import { Pipe, PipeTransform } from '@angular/core';

@Pipe({
  name: 'convertMoreExact'
})
export class ConvertMoreExactPipe implements PipeTransform {

  /**
   * Convert milliseconds to rounded time e.g. ~84d
   * @param timeMs time in milliseconds
   */
  transform(timeMs: number): string  {
    let x = timeMs / 1000;

    const seconds = Math.floor(x % 60);
    x /= 60;

    let minutes = 0;
    if (x > 1) { minutes = Math.floor(x % 60); }
    x /= 60;

    let hours = 0;
    if (x > 1) { hours = Math.floor(x % 24); }
    // TODO Enable/disable day
    x /= 24;
    const days = Math.floor(x);

    // Final string
    let ret = '~';
    if (days > 0) {
      return '~' + (days + (hours > 12 ? 1 : 0)) + 'd';
    }
    if (hours > 0) {
      if (minutes > 45) {
        ret += (hours + 1) + 'h';
      } else if (minutes < 15) {
        ret += hours + 'h';
      } else {
        ret += hours + 'h 1/2';
      }
      return ret;
    }
    if (minutes > 0) {
      ret += (minutes + (seconds > 35 ? 1 : 0)) + 'min';
      return ret;
    }
    if (seconds > 0) {
      if (seconds > 35) {
        return '~1min';
      } else {
        return seconds + 's';
      }
    }
  }

}