import * as amqp from "amqplib";
import { ProcessManager } from "./processManager";
import os from "os";
import { QueryManager } from "./queryManager";
import { WrapperStatusMessage } from "server-manager-shared";
import { WRAPPER_STATUS_INTERVAL } from "./config";
import { getLogger } from "./logger";

const logger = getLogger("StatusReporter");

export class StatusReporter {


    constructor(

        private channel: amqp.Channel,

        private processManager: ProcessManager,

        private queryManager: QueryManager,

        private wrapperId: string

    ){}



    start(){

        logger.debug(
            "Status Reporter gestartet"
        );


        setInterval(()=>{


            this.sendStatus();


        },WRAPPER_STATUS_INTERVAL);


    }






    sendStatus(){



        const processes =
            this.processManager.getStatus();


        const queries =
            this.queryManager.getStatus();



        const servers =
            processes.map(server => {


                const query =
                    queries.find(
                        (q:any) =>
                            q.id === server.id
                    );



                return {


                    ...server,


                    players:
                        query?.players ?? 0,


                    maxPlayers:
                        query?.maxPlayers ?? 0


                };


            });





        const status: WrapperStatusMessage = {


            type:
                "wrapper.status",


            wrapperId:
                this.wrapperId,


            servers,



            ramFree:
                Math.round(

                    os.freemem()
                    /
                    1024
                    /
                    1024

                )


        };





        this.channel.sendToQueue(


            "wrapper.register",



            Buffer.from(

                JSON.stringify(status)

            )


        );





        logger.debug(
            "Status gesendet:",
            servers.length,
            "Server"

        );


    }



}