"""
Root resource for the OpenEventDatabase.
"""

import falcon
from oedb.utils.serialization import dumps
from oedb.utils.logging import logger

class RootResource:
    """
    Resource for the root endpoint.
    Handles the / endpoint.
    """
    
    def on_get(self, req, resp):
        """
        Handle GET requests to the / endpoint.
        Returns a JSON response with available routes and a welcome message.
        
        Args:
            req: The request object.
            resp: The response object.
        """
        logger.info("Processing GET request to /")
        
        try:
            # Create a response with available routes and a welcome message
            response = {
                "message": "Welcome to the OpenEventDatabase API!",
                "available_routes": {
                    "/": "This endpoint - provides information about available routes",
                    "/event": "Get events matching specified criteria",
                    "/event/{id}": "Get a specific event by ID",
                    "/event/search": "Search for events using a GeoJSON geometry",
                    "/stats": "Get statistics about the database",
                    "/demo": "Interactive demo page with a map showing current events"
                }
            }
            
            # Set the response body and status
            resp.text = dumps(response)
            resp.status = falcon.HTTP_200
            logger.success("Successfully processed GET request to /")
        except Exception as e:
            logger.error(f"Error processing GET request to /: {e}")
            resp.status = falcon.HTTP_500
            resp.text = dumps({"error": str(e)})

# Create a global instance of RootResource
root = RootResource()