package xyz.veronie.bgg.ui.handlers;

import org.eclipse.e4.core.di.annotations.Execute;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.swt.widgets.Shell;

import xyz.veronie.bgg.result.BggApi;
import xyz.veronie.bgg.result.Thing;
import xyz.veronie.bgg.result.ThingProvider;
import xyz.veronie.bgg.ui.helpers.Resources;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import javax.inject.Inject;

import org.eclipse.e4.core.di.annotations.CanExecute;

public class ExportResultHandler {
	
	private static final String RESULT_TXT = "result.txt";

	@Inject
	ThingProvider thingProvider;
	
	@Execute
	public void execute(Shell shell, BggApi bggApi) {
		thingProvider.fetchDetails();
		
		String exportString = thingProvider.toResultString();
		String resultFilePath = Resources.INSTANCE.getTmpDir() + File.separator + RESULT_TXT;
		try {
			BufferedWriter writer = new BufferedWriter(new FileWriter(resultFilePath));			
			writer.write(exportString);
			writer.close();
		} 
		catch (IOException e) {
			MessageBox msgBox = new MessageBox(shell, SWT.ICON_ERROR | SWT.OK);
			msgBox.setMessage("Could not write tmp file '" + resultFilePath + "'.");
			msgBox.open();
			e.printStackTrace();
		}
	}
	
	@CanExecute
	public boolean canExecute() {
		return thingProvider != null;
	}
		
}