import { Injectable } from '@angular/core';

@Injectable({
    providedIn: 'root'
  })
export class UtilService {

    constructor() {
    }

    format(value: number, type: string) {
        if (type == "time"){
            return this.formatMs(value);
        } else {
            return ""+value;
        }
    }

    formatMs(valueInMs: number):string {
        const ms = Math.floor(valueInMs % 1000);
        const s = Math.floor((valueInMs / 1000) % 60);
        const m = Math.floor((valueInMs / (60*1000)) % 60);
        const h = Math.floor(valueInMs / (3600*1000));
        
        var result = "";
        if (h != 0) {
            result += h+"h ";
        }
        if (h!= 0 || m != 0) {
            result += m+"m ";
        }
        if (h!= 0 || m != 0 || s != 0) {
            result += s+"s ";
            result += ms+"ms";
        } else {
            result += ms+"ms";
        }
        
        return result;
    }

    toPercent(percentage: number) : string{
      return (Math.round(percentage * 10000) / 100)+"%";
    }
}