import { Time } from '@n8n/constants';

import { Config, Env } from '../decorators';

@Config
export class ChatHubConfig {
	/**
	 * Time to live in seconds for execution context in Chat Hub.
	 * Maximum duration for a single non-streaming Workflow Agent execution, including wait time.
	 * After this TTL, responses from those executions are no longer captured or sent to the client.
	 */
	@Env('N8N_CHAT_HUB_EXECUTION_CONTEXT_TTL')
	executionContextTtl: number = 1 * Time.hours.toSeconds;

	/**
	 * Time to live in seconds for stream state in Chat Hub.
	 * Inactive streams are cleaned up after this duration.
	 */
	@Env('N8N_CHAT_HUB_STREAM_STATE_TTL')
	streamStateTtl: number = 5 * Time.minutes.toSeconds;

	/** Maximum number of response chunks to buffer per stream for reconnection in Chat Hub. */
	@Env('N8N_CHAT_HUB_MAX_BUFFERED_CHUNKS')
	maxBufferedChunks: number = 1000;
}