From ada5d584668bbd3c3a9275159539f01bc92b608c Mon Sep 17 00:00:00 2001
From: "github-classroom[bot]"
 <66690702+github-classroom[bot]@users.noreply.github.com>
Date: Mon, 8 Dec 2025 09:40:19 +0000
Subject: [PATCH 01/10] add deadline

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index d20aaf9..7071577 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,4 @@
+[![Review Assignment Due Date](https://classroom.github.com/assets/deadline-readme-button-22041afd0340ce965d47ae6ef1cefeee28c7c493a6346c4f15d667ab976d596c.svg)](https://classroom.github.com/a/339Lr3BJ)
 ### How the tests work (and Docker requirement)
 
 This project ships with an end‑to‑end CLI integration test suite that uses Testcontainers to spin up a temporary MySQL database. 

From d2911143ecb24d29dd619085bc6dc89233cbeba3 Mon Sep 17 00:00:00 2001
From: Rickard Ankar <rickard.ankar@iths.se>
Date: Mon, 8 Dec 2025 11:44:04 +0100
Subject: [PATCH 02/10] =?UTF-8?q?Lagt=20till=20inloggningsfl=C3=B6de=20som?=
 =?UTF-8?q?=20g=C3=B6r=20att=20test=201=20och=202=20passerar?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/com/example/Main.java | 65 ++++++++++++++++++++---------
 1 file changed, 45 insertions(+), 20 deletions(-)

diff --git a/src/main/java/com/example/Main.java b/src/main/java/com/example/Main.java
index 6dc6fbd..06e14f6 100644
--- a/src/main/java/com/example/Main.java
+++ b/src/main/java/com/example/Main.java
@@ -1,9 +1,8 @@
 package com.example;
 
-import java.sql.Connection;
-import java.sql.DriverManager;
-import java.sql.SQLException;
+import java.sql.*;
 import java.util.Arrays;
+import java.util.Scanner;
 
 public class Main {
 
@@ -15,7 +14,6 @@ static void main(String[] args) {
     }
 
     public void run() {
-        // Resolve DB settings with precedence: System properties -> Environment variables
         String jdbcUrl = resolveConfig("APP_JDBC_URL", "APP_JDBC_URL");
         String dbUser = resolveConfig("APP_DB_USER", "APP_DB_USER");
         String dbPass = resolveConfig("APP_DB_PASS", "APP_DB_PASS");
@@ -30,28 +28,55 @@ public void run() {
         } catch (SQLException e) {
             throw new RuntimeException(e);
         }
-        //Todo: Starting point for your code
+
+        Scanner scanner = new Scanner(System.in);
+
+        System.out.print("Username: ");
+        String username = scanner.nextLine().trim();
+
+        System.out.print("Password: ");
+        String password = scanner.nextLine().trim();
+
+        if (!validateLogin(jdbcUrl, dbUser, dbPass, username, password)) {
+            System.out.println("Invalid username or password.");
+            System.out.println("0) Exit");
+            scanner.nextLine();
+            scanner.close();
+            return;
+        }
+
+        System.out.println("Login successful!");
+        scanner.close();
+    }
+
+    private boolean validateLogin(String jdbcUrl, String dbUser, String dbPass,
+                                  String username, String password) {
+        String sql = "SELECT user_id FROM account WHERE name = ? AND password = ?";
+
+        try (Connection conn = DriverManager.getConnection(jdbcUrl, dbUser, dbPass);
+             PreparedStatement stmt = conn.prepareStatement(sql)) {
+
+            stmt.setString(1, username);
+            stmt.setString(2, password);
+
+            try (ResultSet rs = stmt.executeQuery()) {
+                return rs.next();
+            }
+
+        } catch (SQLException e) {
+            System.err.println("Database error: " + e.getMessage());
+            return false;
+        }
     }
 
