backend/test_openrouter.py

#!/usr/bin/env python3
"""
Test script to verify OpenRouter API connectivity
"""

import os
import httpx
import json
from dotenv import load_dotenv

# Load environment variables
load_dotenv()

def test_openrouter_api():
    """Test OpenRouter API connection"""
    api_key = os.getenv("OPENROUTER_API_KEY")
    
    if not api_key:
        print("❌ No OpenRouter API key found in environment variables")
        return False
    
    print(f"🔑 API Key found: {api_key[:10]}...{api_key[-4:]}")
    
    # Test API endpoint
    url = "https://openrouter.ai/api/v1/chat/completions"
    
    headers = {
        "Authorization": f"Bearer {api_key}",
        "HTTP-Referer": "http://localhost:3000",
        "X-Title": "PDF Q&A Chatbot Test",
        "Content-Type": "application/json"
    }
    
    payload = {
        "model": "meta-llama/llama-3-70b-instruct",
        "messages": [
            {"role": "user", "content": "Hello! Please respond with 'API test successful' if you can see this message."}
        ],
        "max_tokens": 50,
        "temperature": 0.1
    }
    
    print(f"🌐 Making request to: {url}")
    print(f"📤 Request payload: {json.dumps(payload, indent=2)}")
    
    try:
        with httpx.Client(timeout=30) as client:
            response = client.post(url, headers=headers, json=payload)
            
            print(f"📥 Response status: {response.status_code}")
            print(f"📥 Response headers: {dict(response.headers)}")
            
            # Log raw response
            response_text = response.text
            print(f"📥 Raw response: {response_text}")
            
            if not response_text.strip():
                print("❌ Empty response received")
                return False
            
            if response.status_code != 200:
                print(f"❌ HTTP error: {response.status_code}")
                return False
            
            # Try to parse JSON
            try:
                data = response.json()
                print(f"✅ JSON parsed successfully: {json.dumps(data, indent=2)}")
                
                if "choices" in data and data["choices"]:
                    answer = data["choices"][0]["message"]["content"]
                    print(f"🤖 AI Response: {answer}")
                    return True
                else:
                    print("❌ No choices in response")
                    return False
                    
            except json.JSONDecodeError as e:
                print(f"❌ JSON parsing failed: {e}")
                return False
                
    except Exception as e:
        print(f"❌ Request failed: {e}")
        return False

if __name__ == "__main__":
    print("🧪 Testing OpenRouter API connectivity...")
    success = test_openrouter_api()
    
    if success:
        print("✅ OpenRouter API test successful!")
    else:
        print("❌ OpenRouter API test failed!")