#!/usr/bin/env python3
"""
Standalone test script for template system without database dependencies.
"""
import sys
import os

# Add the app directory to the path
sys.path.insert(0, os.path.join(os.path.dirname(__file__), 'app'))

from services.template_service import ProjectTemplateService

def test_template_service():
    """Test the template service functionality"""
    print("🧪 Testing ProjectTemplateService...")
    
    try:
        # Initialize service
        service = ProjectTemplateService()
        print("✅ Service initialized successfully")
        
        # List templates
        templates = service.list_templates()
        print(f"✅ Found {len(templates)} templates:")
        
        for template in templates:
            print(f"  - {template['name']} ({template['template_id']})")
            print(f"    Category: {template['category']}")
            print(f"    Difficulty: {template['difficulty']}")
            print(f"    Features: {len(template['features'])}")
            print()
        
        # Test getting specific template
        if templates:
            template_id = templates[0]['template_id']
            template_details = service.get_template(template_id)
            
            if template_details:
                print(f"✅ Retrieved template details for '{template_id}':")
                print(f"  - Metadata keys: {list(template_details['metadata'].keys())}")
                print(f"  - Files: {len(template_details['starter_files'])}")
                
                # List some starter files
                files = list(template_details['starter_files'].keys())[:5]
                print(f"  - Sample files: {files}")
                
                if len(template_details['starter_files']) > 5:
                    print(f"    ... and {len(template_details['starter_files']) - 5} more")
            else:
                print(f"❌ Failed to retrieve template details for '{template_id}'")
        
        print("\n🎉 Template service test completed successfully!")
        return True
        
    except Exception as e:
        print(f"❌ Template service test failed: {e}")
        import traceback
        traceback.print_exc()
        return False

def test_template_creation():
    """Test creating a project from template"""
    print("\n🧪 Testing project creation from template...")
    
    try:
        service = ProjectTemplateService()
        templates = service.list_templates()
        
        if not templates:
            print("⚠️  No templates available for testing")
            return True
        
        template_id = templates[0]['template_id']
        project_data = {
            'name': 'test-project',
            'description': 'A test project from template',
            'author': 'Test User'
        }
        
        # Create a temporary directory for testing
        import tempfile
        with tempfile.TemporaryDirectory() as temp_dir:
            result = service.create_project_from_template(template_id, project_data, temp_dir)
            
            print(f"✅ Project created from template '{template_id}':")
            print(f"  - Files created: {len(result['files_created'])}")
            print(f"  - Template ID: {result['template_id']}")
            print(f"  - Project path: {result['project_path']}")
            
            # Verify some files were created
            import os
            files_exist = 0
            for filename in result['files_created'][:3]:
                file_path = os.path.join(temp_dir, filename)
                if os.path.exists(file_path):
                    files_exist += 1
                    
            print(f"  - Verified {files_exist} files exist")
        
        print("✅ Project creation test completed successfully!")
        return True
        
    except Exception as e:
        print(f"❌ Project creation test failed: {e}")
        import traceback
        traceback.print_exc()
        return False

if __name__ == "__main__":
    print("🚀 Starting template system tests...\n")
    
    success = True
    success &= test_template_service()
    success &= test_template_creation()
    
    if success:
        print("\n🎉 All tests passed!")
        sys.exit(0)
    else:
        print("\n❌ Some tests failed!")
        sys.exit(1)