import 'package:flutter/material.dart';

class EnergyWidget extends StatelessWidget {
  const EnergyWidget({
    super.key,
    required this.energy,
  });

  final double energy;

  @override
  Widget build(BuildContext context) {
    return Text("Energy ${_format(energy)}Joule", style: Theme.of(context).textTheme.headlineLarge,);
  }

  String _format(double e) {
    if (e > 1000000000000) {
      return "${(energy / 1000000000000).round()} T";
    } else if (e > 1000000000) {
      return "${(energy / 1000000000).round()} G";
    } else if (e > 1000000) {
      return "${(energy / 1000000).round()} M";
    } else if ( e > 1000) {
      return "${(energy / 1000).round()} k";
    } else {
      return "${energy.round()} ";
    }
  }
}