// Empty Lab Exam 2 template
// Program Id - Name - Description here

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.Scanner;

public class NeilanDavidLabEx2{
    public static void main(String[] args) throws FileNotFoundException{
        // Constants
        final double UNIT_COST = 0.10;

        // File Objects/Variables
        Scanner usageFile = new Scanner(new FileReader("/home/david/IdeaProjects/2014NeilanDavidLabEx2/src/WaterUsage.dat"));

        // Record Layout
        int custId;
        char custStatus;
        String custFirstName;
        String custLastName;
        char custPlan;
        double custStandingCharge;
        int custFreeUnits;
        int customerUsage;

        // Other Variables
        String planName;
        double cost;
        int totalUsage, activeCustomers=0, inactiveCustomers=0, singleCustomers=0, pendingCustomers=0,
            doubleCustomers=0, concessionCustomers=0, famCustomers=0, bigFamCustomers=0, suspendedCustomers=0;

        // Screen/Report Header
        System.out.println("  Id      Name              Plan         Stand  Free   Q1   Q2   Q3   Q4     Sum     Avg    Cost");
        System.out.println("================================================================================================");

        // Main while loop file Input until EOF
        while (usageFile.hasNext()){
            custId = usageFile.nextInt();
            custStatus= usageFile.next().charAt(0);
            custFirstName = usageFile.next();
            custLastName = usageFile.next();
            custPlan = usageFile.next().charAt(0);
            custStandingCharge = usageFile.nextDouble();
            custFreeUnits = usageFile.nextInt();

            totalUsage = 0;
            cost = custStandingCharge;

            if (Character.toUpperCase(custStatus) == 'A'){
                activeCustomers++;

                switch (Character.toLowerCase(custPlan)){
                    case '1':
                        planName = "Single";
                        singleCustomers++;
                        break;
                    case '2':
                        planName = "Double";
                        doubleCustomers++;
                        break;
                    case 'c':
                        planName = "Concession";
                        concessionCustomers++;
                        break;
                    case 'f':
                        planName = "Family";
                        famCustomers++;
                        break;
                    case 'b':
                        planName = "Big Family";
                        bigFamCustomers++;
                        break;
                    default:
                        planName = "Pending";
                        pendingCustomers++;
                }

                System.out.printf("%-9d %-17s %-12s %5.2f %5d ", custId, (custLastName + ',' + custLastName), planName, custStandingCharge, custFreeUnits);
                for (int i=0;i<4;i++){
                    customerUsage = usageFile.nextInt();
                    totalUsage += customerUsage;
                    System.out.printf("%4d ", customerUsage);
                }

                if (totalUsage > custFreeUnits){
                    cost += (totalUsage-custFreeUnits)*UNIT_COST;
                }
                System.out.printf("%7d %7.2f %7.2f%n", totalUsage, totalUsage/4.0, cost);
            } else{
                usageFile.nextLine();
                switch (Character.toUpperCase(custStatus)){
                    case 'X':
                        inactiveCustomers++;
                        break;
                    case 'S':
                        suspendedCustomers++;
                        break;
                    }
            }
        }

        // Output Footer details to Screen and Report
        System.out.println();
        System.out.printf("Customers:%4d ", activeCustomers+inactiveCustomers+suspendedCustomers);
        System.out.printf("Inactive:%4d " , inactiveCustomers);
        System.out.printf("Suspended:%4d " , suspendedCustomers);
        System.out.printf("Active:%4d%n" , activeCustomers);
        System.out.printf("Single:%4d " , singleCustomers);
        System.out.printf("Double:%4d " , doubleCustomers);
        System.out.printf("Concession:%4d%n" , concessionCustomers);
        System.out.printf("Family:%4d " , famCustomers);
        System.out.printf("Big Family:%4d ", bigFamCustomers);
        System.out.printf("Pending:%4d", pendingCustomers);
        // Close files

    }  // main

} // LastNameFirstNameLabEx2