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export class ConfigService { constructor() { this.config = new Map(); this.loadConfig(); } /** * Load configuration from environment variables */ loadConfig() { // GitHub Configuration this.set('GITHUB_TOKEN', process.env.GITHUB_TOKEN); // General Settings this.set('MAX_PATCH_SIZE', parseInt(process.env.MAX_PATCH_SIZE) || 2000); this.set( 'MAX_FILES_TO_REVIEW', parseInt(process.env.MAX_FILES_TO_REVIEW) || 50 ); this.set('REQUEST_TIMEOUT', parseInt(process.env.REQUEST_TIMEOUT) || 30000); // 30 seconds // Logging Configuration this.set('LOG_LEVEL', process.env.LOG_LEVEL || 'info'); this.set('ENABLE_DEBUG', process.env.ENABLE_DEBUG === 'true'); } /** * Get configuration value */ get(key, defaultValue = null) { return this.config.get(key) || defaultValue; } /** * Set configuration value */ set(key, value) { this.config.set(key, value); } /** * Check if a configuration key exists and has a value */ has(key) { return ( this.config.has(key) && this.config.get(key) !== null && this.config.get(key) !== undefined ); } /** * Get configuration value as integer */ getInt(key, defaultValue = 0) { const value = this.get(key, defaultValue); return parseInt(value) || defaultValue; } /** * Get configuration value as boolean */ getBool(key, defaultValue = false) { const value = this.get(key); if (value === null || value === undefined) { return defaultValue; } return value === 'true' || value === true || value === '1' || value === 1; } /** * Validate required configuration */ validate() { const required = ['GITHUB_TOKEN']; const missing = required.filter(key => !this.has(key)); if (missing.length > 0) { throw new Error(`Missing required configuration: ${missing.join(', ')}`); } // Validate GitHub token format const githubToken = this.get('GITHUB_TOKEN'); if ( githubToken && !githubToken.startsWith('ghp_') && !githubToken.startsWith('github_pat_') ) { console.warn( 'Warning: GitHub token may not be in the expected format (should start with ghp_ or github_pat_)' ); } } /** * Get all configuration as object (safe for logging) */ toObject() { const obj = {}; for (const [key, value] of this.config.entries()) { // Don't expose sensitive values if (key.includes('TOKEN') || key.includes('KEY')) { obj[key] = value ? '[SET]' : '[NOT SET]'; } else { obj[key] = value; } } return obj; } /** * Update configuration at runtime */ update(key, value) { this.set(key, value); } /** * Reload configuration from environment */ reload() { this.config.clear(); this.loadConfig(); } }