const { VertexAI } = require('@google-cloud/vertexai');

async function testSimple() {
  console.log('🧪 Testing Gemini 3 Pro Preview (simple text)...\n');
  
  const vertexAI = new VertexAI({
    project: 'gen-lang-client-0980079410',
    location: 'global',
  });
  
  try {
    const model = vertexAI.getGenerativeModel({
      model: 'gemini-3-pro-preview',
      generationConfig: { temperature: 1.0 },
    });
    
    console.log('⏳ Sending simple text request...\n');
    
    const response = await model.generateContent({
      contents: [{
        role: 'user',
        parts: [{ text: 'Say "Hello from Gemini 3!" in exactly those words.' }],
      }],
    });
    
    const text = response.response?.candidates?.[0]?.content?.parts?.[0]?.text || 'No response';
    console.log('✅ Response:', text, '\n');
    
    if (text.includes('Gemini 3') || text.includes('Hello')) {
      console.log('🎉 SUCCESS! Gemini 3 Pro Preview is responding!');
      return true;
    }
  } catch (error) {
    console.error('❌ Full error:', error);
    return false;
  }
}

testSimple();