-    /**
-     * Determines if the application is running in development mode based on system properties,
-     * environment variables, or command-line arguments.
-     *
-     * @param args an array of command-line arguments
-     * @return {@code true} if the application is in development mode; {@code false} otherwise
-     */
     private static boolean isDevMode(String[] args) {
-        if (Boolean.getBoolean("devMode"))  //Add VM option -DdevMode=true
+        if (Boolean.getBoolean("devMode"))
             return true;
-        if ("true".equalsIgnoreCase(System.getenv("DEV_MODE")))  //Environment variable DEV_MODE=true
+        if ("true".equalsIgnoreCase(System.getenv("DEV_MODE")))
             return true;
-        return Arrays.asList(args).contains("--dev"); //Argument --dev
+        return Arrays.asList(args).contains("--dev");
     }
 
-    /**
-     * Reads configuration with precedence: Java system property first, then environment variable.
-     * Returns trimmed value or null if neither source provides a non-empty value.
-     */
     private static String resolveConfig(String propertyKey, String envKey) {
         String v = System.getProperty(propertyKey);
         if (v == null || v.trim().isEmpty()) {
@@ -59,4 +84,4 @@ private static String resolveConfig(String propertyKey, String envKey) {
         }
         return (v == null || v.trim().isEmpty()) ? null : v.trim();
     }
-}
+}
\ No newline at end of file

From 2a4b3a1cdfcc912bbb6f1da5395a961095499e21 Mon Sep 17 00:00:00 2001
From: Rickard Ankar <rickard.ankar@iths.se>
Date: Mon, 8 Dec 2025 12:39:42 +0100
Subject: [PATCH 03/10] implementerat menyloop med listfunktion

---
 src/main/java/com/example/Main.java | 33 +++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/src/main/java/com/example/Main.java b/src/main/java/com/example/Main.java
index 06e14f6..c481eac 100644
--- a/src/main/java/com/example/Main.java
+++ b/src/main/java/com/example/Main.java
@@ -14,6 +14,7 @@ static void main(String[] args) {
     }
 
     public void run() {
+        // Resolve database configuration
         String jdbcUrl = resolveConfig("APP_JDBC_URL", "APP_JDBC_URL");
         String dbUser = resolveConfig("APP_DB_USER", "APP_DB_USER");
         String dbPass = resolveConfig("APP_DB_PASS", "APP_DB_PASS");
@@ -24,6 +25,7 @@ public void run() {
                             "as system properties (-Dkey=value) or environment variables.");
         }
 
+        // Test connection
         try (Connection connection = DriverManager.getConnection(jdbcUrl, dbUser, dbPass)) {
         } catch (SQLException e) {
             throw new RuntimeException(e);
@@ -31,6 +33,7 @@ public void run() {
 
         Scanner scanner = new Scanner(System.in);
 
+        // Login flow
         System.out.print("Username: ");
         String username = scanner.nextLine().trim();
 
@@ -46,9 +49,39 @@ public void run() {
         }
 
         System.out.println("Login successful!");
+
+        // Menu loop
+        boolean running = true;
+        while (running) {
+            String choice = scanner.nextLine().trim();
+
+            if (choice.equals("1")) {
+                listMoonMissions(jdbcUrl, dbUser, dbPass);
+            } else if (choice.equals("0")) {
+                running = false;
+            }
+        }
+
         scanner.close();
     }
 
+    // List all moon missions
+    private void listMoonMissions(String jdbcUrl, String dbUser, String dbPass) {
+        String sql = "SELECT spacecraft FROM moon_mission";
+
+        try (Connection conn = DriverManager.getConnection(jdbcUrl, dbUser, dbPass);
+             Statement stmt = conn.createStatement();
+             ResultSet rs = stmt.executeQuery(sql)) {
+
+            while (rs.next()) {
+                System.out.println(rs.getString("spacecraft"));
+            }
+
+        } catch (SQLException e) {
+            System.err.println("Database error: " + e.getMessage());
+        }
+    }
+
     private boolean validateLogin(String jdbcUrl, String dbUser, String dbPass,
                                   String username, String password) {
         String sql = "SELECT user_id FROM account WHERE name = ? AND password = ?";

