import os
import sys
from PIL import Image
import numpy as np

def test_imports():
    try:
        import gradio as gr
        import google.generativeai as genai
        import cv2
        import numpy as np
        from PIL import Image
        print("✅ All required imports successful")
        return True
    except ImportError as e:
        print(f"❌ Import failed: {e}")
        return False

def test_app_initialization():
    try:
        from app import NanoBananaApp
        app = NanoBananaApp()
        print("✅ App initialization successful")
        return True
    except Exception as e:
        print(f"❌ App initialization failed: {e}")
        return False

def test_image_processing():
    try:
        test_image = Image.new('RGB', (512, 512), color='white')
        
        from app import NanoBananaApp
        app = NanoBananaApp()
        
        resized = app._resize_image_if_needed(test_image)
        print(f"✅ Image processing test passed - size: {resized.size}")
        return True
    except Exception as e:
        print(f"❌ Image processing test failed: {e}")
        return False

def test_gradio_interface():
    try:
        from app import demo
        print("✅ Gradio interface created successfully")
        return True
    except Exception as e:
        print(f"❌ Gradio interface test failed: {e}")
        return False

def main():
    print("🧪 Testing Nano Banana Deployment")
    print("=" * 40)
    
    tests = [
        ("Import Test", test_imports),
        ("App Initialization", test_app_initialization), 
        ("Image Processing", test_image_processing),
        ("Gradio Interface", test_gradio_interface)
    ]
    
    passed = 0
    for test_name, test_func in tests:
        print(f"\n{test_name}:")
        if test_func():
            passed += 1
    
    print("\n" + "=" * 40)
    print(f"Results: {passed}/{len(tests)} tests passed")
    
    if passed == len(tests):
        print("🎉 All tests passed! Ready for deployment.")
    else:
        print("⚠️ Some tests failed. Check the issues above.")
    
    return passed == len(tests)

if __name__ == "__main__":
    success = main()
    sys.exit(0 if success else 1)