#!/usr/bin/env python3
"""
Post-deployment verification script for Hugging Face Space.
Run this after deployment to verify all endpoints are working correctly.
"""

import requests
import json
import time
import argparse
from typing import Dict, Any

def test_endpoint(url: str, method: str = 'GET', data: Dict[Any, Any] = None, timeout: int = 30) -> Dict[str, Any]:
    """Test a single endpoint and return results."""
    try:
        if method.upper() == 'GET':
            response = requests.get(url, timeout=timeout)
        elif method.upper() == 'POST':
            response = requests.post(url, json=data, timeout=timeout)
        else:
            return {"success": False, "error": f"Unsupported method: {method}"}
        
        return {
            "success": True,
            "status_code": response.status_code,
            "response_time": response.elapsed.total_seconds(),
            "response_data": response.json() if response.headers.get('content-type', '').startswith('application/json') else response.text[:200]
        }
    except requests.exceptions.Timeout:
        return {"success": False, "error": "Request timed out"}
    except requests.exceptions.ConnectionError:
        return {"success": False, "error": "Connection error"}
    except Exception as e:
        return {"success": False, "error": str(e)}

def verify_deployment(base_url: str):
    """Run comprehensive deployment verification."""
    print(f"🚀 Starting deployment verification for: {base_url}")
    print("=" * 60)
    
    tests = [
        {
            "name": "Root Endpoint",
            "url": f"{base_url}/",
            "method": "GET",
            "expected_status": 200
        },
        {
            "name": "Health Check",
            "url": f"{base_url}/api/v1/health", 
            "method": "GET",
            "expected_status": 200
        },
        {
            "name": "Static Files Mount (Should return 404, not 500)",
            "url": f"{base_url}/static/test.txt",
            "method": "GET",
            "expected_status": 404
        },
        {
            "name": "Generate Horoscope",
            "url": f"{base_url}/api/v1/generate-horoscope",
            "method": "POST",
            "data": {
                "terms": ["Test", "Deployment", "Success", "Working", "Happy"],
                "date_of_birth": "1990-01-01"
            },
            "expected_status": 200
        }
    ]
    
    results = []
    
    for test in tests:
        print(f"\n🔍 Testing: {test['name']}")
        print(f"   URL: {test['url']}")
        
        result = test_endpoint(
            url=test['url'],
            method=test['method'],
            data=test.get('data'),
            timeout=30
        )
        
        if result['success']:
            status_code = result['status_code']
            expected = test['expected_status']
            
            if status_code == expected:
                print(f"   ✅ PASS - Status: {status_code}, Time: {result['response_time']:.2f}s")
                if 'response_data' in result:
                    print(f"   📝 Response: {result['response_data']}")
            else:
                print(f"   ❌ FAIL - Expected: {expected}, Got: {status_code}")
                print(f"   📝 Response: {result['response_data']}")
        else:
            print(f"   ❌ ERROR - {result['error']}")
        
        results.append({
            "test": test['name'],
            "result": result,
            "expected_status": test['expected_status']
        })
        
        # Small delay between tests
        time.sleep(1)
    
    # Summary
    print("\n" + "=" * 60)
    print("📊 DEPLOYMENT VERIFICATION SUMMARY")
    print("=" * 60)
    
    passed = 0
    failed = 0
    
    for result in results:
        test_name = result['test']
        test_result = result['result']
        expected = result['expected_status']
        
        if test_result['success'] and test_result['status_code'] == expected:
            print(f"✅ {test_name}")
            passed += 1
        else:
            print(f"❌ {test_name}")
            failed += 1
    
    print(f"\n📈 Results: {passed} passed, {failed} failed")
    
    if failed == 0:
        print("🎉 All tests passed! Deployment is successful.")
        return True
    else:
        print("💥 Some tests failed. Check the errors above.")
        return False

def main():
    parser = argparse.ArgumentParser(description='Verify Hugging Face Space deployment')
    parser.add_argument(
        '--url', 
        default='https://huggingface.co/spaces/ch404/cardserver',
        help='Base URL of the deployed application'
    )
    parser.add_argument(
        '--wait', 
        type=int, 
        default=0,
        help='Wait N seconds before starting tests (useful for fresh deployments)'
    )
    
    args = parser.parse_args()
    
    if args.wait > 0:
        print(f"⏰ Waiting {args.wait} seconds for deployment to fully start...")
        time.sleep(args.wait)
    
    success = verify_deployment(args.url)
    exit(0 if success else 1)

if __name__ == "__main__":
    main()