#!/usr/bin/env python3
"""
Quick fix script for Docker build and runtime issues
"""

import os
import subprocess

def run_command(command, description):
    """Run a command and handle errors"""
    print(f"🔄 {description}...")
    try:
        result = subprocess.run(command, shell=True, check=True, capture_output=True, text=True)
        print(f"✅ {description} completed successfully")
        return result.stdout
    except subprocess.CalledProcessError as e:
        print(f"❌ {description} failed:")
        print(f"Error: {e.stderr}")
        return None

def main():
    print("🔧 Docker Build & Runtime Fix for Devam Jersey Server")
    print("=" * 60)
    
    print("\n🚨 Issues encountered:")
    print("1. ✅ BUILD: Package compatibility (FIXED)")
    print("2. ❌ RUNTIME: OpenCV libGL.so.1 error (NEW ISSUE)")
    
    print("\n🔍 Root Cause Analysis:")
    print("- OpenCV is trying to load GUI libraries even with headless version")
    print("- This happens when ultralytics imports cv2")
    print("- The libGL.so.1 error indicates missing OpenGL libraries")
    
    print("\n📋 Solutions Available:")
    
    print("\n📋 Solution 1: Use Startup Script (Recommended)")
    print("The Dockerfile now uses start_server.py which handles OpenCV better:")
    print("   git add .")
    print("   git commit -m 'Add OpenCV headless startup script'")
    print("   git push")
    
    print("\n📋 Solution 2: Use OpenCV-Fixed Dockerfile")
    print("If Solution 1 doesn't work:")
    print("   mv Dockerfile Dockerfile.backup")
    print("   mv Dockerfile.opencv_fix Dockerfile")
    print("   git add .")
    print("   git commit -m 'Use OpenCV-compatible Dockerfile'")
    print("   git push")
    
    print("\n📋 Solution 3: Manual OpenCV Fix")
    print("Edit requirements.txt and change:")
    print("   opencv-python-headless>=4.8.0,<5.0.0")
    print("   to:")
    print("   opencv-python-headless==4.8.1.78")
    
    print("\n📋 Solution 4: Alternative Base Image")
    print("Try a different Python base:")
    print("   FROM python:3.9-slim-bullseye")
    print("   or")
    print("   FROM python:3.9-buster")
    
    print("\n🔧 What I've Fixed:")
    print("- ✅ Updated Dockerfile with bullseye base")
    print("- ✅ Added environment variables for headless mode")
    print("- ✅ Created start_server.py with OpenCV handling")
    print("- ✅ Created Dockerfile.opencv_fix as backup")
    print("- ✅ Updated requirements.txt with version constraints")
    
    print("\n💡 Pro Tips:")
    print("- The startup script provides better error handling")
    print("- OpenCV 4.8.1.78 is known to work well in Docker")
    print("- Environment variables force headless mode")
    print("- Monitor build logs after each fix attempt")
    
    print("\n🚀 After fixing, monitor:")
    print("1. Build completion in HF Space")
    print("2. Runtime logs for OpenCV errors")
    print("3. API endpoint responses")
    
    print("\n🆘 If all else fails:")
    print("- Consider using a different ML framework")
    print("- Use Hugging Face's built-in inference endpoints")
    print("- Deploy on a different platform (AWS, GCP, etc.)")

if __name__ == "__main__":
    main()