import { execSync } from 'child_process';
import { readFileSync, existsSync } from 'fs';
import { homedir } from 'os';
import { join } from 'path';
export interface KCCConfig {
git: {
author_name: string;
author_email: string;
};
kcc_repo_path: string;
rules?: {
block_ai_attribution?: boolean;
require_conventional_commits?: boolean;
};
}
export class ConfigManager {
private config: KCCConfig | null = null;
constructor() {
this.loadConfig();
}
private loadConfig(): void {
// Priority:
// 1. Environment variables
// 2. Config file (~/.config/kcc-mcp-server/config.json)
// 3. Git config (fallback)
const configPath = join(homedir(), '.config', 'kcc-mcp-server', 'config.json');
let fileConfig: Partial<KCCConfig> = {};
if (existsSync(configPath)) {
try {
fileConfig = JSON.parse(readFileSync(configPath, 'utf-8'));
} catch (err) {
console.error(`Warning: Could not parse config file: ${err}`);
}
}
const authorEmail =
process.env.KCC_AUTHOR_EMAIL ||
fileConfig.git?.author_email ||
this.getGitConfig('user.email');
const authorName =
process.env.KCC_AUTHOR_NAME ||
fileConfig.git?.author_name ||
this.getGitConfig('user.name');
const kccRepoPath =
process.env.KCC_REPO_PATH ||
fileConfig.kcc_repo_path ||
'';
if (!authorEmail || !authorName) {
throw new Error(
'Git author not configured. Set either:\n' +
'1. KCC_AUTHOR_EMAIL and KCC_AUTHOR_NAME environment variables, or\n' +
'2. ~/.config/kcc-mcp-server/config.json, or\n' +
'3. git config user.email and user.name\n\n' +
'Example config file:\n' +
JSON.stringify(
{
git: {
author_name: 'Your Name',
author_email: 'you@example.com',
},
kcc_repo_path: '/path/to/k8s-config-connector',
},
null,
2
)
);
}
if (!kccRepoPath) {
throw new Error(
'KCC repository path not configured. Set either:\n' +
'1. KCC_REPO_PATH environment variable, or\n' +
'2. kcc_repo_path in ~/.config/kcc-mcp-server/config.json'
);
}
this.config = {
git: {
author_name: authorName,
author_email: authorEmail,
},
kcc_repo_path: kccRepoPath,
rules: {
block_ai_attribution: true, // Always enforced
require_conventional_commits: fileConfig.rules?.require_conventional_commits ?? true,
},
};
}
private getGitConfig(key: string): string {
try {
return execSync(`git config ${key}`, { encoding: 'utf-8' }).trim();
} catch {
return '';
}
}
getConfig(): KCCConfig {
if (!this.config) {
throw new Error('Configuration not loaded');
}
return this.config;
}
getGitAuthor(): { name: string; email: string } {
const config = this.getConfig();
return {
name: config.git.author_name,
email: config.git.author_email,
};
}
getRepoPath(): string {
return this.getConfig().kcc_repo_path;
}
isBlockAIAttribution(): boolean {
return this.getConfig().rules?.block_ai_attribution ?? true;
}
isRequireConventionalCommits(): boolean {
return this.getConfig().rules?.require_conventional_commits ?? true;
}
}
