import { BaseSubagent } from '../base-subagent.js';
import type { BaseChatModel } from '@langchain/core/language_models/chat_models';
import type { FastifyBaseLogger } from 'fastify';
import type { MCPClientConnector } from '../../mcp-client.js';

/**
 * Strategy Subagent
 *
 * Specialized agent for writing PandasStrategy classes, running backtests,
 * and managing strategy activation/deactivation.
 */
export class StrategySubagent extends BaseSubagent {
  protected getRecursionLimit() { return 30; }
  protected getFallbackText() { return 'Strategy task completed.'; }
}

/**
 * Factory function to create and initialize StrategySubagent
 */
export async function createStrategySubagent(
  model: BaseChatModel,
  logger: FastifyBaseLogger,
  basePath: string,
  mcpClient?: MCPClientConnector,
  tools?: any[]
): Promise<StrategySubagent> {
  const config = await BaseSubagent.loadConfig(basePath);
  const subagent = new StrategySubagent(config, model, logger, mcpClient, tools);
  await subagent.initialize(basePath);
  return subagent;
}