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

@Pipe({
  name: 'duration'
})
export class DurationPipe implements PipeTransform {

  transform(value: string | number): string {
    let hours = 0;
    let minutes = 0;
    let seconds = 0.0;

    // Handle 00:00:00.000 case (Nectar)
    if (typeof(value) === 'string') {
      const durations = value.split(':');
      hours = parseInt(durations[0], 10);
      minutes = parseInt(durations[1], 10);
      seconds = parseFloat(durations[2]);
    }

    // Handle 000.000 case (OgData)
    else {
      const totalSeconds = value;


      minutes = Math.floor(totalSeconds / 60);
      seconds = totalSeconds - (minutes * 60);
      hours = Math.floor(minutes / 60);
      minutes = minutes - (hours * 60);
    }

    const totalMinutes = hours * 60 + minutes;

    return `${this.plural(hours, 'hr')} ${minutes}min ${seconds}s`

    // return `${totalMinutes < 10 ? `0${totalMinutes}` : totalMinutes}:${seconds < 10 ? `0${seconds.toFixed(3)}` : seconds.toFixed(3)}`;
  }

  plural(value: number, unit: string) {
    if (value === 0) {
      return '';
    }
    if (value === 1) {
      return `${value} ${unit}`;
    }
    if (value > 1) {
      return `${value} ${unit}s`;
    }
    
  }

}