import { promises as fs } from 'fs';
import { dirname } from 'path';
import { Config } from '../types/index.js';
import { DEFAULT_CONFIG, DEFAULT_CONFIG_DIR, DEFAULT_CONFIG_PATH } from './constants.js';
export class ConfigManager {
private config: Config;
private configPath: string;
constructor(configPath: string = DEFAULT_CONFIG_PATH) {
this.configPath = configPath;
this.config = { ...DEFAULT_CONFIG };
}
async load(): Promise<Config> {
try {
const data = await fs.readFile(this.configPath, 'utf-8');
const loaded = JSON.parse(data);
this.config = { ...DEFAULT_CONFIG, ...loaded };
return this.config;
} catch (error: any) {
if (error.code === 'ENOENT') {
// Config doesn't exist, create with defaults
await this.save();
return this.config;
}
throw new Error(`Failed to load config: ${error.message}`);
}
}
async save(): Promise<void> {
try {
// Ensure directory exists
await fs.mkdir(dirname(this.configPath), { recursive: true });
await fs.writeFile(this.configPath, JSON.stringify(this.config, null, 2), 'utf-8');
} catch (error: any) {
throw new Error(`Failed to save config: ${error.message}`);
}
}
get(): Config {
return this.config;
}
update(partial: Partial<Config>): void {
this.config = { ...this.config, ...partial };
}
async ensureConfigDir(): Promise<void> {
await fs.mkdir(DEFAULT_CONFIG_DIR, { recursive: true });
}
}
export const configManager = new ConfigManager();
