package seng302.controllers;

import java.io.IOException;
import java.net.URL;
import java.util.ResourceBundle;
import javafx.fxml.FXML;
import javafx.fxml.FXMLLoader;
import javafx.fxml.Initializable;
import javafx.scene.Parent;
import javafx.scene.input.KeyEvent;
import javafx.scene.layout.AnchorPane;
import seng302.client.ClientPacketParser;
import seng302.client.ClientState;
import seng302.client.ClientToServerThread;
import seng302.server.messages.BoatActionMessage;
import seng302.server.messages.BoatActionType;

public class Controller implements Initializable {

    @FXML
    private AnchorPane contentPane;
    private ClientToServerThread clientToServerThread;
    private long lastSendingTime;
    private int KEY_STROKE_SENDING_FREQUENCY = 50;

    public Object setContentPane(String jfxUrl) {
        try {
            contentPane.getChildren().removeAll();
            contentPane.getChildren().clear();
            contentPane.getStylesheets().add(getClass().getResource("/css/master.css").toString());
            FXMLLoader fxmlLoader = new FXMLLoader((getClass().getResource(jfxUrl)));
            Parent view = fxmlLoader.load();
            contentPane.getChildren().addAll(view);
            return fxmlLoader.getController();
        } catch (javafx.fxml.LoadException e) {
            System.err.println(e.getCause());
        } catch (IOException e) {
            System.err.println(e);
        }
        return null;
    }

    @Override
    public void initialize(URL location, ResourceBundle resources) {
        setUpStartScreen();
        lastSendingTime = System.currentTimeMillis();
    }

    void setUpStartScreen() {
        contentPane.getChildren().removeAll();
        contentPane.getChildren().clear();
        contentPane.getStylesheets().add(getClass().getResource("/css/master.css").toString());
        StartScreenController startScreenController = (StartScreenController) setContentPane("/views/StartScreenView.fxml");
        startScreenController.setController(this);
        ClientPacketParser.boatLocations.clear();
    }


    /** Handle the key-pressed event from the text field. */
    public void keyPressed(KeyEvent e) {
        BoatActionMessage boatActionMessage;
        long currentTime = System.currentTimeMillis();
        if (currentTime - lastSendingTime > KEY_STROKE_SENDING_FREQUENCY && ClientState.isRaceStarted()) {
            lastSendingTime = currentTime;
            switch (e.getCode()) {
                case SPACE: // align with vmg
                    boatActionMessage = new BoatActionMessage(BoatActionType.VMG);
                    clientToServerThread.sendBoatActionMessage(boatActionMessage);
                    break;
                case PAGE_UP: // upwind
                    boatActionMessage = new BoatActionMessage(BoatActionType.UPWIND);
                    clientToServerThread.sendBoatActionMessage(boatActionMessage);
                    break;
                case PAGE_DOWN: // downwind
                    boatActionMessage = new BoatActionMessage(BoatActionType.DOWNWIND);
                    clientToServerThread.sendBoatActionMessage(boatActionMessage);
                    break;
                case ENTER: // tack/gybe
                    boatActionMessage = new BoatActionMessage(BoatActionType.TACK_GYBE);
                    clientToServerThread.sendBoatActionMessage(boatActionMessage);
                    break;
                //TODO Allow a zoom in and zoom out methods
                case Z:  // zoom in
                    System.out.println("Zoom in");
                    break;
                case X:  // zoom out
                    System.out.println("Zoom out");
                    break;
            }
        }
    }

    public void keyReleased(KeyEvent e) {
        switch (e.getCode()) {
            //TODO 12/07/17 Determine the sail state and send the appropriate packet (eg. if sails are in, send a sail out packet)
            case SHIFT:  // sails in/sails out
                BoatActionMessage boatActionMessage = new BoatActionMessage(BoatActionType.SAILS_IN);
                clientToServerThread.sendBoatActionMessage(boatActionMessage);
                break;
        }
    }

    public void setClientToServerThread(ClientToServerThread ctt) {
        clientToServerThread = ctt;
    }
}