"""
View saved events resource for the OpenEventDatabase.
"""

import os
import falcon
import jinja2
from oedb.utils.logging import logger
from oedb.utils.db import load_env_from_file

class DemoViewEventsResource:
    """
    Resource for viewing saved events.
    Handles the /demo/view-events endpoint.
    """
    
    def __init__(self):
        """
        Initialize the resource with a Jinja2 environment.
        """
        # Set up Jinja2 environment
        template_dir = os.path.join(os.path.dirname(__file__), 'templates')
        self.jinja_env = jinja2.Environment(
            loader=jinja2.FileSystemLoader(template_dir),
            autoescape=jinja2.select_autoescape(['html', 'xml'])
        )
    
    def on_get(self, req, resp):
        """
        Handle GET requests to the /demo/view-events endpoint.
        Returns an HTML page with a map showing events stored in localStorage.
        
        Args:
            req: The request object.
            resp: The response object.
        """
        logger.info("Processing GET request to /demo/view-events")
        
        try:
            # Set content type to HTML
            resp.content_type = 'text/html'
            
            # Load environment variables from .env file for OAuth2 configuration
            load_env_from_file()
            
            # Get OAuth2 configuration parameters
            client_id = os.getenv("CLIENT_ID", "")
            client_secret = os.getenv("CLIENT_SECRET", "")
            client_redirect = os.getenv("CLIENT_REDIRECT", "")
            
            # Load and render the template with the appropriate variables
            template = self.jinja_env.get_template('view_events_new.html')
            html = template.render(
                client_id=client_id,
                client_secret=client_secret,
                client_redirect=client_redirect
            )
            
            # Set the response body and status
            resp.text = html
            resp.status = falcon.HTTP_200
            logger.success("Successfully processed GET request to /demo/view-events")
        except Exception as e:
            logger.error(f"Error processing GET request to /demo/view-events: {e}")
            resp.status = falcon.HTTP_500
            resp.text = f"Error: {str(e)}"

# Create a global instance of DemoViewEventsResource
demo_view_events = DemoViewEventsResource()