feat: create a login options screen

BREAKING CHANGE: This introduces a new authentication system

com.developer.nefarious.zjoule.plugin/src/com/developer/nefarious/zjoule/plugin/login/LoginWizard.java

@@ -15,6 +15,7 @@
 import com.developer.nefarious.zjoule.plugin.login.memory.TemporaryMemoryResourceGroup;
 import com.developer.nefarious.zjoule.plugin.login.memory.TemporaryMemoryServiceKey;
 import com.developer.nefarious.zjoule.plugin.login.pages.FirstLoginWizardPage;
+import com.developer.nefarious.zjoule.plugin.login.pages.LoginOptionsPage;
 import com.developer.nefarious.zjoule.plugin.login.pages.SecondLoginWizardPage;
 
 /**
@@ -42,7 +43,7 @@ public class LoginWizard extends Wizard {
     public LoginWizard(final Browser browser) {
         this.browser = browser;
 
-        setWindowTitle("Login to SAP AI Core");
+        setWindowTitle("AI Provider Setup");
         loginClient = createLoginClient();
     }
 
@@ -57,6 +58,7 @@ public LoginWizard(final Browser browser) {
      */
     @Override
     public void addPages() {
+    	addPage(new LoginOptionsPage());
         addPage(new FirstLoginWizardPage(loginClient));
         addPage(new SecondLoginWizardPage(loginClient, TemporaryMemoryResourceGroup.getInstance(), TemporaryMemoryDeployment.getInstance()));
     }

com.developer.nefarious.zjoule.plugin/src/com/developer/nefarious/zjoule/plugin/login/pages/LoginOptionsPage.java

@@ -0,0 +1,49 @@
+package com.developer.nefarious.zjoule.plugin.login.pages;
+
+import org.eclipse.jface.wizard.WizardPage;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+
+public class LoginOptionsPage extends WizardPage {
+
+	public static final String PAGE_ID = "Login Options";
+
+	public LoginOptionsPage() {
+		super(PAGE_ID);
+		setTitle("Login Options");
+        setDescription("Choose the AI provider.");
+        setPageComplete(false); // Initially set the page as incomplete
+	}
+
+	@Override
+	public void createControl(final Composite parent) {
+		Composite container = new Composite(parent, SWT.NONE);
+		container.setLayout(new GridLayout(1, false));
+
+		Button option1 = new Button(container, SWT.RADIO);
+		option1.setText("SAP AI Core");
+	    option1.setToolTipText("Select model from the SAP AI Core Generative AI Hub.");
+	    option1.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
+	    option1.addListener(SWT.Selection, event -> setOption1());
+
+	    Button option2 = new Button(container, SWT.RADIO);
+	    option2.setText("Ollama (Local)");
+	    option2.setToolTipText("Select a local Ollama model.");
+	    option2.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
+	    option2.addListener(SWT.Selection, event -> setOption2());
+
+	    setControl(container);
+	}
+
+	private void setOption1() {
+		setPageComplete(true);
+	}
+
+	private void setOption2() {
+		setPageComplete(true);
+	}
+
+}