/*
 * DBeaver - Universal Database Manager
 * Copyright (C) 2010-2017 Serge Rider (serge@jkiss.org)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.jkiss.dbeaver.registry;

import org.eclipse.core.runtime.IConfigurationElement;
import org.jkiss.dbeaver.core.DBeaverCore;
import org.jkiss.dbeaver.model.DBPObject;
import org.jkiss.dbeaver.model.DBUtils;
import org.jkiss.dbeaver.model.impl.AbstractDescriptor;

import java.util.ArrayList;
import java.util.List;

/**
 * ToolDescriptor
 */
public abstract class AbstractContextDescriptor extends AbstractDescriptor
{
    private static final String OBJECT_TYPE = "objectType";

    private List<ObjectType> objectTypes = new ArrayList<>();

    public AbstractContextDescriptor(IConfigurationElement config)
    {
        super(config == null ? DBeaverCore.PLUGIN_ID : config.getContributor().getName());
        if (config != null) {
            String objectType = config.getAttribute(OBJECT_TYPE);
            if (objectType != null) {
                objectTypes.add(new ObjectType(objectType));
            }
            for (IConfigurationElement typeCfg : config.getChildren(OBJECT_TYPE)) {
                objectTypes.add(new ObjectType(typeCfg));
            }
        }
    }

    public boolean hasObjectTypes() {
        return !objectTypes.isEmpty();
    }

    public boolean appliesTo(DBPObject object)
    {
        return appliesTo(object, null);
    }

    public boolean appliesTo(DBPObject object, Object context)
    {
        object = DBUtils.getPublicObject(object);
        if (object == null) {
            return false;
        }
        Object adapted = adaptType(object);
        for (ObjectType objectType : objectTypes) {
            if (objectType.appliesTo(object, context) || (adapted != null && objectType.appliesTo(adapted, context))) {
                return true;
            }
        }
        return false;
    }

    protected Object adaptType(DBPObject object)
    {
        return null;
    }
}