/**
* Configuration Management
* Environment-based configuration for production deployment
*/
import { config as dotenvConfig } from 'dotenv';
import { NLPConfig } from './types.js';
// Load environment variables
dotenvConfig();
function getEnvVar(key: string, defaultValue?: string): string {
const value = process.env[key];
if (!value && defaultValue === undefined) {
throw new Error(`Missing required environment variable: ${key}`);
}
return value || defaultValue || '';
}
function getEnvVarOptional(key: string): string | undefined {
return process.env[key];
}
function getEnvVarNumber(key: string, defaultValue: number): number {
const value = process.env[key];
if (!value) return defaultValue;
const parsed = parseInt(value, 10);
if (isNaN(parsed)) return defaultValue;
return parsed;
}
function getEnvVarBoolean(key: string, defaultValue: boolean): boolean {
const value = process.env[key];
if (!value) return defaultValue;
return value.toLowerCase() === 'true' || value === '1';
}
export const config: NLPConfig = {
openaiApiKey: getEnvVarOptional('OPENAI_API_KEY'),
embeddingModel: getEnvVar('EMBEDDING_MODEL', 'text-embedding-3-small'),
completionModel: getEnvVar('COMPLETION_MODEL', 'gpt-4-turbo-preview'),
maxTokens: getEnvVarNumber('MAX_TOKENS', 1000),
temperature: parseFloat(getEnvVar('TEMPERATURE', '0.3')),
sessionTTL: getEnvVarNumber('SESSION_TTL', 3600), // 1 hour
redisUrl: getEnvVarOptional('REDIS_URL'),
rateLimitPerMinute: getEnvVarNumber('RATE_LIMIT_PER_MINUTE', 60),
enableCaching: getEnvVarBoolean('ENABLE_CACHING', true),
debugMode: getEnvVarBoolean('DEBUG_MODE', false),
};
export const serverConfig = {
port: getEnvVarNumber('PORT', 3100),
host: getEnvVar('HOST', '0.0.0.0'),
corsOrigins: getEnvVar('CORS_ORIGINS', '*').split(','),
apiPrefix: getEnvVar('API_PREFIX', '/api/v1'),
trustProxy: getEnvVarBoolean('TRUST_PROXY', false),
};
// MCP Backend URLs - connect to existing servers
export const mcpEndpoints = {
prices: getEnvVar('MCP_PRICES_URL', 'http://localhost:3001'),
wallets: getEnvVar('MCP_WALLETS_URL', 'http://localhost:3002'),
yields: getEnvVar('MCP_YIELDS_URL', 'http://localhost:3003'),
combined: getEnvVar('MCP_COMBINED_URL', 'http://localhost:3000'),
};
export function validateConfig(): void {
const warnings: string[] = [];
if (!config.openaiApiKey) {
warnings.push('OPENAI_API_KEY not set - falling back to local NLP processing');
}
if (!config.redisUrl) {
warnings.push('REDIS_URL not set - using in-memory session storage (not recommended for production)');
}
if (warnings.length > 0) {
console.warn('Configuration warnings:');
warnings.forEach(w => console.warn(` - ${w}`));
}
}
