/* CIS3270 Assignment Sample Solution
 * Description: this is a sample solution for assignment 3 Electricity Bill
 * Author: Jack G. Zheng
 * Date: Jan 26, 2006
 */
package zheng.cis3270.assignment;
 
public class ElectricityBill //note no encapsulation is implemented
{
  int usage;
  char season;
  double totalDue;
  double baseCharge;
  double rate1, rate2, rate3, rider;
  
  public ElectricityBill(int usage, char season)
  {
    rate1=0.04663;
    rider=0.024581;
    this.season=season;
    this.usage=usage;
    this.baseCharge=7.44;
  }
  
  void calculateTotalDue() //calcualtion based on season and rate
  {
    double tier1, tier2, tier3;
    if (season=='s')
    {
      rate2=0.0775;
      rate3=0.07978;
    }
    else
    {
      rate2=0.04001;
      rate3=0.03939;
    }
    if (usage<=650)
    {
      tier1=usage*rate1;
      tier2=0;
      tier3=0;
    }
    else if (usage <= 1000)
    {
      tier1=650*rate1;
      tier2=(usage-650)*rate2;
      tier3=0;
    }
    else
    {
      tier1=650*rate1;
      tier2=(1000-350)*rate2;
      tier3=(usage-1000)*rate3;
    }
    totalDue=(tier1+tier2+tier3+rider*usage+baseCharge);
  }

  public void printStatement()
  {
    this.calculateTotalDue();
    System.out.println("Usage: "+usage);
    System.out.println("Season: "+season);
    System.out.println("Total due: "+totalDue);
  }
  
  public static void main(String[] args)
  {
    ElectricityBill bill1 = new ElectricityBill(800, 's');
    bill1.printStatement();
  }
}