#!/usr/bin/env python3
"""
Setup script for the AI Agent System for Port Recommendations
Helps configure the environment and run the system.
"""

import os
import subprocess
import sys

def check_dependencies():
    """Check if required dependencies are installed"""
    print("🔍 Checking dependencies...")
    
    required_packages = [
        "gradio",
        "openai-agents", 
        "faiss-cpu",
        "langchain",
        "langchain-community",
        "sentence-transformers",
        "PyYAML"
    ]
    
    missing_packages = []
    
    for package in required_packages:
        try:
            __import__(package.replace("-", "_"))
            print(f"✅ {package}")
        except ImportError:
            print(f"❌ {package} (missing)")
            missing_packages.append(package)
    
    if missing_packages:
        print(f"\n📦 Missing packages: {', '.join(missing_packages)}")
        print("Install with: pip install " + " ".join(missing_packages))
        return False
    
    print("✅ All dependencies installed!")
    return True

def check_environment():
    """Check environment configuration"""
    print("\n🔧 Checking environment...")
    
    # Check for OpenAI API key
    if os.getenv("OPENAI_API_KEY"):
        print("✅ OPENAI_API_KEY is set")
        api_key_status = True
    else:
        print("❌ OPENAI_API_KEY is not set")
        print("   Set it with: export OPENAI_API_KEY='your-api-key-here'")
        api_key_status = False
    
    # Check for FAISS index
    if os.path.exists("faiss_index"):
        print("✅ FAISS index exists")
        faiss_status = True
    else:
        print("❌ FAISS index not found")
        print("   Run the loader script first to create the index")
        faiss_status = False
    
    return api_key_status and faiss_status

def show_usage_examples():
    """Show usage examples"""
    print("\n📖 Usage Examples:")
    print("=" * 50)
    
    examples = [
        {
            "query": "I need an unused port for a new server",
            "description": "Single port recommendation"
        },
        {
            "query": "I need to dual connect a server to the network, what ports should I use?",
            "description": "MLAG dual connection recommendation"
        },
        {
            "query": "What are the BGP settings for the fabric?",
            "description": "General network information query"
        },
        {
            "query": "Show me available interfaces on switch01",
            "description": "Device-specific port query"
        }
    ]
    
    for i, example in enumerate(examples, 1):
        print(f"{i}. {example['description']}")
        print(f"   Query: \"{example['query']}\"")
        print()

def main():
    """Main setup function"""
    print("🚀 AI Agent System Setup")
    print("=" * 50)
    
    deps_ok = check_dependencies()
    env_ok = check_environment()
    
    print("\n📊 Setup Summary:")
    print("=" * 30)
    
    if deps_ok and env_ok:
        print("✅ System ready to run!")
        print("\n🎯 To start the system:")
        print("   python app.py")
        print("\n🌐 Web interface will be available at:")
        print("   http://127.0.0.1:7862")
        
    else:
        print("⚠️  Setup incomplete")
        if not deps_ok:
            print("   - Install missing dependencies")
        if not env_ok:
            print("   - Configure environment variables")
            print("   - Create FAISS index if needed")
    
    show_usage_examples()
    
    print("\n🔗 Additional Resources:")
    print("- README_AGENTS.md - Architecture documentation")
    print("- IMPLEMENTATION_SUMMARY.md - Implementation details") 
    print("- validate_system.py - System validation tests")
    print("- demo.py - Interactive demonstration")

if __name__ == "__main__":
    main()