package de.tudarmstadt.informatik.hostage.sync;

/**
 * Created by Julien on 08.12.2014.
 */

import java.net.ServerSocket;
import java.util.ArrayList;
import java.util.List;

import de.tudarmstadt.informatik.hostage.logging.NetworkRecord;
import de.tudarmstadt.informatik.hostage.logging.SyncDevice;
import de.tudarmstadt.informatik.hostage.logging.SyncRecord;
import de.tudarmstadt.informatik.hostage.persistence.HostageDBOpenHelper;
import de.tudarmstadt.informatik.hostage.system.Device;


public class Synchronizer {

    private HostageDBOpenHelper  dbh;

    public Synchronizer(HostageDBOpenHelper dbh){
        super();
        this.dbh = dbh;
    }

    public void pullNetworks(ServerSocket serverSocket){
        ArrayList<String> myNetworks = this.dbh.getAllBSSIDS();

        ArrayList<NetworkRecord> others = this.getOtherNetworkInformation(serverSocket, myNetworks);
        if (others != null && others.size() > 0){
            this.dbh.updateNetworkInformation(others);
        }
    }

    public void pullNewDevices(ServerSocket serverSocket){
        ArrayList<String> myDevices = this.dbh.getAllDevicesIds();
        ArrayList<String> otherDeviceIds = this.getOtherDevies(serverSocket, myDevices);

        ArrayList<SyncDevice> otherDevices = new ArrayList<SyncDevice>();

        for (String deviceId : otherDeviceIds){
            SyncDevice device = new SyncDevice();
            device.setDeviceID(deviceId);
            device.setHighest_attack_id(-1);
            device.setLast_sync_timestamp(0);
            otherDevices.add(device);
        }

        if (otherDevices != null && otherDevices.size() > 0)
            this.dbh.updateSyncDevices(otherDevices);

    }

    public void pullAttacks(ServerSocket serverSocket){
        ArrayList<SyncDevice> myState = this.dbh.getSyncDevices();

        ArrayList<SyncRecord> updates = this.getChanges(serverSocket, myState);

        if (updates != null && updates.size() > 0)
            this.dbh.insertSyncRecords(updates);
    }

    public void pushNetworkInformation(ServerSocket serverSocket){

        ArrayList<String> otherIDs = null;


        if (otherIDs != null){
            ArrayList<String> missingIds = this.dbh.getMissingDeviceIds(otherIDs);
            this.sendMissingDeviceIds(serverSocket, missingIds);
        }
    }

    public void pushUnsyncedRecords(ServerSocket serverSocket){

        ArrayList<SyncDevice> otherDeviceState = null;

        if (otherDeviceState != null){
            ArrayList<SyncRecord> unsynced = this.dbh.getUnsyncedAttacksFor(otherDeviceState, false);
            this.sendUnsyncedRecords(serverSocket, unsynced);
        }
    }

    public void pushDeviceIds(ServerSocket serverSocket){
        ArrayList<String> otherBSSIDs = null;


        if (otherBSSIDs != null){
            ArrayList<NetworkRecord> missings = this.dbh.getMissingNetworkRecords(otherBSSIDs);
            this.sendMissingNetworkRecords(serverSocket, missings);
        }
    }

    private ArrayList<String> getOtherDevies(ServerSocket serverSocket, ArrayList<String> ownDevices){

        return null;
    }

    private ArrayList<NetworkRecord> getOtherNetworkInformation(ServerSocket serverSocket, List<String> records){

        return null;
    }

    private ArrayList<SyncRecord> getChanges(ServerSocket serverSocket, ArrayList<SyncDevice> ownState){

        return null;
    }


    private void sendMissingNetworkRecords(ServerSocket serverSocket, ArrayList<NetworkRecord> m){

    }

    private void sendMissingDeviceIds(ServerSocket serverSocket, ArrayList<String> missingIds){

    }

    private void sendUnsyncedRecords(ServerSocket serverSocket, ArrayList<SyncRecord> unsynced){

    }


}