///
/// Copyright © 2016-2020 The Thingsboard Authors
///
/// Licensed 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 { Pipe, PipeTransform } from '@angular/core';
import { TranslateService } from '@ngx-translate/core';

@Pipe({
  name: 'milliSecondsToTimeString'
})
export class MillisecondsToTimeStringPipe implements PipeTransform {

  constructor(private translate: TranslateService) {
  }

  transform(millseconds: number, args?: any): string {
    let seconds = Math.floor(millseconds / 1000);
    const days = Math.floor(seconds / 86400);
    let hours = Math.floor((seconds % 86400) / 3600);
    let minutes = Math.floor(((seconds % 86400) % 3600) / 60);
    seconds = seconds % 60;
    let timeString = '';
    if (days > 0) {
      timeString += this.translate.instant('timewindow.days', {days});
    }
    if (hours > 0) {
      if (timeString.length === 0 && hours === 1) {
        hours = 0;
      }
      timeString += this.translate.instant('timewindow.hours', {hours});
    }
    if (minutes > 0) {
      if (timeString.length === 0 && minutes === 1) {
        minutes = 0;
      }
      timeString += this.translate.instant('timewindow.minutes', {minutes});
    }
    if (seconds > 0) {
      if (timeString.length === 0 && seconds === 1) {
        seconds = 0;
      }
      timeString += this.translate.instant('timewindow.seconds', {seconds});
    }
    return timeString;
  }
}