export interface LoginConfig {
  serverUrl: string;
  email: string;
  username: string;
  domain?: string;
}

import fs from "node:fs";
import path from "node:path";

let dataDir: string = "./data";

export function initDataDir(dir: string): void {
  dataDir = path.resolve(dir);
  fs.mkdirSync(dataDir, { recursive: true });
}

let inMemoryPassword: string | null = null;

export function setPassword(password: string): void {
  inMemoryPassword = password;
}

export function getPassword(): string | null {
  return inMemoryPassword;
}

export function hasPassword(): boolean {
  return inMemoryPassword !== null;
}

export function clearPassword(): void {
  inMemoryPassword = null;
}

function configFilePath(): string {
  return path.join(dataDir, "config.json");
}

export function loadConfig(): LoginConfig {
  const filePath = configFilePath();
  if (!fs.existsSync(filePath)) {
    throw new Error("Not logged in. Use the login tool first.");
  }
  return JSON.parse(fs.readFileSync(filePath, "utf-8")) as LoginConfig;
}

export function saveConfig(config: LoginConfig): void {
  const filePath = configFilePath();
  fs.writeFileSync(filePath, JSON.stringify(config, null, 2), "utf-8");
}

export function clearConfig(): void {
  const filePath = configFilePath();
  if (fs.existsSync(filePath)) {
    fs.unlinkSync(filePath);
  }
  clearPassword();
}