/**
 * Risk management configuration for trading operations
 */
import { getNumericEnvVar, validateConfig, createConfigLoader } from './core';
import { riskConfigSchema, RiskConfig } from './types';

/**
 * Default risk configuration
 */
const defaultRiskConfig: RiskConfig = {
  maxDrawdown: 0.05,
  maxPositionSize: 0.1,
  maxLeverage: 1,
  stopLossDefault: 0.02,
  takeProfitDefault: 0.05
};

/**
 * Load risk configuration from environment variables
 */
export function loadRiskConfig(): RiskConfig {
  const config: RiskConfig = {
    maxDrawdown: getNumericEnvVar('RISK_MAX_DRAWDOWN', defaultRiskConfig.maxDrawdown),
    maxPositionSize: getNumericEnvVar('RISK_MAX_POSITION_SIZE', defaultRiskConfig.maxPositionSize),
    maxLeverage: getNumericEnvVar('RISK_MAX_LEVERAGE', defaultRiskConfig.maxLeverage),
    stopLossDefault: getNumericEnvVar('RISK_STOP_LOSS_DEFAULT', defaultRiskConfig.stopLossDefault),
    takeProfitDefault: getNumericEnvVar('RISK_TAKE_PROFIT_DEFAULT', defaultRiskConfig.takeProfitDefault)
  };

  return validateConfig(config, riskConfigSchema);
}

/**
 * Creates a dynamic configuration loader for risk management
 */
export const createRiskConfig = createConfigLoader<typeof defaultRiskConfig>(
  'risk',
  riskConfigSchema,
  defaultRiskConfig
);

/**
 * Singleton risk configuration
 */
export const riskConfig = loadRiskConfig();