assign4

import java.util.Scanner;


public class Assignment_Four {

	public static double balance = 1500.00; 
	public static double largest = 0.0; 
	public static double smallest = 10000.00; // should this be changed to 1500?



	public static void main(String[] args) {
		displayTransactions();
		transactions();
	}

	public static void displayTransactions(){
		System.out.println("The transactions types are as follows:");
		System.out.println("A	adding an amount to the account.");
		System.out.println("S	substracting an amount form the account.");
		System.out.println("B	getting the current balance of the account.");
		System.out.println("M	reporting the month end details of the account.");
		System.out.println();
	}

	public static void transactions() {
		Scanner scan = new Scanner(System.in);
		for (int i = 0; i < 4; i++) {
			System.out.print("Transaction type? ");
			String type = scan.next();
			if (type.equalsIgnoreCase("A") || type.equalsIgnoreCase("S")) {
				System.out.print("Amount? ");
				double amount = scan.nextDouble();
				if (type.equalsIgnoreCase("A")) {
					add(amount);
				} else {
					subtract(amount);
				}
				System.out.println("Current Balance: " + getBalance());
			} else if (type.equalsIgnoreCase("B")) {
				System.out.println("Current Balance: " + getBalance());
			} else {
				monthlyReport();
			}
		}
	}

	public static void add(double amount) {
		balance += amount;
		if (balance > largest) {
			largest = balance;
		}

	}

	public static void subtract(double amount) {
		balance -= amount;	
		if (balance < smallest) {
			smallest = balance;
		}
	}

	public static double getBalance() {
		return balance;
	}

	public static void monthlyReport() {
		System.out.println("Monthly Report: ");
		System.out.println("Smallest Balance: " + smallest);
		System.out.println("Largest Balance: " + largest);
		System.out.println("Final Balance: " + balance);
	}
}