import javax.swing.JOptionPane;

public class TeleBill {
    public static void main(String[]args){

        String accountID, accountType, rTime, pDayTime, pNightTime;
        int rTimeI, pDayTimeI, pNightTimeI;
        double amount, usagePrice, usagePriceDay, usagePriceNight, usagePricePremium, amountPremium;
        final double regularBasePrice = 10.00;
        final double premiumBasePrice = 25.00;

        accountID = JOptionPane.showInputDialog(null,
                "Enter your account ID","Account ID",JOptionPane.QUESTION_MESSAGE);
        accountType = JOptionPane.showInputDialog(null,
                "Enter your Account Type 'R' for regular or 'P' for premium","Account Type",JOptionPane.QUESTION_MESSAGE);
        char type = accountType.toUpperCase().charAt(0);

			if(type=='R'){
        		rTime = JOptionPane.showInputDialog(null,
        			"Please enter your minute used: ", "Phone Bill Regular", JOptionPane.QUESTION_MESSAGE);

        		rTimeI = Integer.parseInt(rTime);

        		if(rTimeI < 50){
           			amount = regularBasePrice;
        		}else{
            		usagePrice = (rTimeI - 50) * 0.20;
            		amount = regularBasePrice + usagePrice;
        		}
        	JOptionPane.showMessageDialog(null,"Account ID = " + accountID + "\nAccount Type = Regular" +
               "\nMinutes used = " + rTime +
               "\nAmount Due = RM" + amount);
			}

			else if(type=='P'){
			pDayTime = JOptionPane.showInputDialog(null,
				"Please enter your minute used during the Day: ", "Phone Bill Premium Day", JOptionPane.QUESTION_MESSAGE);
pDayTimeI = Integer.parseInt(pDayTime);
			pNightTime = JOptionPane.showInputDialog(null,
				"Please enter your minute used during the Night: ", "Phone Bill Premium Night", JOptionPane.QUESTION_MESSAGE);
pNightTimeI = Integer.parseInt(pNightTime);
		if(pDayTimeI <= 75 && pNightTimeI <= 100){
           amountPremium = premiumBasePrice;
           }else {

           usagePriceDay = pDayTimeI * 0.10;
           usagePriceNight = pNightTimeI * 0.050;
           usagePricePremium = ((pDayTimeI - 75)+(pNightTimeI - 100)*0.20);
           amountPremium = premiumBasePrice + usagePricePremium;
       }
        JOptionPane.showMessageDialog(null,"Account ID = " + accountID +
               "\nService Type = Premium" +
               "\nMinutes Used During The Day = " + pDayTimeI +
               "\nMinutes Used During The Night = " + pNightTimeI +
               "\nAmount Due = RM" + amountPremium);
        }

    }