139 lines
5.5 KiB
Java
139 lines
5.5 KiB
Java
import java.util.AbstractMap;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Map;
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import java.util.Map.Entry;
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import java.util.Scanner;
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public class Main{
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public static Map<String, Integer> parseCommandLineArgs(String[] args) {
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Map<String, Integer> parameters = new HashMap<>();
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try {
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for (int i = 0; i < args.length; i++) {
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if (args[i].startsWith("-")) {
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String parameterName = args[i].substring(1);
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if (i + 1 < args.length) {
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try {
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int parameterValue = Integer.parseInt(args[i + 1]);
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parameters.put(parameterName, parameterValue);
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i++;
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} catch (NumberFormatException e) {
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System.err.println("Error: Invalid value for parameter " + parameterName + ": " + args[i + 1]);
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return null;
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}
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} else {
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System.err.println("Error: Missing value for parameter " + parameterName);
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return null;
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}
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} else {
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System.err.println("Warning: Ignoring invalid argument: " + args[i]);
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}
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}
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} catch (Exception e) {
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System.err.println("An unexpected error occurred: " + e.getMessage());
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return null;
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}
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return parameters;
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}
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public static Map.Entry<Character, Integer> processChar(char inputChar) {
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if (inputChar == 'a' || inputChar == 'b' || inputChar == 'c') {
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return new AbstractMap.SimpleEntry<>(inputChar,0);
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} else if (Character.isDigit(inputChar)) { // Use Character.isDigit()
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return new AbstractMap.SimpleEntry<>(inputChar,1);
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} else {
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return new AbstractMap.SimpleEntry<>(inputChar,2);
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}
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}
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public static void main(String[] args) {
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Map<String, Integer> atmParams = parseCommandLineArgs(args);
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if (atmParams != null) {
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int t = atmParams.getOrDefault("t", 0);
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int k = atmParams.getOrDefault("k", 0);
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int m = atmParams.getOrDefault("m", 0);
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int n = atmParams.getOrDefault("n", 0);
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ATM atm = new ATM();
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CardReader cr = new CardReader(atm);
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Display display = new Display();
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display.display(Display.get_default_display());
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atm.setMinimumAmount(n);
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atm.setTotalFund(t);
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atm.setMaximum_withdrawar_pday_pacc(k);
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atm.setMaximum_withdrawar_ptrans(m);
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while (true) {
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Message msg = atm.checkAvailabilityOfCashInATM();
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if (msg.require_change) {
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display.display(msg.msg);
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}
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// TODO wait for signal from card reader
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// while (cardreader.readcard == null ??)
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Card card = cr.readCard();
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if(card.getFails() >= 3) {
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cr.retainCard();
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break;
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}
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display.display("enter pin");
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Scanner scanner = new Scanner(System.in);
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String inputchar = scanner.next(); // Reads a whole line
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Map.Entry<Character, Integer> option = processChar(inputchar.charAt(0));
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ArrayList<Integer> pin = new ArrayList<Integer>();
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switch (option.getValue()) {
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case 0:
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switch(option.getKey()) {
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case 'a':
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pin.clear();
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break;
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case 'b':
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if (pin.size()!= 4) {
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display.display("ERR " + pin.size() + "is not correct number of characters for a pin");
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System.exit(0);
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}
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if (card.getPin() == pin) {
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// successfully pass
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// maybe move to function and return smt;
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break;
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}
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else {
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card.setFails(card.getFails() + 1);
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}
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// start from top to check for fails
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break;
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case 'c':
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cr.ejectCard();
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break;
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}
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break;
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case 1:
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if (pin.size() >= 4) {
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display.display("ERR " + pin.size() + "is not correct number of characters for a pin");
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pin.clear();
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//sleep(2);
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display.display("password: ");
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} else {
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pin.add(Integer.parseInt(option.getKey().toString()));
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display.display(display.getMesssage() + "*");
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}
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break;
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case 2:
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display.display("ERR unknown option" );
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break;
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default:
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break;
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}
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}
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} else {
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System.err.println("Failed to initialize ATM parameters from command line.");
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}
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}
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}
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