From f062fedbbfa010d9b8d35dc98bb2df2a3e39534a Mon Sep 17 00:00:00 2001
From: Rickard Ankar <rickard.ankar@iths.se>
Date: Tue, 9 Dec 2025 02:08:39 +0100
Subject: [PATCH 04/10] implementerat login-validering och mission by ID

---
 src/main/java/com/example/Main.java | 63 +++++++++++++++++++++++++----
 1 file changed, 55 insertions(+), 8 deletions(-)

diff --git a/src/main/java/com/example/Main.java b/src/main/java/com/example/Main.java
index c481eac..5dbd0c9 100644
--- a/src/main/java/com/example/Main.java
+++ b/src/main/java/com/example/Main.java
@@ -53,12 +53,29 @@ public void run() {
         // Menu loop
         boolean running = true;
         while (running) {
+            System.out.println("\n1) List moon missions");
+            System.out.println("2) Get a moon mission by mission_id");
+            System.out.println("3) Count missions for a given year");
+            System.out.println("4) Create an account");
+            System.out.println("5) Update an account password");
+            System.out.println("6) Delete an account");
+            System.out.println("0) Exit");
+            System.out.print("Choose an option: ");
+
             String choice = scanner.nextLine().trim();
 
-            if (choice.equals("1")) {
-                listMoonMissions(jdbcUrl, dbUser, dbPass);
-            } else if (choice.equals("0")) {
-                running = false;
+            switch (choice) {
+                case "1":
+                    listMoonMissions(jdbcUrl, dbUser, dbPass);
+                    break;
+                case "2":
+                    getMissionById(scanner, jdbcUrl, dbUser, dbPass);
+                    break;
+                case "0":
+                    running = false;
+                    break;
+                default:
+                    System.out.println("Invalid option");
             }
         }
 
@@ -67,21 +84,51 @@ public void run() {
 
     // List all moon missions
     private void listMoonMissions(String jdbcUrl, String dbUser, String dbPass) {
-        String sql = "SELECT spacecraft FROM moon_mission";
+        String sql = "SELECT spacecraft FROM moon_mission ORDER BY mission_id";
 
         try (Connection conn = DriverManager.getConnection(jdbcUrl, dbUser, dbPass);
-             Statement stmt = conn.createStatement();
-             ResultSet rs = stmt.executeQuery(sql)) {
+             PreparedStatement stmt = conn.prepareStatement(sql);
+             ResultSet rs = stmt.executeQuery()) {
 
             while (rs.next()) {
                 System.out.println(rs.getString("spacecraft"));
             }
 
         } catch (SQLException e) {
-            System.err.println("Database error: " + e.getMessage());
+            System.err.println("Error listing missions: " + e.getMessage());
+        }
+    }
+
+    // Get mission by ID
+    private void getMissionById(Scanner scanner, String jdbcUrl, String dbUser, String dbPass) {
+        System.out.print("Enter mission_id: ");
+        String input = scanner.nextLine().trim();
+
+        try {
+            long missionId = Long.parseLong(input);
+            String sql = "SELECT mission_id, spacecraft, launch_date FROM moon_mission WHERE mission_id = ?";
+
+            try (Connection conn = DriverManager.getConnection(jdbcUrl, dbUser, dbPass);
+                 PreparedStatement stmt = conn.prepareStatement(sql)) {
+
+                stmt.setLong(1, missionId);
+
+                try (ResultSet rs = stmt.executeQuery()) {
+                    if (rs.next()) {
+                        System.out.println("Mission ID: " + rs.getLong("mission_id"));
+                        System.out.println("Spacecraft: " + rs.getString("spacecraft"));
+                        System.out.println("Launch Date: " + rs.getDate("launch_date"));
+                    }
+                }
+            }
+        } catch (NumberFormatException e) {
+            System.out.println("Invalid mission ID format");
+        } catch (SQLException e) {
+            System.err.println("Error: " + e.getMessage());
         }
     }
 
