import java.io.DataInputStream;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.io.InputStream;

import java.rmi.NotBoundException;

import java.rmi.RemoteException;

import java.rmi.registry.LocateRegistry;

import java.rmi.registry.Registry;

import java.util.Scanner;



public class Client {



    private String mancom;

    private String taskDir;

    private static int PortRMI;

    private static String HostRMI;



    private static boolean alreadyLoggedIn = false;



    public Client (String mancom,String taskDir){

        this.mancom = mancom;

        this.setTaskDir(taskDir);

    }



    public static void main(String args[]) throws FileNotFoundException{





        RemoteLoginInterface loginObject = null;

        RemoteGeneralUserInterface user = null;

        Registry registry;



        if((args.length != 2) ) {

            System.out.println("The arguments that you have entered is missing or invalid");

            System.out.println("Usage: <managementComponent> <taskDir>");

            System.exit(0);

        }



        Client client  = new Client(args[0],args[1]);



        client.readRegistryProperties();



        try {



            registry = LocateRegistry.getRegistry(HostRMI,PortRMI);

            loginObject = (RemoteLoginInterface) registry.lookup(client.getManagementComponent());



        } catch (RemoteException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        } catch (NotBoundException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }



        Scanner sc = new Scanner(System.in);



        try {



            while(sc.hasNext()){



                String[] befehl = sc.nextLine().split(" ");



                if(befehl[0].equals("!login")) {



                    if(alreadyLoggedIn){



                        System.out.println("You are already LoggedIn!");



                    }else{



                        String companyName = befehl[1]; // UVN

                        String companyPassword = befehl[2]; // 12345



                        user = loginObject.login(companyName,companyPassword);

                        alreadyLoggedIn = true;



                        System.out.print("Succesfully logged in. ");



                        if(user instanceof RemoteAdminInterface ){

                            System.out.println("Using admin mode.");

                        }else

                            System.out.println("Using company mode.");

                    }

                }else if(befehl[0].equals("!logout")){



                    if(!alreadyLoggedIn) {



                        System.out.println("You have to log in first.");



                    } else {



                        user.logout();

                        alreadyLoggedIn = false;

                        user = null;

                        System.out.println("Succesfully logged out.");

                    }



                }else if(befehl[0].equals("!exit")){



                    System.out.println("Exiting..");

                    System.exit(0);



                }else if(befehl[0].equals("!list")){



                    if(!alreadyLoggedIn){



                        System.out.println("You have to log in first.");



                    }else if(user instanceof RemoteAdminInterface){



                        System.out.println("Command not allowed. You are not a company.");



                    }else{



                        File file = new File(client.getTaskDir());

                        File[] listOfFiles = file.listFiles();



                        for (int i = 0; i < listOfFiles.length; i++)

                        {

                            if (listOfFiles[i].isFile())

                            {

                                System.out.println(listOfFiles[i].getName());

                            }

                        }

                    }

                }

            }

        } catch (RemoteException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        } catch (Exception e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }



    }





    private  String getManagementComponent() {



        return mancom;

    }



    private void setPortRMI(int PortRMI) {

        this.PortRMI = PortRMI;

    }



    private void setHostRMI(String HostRMI) {

        this.HostRMI = HostRMI;

    }



    public void readRegistryProperties() throws FileNotFoundException {



        InputStream is = new DataInputStream(new FileInputStream(new File("registry.properties")));

        if (is != null) {

            java.util.Properties props = new java.util.Properties();

            try {

                props.load(is);

                setPortRMI(Integer.valueOf(props.getProperty("registry.port")));



            } catch (IOException e) {

                try {

                    is.close();

                    System.exit(0);

                } catch (IOException e1) {

                    System.err.println("Error mit inputstream !!");



                }



            }

        }

    }



    public String getTaskDir() {

        return taskDir;

    }



    public void setTaskDir(String taskDir) {

        this.taskDir = taskDir;

    }