// Modules
const { promisify } = require('util');
const { exec } = require("child_process");
// Debug
const { DebugBuilder } = require("../utilities/debugBuilder.js");
// Global Vars
const log = new DebugBuilder("client", "executeConsoleCommands");
const execCommand = promisify(exec);


/**
 * 
 * @param {*} process The process to close
 * @returns {undefined} Undefined to replace the existing process in the parent
 */
exports.closeProcessWrapper = async (process) => {
    log.INFO("Leaving the server");
    if (!process) return undefined;

    // Try to close the process gracefully
    await process.kill(2);

    // Wait 25 seconds and see if the process is still open, if it is force it close
    await setTimeout(async () => {
        if (process) await process.kill(9);
    }, 25000)    
    
    return undefined;
}


/**
 * 
 * @param {*} consoleCommand 
 * @returns 
 */
exports.executeAsyncConsoleCommand = async function executeAsyncConsoleCommand(consoleCommand) {
    // Check to see if the command is a real command
    // TODO needs to be improved
    const acceptableCommands = [ "arecord -L", 'ipconfig', 'ip addr' ];
    if (!acceptableCommands.includes(consoleCommand)) {
        log.WARN("Console command is not acceptable: ", consoleCommand);        
        return undefined;
    }
    log.DEBUG("Running console command: ", consoleCommand);

    const tempOutput = await execCommand(consoleCommand);
    const output = tempOutput.stdout.trim();

    log.DEBUG("Executed Console Command Response: ", output)

    // TODO add some error checking
    return output;
}

/**
 * 
 */
class nodeObject {
    /**
     * 
     * @param {*} param0._id The ID of the node 
     * @param {*} param0._name The name of the node
     * @param {*} param0._ip The IP that the master can contact the node at
     * @param {*} param0._port The port that the client is listening on
     * @param {*} param0._location The physical location of the node
     * @param {*} param0._online An integer representation of the online status of the bot, ie 0=off, 1=on
     * @param {*} param0._nearbySystems An object array of nearby systems
     */
    constructor({ _id = null, _name = null, _ip = null, _port = null, _location = null, _nearbySystems = null, _online = null }) {
        this.id = _id;
        this.name = _name;        
        this.ip = _ip;
        this.port = _port;
        this.location = _location;
        this.nearbySystems = _nearbySystems;
        this.online = _online;
    }
}

exports.nodeObject = nodeObject;