+    // Validate user credentials
     private boolean validateLogin(String jdbcUrl, String dbUser, String dbPass,
                                   String username, String password) {
         String sql = "SELECT user_id FROM account WHERE name = ? AND password = ?";

From fe91eb315e40ac7c7753a5b79f8a8716304edfbd Mon Sep 17 00:00:00 2001
From: Rickard Ankar <rickard.ankar@iths.se>
Date: Tue, 9 Dec 2025 02:44:56 +0100
Subject: [PATCH 05/10] count missions by year med databas-aggregering

---
 src/main/java/com/example/Main.java | 31 +++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/src/main/java/com/example/Main.java b/src/main/java/com/example/Main.java
index 5dbd0c9..d644a4a 100644
--- a/src/main/java/com/example/Main.java
+++ b/src/main/java/com/example/Main.java
@@ -71,6 +71,9 @@ public void run() {
                 case "2":
                     getMissionById(scanner, jdbcUrl, dbUser, dbPass);
                     break;
+                case "3":
+                    countMissionsByYear(scanner, jdbcUrl, dbUser, dbPass);
+                    break;
                 case "0":
                     running = false;
                     break;
@@ -128,6 +131,34 @@ private void getMissionById(Scanner scanner, String jdbcUrl, String dbUser, Stri
         }
     }
 
+    // Count missions by year
+    private void countMissionsByYear(Scanner scanner, String jdbcUrl, String dbUser, String dbPass) {
+        System.out.print("Enter year: ");
+        String input = scanner.nextLine().trim();
+
+        try {
+            int year = Integer.parseInt(input);
+            String sql = "SELECT COUNT(*) as count FROM moon_mission WHERE YEAR(launch_date) = ?";
+
+            try (Connection conn = DriverManager.getConnection(jdbcUrl, dbUser, dbPass);
+                 PreparedStatement stmt = conn.prepareStatement(sql)) {
+
+                stmt.setInt(1, year);
+
+                try (ResultSet rs = stmt.executeQuery()) {
+                    if (rs.next()) {
+                        int count = rs.getInt("count");
+                        System.out.println("Number of missions in " + year + ": " + count);
+                    }
+                }
+            }
+        } catch (NumberFormatException e) {
+            System.out.println("Invalid year format");
+        } catch (SQLException e) {
+            System.err.println("Error: " + e.getMessage());
+        }
+    }
+
     // Validate user credentials
     private boolean validateLogin(String jdbcUrl, String dbUser, String dbPass,
                                   String username, String password) {

From e496ab010700685e08e74580ca8fafd1abebe0b2 Mon Sep 17 00:00:00 2001
From: Rickard Ankar <rickard.ankar@iths.se>
Date: Tue, 9 Dec 2025 03:12:01 +0100
Subject: [PATCH 06/10] implementerat create account med INSERT INTO

---
 src/main/java/com/example/Main.java | 37 +++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/src/main/java/com/example/Main.java b/src/main/java/com/example/Main.java
index d644a4a..4bda4c2 100644
--- a/src/main/java/com/example/Main.java
+++ b/src/main/java/com/example/Main.java
@@ -74,6 +74,9 @@ public void run() {
                 case "3":
                     countMissionsByYear(scanner, jdbcUrl, dbUser, dbPass);
                     break;
+                case "4":
+                    createAccount(scanner, jdbcUrl, dbUser, dbPass);
+                    break;
                 case "0":
                     running = false;
                     break;
@@ -159,6 +162,40 @@ private void countMissionsByYear(Scanner scanner, String jdbcUrl, String dbUser,
         }
     }
 
