export interface Config {
openWeatherMapKey: string;
weatherApiKey: string;
tomorrowIoKey: string;
cacheTtlMs: number;
cacheMaxEntries: number;
httpTimeoutMs: number;
hasOpenWeatherMap: boolean;
hasWeatherApi: boolean;
hasTomorrowIo: boolean;
}
function env(key: string, fallback: string = ''): string {
return process.env[key]?.trim() ?? fallback;
}
export function loadConfig(): Config {
const openWeatherMapKey = env('OPENWEATHERMAP_API_KEY');
const weatherApiKey = env('WEATHERAPI_KEY');
const tomorrowIoKey = env('TOMORROW_IO_API_KEY');
const cacheTtlMinutes = parseInt(env('CACHE_TTL_MINUTES', '60'), 10);
const cacheMaxEntries = parseInt(env('CACHE_MAX_ENTRIES', '200'), 10);
const httpTimeoutMs = parseInt(env('HTTP_TIMEOUT_MS', '10000'), 10);
return {
openWeatherMapKey,
weatherApiKey,
tomorrowIoKey,
cacheTtlMs: cacheTtlMinutes * 60 * 1000,
cacheMaxEntries,
httpTimeoutMs,
hasOpenWeatherMap: openWeatherMapKey.length > 0,
hasWeatherApi: weatherApiKey.length > 0,
hasTomorrowIo: tomorrowIoKey.length > 0,
};
}
export const config = loadConfig();
