export const tokenHoldingAccountAddress = (): string => {
	try {
		const contents = fs.readFileSync(nemConfig.walletPath);
		const wallet = SimpleWallet.readFromNanoWalletWLF(contents);
		return wallet.address.plain();
	} catch (err) {
		console.log(err);
	}
};

const loadHoldingAccount = (): Account => {
	try {
		const contents = fs.readFileSync(nemConfig.walletPath);
		const wallet = SimpleWallet.readFromNanoWalletWLF(contents);
		const pass = new Password(nemConfig.walletPassword);
		return wallet.open(pass);
	} catch (err) {
		console.log(err);
	}
};

const downloadWallet = (wallet: SimpleWallet) => {
	console.log(white(`\n\nDownloading wallet for your convenience.\n\nPlease store someplace safe. The private key is encrypted by your password.\n\nTo load this wallet on a new computer you would simply import the .wlt file into this app and enter your password and you'll be able to sign transactions.
	`));

	if (!fs.existsSync(PATH_HOME)) {
		fs.mkdirSync(PATH_HOME);
	}

	let fullPath = PATH_WALLET;
	if (fs.existsSync(fullPath)) {
		const stamp = new Date().toISOString();
		fullPath = `${PATH_HOME}/${stamp}-${MOSAIC_NAME}-wallet.wlt`
	}
	fs.writeFileSync(fullPath, wallet.writeWLTFile());

	console.log(green(`Downloaded wallet to ${fullPath}`))
};

export const createSimpleWallet= (password: string): SimpleWallet => {
	const pass = new Password(password);
	return SimpleWallet.create(WALLET_NAME, pass);
};

const loadWallet = (): SimpleWallet => {
	const contents = fs.readFileSync(PATH_WALLET);
	return SimpleWallet.readFromWLT(contents);
};

const printBalance = async (onBalance: (balance: number) => void) => {
	const wallet = loadWallet();
	try {
		const account = await attemptWalletOpen(wallet);
		selectedAccount = account;
		console.log('\n');
		console.log(`\n${white('Public Address:')} ${white(account.address.pretty())}\n`);
		const spinner = new Spinner(yellow('Fetching balance... %s'));
		spinner.setSpinnerString(0);
		spinner.start();
		const balances = await getAccountBalances(account);
		const mosaic = await mosaicBalance(balances);
		const xem = await xemBalance(balances);
		spinner.stop();
		/**
		 * Convert raw number into user-readable string
		 * 1e6 is Scientific Notation - adds the decimal six
		 * places from the right: ie 156349876 => 156.349876
		 */
		const bal = (mosaic / 1e6).toString();
		const xemBal = (xem / 1e6).toString();
		console.log('\n');
		console.log(`\n${white('XEM Balance:')} ${white(xemBal)}`);
		console.log(`\n${white(`${MOSAIC_NAME} Balance:`)} ${white(bal)}\n`);
		onBalance(mosaic / 1e6);
	} catch (err) {
		if (err) {
			console.log(err);
		}
	}
};

		}, (_, result) => {
			const pass = new Password(result.password);
			try {
				resolve(wallet.open(pass));
			} catch (err) {
				console.log(red(`${err}`));
				console.log(white('Please try again'));
				reject();
			}
		});