export interface ServerInfo {


    id:string;

    name:string;

    wrapperId:string;


    status:
        | "STARTING"
        | "RUNNING"
        | "STOPPING"
        | "CRASHED";


    port:number;

    queryPort:number;


    pid?:number;


    players:number;


    maxPlayers:number;

    
    emptySince?:number;


    created:number;


    lastSeen:number;


}





export class ServerRegistry {



    private servers =
        new Map<string, ServerInfo>();





    add(server:ServerInfo){


        this.servers.set(

            server.id,

            server

        );


        console.log(
            "Server registriert:",
            server
        );


    }






    get(id:string){


        return this.servers.get(
            id
        );


    }







    getAll(){


        return Array.from(

            this.servers.values()

        );


    }







    update(server:ServerInfo){


        this.servers.set(

            server.id,

            server

        );


    }







    remove(id:string){


        this.servers.delete(
            id
        );


        console.log(
            "Server entfernt:",
            id
        );


    }








    list(){


        console.log(
            "\n=== SERVER ÜBERSICHT ==="
        );



        const servers =
            this.getAll();




        if(servers.length === 0){


            console.log(
                "Keine Server vorhanden"
            );


            return;

        }




        for(const server of servers){


            console.log({


                id:
                    server.id,


                name:
                    server.name,


                wrapper:
                    server.wrapperId,


                status:
                    server.status,


                port:
                    server.port,


                queryPort:
                    server.queryPort,


                players:
                    `${server.players}/${server.maxPlayers}`


            });


        }


    }


    syncWrapperStatus(data:any){

    if(!data.servers)
        return;



    const runningServerIds =
        new Set(
            data.servers.map(
                (srv:any)=>srv.id
            )
        );



    for(const server of this.servers.values()){


        if(
            server.wrapperId === data.wrapperId &&
            !runningServerIds.has(server.id)
        ){


            if(server.status === "STOPPING"){


                console.log(
                    "Server sauber beendet:",
                    server.name
                );


                this.remove(
                    server.id
                );


            }
            else if(server.status === "RUNNING"){


                server.status =
                    "CRASHED";


                this.servers.set(
                    server.id,
                    server
                );


                console.log(
                    "Server abgestürzt:",
                    server.name
                );


            }

        }


    }





    for(const srv of data.servers){
        const server =
            this.servers.get(
                srv.id
            );


        if(!server)
            continue;



        server.pid =
            srv.pid;

        server.players =
            srv.players ?? 0;


        server.maxPlayers =
            srv.maxPlayers ?? 0;


        server.lastSeen =
            Date.now();



        const oldStatus =
            server.status;



        if(srv.alive){

            server.status =
                "RUNNING";

        }
        else if(
            server.status === "RUNNING"
        ){

            server.status =
                "CRASHED";

        }



        if(oldStatus !== server.status){

            console.log(
                "Status Änderung:",
                server.name,
                oldStatus,
                "->",
                server.status
            );

        }



        this.servers.set(
            server.id,
            server
        );
    }



}


}