"use strict";

const Promise = require("bluebird");
const childProcess = require("child_process");

module.exports = function runProgram(binary, args = [], options = {}) {
	return new Promise((resolve, reject) => {
		let proc = childProcess.spawn(binary, args, Object.assign({
			stdio: [ process.stdin, process.stdout, process.stderr ]
		}, options));

		proc.on("error", (error) => {
			reject(error);
		});

		proc.on("exit", (exitCode, signal) => {
			if (exitCode === 0) {
				resolve();
			} else if (exitCode != null) {
				reject(`Non-zero exit code: ${exitCode}`);
			} else if (signal != null) {
				reject(`Process terminated by signal: ${signal}`);
			} else {
				reject("Process exited abnormally");
			}
		});
	});
};