import type { IExecuteFunctions, INodeExecutionData } from 'n8n-workflow';
import { NodeOperationError } from 'n8n-workflow';

import * as block from './block/Block.resource';
import * as database from './database/Database.resource';
import * as databasePage from './databasePage/DatabasePage.resource';
import * as dataSource from './dataSource/DataSource.resource';
import * as page from './page/Page.resource';
import * as user from './user/User.resource';

const resources = {
	block,
	database,
	databasePage,
	dataSource,
	page,
	user,
};

type ResourceName = keyof typeof resources;

export async function router(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
	const items = this.getInputData();
	const resource = this.getNodeParameter('resource', 0) as ResourceName;
	const operation = this.getNodeParameter('operation', 0);

	const resourceRouter = resources[resource] as Record<string, unknown> | undefined;
	const execute = resourceRouter?.[operation as string];
	if (typeof execute !== 'function') {
		throw new NodeOperationError(
			this.getNode(),
			`The operation "${operation}" is not supported for resource "${resource}"`,
		);
	}

	return [await execute.call(this, items)];
}