import dotenv from 'dotenv';
dotenv.config();
const parseNumber = (value: string | undefined, fallback: number): number => {
const parsed = Number(value);
return Number.isFinite(parsed) ? parsed : fallback;
};
const parseBoolean = (value: string | undefined, fallback: boolean): boolean => {
if (value === undefined) return fallback;
return ['1', 'true', 'yes', 'on'].includes(value.toLowerCase());
};
const parseDefaultParameters = (): Record<string, unknown> => {
const raw = process.env.DEFAULT_PARAMETERS;
if (!raw) return {};
try {
const parsed = JSON.parse(raw);
if (!parsed || typeof parsed !== 'object' || Array.isArray(parsed)) {
return {};
}
return parsed as Record<string, unknown>;
} catch {
return {};
}
};
const parseSeedKeys = (): string[] => {
const raw = process.env.TAVILY_API_KEYS || process.env.TAVILY_API_KEY || '';
if (!raw) return [];
return raw
.split(',')
.map((key) => key.trim())
.filter(Boolean);
};
export const config = {
port: parseNumber(process.env.PORT || process.env.SUPERGATEWAY_PORT, 60002),
host: process.env.HOST || '0.0.0.0',
databasePath: process.env.DATABASE_PATH || './data/tavily.db',
databaseEncryptionKey: process.env.DATABASE_ENCRYPTION_KEY || '',
logRetentionDays: parseNumber(process.env.LOG_RETENTION_DAYS, 30),
maxConcurrentRequests: parseNumber(process.env.MAX_CONCURRENT_REQUESTS, 4),
requestTimeoutMs: parseNumber(process.env.REQUEST_TIMEOUT, 30000),
maxKeyErrors: parseNumber(process.env.MAX_KEY_ERRORS, 5),
adminPassword: process.env.ADMIN_PASSWORD || '',
enableWebUI: parseBoolean(process.env.ENABLE_WEB_UI, true),
logLevel: (process.env.LOG_LEVEL || 'info').toLowerCase(),
logFormat: (process.env.LOG_FORMAT || 'json').toLowerCase(),
nodeEnv: process.env.NODE_ENV || 'production',
defaultParameters: parseDefaultParameters(),
seedKeys: parseSeedKeys(),
};
export const assertConfig = (): void => {
if (!config.databaseEncryptionKey) {
throw new Error('DATABASE_ENCRYPTION_KEY is required. Set it before starting the service.');
}
};
