/**
* CLI Configuration Management
*/
import { existsSync, mkdirSync, readFileSync, writeFileSync } from 'fs';
import { homedir } from 'os';
import { join } from 'path';
export interface CliConfig {
defaultHost?: string;
defaultPort?: number;
token?: string;
}
const CONFIG_DIR = join(homedir(), '.mcp-router');
const CONFIG_FILE = join(CONFIG_DIR, 'cli-config.json');
/**
* Get the configuration file path.
*/
export function getConfigPath(): string {
return CONFIG_FILE;
}
/**
* Load CLI configuration from disk.
*/
export async function loadConfig(): Promise<CliConfig> {
try {
if (!existsSync(CONFIG_FILE)) {
return {};
}
const content = readFileSync(CONFIG_FILE, 'utf-8');
return JSON.parse(content) as CliConfig;
} catch {
return {};
}
}
/**
* Save CLI configuration to disk.
*/
export async function saveConfig(config: CliConfig): Promise<void> {
// Ensure config directory exists
if (!existsSync(CONFIG_DIR)) {
mkdirSync(CONFIG_DIR, { recursive: true, mode: 0o700 });
}
// Write config file with restricted permissions
writeFileSync(CONFIG_FILE, JSON.stringify(config, null, 2), {
encoding: 'utf-8',
mode: 0o600,
});
}
/**
* Merge new config with existing config.
*/
export async function mergeConfig(updates: Partial<CliConfig>): Promise<CliConfig> {
const current = await loadConfig();
const merged = { ...current, ...updates };
await saveConfig(merged);
return merged;
}
