package Assignment6;

import com.sun.tools.javac.comp.Check;
import javafx.geometry.Insets;
import javafx.scene.control.Label;
import javafx.scene.control.CheckBox;
import javafx.scene.control.TextArea;
import javafx.scene.layout.*;
import javafx.event.ActionEvent;	//**Need to import
import javafx.event.EventHandler;	//**Need to import
import java.util.ArrayList;
import java.util.List;

import javafx.collections.ObservableList;
import javafx.scene.Node;

//import all other necessary javafx classes here
//----

public class SelectPane extends BorderPane
{

    //instance variables i needed
    private ArrayList<Club> clubList;
    private TilePane pane;
    private Label info,total;
    private int totalMembers;
    private List<CompareMethod> boxs = new ArrayList<>();
    private ArrayList<String> active = new ArrayList<>();

    //constructor
    public SelectPane(ArrayList<Club> list)
    {
        //initialize instance variables
        this.clubList = list;
        totalMembers = 0;
        this.info = new Label("Select Some Clubs");
        this.total = new Label("Total number of members is: " + totalMembers);
        this.pane = new TilePane();
        this.setTop(info);
        this.setLeft(pane);
        this.setBottom(total);
    } //end of constructor

    //This method uses the newly added parameter Club object
    //to create a CheckBox and add it to a pane created in the constructor
    //Such check box needs to be linked to its handler class
    public void updateClubList(Club newClub)
    {
        clubList.add(newClub);
        CheckBox box = new CheckBox(newClub.toString());
        SelectionHandler handle = new SelectionHandler();
        box.setOnAction(handle);
        boxs.add(new CompareMethod(box,newClub));
        box.setId(newClub.getClubName());
        pane.setPrefColumns(boxs.size());
        this.pane.getChildren().add(box);
        this.setLeft(pane);
    }

    //create a SelectionHandler class
    private class SelectionHandler implements EventHandler<ActionEvent>
    {
        //Override the abstact method handle()
        public void handle(ActionEvent event)
        {
            ObservableList<Node> list = pane.getChildren();
            for (int i = 0; i < list.size(); i++)
            {
                CheckBox box = (CheckBox)list.get(i);
                CompareMethod each = null;

                for (CompareMethod method : boxs) {
                    if (method.getBox().getId().equalsIgnoreCase(box.getId())) {
                        each = method;
                    }
                }
                    if (each == null)
                    {
                        continue;
                    }

                if (each.getBox().getId().equalsIgnoreCase(box.getId()))
                {
                    if (each.getBox().isSelected())
                    {
                        if (!(active.contains(each.getBox().getId())))
                        {
                            totalMembers += each.getClub().getNumberOfMembers();
                            active.add(each.getBox().getId());
                        } else {
                            continue;
                        }
                    } else {
                        if (active.contains(each.getBox().getId()))
                        {
                            totalMembers -= each.getClub().getNumberOfMembers();
                            active.remove(each.getBox().getId());
                        }
                    }
                }
            }
            total.setText("Total number of members is: " + totalMembers);

        }
    } //end of SelectHandler class


    //class to allow me to compare club to the checkbox to get amount of members
    private class CompareMethod
    {
        private CheckBox box;
        private Club club;

        public CompareMethod(CheckBox box, Club club)
        {
            this.box = box;
            this.club = club;
        }

        public CheckBox getBox()
        {
            return box;
        }

        public Club getClub()
        {
            return club;
        }

    }
} //end of SelectPane class