Add Index and Login classes for user interface navigation and authentication

src/interfaces/Index.java

@@ -0,0 +1,44 @@
+package interfaces;
+
+import quick.Action;
+import quick.View;
+import quick.Color;
+
+public class Index extends View {
+    private boolean yes = false;
+
+    public Boolean init() {
+        return true;
+    }
+
+    public void draw() {
+        terminal.print(Color.ANSI_CYAN + "Index View" + Color.ANSI_RESET);
+        terminal.print("\n");
+        terminal.print("This is the index view. Use commands to navigate.\n");
+        terminal.print("\n");
+        terminal.print("Available commands:\n");
+        terminal.print(" - test: go test view\n");
+        terminal.print(" - confirm: confirm\n");
+
+        if (yes) {
+            terminal.print(Color.ANSI_GREEN + "You have confirmed yes!" + Color.ANSI_RESET + "\n");
+        } else {
+            terminal.print(Color.ANSI_YELLOW + "You have not confirmed yes." + Color.ANSI_RESET + "\n");
+        }
+    }
+
+    public Action onCommand(String command) {
+        if (command.equals("confirm")) {
+            yes = true;
+        }
+        if (command.equals("test")) {
+            return actions.redirect(Login.class);
+        }
+        
+        return actions.nop();
+    }
+
+    public Boolean onSelection(String userInputRaw) {
+        return false;
+    }
+}

src/interfaces/Login.java

@@ -0,0 +1,114 @@
+package interfaces;
+
+import quick.Action;
+import quick.View;
+import quick.Color;
+
+public class Login extends View {
+    private String username = "";
+    private String password = "";
+    private boolean loginSuccess = false;
+    private int loginTries = 0;
+    private String editField = null;
+    private String error = "";
+
+    @Override
+    public Boolean init() {
+        username = "";
+        password = "";
+        loginSuccess = false;
+        loginTries = 0;
+        editField = null;
+        error = "";
+        viewPrompt = "> ";
+        return true;
+    }
+
+    @Override
+    public void draw() {
+        terminal.print(Color.ANSI_CYAN + "=== Login ===" + Color.ANSI_RESET + "\n");
+
+        terminal.print("Username: " + (username.isEmpty() ? "<not set>" : username) + "\n");
+        terminal.print("Password: " + (password.isEmpty() ? "<not set>" : "*".repeat(password.length())) + "\n");
+
+        if (loginSuccess) {
+            terminal.print(Color.ANSI_GREEN + "Login successful!" + Color.ANSI_RESET + "\n");
+            terminal.print("Press any key to continue..." + "\n");
+            viewPrompt = "> ";
+            return;
+        }
+
+        if (!error.isEmpty()) {
+            terminal.print(Color.ANSI_RED + error + Color.ANSI_RESET + "\n");
+        }
+
+        terminal.print("\nCommands:\n");
+        terminal.print("  edit username   - enter username\n");
+        terminal.print("  edit password   - enter password\n");
+        terminal.print("  login           - attempt login\n");
+        terminal.print("  back            - go back\n");
+
+        if (editField != null) {
+            viewPrompt = "Enter " + editField + ": ";
+        } else {
+            viewPrompt = "> ";
+        }
+    }
+
+    @Override
+    public Action onCommand(String command) {
+        String cmd = command.trim().toLowerCase();
+
+        if (cmd.isEmpty()) {
+            error = "Empty input. Type a command.";
+            return actions.nop();
+        }
+
+        if (cmd.equals("back")) {
+            return actions.redirect(Index.class);
+        }
+
+        if (cmd.equals("login")) {
+            if (username.equals("a") && password.equals("a")) {
+                loginSuccess = true;
+                error = "";
+            } else {
+                loginTries++;
+                error = "Login failed (" + loginTries + " attempts).";
+            }
+            return actions.nop();
+        }
+
+        if (cmd.startsWith("edit")) {
+            if (cmd.contains("username")) {
+                editField = "username";
+                error = "";
+            } else if (cmd.contains("password")) {
+                editField = "password";
+                error = "";
+            } else {
+                error = "Unknown field to edit. Use: edit username | edit password";
+            }
+            return actions.nop();
+        }
+
+        if (editField != null) {
+            if (editField.equals("username")) {
+                username = command.trim();
+            } else if (editField.equals("password")) {
+                password = command.trim();
+            }
+            editField = null;
+            error = "";
+            return actions.nop();
+        }
+
+        error = "Unknown command: " + command;
+        return actions.nop();
+    }
+
+    @Override
+    public Boolean onSelection(String userInputRaw) {
+        return false;
+    }
+}