+    // Create new account
+    private void createAccount(Scanner scanner, String jdbcUrl, String dbUser, String dbPass) {
+        System.out.print("First name: ");
+        String firstName = scanner.nextLine().trim();
+
+        System.out.print("Last name: ");
+        String lastName = scanner.nextLine().trim();
+
+        System.out.print("SSN: ");
+        String ssn = scanner.nextLine().trim();
+
+        System.out.print("Password: ");
+        String password = scanner.nextLine().trim();
+
+        String sql = "INSERT INTO account (first_name, last_name, ssn, password) VALUES (?, ?, ?, ?)";
+
+        try (Connection conn = DriverManager.getConnection(jdbcUrl, dbUser, dbPass);
+             PreparedStatement stmt = conn.prepareStatement(sql)) {
+
+            stmt.setString(1, firstName);
+            stmt.setString(2, lastName);
+            stmt.setString(3, ssn);
+            stmt.setString(4, password);
+
+            int rowsAffected = stmt.executeUpdate();
+            if (rowsAffected > 0) {
+                System.out.println("Account created successfully");
+            }
+
+        } catch (SQLException e) {
+            System.err.println("Error: " + e.getMessage());
+        }
+    }
+
     // Validate user credentials
     private boolean validateLogin(String jdbcUrl, String dbUser, String dbPass,
                                   String username, String password) {

From 61d4e9590097b356a423acd080d229d2702e8923 Mon Sep 17 00:00:00 2001
From: Rickard Ankar <rickard.ankar@iths.se>
Date: Tue, 9 Dec 2025 03:48:19 +0100
Subject: [PATCH 07/10] implementerat update och delete account - 9/9 test

---
 src/main/java/com/example/Main.java | 62 +++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)

diff --git a/src/main/java/com/example/Main.java b/src/main/java/com/example/Main.java
index 4bda4c2..8752389 100644
--- a/src/main/java/com/example/Main.java
+++ b/src/main/java/com/example/Main.java
@@ -77,6 +77,12 @@ public void run() {
                 case "4":
                     createAccount(scanner, jdbcUrl, dbUser, dbPass);
                     break;
+                case "5":
+                    updateAccountPassword(scanner, jdbcUrl, dbUser, dbPass);
+                    break;
+                case "6":
+                    deleteAccount(scanner, jdbcUrl, dbUser, dbPass);
+                    break;
                 case "0":
                     running = false;
                     break;
@@ -196,6 +202,62 @@ private void createAccount(Scanner scanner, String jdbcUrl, String dbUser, Strin
         }
     }
 
+    // Update account password
+    private void updateAccountPassword(Scanner scanner, String jdbcUrl, String dbUser, String dbPass) {
+        System.out.print("Enter user_id: ");
+        String input = scanner.nextLine().trim();
+
+        System.out.print("Enter new password: ");
+        String newPassword = scanner.nextLine().trim();
+
+        try {
+            long userId = Long.parseLong(input);
+            String sql = "UPDATE account SET password = ? WHERE user_id = ?";
+
+            try (Connection conn = DriverManager.getConnection(jdbcUrl, dbUser, dbPass);
+                 PreparedStatement stmt = conn.prepareStatement(sql)) {
+
+                stmt.setString(1, newPassword);
+                stmt.setLong(2, userId);
+
+                int rowsAffected = stmt.executeUpdate();
+                if (rowsAffected > 0) {
+                    System.out.println("Password updated successfully");
+                }
+            }
+        } catch (NumberFormatException e) {
+            System.out.println("Invalid user ID format");
+        } catch (SQLException e) {
+            System.err.println("Error: " + e.getMessage());
+        }
+    }
+
+    // Delete account
+    private void deleteAccount(Scanner scanner, String jdbcUrl, String dbUser, String dbPass) {
+        System.out.print("Enter user_id to delete: ");
+        String input = scanner.nextLine().trim();
+
+        try {
+            long userId = Long.parseLong(input);
+            String sql = "DELETE FROM account WHERE user_id = ?";
+
+            try (Connection conn = DriverManager.getConnection(jdbcUrl, dbUser, dbPass);
+                 PreparedStatement stmt = conn.prepareStatement(sql)) {
+
+                stmt.setLong(1, userId);
+
+                int rowsAffected = stmt.executeUpdate();
+                if (rowsAffected > 0) {
+                    System.out.println("Account deleted successfully");
+                }
+            }
+        } catch (NumberFormatException e) {
+            System.out.println("Invalid user ID format");
+        } catch (SQLException e) {
+            System.err.println("Error: " + e.getMessage());
+        }
+    }
+
     // Validate user credentials
     private boolean validateLogin(String jdbcUrl, String dbUser, String dbPass,
                                   String username, String password) {

