//   Copyright 2012 Georg-August-Universität Göttingen, Germany
//
//   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 de.ugoe.cs.autoquest.plugin.android.guimodel;

import java.util.List;

import de.ugoe.cs.autoquest.eventcore.guimodel.IGUIElementSpec;

/**
 * <p>
 * Implements the specification of {@link IGUIElement} for {@link ANDROIDGUIElement}s.
 * </p>
 * 
 * @version 1.0
 * @author Florian Unger
 */
public class ANDROIDGUIElementSpec implements IGUIElementSpec {

    /**
     * <p>
     * default serial version UID
     * </p>
     */
    private static final long serialVersionUID = 1L;

    /*
     * (non-Javadoc) see de.ugoe.cs.autoquest.androidmonitor.AndroidmonitorLogFile#logComponent()
     */
    /**
     * <p>
     * Hash code of the GUI element. Used as unique identifier during parsing a log file. Note that
     * it is possible that the hash code of an element changes over several log files even if they
     * come from the same target.
     * </p>
     */
    private int hashCode;

    /**
     * <p>
     * Path to an element in an activity. e.g. a path of a button could look like
     * MainActivity/DecorView/ActionBarOverlayLayout/FrameLayout/ RelativeLayout/Button
     * </p>
     */
    private String path;

    /**
     * <p>
     * id of the object as it is returned by view.getId()
     * </p>
     */
    private int index;

    /**
     * <p>
     * the type of GUI element represented by this specification, which is usually the java class of
     * the android GUI element
     * </p>
     */
    private String type;

    /**
     * <p>
     * Type hierarchy of the class itself
     * </p>
     */
    private List<String> typeHierarchy = null;

    /*
     * (non-Javadoc)
     * 
     * @see de.ugoe.cs.autoquest.eventcore.guimodel.IGUIElementSpec#getType()
     */
    @Override
    public String getType() {
        return type;
    }

    /*
     * (non-Javadoc)
     * 
     * @see de.ugoe.cs.autoquest.eventcore.guimodel.IGUIElementSpec#getTypeHierarchy ()
     */
    @Override
    public String[] getTypeHierarchy() {
        if (typeHierarchy == null) {
            return new String[]
                { (getType()) };
        }
        else
            return typeHierarchy.toArray(new String[typeHierarchy.size()]);
    }

    @Override
    public boolean getSimilarity(IGUIElementSpec other) {
        if (this == other) {
            return true;
        }

        if (!(other instanceof ANDROIDGUIElementSpec)) {
            return false;
        }

        // Check wheter view.id() keeps the same even if something in the
        // structure changes. The hash in the JFCMonitor seems to be unique at
        // all. In the Androidmonitore the hash of an element changes even from
        // one start of the activity to another.
        /*
         * Maybe some other comparisons will be necessary in the future.
         */

        return false;
    }

    /*
     * (non-Javadoc)
     * 
     * @see java.lang.Object#hashCode()
     */
    @Override
    public int hashCode() {
        return hashCode;
    }

    /**
     * <p>
     * Returns the path associated with the specified GUI element.
     * </p>
     * 
     * @return the path to an element
     */
    public String getPath() {
        return path;
    }

    public int getIndex() {
        return index;
    }

    public void setIndex(int index) {
        this.index = index;
    }

    /**
     * Set the hash code associated with the GUI element.
     * 
     * @param hash
     *            the hash of an element object
     */
    public void setHashCode(int hash) {
        this.hashCode = hash;
    }

    /**
     * Set the path associated with the specified GUI element.
     * 
     * @param path
     *            the path to an element
     */
    public void setPath(String path) {
        this.path = path;
    }

    /**
     * <p>
     * Sets the type of the specified GUI element.
     * </p>
     * 
     * @param type
     *            the type
     */
    public void setType(String type) {
        this.type = type;
    }

    /**
     * <p>
     * Sets the type hierarchy of the specified GUI element.
     * 
     * @param typeHierarchy
     *            </p>
     */
    public void setTypeHierarchy(List<String> typeHierarchy) {
        this.typeHierarchy = typeHierarchy;
    }

}