/*
 * Jitsi, the OpenSource Java VoIP and Instant Messaging client.
 *
 * Copyright @ 2015 Atlassian Pty Ltd
 *
 * 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 net.java.sip.communicator.service.protocol;

import java.io.*;
import java.util.*;

import org.jitsi.service.neomedia.*;
import org.jitsi.service.neomedia.codec.*;

/**
 * An interface to get/set settings in the encodings panel.
 *
 * @author Boris Grozev
 * @author Pawel Domas
 */
public class EncodingsRegistrationUtil
    implements Serializable
{
    /**
     *  Whether to override global encoding settings.
     */
    private boolean overrideEncodingSettings = false;

    /**
     * Encoding properties associated with this account.
     */
    private Map<String, String> encodingProperties
            = new HashMap<String, String>();

    /**
     * Get the stored encoding properties
     *
     * @return The stored encoding properties.
     */
    public Map<String, String> getEncodingProperties()
    {
        return encodingProperties;
    }

    /**
     * Set the encoding properties
     *
     * @param encodingProperties The encoding properties to set.
     */
    public void setEncodingProperties(Map<String, String> encodingProperties)
    {
        this.encodingProperties = encodingProperties;
    }

    /**
     * Whether override encodings is enabled
     *
     * @return Whether override encodings is enabled
     */
    public boolean isOverrideEncodings()
    {
        return overrideEncodingSettings;
    }

    /**
     * Set the override encodings setting to <tt>override</tt>
     *
     * @param override The value to set the override encoding settings to.
     */
    public void setOverrideEncodings(boolean override)
    {
        this.overrideEncodingSettings = override;
    }

    /**
     * Loads encoding properties from given <tt>accountID</tt> into this
     * encodings registration object.
     * @param accountID the <tt>AccountID</tt> to be loaded.
     * @param mediaService the <tt>MediaService</tt> that will be used to create
     * <tt>EncodingConfiguration</tt>.
     */
    public void loadAccount(AccountID accountID, MediaService mediaService)
    {
        String overrideEncodings = accountID.getAccountPropertyString(
                ProtocolProviderFactory.OVERRIDE_ENCODINGS);
        boolean isOverrideEncodings = Boolean.parseBoolean(overrideEncodings);
        setOverrideEncodings(isOverrideEncodings);

        Map<String, String> encodingProperties = new HashMap<String, String>();
        EncodingConfiguration encodingConfiguration =
                mediaService.createEmptyEncodingConfiguration();
        encodingConfiguration
                .loadProperties(
                        accountID.getAccountProperties(),
                        ProtocolProviderFactory.ENCODING_PROP_PREFIX);
        encodingConfiguration
                .storeProperties(
                        encodingProperties,
                        ProtocolProviderFactory.ENCODING_PROP_PREFIX + ".");
        setEncodingProperties(encodingProperties);
    }

    /**
     * Stores encoding configuration properties in given <tt>propertiesMap</tt>.
     * @param propertiesMap the properties map that will be used.
     */
    public void storeProperties(Map<String, String> propertiesMap)
    {
        propertiesMap.put(
                ProtocolProviderFactory.OVERRIDE_ENCODINGS,
                Boolean.toString(isOverrideEncodings()));

        propertiesMap.putAll(getEncodingProperties());
    }

    /**
     * Creates new instance of <tt>EncodingConfiguration</tt> reflecting this
     * object's encoding configuration state.
     * @param mediaService the <tt>MediaService</tt> that will be used to create
     * new instance of <tt>EncodingConfiguration</tt>.
     * @return <tt>EncodingConfiguration</tt> reflecting this object's encoding
     * configuration state.
     */
    public EncodingConfiguration createEncodingConfig(MediaService mediaService)
    {
        EncodingConfiguration encodingConfiguration =
                mediaService.createEmptyEncodingConfiguration();

        encodingConfiguration
                .loadProperties(
                        encodingProperties,
                        ProtocolProviderFactory.ENCODING_PROP_PREFIX + ".");

        return encodingConfiguration;
    }
}