From 0b38e922e2d7256ac8d809d9ab3da2f4eecaba18 Mon Sep 17 00:00:00 2001
From: Rickard Ankar <rickard.ankar@iths.se>
Date: Tue, 9 Dec 2025 10:30:42 +0100
Subject: [PATCH 08/10] JavaDoc

---
 src/main/java/com/example/Main.java | 31 ++++++++++++++++++++++-------
 1 file changed, 24 insertions(+), 7 deletions(-)

diff --git a/src/main/java/com/example/Main.java b/src/main/java/com/example/Main.java
index 8752389..0f6eaf6 100644
--- a/src/main/java/com/example/Main.java
+++ b/src/main/java/com/example/Main.java
@@ -13,6 +13,9 @@ static void main(String[] args) {
         new Main().run();
     }
 
+    /**
+     * Runs the main application with login and menu.
+     */
     public void run() {
         // Resolve database configuration
         String jdbcUrl = resolveConfig("APP_JDBC_URL", "APP_JDBC_URL");
@@ -94,7 +97,9 @@ public void run() {
         scanner.close();
     }
 
-    // List all moon missions
+    /**
+     * Lists all spacecraft from moon_mission table.
+     */
     private void listMoonMissions(String jdbcUrl, String dbUser, String dbPass) {
         String sql = "SELECT spacecraft FROM moon_mission ORDER BY mission_id";
 
@@ -111,7 +116,9 @@ private void listMoonMissions(String jdbcUrl, String dbUser, String dbPass) {
         }
     }
 
-    // Get mission by ID
+    /**
+     * Gets a specific mission by ID and prints details.
+     */
     private void getMissionById(Scanner scanner, String jdbcUrl, String dbUser, String dbPass) {
         System.out.print("Enter mission_id: ");
         String input = scanner.nextLine().trim();
@@ -140,7 +147,9 @@ private void getMissionById(Scanner scanner, String jdbcUrl, String dbUser, Stri
         }
     }
 
-    // Count missions by year
+    /**
+     * Counts how many missions were launched in a specific year.
+     */
     private void countMissionsByYear(Scanner scanner, String jdbcUrl, String dbUser, String dbPass) {
         System.out.print("Enter year: ");
         String input = scanner.nextLine().trim();
@@ -168,7 +177,9 @@ private void countMissionsByYear(Scanner scanner, String jdbcUrl, String dbUser,
         }
     }
 
-    // Create new account
+    /**
+     * Creates a new account in the database.
+     */
     private void createAccount(Scanner scanner, String jdbcUrl, String dbUser, String dbPass) {
         System.out.print("First name: ");
         String firstName = scanner.nextLine().trim();
@@ -202,7 +213,9 @@ private void createAccount(Scanner scanner, String jdbcUrl, String dbUser, Strin
         }
     }
 
-    // Update account password
+    /**
+     * Updates password for an existing account.
+     */
     private void updateAccountPassword(Scanner scanner, String jdbcUrl, String dbUser, String dbPass) {
         System.out.print("Enter user_id: ");
         String input = scanner.nextLine().trim();
@@ -232,7 +245,9 @@ private void updateAccountPassword(Scanner scanner, String jdbcUrl, String dbUse
         }
     }
 
-    // Delete account
+    /**
+     * Deletes an account from the database.
+     */
     private void deleteAccount(Scanner scanner, String jdbcUrl, String dbUser, String dbPass) {
         System.out.print("Enter user_id to delete: ");
         String input = scanner.nextLine().trim();
@@ -258,7 +273,9 @@ private void deleteAccount(Scanner scanner, String jdbcUrl, String dbUser, Strin
         }
     }
 
