package seng302.Controllers;


import javafx.collections.ObservableList;
import javafx.fxml.FXML;
import javafx.scene.chart.LineChart;
import javafx.scene.chart.NumberAxis;
import javafx.scene.chart.XYChart;
import javafx.scene.control.*;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.layout.GridPane;
import seng302.Mock.StreamedRace;
import seng302.Model.*;
import seng302.VisualiserInput;


import java.awt.Color;
import java.net.URL;
import java.util.*;
import java.util.List;

/**
 * Created by fwy13 on 15/03/2017.
 */
public class RaceController extends Controller {
    @FXML GridPane canvasBase;

    //user saved data for annotation display
    private ArrayList<Boolean> presetAnno;
    private ArrayList<Boat> startBoats;
    private Integer sparkLineNumber = 0;
    private ResizableRaceCanvas raceMap;
    private ResizableRaceMap raceBoundaries;
    private ArrayList colours;
    @FXML SplitPane race;
    @FXML CheckBox showFPS;
    @FXML CheckBox showBoatPath;
    @FXML CheckBox showAnnotations;
    @FXML Label timer;
    @FXML Label FPS;
    @FXML Label timeZone;
    @FXML CheckBox showName;
    @FXML CheckBox showAbbrev;
    @FXML CheckBox showSpeed;
    @FXML Button saveAnno;
    @FXML Button showSetAnno;
    @FXML TableView<Boat> boatInfoTable;
    @FXML TableColumn<Boat, String> boatPlacingColumn;
    @FXML TableColumn<Boat, String> boatTeamColumn;
    @FXML TableColumn<Boat, String> boatMarkColumn;
    @FXML TableColumn<Boat, String> boatSpeedColumn;
    @FXML LineChart<Number, Number> sparklineChart;
    @FXML NumberAxis xAxis;
    @FXML NumberAxis yAxis;

    /**
     * Updates the ResizableRaceCanvas (raceMap) with most recent data
     *
     * @param boats boats that are to be displayed in the race
     * @param boatMarkers Markers for boats
     * @see ResizableRaceCanvas
     */
    public void updateMap(ObservableList<Boat> boats, ObservableList<Marker> boatMarkers) {
        raceMap.setBoats(boats);
        raceMap.setBoatMarkers(boatMarkers);
        raceMap.update();
        raceBoundaries.draw();
        //stop if the visualiser is no longer running
    }

    /**
     * Updates the array listened by the TableView (boatInfoTable) that displays the boat information.
     *
     * @param race Race to listen to.
     */
    public void setInfoTable(StreamedRace race) {
        //boatInfoTable.getItems().clear();
        ObservableList<Boat> startingBoats = race.getStartingBoats();
        boatInfoTable.setItems(race.getStartingBoats());
        boatTeamColumn.setCellValueFactory(cellData -> cellData.getValue().getName());
        boatSpeedColumn.setCellValueFactory(cellData -> cellData.getValue().getVelocityProp());
        boatMarkColumn.setCellValueFactory(cellData -> cellData.getValue().getCurrentLegName());
        boatPlacingColumn.setCellValueFactory(cellData -> cellData.getValue().positionProperty());
    }


    @Override
    public void initialize(URL location, ResourceBundle resources) {
        //createSparkLine();
        //listener for fps
        startBoats = new ArrayList<>();
        showFPS.selectedProperty().addListener((ov, old_val, new_val) -> {
            if (showFPS.isSelected()) {
                FPS.setVisible(true);
            } else {
                FPS.setVisible(false);
            }
        });
    }

    public void createSparkLine(ObservableList<Boat> boats){
        // TODO replace for loop with boatsInRace
        //int [] boats = {1, 2, 3, 4, 5, 6};
        // set a line for each boat
        makeColours();
        System.out.println(colours.get(0));
        for (Boat boat : boats){
            startBoats.add(boat);
        }
        for (int i=0; i<startBoats.size(); i++){
            XYChart.Series<Number, Number> series = new XYChart.Series();
            series.getData().add(new XYChart.Data(0, i+1));
            sparklineChart.getData().add(series);
        }

        // reverse Y axis order (0 at top) and set axis height/width
        // TODO change lower bound to boatsInRace + 1
        yAxis.setLowerBound(startBoats.size()+1);
        yAxis.setUpperBound(0);
        yAxis.setAutoRanging(false);
        xAxis.setAutoRanging(false);

        sparklineChart.setCreateSymbols(false);

        sparklineChart.setStyle(".default-color0.chart-series-line { -fx-stroke: #e9967a; }");

        // hide axis ticks and labels
        sparklineChart.getXAxis().setTickLabelsVisible(false);
        sparklineChart.getYAxis().setTickLabelsVisible(false);
        sparklineChart.getXAxis().setTickMarkVisible(false);
        sparklineChart.getYAxis().setTickMarkVisible(false);
        sparklineChart.getXAxis().
                lookup(".axis-minor-tick-mark").setVisible(false);
        sparklineChart.getYAxis().
                lookup(".axis-minor-tick-mark").setVisible(false);
    }

