import * as fs from 'fs';
import { config as dotenvConfig } from 'dotenv';
// Load .env file
dotenvConfig();
export interface Config {
youtrackUrl: string;
youtrackToken: string;
defaultProjectId?: string;
cache?: {
enabled: boolean;
ttl: number;
};
rateLimiting?: {
maxRequests: number;
windowMs: number;
};
customFields?: {
mappings: Record<string, string>;
};
}
export class ConfigManager {
private config: Config;
constructor() {
this.config = this.loadConfig();
}
private loadConfig(): Config {
// Priority: Environment variables > config file > defaults
const configPath = process.env.YOUTRACK_MCP_CONFIG || './config.json';
let fileConfig: any = {};
if (fs.existsSync(configPath)) {
try {
fileConfig = JSON.parse(fs.readFileSync(configPath, 'utf-8'));
} catch (error) {
console.warn('Failed to load config file:', error);
}
}
return {
youtrackUrl: process.env.YOUTRACK_URL || fileConfig.youtrackUrl || '',
youtrackToken: process.env.YOUTRACK_TOKEN || fileConfig.youtrackToken || '',
defaultProjectId: process.env.PROJECT_ID || fileConfig.defaultProjectId,
cache: {
enabled: process.env.CACHE_ENABLED !== 'false',
ttl: parseInt(process.env.CACHE_TTL || '300000'),
...fileConfig.cache,
},
rateLimiting: {
maxRequests: 100,
windowMs: 60000,
...fileConfig.rateLimiting,
},
customFields: fileConfig.customFields || {},
};
}
get(): Config {
return this.config;
}
validate(): void {
// Allow skipping validation in CI or explicit opt-out to enable module load smoke tests
if (process.env.SKIP_CONFIG_VALIDATION === 'true' || process.env.CI === 'true') {
return;
}
if (!this.config.youtrackUrl || !this.config.youtrackToken) {
throw new Error('YOUTRACK_URL and YOUTRACK_TOKEN are required');
}
}
}
