import { ipcMain } from 'electron';
import type { HDNodeWallet } from 'ethers';
import { Wallet } from 'ethers';
import fs from 'fs';
import path from 'path';

ipcMain.handle('wallet:createKeystore', async (_event, seed, password) => {
  const wallet = Wallet.fromPhrase(seed);
  const keystore = await wallet.encrypt(password);

  const savePath = path.join(process.cwd(), 'wallets');
  fs.mkdirSync(savePath, { recursive: true });

  const filePath = path.join(savePath, `${wallet.address}.json`);
  fs.writeFileSync(filePath, keystore);

  return { address: wallet.address, filePath };
});

ipcMain.handle('wallet:decryptKeystore', async (_event, filePath, password) => {
  const json = fs.readFileSync(filePath, 'utf-8');
  const wallet = await Wallet.fromEncryptedJson(json, password) as HDNodeWallet;
  return { address: wallet.address, phrase: wallet.mnemonic };
});