package de.wwwu.awolf.view.controller;

import de.wwwu.awolf.model.Line;
import de.wwwu.awolf.model.LineModel;
import de.wwwu.awolf.presenter.algorithms.Algorithm;
import de.wwwu.awolf.view.services.ButtonClickService;
import javafx.beans.property.BooleanProperty;
import javafx.fxml.FXML;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.chart.LineChart;
import javafx.scene.chart.XYChart;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import javafx.scene.layout.BorderPane;
import javafx.scene.layout.VBox;

import java.util.Map;

public class AlgorithmTabController {

    private final XYChart.Series<Double, Double> dataSerie;
    private final XYChart.Series<Double, Double> lineSerie;
    private Algorithm.Type algorithmType;
    private Map<String, String> properties;
    private LineModel model;

    @FXML
    public LineChart<Double, Double> chart;
    @FXML
    public VBox vBox;
    @FXML
    public Button startButton;

    public AlgorithmTabController() {
        dataSerie = new XYChart.Series<>();
        dataSerie.setName("Datapoints");
        lineSerie = new XYChart.Series<>();
        lineSerie.setName("Estimated Line");
    }

    public LineModel getModel() {
        return model;
    }

    public void setModel(LineModel model) {
        this.model = model;
    }

    public void init() {
        // add GUI elements to maintain the parameters
        properties.forEach((key, value) -> {
            //Pane component for the layout
            BorderPane borderPane = new BorderPane();
            borderPane.setPadding(new Insets(10, 0, 10, 0));

            //text field for the input
            TextField textField = new TextField(value);

            //label
            Label label = new Label(key);
            label.setAlignment(Pos.BASELINE_LEFT);
            label.setLabelFor(textField);
            label.setPadding(new Insets(2, 10, 0, 0));

            //add components
            borderPane.setLeft(label);
            borderPane.setRight(textField);
            vBox.getChildren().add(borderPane);
        });

        BooleanProperty booleanProperty = startButton.disableProperty();
        startButton.setOnAction(event -> {
                    ButtonClickService buttonClickService = new ButtonClickService(algorithmType, booleanProperty);
                    buttonClickService.start();
                }
        );

        updatePlot(this.model, null);
        chart.getData().add(dataSerie);
        chart.getData().add(lineSerie);
    }

    public void updatePlot(final LineModel model, final Line pLine) {
        dataSerie.getData().clear();
        model.getLines().forEach(line -> dataSerie.getData().add(new XYChart.Data<>(line.getM(), line.getB())));

        if (pLine != null) {
            lineSerie.getData().clear();
            Double x1 = pLine.calculateX1(model.getMIN());
            Double y1 = pLine.calculateY1(model.getMIN());
            Double x2 = pLine.calculateX2(model.getMAX());
            Double y2 = pLine.calculateY2(model.getMAX());

            lineSerie.getData().add(new XYChart.Data<>(x1, y1));
            lineSerie.getData().add(new XYChart.Data<>(x2, y2));
        }
    }

    public Algorithm.Type getAlgorithmType() {
        return algorithmType;
    }

    public void setAlgorithmType(Algorithm.Type algorithmType) {
        this.algorithmType = algorithmType;
    }

    public Map<String, String> getProperties() {
        return properties;
    }

    public void setProperties(Map<String, String> properties) {
        this.properties = properties;
    }


}