Added a luancher file

Chaged the jvm entry point to the launcher
added some slight redundancy in case of missing folders

build.gradle

@@ -22,6 +22,6 @@ test {
 
 jar{
     manifest {
-        attributes 'Main-class': 'me.zacharias.bank.Main'
+        attributes 'Main-class': 'me.zacharias.bank.Launcher'
     }
 }

src/main/java/me/zacharias/bank/Launcher.java

@@ -0,0 +1,63 @@
+package me.zacharias.bank;
+
+import me.zacharias.bank.app.Main;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.UUID;
+
+public class Launcher {
+    public static void main(String[] args) {
+        ArrayList<String> argsList = new ArrayList<>();
+        
+        for(String arg : args) {
+            argsList.add(arg);
+        }
+        
+        ArrayList<String> newUsers = new ArrayList<>();
+        
+        for(int i = 0; i < argsList.size(); i++) {
+            String arg = argsList.get(i);
+            if(arg.equals("--new") || arg.equals("-n")) {
+                if(argsList.size() < i+2) {
+                    System.out.println("Not enough arguments");
+                    System.exit(1);
+                }
+                String name = argsList.get(i+1);
+                newUsers.add(name);
+            }
+            if(arg.equals("--help") || arg.equals("-h")) {
+                System.out.println("""
+                    Usage: java -jar Bank.jar [--new <name>] [--help]
+                    
+                    Options:
+                        -n  --new <name>   Create a new user with the given name
+                        -h  --help         Show this help message
+                    """);
+                System.exit(0);
+            }
+        }
+        
+        ArrayList<User> users = new ArrayList<>();
+        
+        for (String name : newUsers) {
+            try {
+                BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
+                System.out.println("Enter password for " + name + ": ");
+                String password = reader.readLine();
+                User user = new User(name);
+                
+                Account a = user.createAccount("Konto");
+                a.DepositTransaction(100, "Welcome to the bank", UUID.fromString("00000000-0000-0000-0000-000000000000"));
+                user.write();
+                
+                users.add(user);
+            }catch (Exception e) {
+                System.out.println("Error on user "+name+": " + e.getMessage());
+            }
+        }
+        
+        Main.main(args);
+    }
+}

src/main/java/me/zacharias/bank/User.java

@@ -21,16 +21,16 @@ public class User {
         accounts = new ArrayList<>();
     }
     
-    public UUID createAccount(String name) {
+    public Account createAccount(String name) {
         Account account = new BankAccount(name);
         accounts.add(account);
-        return account.getId();
+        return account;
     }
     
-    public UUID createSavingsAccount(String name) {
+    public Account createSavingsAccount(String name) {
         Account account = new SavingsAccount(name);
         accounts.add(account);
-        return account.getId();
+        return account;
     }
 
     public Account getAccount(String name) {

src/main/java/me/zacharias/bank/Utils.java

@@ -142,6 +142,10 @@ public class Utils {
         {
             file.delete();
         }
+        
+        if(file.getParentFile() != null && !file.getParentFile().exists()) {
+            file.getParentFile().mkdirs();
+        }
 
         try {
             file.createNewFile();