/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import dayjs from 'dayjs'

/**
 * Formatting time
 */
const formatDate = (value, fmt) => {
  fmt = fmt || 'YYYY-MM-DD HH:mm:ss'
  if (value === null) {
    return '-'
  } else {
    return dayjs(formatISODate(value)).format(fmt)
  }
}
/**
 * Formatting iso date
 */
const formatISODate = date => {
  let [datetime, timezone] = date.split('+')
  if (!timezone || timezone.indexOf(':') >= 0) return date
  let hourOfTz = timezone.substring(0, 2) || '00'
  let secondOfTz = timezone.substring(2, 4) || '00'
  return `${datetime}+${hourOfTz}:${secondOfTz}`
}
/**
 * filter null
 */
const filterNull = (value) => {
  if (value === null || value === '') {
    return '-'
  } else {
    return value
  }
}

export {
  formatDate, filterNull
}