    /**
     * Initializes and runs the race, based on the user's chosen scale factor
     * Currently uses an example racecourse
     *
     * @param visualiserInput input from network
     * @param raceClock The RaceClock to use for the race's countdown/elapsed duration + timezone.
     */
    public void startRace(VisualiserInput visualiserInput, RaceClock raceClock) {
        StreamedRace newRace = new StreamedRace(visualiserInput, this);
        //newRace.initialiseBoats();

        raceMap = new ResizableRaceCanvas(visualiserInput.getCourse());
        raceMap.setMouseTransparent(true);
        raceMap.widthProperty().bind(canvasBase.widthProperty());
        raceMap.heightProperty().bind(canvasBase.heightProperty());
        //raceMap.setBoats(newRace.getStartingBoats());
        raceMap.draw();
        raceMap.setVisible(true);

        canvasBase.getChildren().add(0, raceMap);

        raceBoundaries = new ResizableRaceMap(visualiserInput.getCourse());
        raceBoundaries.setMouseTransparent(true);
        raceBoundaries.widthProperty().bind(canvasBase.widthProperty());
        raceBoundaries.heightProperty().bind(canvasBase.heightProperty());
        raceBoundaries.draw();
        raceBoundaries.setVisible(true);
        canvasBase.getChildren().add(0, raceBoundaries);

        race.setVisible(true);

        //Initialize save annotation array, fps listener, and annotation listeners
        timeZone.setText(raceClock.getTimeZone());
        timer.textProperty().bind(raceClock.durationProperty());
        initializeFPS();
        initializeAnnotations();

        new Thread((newRace)).start();
    }

    public void finishRace(ObservableList<Boat> boats){
        race.setVisible(false);
        parent.enterFinish(boats);
    }


    /**
     * Set the value for the race clock label
     *
     * @param time time that the label will be updated to
     */
    public void setTimer(String time) {
        //timer.setText(time);
    }

    /**
     * Set the value for the fps label
     *
     * @param fps fps that the label will be updated to
     */
    public void setFrames(String fps) {
        FPS.setText((fps));
    }

    /**
     * Set up FPS display at bottom of screen
     */
    private void initializeFPS() {
        showFPS.setVisible(true);
        showFPS.selectedProperty().addListener((ov, old_val, new_val) -> {
            if (showFPS.isSelected()) {
                FPS.setVisible(true);
            } else {
                FPS.setVisible(false);
            }
        });
    }

    public void updateSparkline(ObservableList<Boat> boatsInRace){
        // TODO replace for loops with correct boats - Done
        //int [] startingBoats = {1, 2, 3, 4, 5, 6};
        //int [] boatsInRace = {1, 2, 3, 4, 5, 6};
        int colourIndex = 0;
        int placingVal = boatsInRace.size();
        sparkLineNumber++;
        for (int i=0; i<boatsInRace.size(); i++){
            for (int j=0; j<startBoats.size(); j++){
                if (boatsInRace.get(i)==startBoats.get(j)){
                    sparklineChart.getData().get(j).getData().add(new XYChart.Data<>
                            (sparkLineNumber, placingVal));
                    sparklineChart.getData().get(j).getNode().setStyle("-fx-stroke: "+colours.get(colourIndex)+";");
                    colourIndex+=1;
                    placingVal-=1;
                }
            }
        }
        xAxis.setUpperBound(sparkLineNumber);
    }

    private void makeColours() {
        colours = new ArrayList<>(Arrays.asList(
                "#8A2BE2",
                "#000000",
                "#FF0000",
                "#FFA500",
                "#556B2F",
                "#32CD32",
                "#800080",
                "#A9A9A9",
                "#FFFF00"
        ));
    }

    /**
     * Set up boat annotations
     */
    private void initializeAnnotations() {
        presetAnno = new ArrayList<>();
        //listener for annotation
        showAnnotations.selectedProperty().addListener((ov, old_val, new_val) -> {
            raceMap.toggleAnnotations();
            raceMap.update();
        });
        //listener for show name in annotation
        showName.selectedProperty().addListener((ov, old_val, new_val) -> {
            raceMap.toggleAnnoName();
            raceMap.update();
        });
        //listener for show abbreviation for annotation
        showAbbrev.selectedProperty().addListener((ov, old_val, new_val) -> {
            raceMap.toggleAnnoAbbrev();
            raceMap.update();
        });

        //listener for show boat path for annotation
        showBoatPath.selectedProperty().addListener((ov, old_val, new_val) -> {
            raceMap.toggleBoatPath();
            raceMap.update();
        });
        //listener to show speed for annotation
        showSpeed.selectedProperty().addListener((ov, old_val, new_val) -> {
            raceMap.toggleAnnoSpeed();
            raceMap.update();
        });
        //listener to save currently selected annotation
        saveAnno.setOnAction(event -> {
            presetAnno.clear();
            presetAnno.add(showName.isSelected());
            presetAnno.add(showAbbrev.isSelected());
            presetAnno.add(showSpeed.isSelected());
            presetAnno.add(showBoatPath.isSelected());
        });
        //listener to show saved annotation
        showSetAnno.setOnAction(event -> {
            if (presetAnno.size() > 0) {
                showName.setSelected(presetAnno.get(0));
                showAbbrev.setSelected(presetAnno.get(1));
                showSpeed.setSelected(presetAnno.get(2));
                showBoatPath.setSelected(presetAnno.get(3));
                raceMap.update();
            }
        });
    }
}