-    // Validate user credentials
+    /**
+     * Checks if username and password are correct.
+     */
     private boolean validateLogin(String jdbcUrl, String dbUser, String dbPass,
                                   String username, String password) {
         String sql = "SELECT user_id FROM account WHERE name = ? AND password = ?";

From aed701ef69dfcec28f680cbe57cb67b1d9b35fde Mon Sep 17 00:00:00 2001
From: Rickard Ankar <rickard.ankar@iths.se>
Date: Tue, 9 Dec 2025 12:26:42 +0100
Subject: [PATCH 09/10] =?UTF-8?q?mer=20JavaDoc=20och=20tagit=20bort=20on?=
 =?UTF-8?q?=C3=B6dig=20kod=20som=20coderabbit=20varna=20om.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/main/java/com/example/Main.java | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/example/Main.java b/src/main/java/com/example/Main.java
index 0f6eaf6..3c64125 100644
--- a/src/main/java/com/example/Main.java
+++ b/src/main/java/com/example/Main.java
@@ -46,7 +46,6 @@ public void run() {
         if (!validateLogin(jdbcUrl, dbUser, dbPass, username, password)) {
             System.out.println("Invalid username or password.");
             System.out.println("0) Exit");
-            scanner.nextLine();
             scanner.close();
             return;
         }
@@ -137,6 +136,8 @@ private void getMissionById(Scanner scanner, String jdbcUrl, String dbUser, Stri
                         System.out.println("Mission ID: " + rs.getLong("mission_id"));
                         System.out.println("Spacecraft: " + rs.getString("spacecraft"));
                         System.out.println("Launch Date: " + rs.getDate("launch_date"));
+                    } else {
+                        System.out.println("No mission found with ID: " + missionId);
                     }
                 }
             }
@@ -236,6 +237,8 @@ private void updateAccountPassword(Scanner scanner, String jdbcUrl, String dbUse
                 int rowsAffected = stmt.executeUpdate();
                 if (rowsAffected > 0) {
                     System.out.println("Password updated successfully");
+                } else {
+                    System.out.println("No account found with user_id: " + userId);
                 }
             }
         } catch (NumberFormatException e) {
@@ -264,6 +267,8 @@ private void deleteAccount(Scanner scanner, String jdbcUrl, String dbUser, Strin
                 int rowsAffected = stmt.executeUpdate();
                 if (rowsAffected > 0) {
                     System.out.println("Account deleted successfully");
+                } else {
+                    System.out.println("No account found with user_id: " + userId);
                 }
             }
         } catch (NumberFormatException e) {
@@ -296,6 +301,9 @@ private boolean validateLogin(String jdbcUrl, String dbUser, String dbPass,
         }
     }
 
+    /**
+     * Checks if dev mode is enabled.
+     */
     private static boolean isDevMode(String[] args) {
         if (Boolean.getBoolean("devMode"))
             return true;
@@ -304,6 +312,10 @@ private static boolean isDevMode(String[] args) {
         return Arrays.asList(args).contains("--dev");
     }
 
+
+    /**
+     * Gets config from system properties or environment variables.
+     */
     private static String resolveConfig(String propertyKey, String envKey) {
         String v = System.getProperty(propertyKey);
         if (v == null || v.trim().isEmpty()) {

From 5d5f51f016d3e4da3e0af1d60b47471ad082ce9c Mon Sep 17 00:00:00 2001
From: Rickard Ankar <rickard.ankar@iths.se>
Date: Tue, 9 Dec 2025 15:33:09 +0100
Subject: [PATCH 10/10] lagt till username-generering i createAccount

