import log from "../../log";
import colors from "chalk";
import {Command} from "commander";
import fs from "fs";
import Helper from "../../helper";
import Config from "../../config";
import Utils from "../utils";

const program = new Command("reset");
program
	.description("Reset user password")
	.on("--help", Utils.extraHelp)
	.argument("<name>", "name of the user")
	.option("--password [password]", "new password, will be prompted if not specified")
	.action(function (name, cmdObj) {
		if (!fs.existsSync(Config.getUsersPath())) {
			log.error(`${Config.getUsersPath()} does not exist.`);
			return;
		}

		// eslint-disable-next-line @typescript-eslint/no-var-requires
		const ClientManager = require("../../clientManager").default;
		const users = new ClientManager().getUsers();

		if (users === undefined) {
			// There was an error, already logged
			return;
		}

		if (!users.includes(name)) {
			log.error(`User ${colors.bold(name)} does not exist.`);
			return;
		}

		if (cmdObj.password) {
			change(name, cmdObj.password);
			return;
		}

		log.prompt(
			{
				text: "Enter new password:",
				silent: true,
			},
			function (err, password) {
				if (err) {
					return;
				}

				change(name, password);
			}
		);
	});

function change(name, password) {
	const pathReal = Config.getUserConfigPath(name);
	const pathTemp = pathReal + ".tmp";
	const user = JSON.parse(fs.readFileSync(pathReal, "utf-8"));

	user.password = Helper.password.hash(password);
	user.sessions = {};

	const newUser = JSON.stringify(user, null, "\t");

	// Write to a temp file first, in case the write fails
	// we do not lose the original file (for example when disk is full)
	fs.writeFileSync(pathTemp, newUser, {
		mode: 0o600,
	});
	fs.renameSync(pathTemp, pathReal);

	log.info(`Successfully reset password for ${colors.bold(name)}.`);
}

export default program;