/*
 * Copyright (C) 2017 The Android Open Source Project
 *
 * 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 android.net.lowpan;

import android.annotation.NonNull;
import android.annotation.Nullable;
import java.util.Map;

/**
 * Describes the information needed to describe a network
 *
 * @hide
 */
//@SystemApi
public class LowpanProvision {

    //////////////////////////////////////////////////////////////////////////
    // Builder

    /** @hide */
    //@SystemApi
    public static class Builder {
        private final LowpanProvision provision = new LowpanProvision();

        public Builder setLowpanIdentity(@NonNull LowpanIdentity identity) {
            provision.mIdentity = identity;
            return this;
        }

        public Builder setLowpanCredential(@NonNull LowpanCredential credential) {
            provision.mCredential = credential;
            return this;
        }

        public LowpanProvision build() {
            return provision;
        }
    }

    private LowpanProvision() {}

    //////////////////////////////////////////////////////////////////////////
    // Instance Variables

    private LowpanIdentity mIdentity = new LowpanIdentity();
    private LowpanCredential mCredential = null;

    //////////////////////////////////////////////////////////////////////////
    // Public Getters and Setters

    @NonNull
    public LowpanIdentity getLowpanIdentity() {
        return mIdentity;
    }

    @Nullable
    public LowpanCredential getLowpanCredential() {
        return mCredential;
    }

    //////////////////////////////////////////////////////////////////////////
    // LoWPAN-Internal Methods

    static void addToMap(Map<String, Object> parameters, LowpanProvision provision)
            throws LowpanException {
        provision.mIdentity.addToMap(parameters);
        if (provision.mCredential != null) {
            provision.mCredential.addToMap(parameters);
        }
    }

    void addToMap(Map<String, Object> parameters) throws LowpanException {
        addToMap(parameters, this);
    }

    @Override
    public String toString() {
        StringBuffer sb = new StringBuffer();

        sb.append("LowpanProvision { identity => ").append(mIdentity.toString());

        if (mCredential != null) {
            sb.append(", credential: ").append(mCredential.toString());
        }

        sb.append("}");

        return sb.toString();
    }
};