---
 src/main/java/com/example/Main.java | 31 ++++++++++++++++-------------
 1 file changed, 17 insertions(+), 14 deletions(-)

diff --git a/src/main/java/com/example/Main.java b/src/main/java/com/example/Main.java
index 3c64125..b422703 100644
--- a/src/main/java/com/example/Main.java
+++ b/src/main/java/com/example/Main.java
@@ -46,6 +46,7 @@ public void run() {
         if (!validateLogin(jdbcUrl, dbUser, dbPass, username, password)) {
             System.out.println("Invalid username or password.");
             System.out.println("0) Exit");
+            scanner.nextLine();
             scanner.close();
             return;
         }
@@ -136,8 +137,6 @@ private void getMissionById(Scanner scanner, String jdbcUrl, String dbUser, Stri
                         System.out.println("Mission ID: " + rs.getLong("mission_id"));
                         System.out.println("Spacecraft: " + rs.getString("spacecraft"));
                         System.out.println("Launch Date: " + rs.getDate("launch_date"));
-                    } else {
-                        System.out.println("No mission found with ID: " + missionId);
                     }
                 }
             }
@@ -194,15 +193,19 @@ private void createAccount(Scanner scanner, String jdbcUrl, String dbUser, Strin
         System.out.print("Password: ");
         String password = scanner.nextLine().trim();
 
-        String sql = "INSERT INTO account (first_name, last_name, ssn, password) VALUES (?, ?, ?, ?)";
+        String username = firstName.substring(0, Math.min(3, firstName.length())) +
+                lastName.substring(0, Math.min(3, lastName.length()));
+
+        String sql = "INSERT INTO account (name, first_name, last_name, ssn, password) VALUES (?, ?, ?, ?, ?)";
 
         try (Connection conn = DriverManager.getConnection(jdbcUrl, dbUser, dbPass);
              PreparedStatement stmt = conn.prepareStatement(sql)) {
 
-            stmt.setString(1, firstName);
-            stmt.setString(2, lastName);
-            stmt.setString(3, ssn);
-            stmt.setString(4, password);
+            stmt.setString(1, username);
+            stmt.setString(2, firstName);
+            stmt.setString(3, lastName);
+            stmt.setString(4, ssn);
+            stmt.setString(5, password);
 
             int rowsAffected = stmt.executeUpdate();
             if (rowsAffected > 0) {
@@ -237,8 +240,6 @@ private void updateAccountPassword(Scanner scanner, String jdbcUrl, String dbUse
                 int rowsAffected = stmt.executeUpdate();
                 if (rowsAffected > 0) {
                     System.out.println("Password updated successfully");
-                } else {
-                    System.out.println("No account found with user_id: " + userId);
                 }
             }
         } catch (NumberFormatException e) {
@@ -267,8 +268,6 @@ private void deleteAccount(Scanner scanner, String jdbcUrl, String dbUser, Strin
                 int rowsAffected = stmt.executeUpdate();
                 if (rowsAffected > 0) {
                     System.out.println("Account deleted successfully");
-                } else {
-                    System.out.println("No account found with user_id: " + userId);
                 }
             }
         } catch (NumberFormatException e) {
@@ -302,7 +301,11 @@ private boolean validateLogin(String jdbcUrl, String dbUser, String dbPass,
     }
 
     /**
-     * Checks if dev mode is enabled.
+     * Determines if the application is running in development mode based on system properties,
+     * environment variables, or command-line arguments.
+     *
+     * @param args an array of command-line arguments
+     * @return {@code true} if the application is in development mode; {@code false} otherwise
      */
     private static boolean isDevMode(String[] args) {
         if (Boolean.getBoolean("devMode"))
@@ -312,9 +315,9 @@ private static boolean isDevMode(String[] args) {
         return Arrays.asList(args).contains("--dev");
     }
 
-
     /**
-     * Gets config from system properties or environment variables.
+     * Reads configuration with precedence: Java system property first, then environment variable.
+     * Returns trimmed value or null if neither source provides a non-empty value.
      */
     private static String resolveConfig(String propertyKey, String envKey) {
         String v = System.getProperty(propertyKey);