"""
Installation helper utilities for ARF Demo
"""
import subprocess
import sys
import logging
from typing import Dict, Any, List, Optional

logger = logging.getLogger(__name__)


class InstallationHelper:
    """Helper class for ARF package installation"""
    
    @staticmethod
    def install_arf_oss() -> Dict[str, Any]:
        """Install ARF OSS package"""
        try:
            logger.info("Installing ARF OSS v3.3.7...")
            result = subprocess.run(
                [sys.executable, "-m", "pip", "install", "agentic-reliability-framework==3.3.7"],
                capture_output=True,
                text=True,
                check=True
            )
            
            return {
                "success": True,
                "message": "✅ ARF OSS v3.3.7 installed successfully",
                "output": result.stdout
            }
            
        except subprocess.CalledProcessError as e:
            return {
                "success": False,
                "message": "❌ Failed to install ARF OSS",
                "error": e.stderr
            }
        except Exception as e:
            return {
                "success": False,
                "message": f"❌ Installation error: {str(e)}",
                "error": str(e)
            }
    
    @staticmethod
    def check_installation() -> Dict[str, Any]:
        """Check ARF package installation"""
        try:
            import agentic_reliability_framework as arf_oss
            oss_version = getattr(arf_oss, '__version__', 'unknown')
            oss_installed = True
        except ImportError:
            oss_installed = False
            oss_version = None
        
        try:
            import arf_enterprise
            enterprise_version = getattr(arf_enterprise, '__version__', 'unknown')
            enterprise_installed = True
        except ImportError:
            enterprise_installed = False
            enterprise_version = None
        
        return {
            "oss_installed": oss_installed,
            "oss_version": oss_version,
            "enterprise_installed": enterprise_installed,
            "enterprise_version": enterprise_version,
            "recommendations": InstallationHelper.get_recommendations(oss_installed, enterprise_installed)
        }
    
    @staticmethod
    def get_recommendations(oss_installed: bool, enterprise_installed: bool) -> List[str]:
        """Get installation recommendations"""
        recommendations = []
        
        if not oss_installed:
            recommendations.append(
                "Install ARF OSS: `pip install agentic-reliability-framework==3.3.7`"
            )
        
        if not enterprise_installed:
            recommendations.append(
                "Install ARF Enterprise: `pip install agentic-reliability-enterprise` (requires license)"
            )
        
        return recommendations
    
    @staticmethod
    def get_installation_html() -> str:
        """Get HTML for installation status display"""
        status = InstallationHelper.check_installation()
        
        if status["oss_installed"]:
            oss_html = f"""
            <div style="padding: 10px; background: #10b981; color: white; border-radius: 8px; margin: 5px 0;">
                ✅ ARF OSS v{status['oss_version']} installed
            </div>
            """
        else:
            oss_html = """
            <div style="padding: 10px; background: #f59e0b; color: white; border-radius: 8px; margin: 5px 0;">
                ⚠️ ARF OSS not installed
            </div>
            """
        
        if status["enterprise_installed"]:
            enterprise_html = f"""
            <div style="padding: 10px; background: #8b5cf6; color: white; border-radius: 8px; margin: 5px 0;">
                🚀 ARF Enterprise v{status['enterprise_version']} installed
            </div>
            """
        else:
            enterprise_html = """
            <div style="padding: 10px; background: #64748b; color: white; border-radius: 8px; margin: 5px 0;">
                🔒 ARF Enterprise not installed
            </div>
            """
        
        recommendations_html = ""
        if status["recommendations"]:
            rec_list = "\n".join([f"<li>{rec}</li>" for rec in status["recommendations"]])
            recommendations_html = f"""
            <div style="margin-top: 15px; padding: 10px; background: #f1f5f9; border-radius: 8px;">
                <strong>💡 Recommendations:</strong>
                <ul style="margin: 5px 0 0 0; padding-left: 20px;">
                    {rec_list}
                </ul>
            </div>
            """
        
        return f"""
        <div style="border: 1px solid #e2e8f0; border-radius: 12px; padding: 15px; background: white;">
            <h4 style="margin: 0 0 10px 0; color: #1e293b;">📦 ARF Installation Status</h4>
            {oss_html}
            {enterprise_html}
            {recommendations_html}
        </div>
        """


# Export singleton
installation_helper = InstallationHelper()