import dotenv from 'dotenv';
import * as path from 'path';
import { fileURLToPath } from 'url';
const __dirname = path.dirname(fileURLToPath(import.meta.url));
export class ConfigService {
private static instance: ConfigService;
private config: {
apiKey: string;
httpPort: number;
rateLimitRequests: number;
rateLimitWindow: number;
};
private constructor() {
dotenv.config({ path: path.join(__dirname, '..', '..', '.env') });
this.config = {
apiKey: process.env.API_KEY || '',
httpPort: parseInt(process.env.HTTP_PORT || '3001', 10),
rateLimitRequests: parseInt(process.env.RATE_LIMIT_REQUESTS || '50', 10),
rateLimitWindow: parseInt(process.env.RATE_LIMIT_WINDOW || '60000', 10),
};
if (!this.config.apiKey) {
throw new Error('API_KEY environment variable is required');
}
}
static getInstance(): ConfigService {
if (!ConfigService.instance) {
ConfigService.instance = new ConfigService();
}
return ConfigService.instance;
}
get apiKey(): string {
return this.config.apiKey;
}
get httpPort(): number {
return this.config.httpPort;
}
get rateLimitRequests(): number {
return this.config.rateLimitRequests;
}
get rateLimitWindow(): number {
return this.config.rateLimitWindow;
}
}
