"""
Configuration Check Script
Verify project configuration is correct
"""

import sys
from pathlib import Path


def check_python_version():
    """Check Python version"""
    print("Checking Python version...")
    if sys.version_info < (3, 10):
        print(f"[ERROR] Python version too low: {sys.version}")
        print("   Required: Python 3.10+")
        return False
    print(f"[OK] Python version: {sys.version.split()[0]}")
    return True


def check_dependencies():
    """Check required packages"""
    print("\nChecking dependencies...")
    
    required_packages = {
        'crewai': 'CrewAI',
        'fastapi': 'FastAPI',
        'uvicorn': 'Uvicorn',
        'pydantic': 'Pydantic',
        'pydantic_settings': 'Pydantic Settings',
        'dotenv': 'python-dotenv'
    }
    
    all_ok = True
    for package, name in required_packages.items():
        try:
            __import__(package)
            print(f"[OK] {name}: Installed")
        except ImportError:
            print(f"[ERROR] {name}: Not installed")
            all_ok = False
    
    return all_ok


def check_env_file():
    """Check environment file"""
    print("\nChecking environment configuration...")
    
    env_file = Path('.env')
    env_example = Path('.env.example')
    
    if not env_example.exists():
        print("[ERROR] .env.example file not found")
        return False
    
    print("[OK] .env.example exists")
    
    if not env_file.exists():
        print("[WARNING] .env file not found. Please copy from .env.example and configure")
        print("   Command: cp .env.example .env")
        return False
    
    print("[OK] .env file exists")
    
    # Check API Key
    with open(env_file, 'r', encoding='utf-8') as f:
        content = f.read()
        if 'DASHSCOPE_API_KEY=your_dashscope_api_key_here' in content:
            print("[WARNING] Please configure valid DashScope API Key in .env file")
            return False
        elif 'DASHSCOPE_API_KEY=' in content:
            print("[OK] DashScope API Key configured")
    
    return True


def check_project_structure():
    """Check project structure"""
    print("\nChecking project structure...")
    
    required_files = [
        'main.py',
        'agents/__init__.py',
        'agents/pm_agent.py',
        'agents/qa_agent.py',
        'agents/dev_agent.py',
        'crews/__init__.py',
        'crews/sdlc_crew.py',
        'models/__init__.py',
        'models/qwen_config.py',
        'static/index.html',
        'requirements.txt'
    ]
    
    all_ok = True
    for file_path in required_files:
        if Path(file_path).exists():
            print(f"[OK] {file_path}")
        else:
            print(f"[ERROR] {file_path} not found")
            all_ok = False
    
    return all_ok


def main():
    """Main function"""
    print("=" * 60)
    print("SDLC Agent Demo - Configuration Check")
    print("=" * 60)
    
    checks = [
        check_python_version(),
        check_dependencies(),
        check_env_file(),
        check_project_structure()
    ]
    
    print("\n" + "=" * 60)
    if all(checks):
        print("All checks passed! Ready to start the service.")
        print("\nStart command:")
        print("  uvicorn main:app --reload --host 0.0.0.0 --port 8000")
        print("\nAccess URL:")
        print("  http://localhost:8000/static/index.html")
    else:
        print("Some checks failed. Please fix the issues first.")
    print("=" * 60)


if __name__ == '__main__':
    main()