import requests
import json


def test_api_connection():
    """Test if the API is running"""
    try:
        response = requests.get("http://localhost:8000/", timeout=5)
        print("✅ API is running!")
        print(f"Status: {response.json()}")
        return True
    except requests.exceptions.ConnectionError:
        print("❌ Cannot connect to API. Make sure it's running on http://localhost:8000")
        return False
    except Exception as e:
        print(f"❌ Error connecting to API: {e}")
        return False


def ask_question(question):
    """Send a question to the API"""
    try:
        url = "http://localhost:8000/ask"
        headers = {"Content-Type": "application/json"}
        data = {"query": question}

        print("🤔 Processing your question...")
        response = requests.post(url, headers=headers, json=data, timeout=30)

        if response.status_code == 200:
            result = response.json()
            print("\n" + "="*60)
            print("📝 ANSWER:")
            print("="*60)
            print(result.get("answer", "No answer provided"))

            print(f"\n🤖 Model used: {result.get('model_used', 'Unknown')}")

            print(
                f"\n 🏪 Vector store used: {result.get("vector_store_used", 'Unknown')}")

            if "sources" in result and result["sources"]:
                print(f"\n📚 Sources ({len(result['sources'])}):")
                for i, source in enumerate(result["sources"], 1):
                    print(f"{i}. {source.get('content', 'No content')}")
            print("="*60)
        else:
            print(f"❌ Error {response.status_code}: {response.text}")

    except requests.exceptions.Timeout:
        print("⏰ Request timed out. The API might be processing a complex query.")
    except Exception as e:
        print(f"❌ Error asking question: {e}")


def interactive_loop():
    """Main interactive loop"""
    print("🚀 FastAPI Interactive Tester")
    print("="*40)

    # Test connection first
    if not test_api_connection():
        print("\nPlease start your FastAPI server first:")
        print("cd rag_app")
        print("python api/main.py")
        return

    print("\n💡 Type your questions below!")
    print("Commands:")
    print("  • Type any question to ask the API")
    print("  • Type 'quit', 'exit', or 'q' to exit")
    print("  • Type 'status' to check API status")
    print("  • Press Ctrl+C to exit anytime")
    print("-" * 40)

    while True:
        try:
            # Get user input
            question = input("\n❓ Your question: ").strip()

            # Handle special commands
            if question.lower() in ['quit', 'exit', 'q']:
                print("👋 Goodbye!")
                break
            elif question.lower() == 'status':
                test_api_connection()
                continue
            elif not question:
                print("Please enter a question or 'quit' to exit.")
                continue

            # Ask the question
            ask_question(question)

        except KeyboardInterrupt:
            print("\n\n👋 Goodbye!")
            break
        except Exception as e:
            print(f"❌ Unexpected error: {e}")


if __name__ == "__main__":
    interactive_loop()