() => {
        // 销毁这个提示
        modalLoading.destroy()
      })
    },
    // 下载导入模板
    downTemplate (fileName) {
      if (!fileName || typeof fileName !== 'string') {
        fileName = '模板文件'
      }
      downloadFile(this.url.downTemplateUrl, fileName + '.xlsx')
    },
    /**
     * 批量删除
     */
    batchDel () {
      if (!this.url.delete) {
        this.$message.error('请设置url.deleteBatch属性!')
        return
      }
      if (this.selectedRowKeys.length <= 0) {
        this.$message.warning(this.$t('selectARecord'))
      } else {
        let ids = ''
        for (let a = 0; a < this.selectedRowKeys.length; a++) {
          ids += this.selectedRowKeys[a] + ','
        }
        const that = this
        this.$confirm({
          title: this.$t('confirmBatchDeletion'),
          content: this.$t('deleteAData'),
          onOk: function () {
            that.loading = true
            postAction(that.url.delete, { ids: ids }).then((res) => {
              if (res.success) {
                // 重新计算分页问题
                that.reCalculatePage(that.selectedRowKeys.length)
                that.$message.success(res.message)
                that.loadData()
                that.onClearSelected()
              } else {
                that.$message.warning(res.message)
              }
            }).finally(() => {
              that.loading = false
            })
          }
        })
      }
    },
    /**
     * 删除
     * @param id
     */
    handleDelete (id) {
      if (!this.url.delete) {
        this.$message.error('请设置url.delete属性!')
        return
      }
      const that = this
      this.$confirm({
        title: this.$t('confirmDeletion'),
        content: this.$t('areYouSure'),
        onOk: () => {
          postAction(that.url.delete, { ids: id }).then((res) => {
            if (res.success) {
              that.$message.success(res.message)
              // 判断当前删除的数据是否是最后一页的最后一条数据，如果是的话页码减一
              if (that.ipagination.current > 1 && ((that.ipagination.current - 1) * that.ipagination.pageSize) + 1 === that.ipagination.total) {
                that.ipagination.current -= 1
              }
              that.loadData()
            } else {
              that.$message.warning(res.message)
            }
          })
        }
      })
    },
    handleEdit (record) {
      this.$refs.modalForm.edit(record)
      this.$refs.modalForm.title = this.$t('edit')
      this.$refs.modalForm.disableSubmit = false
    },
    handleAdd () {
      this.$refs.modalForm.add()
      this.$refs.modalForm.title = this.$t('newlyAdded')
      this.$refs.modalForm.disableSubmit = false
    },
    modalFormOk () {
      // 新增/修改 成功时，重载列表
      this.loadData()
      // 清空列表选中
      this.onClearSelected()
    },
    onClearSelected () {
      this.selectedRowKeys = []
    },
    handleImportByFileId (fileId) {
      // TODO 完善通过文件id上传文件的方法
    }
  }
}