const dnsPlugins = require('../global/certbot-dns-plugins.json');
const utils      = require('./utils');
const error      = require('./error');
const logger     = require('../logger').certbot;

// const letsencryptStaging = config.useLetsencryptStaging();
// const letsencryptConfig  = '/etc/letsencrypt.ini';
// const certbotCommand     = 'certbot';

// const acmeVersion  = '1.32.0';
const CERTBOT_VERSION_REPLACEMENT = '$(certbot --version | grep -Eo \'[0-9](\\.[0-9]+)+\')';

const certbot = {

	/**
	 * Installs a cerbot plugin given the key for the object from
	 * ../global/certbot-dns-plugins.json
	 *
	 * @param   {string}  pluginKey
	 * @returns {Object}
	 */
	installPlugin: async function (pluginKey) {
		if (typeof dnsPlugins[pluginKey] === 'undefined') {
			// throw Error(`Certbot plugin ${pluginKey} not found`);
			throw new error.ItemNotFoundError(pluginKey);
		}

		const plugin = dnsPlugins[pluginKey];
		logger.start(`Installing ${pluginKey}...`);

		plugin.version      = plugin.version.replace(/{{certbot-version}}/g, CERTBOT_VERSION_REPLACEMENT);
		plugin.dependencies = plugin.dependencies.replace(/{{certbot-version}}/g, CERTBOT_VERSION_REPLACEMENT);

		const cmd = '. /opt/certbot/bin/activate && pip install --no-cache-dir ' + plugin.dependencies + ' ' + plugin.package_name + plugin.version + ' ' + ' && deactivate';
		return utils.exec(cmd)
			.then((result) => {
				logger.complete(`Installed ${pluginKey}`);
				return result;
			})
			.catch((err) => {
				throw err;
			});
	},
};

module.exports = certbot;