using Invercargill.DataStructures;

namespace Astralis {

    public delegate HttpResult RouteHandler(HttpContext context) throws Error;


    public class RouteEntry {
        public RouteHandler handler;
        public RouteEntry(owned RouteHandler handler) {
            this.handler = (owned) handler;
        }
    }

    public class Router : HttpHandler, Object {
        private Dictionary<string, RouteEntry> routes = new Dictionary<string, RouteEntry>();

        public void map_get(string path, owned RouteHandler handler) {
            // In a real router, we'd handle methods separately.
            // For now, simple path mapping.
            routes.set(path, new RouteEntry((owned) handler));
        }

        public async HttpResult handle(HttpContext context) {
            try {
                return routes.get(context.request.raw_path).handler(context);
            } catch (Invercargill.IndexError e) {
                return new BufferedHttpResult.from_string("Not Found", StatusCode.NOT_FOUND);
            }
            catch {
                return new BufferedHttpResult.from_string("Internal Server Error", StatusCode.INTERNAL_SERVER_ERROR);
            }
        }
    }
}