package org.simantics.district.network.ui.techtype.table;

import java.util.Set;

import javax.inject.Named;

import org.eclipse.e4.core.di.annotations.CanExecute;
import org.eclipse.e4.core.di.annotations.Execute;
import org.eclipse.e4.ui.services.IServiceConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.swt.widgets.Shell;
import org.simantics.db.Resource;
import org.simantics.db.exception.DatabaseException;
import org.simantics.district.network.techtype.TechTypeValidationUtils;
import org.simantics.utils.ui.ExceptionUtils;

public class ValidateTechTypeTableHandler {
	@CanExecute
	public boolean canExecute() {
		return TechTypeTableView.table != null &&
				TechTypeTableView.table.getCurrentTable() != null &&
				TechTypeTableView.table.getComponentType() != null;
	}
	
	@Execute
	public void execute(@Named(IServiceConstants.ACTIVE_SHELL) Shell s) {
		Resource table = TechTypeTableView.table.getCurrentTable();
		if (table == null)
			return;
		
		Set<String> result;
		try {
			result = TechTypeValidationUtils.validateTechTypeTable(table);
		} catch (DatabaseException e) {
			ExceptionUtils.logAndShowError("Tech type table validation failed", e);
			return;
		}
		
		TechTypeTableView.table.setValidationResult(result);
		
		MessageDialog.openInformation(s, "Validation result", result.isEmpty() ?
				"No invalid values found" : result.size() + " invalid values found");
	}
}