package de.wwwu.awolf.view.services;

import de.wwwu.awolf.presenter.Presenter;
import de.wwwu.awolf.presenter.data.DataHandler;
import javafx.concurrent.Service;
import javafx.concurrent.Task;

import java.io.File;

public class DataService extends Service<Boolean> {

    private File file;
    private DataHandler.DataType type;
    private DataHandler.ActionType actionType;
    private int n;

    public DataService(final DataHandler.ActionType actionType, final DataHandler.DataType type, final int n) {
        this.type = type;
        this.actionType = actionType;
        this.n = n;
    }

    public DataService(final DataHandler.ActionType actionType, final File file) {
        this.actionType = actionType;
        this.file = file;
        this.type = null;
        this.n = -1;
    }

    @Override
    protected Task<Boolean> createTask() {
        return new Task<>() {
            @Override
            protected Boolean call() throws Exception {
                switch (actionType) {
                    case EXPORT:
                        Presenter.getInstance().exportDataset(file);
                        break;
                    case IMPORT:
                        Presenter.getInstance().importDataset(file);
                        break;
                    case GENERATE:
                        Presenter.getInstance().generateDataset(n, type);
                        break;
                }

                return true;
            }
        };
    }
}