import { defineMetadata, getMetadata } from "../core/metadata.ts";

const KEY = "muddle:render-route";

export interface CollectionRenderRoute {
	collection: string;
	path: string;
}

export type RenderRouteSource = string | string[] | CollectionRenderRoute;

export function routeFolder(...segments: string[]): string {
	return `/${segments.filter(Boolean).map((segment) => segment.replace(/^\/+|\/+$/g, "")).join("/")}`;
}

export function collectionRoute(collection: string, path: string): CollectionRenderRoute {
	return { collection, path };
}

export function RenderRoute(routes: RenderRouteSource[]): MethodDecorator {
	return (target, propertyKey) => defineMetadata(KEY, routes, target, propertyKey);
}

export function getRenderRoutes(target: object, propertyKey: string): RenderRouteSource[] {
	return (getMetadata(KEY, target, propertyKey) as RenderRouteSource[] | undefined) ?? [];
}