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/*
Copyright 2013-2014 SpruceHill.io GmbH

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 io.sprucehill.mandrill.service;

import com.fasterxml.jackson.core.type.TypeReference;
import io.sprucehill.mandrill.data.error.MessageError;
import io.sprucehill.mandrill.data.error.PreBuildError;
import io.sprucehill.mandrill.data.error.TemplateMessageError;
import io.sprucehill.mandrill.data.request.MessagePayload;
import io.sprucehill.mandrill.data.request.TemplateMessagePayload;
import io.sprucehill.mandrill.data.response.MessageResponse;

import java.io.IOException;
import java.util.List;

/**
 * @author Michael Duergner 
 */
public class MessageService extends AbstractService implements IMessageService {

    private String fromEmail;

    private String fromName;

    public void setFromEmail(String fromEmail) {
        this.fromEmail = fromEmail;
    }

    public void setFromName(String fromName) {
        this.fromName = fromName;
    }

    @Override
    public List sendMessage(MessagePayload payload) throws MessageError, IOException {
        try {
            List messageResponses = send(payload,new TypeReference>() {},MessageError.class);
            return messageResponses;
        }
        catch (MessageError e) {
            logger.warn("Got MessageError with code {}, name {} and message {} when sending message!",new Object[] {e.getCode().toString(),e.getName(),e.getMessage()});
            throw e;
        }
        catch (IOException e) {
            logger.error("Got IOException while sending message!");
            throw e;
        }
    }

    @Override
    public List sendMessage(MessagePayload.Builder payloadBuilder) throws PreBuildError, MessageError, IOException {
        integrateDefaultValues(payloadBuilder);
        return sendMessage(payloadBuilder.build());
    }

    @Override
    public List sendTemplateMessage(TemplateMessagePayload payload) throws TemplateMessageError, IOException {
        try {
            List messageResponses = send(payload,new TypeReference>() {},MessageError.class);
            return messageResponses;
        }
        catch (MessageError e) {
            logger.warn("Got MessageError with code {}, name {} and message {} when sending message!",new Object[] {e.getCode().toString(),e.getName(),e.getMessage()});
            throw e;
        }
        catch (IOException e) {
            logger.error("Got IOException while sending message!");
            throw e;
        }
    }

    public List sendTemplateMessage(TemplateMessagePayload.Builder payloadBuilder) throws PreBuildError, TemplateMessageError, IOException {
        integrateDefaultValues(payloadBuilder);
        return sendTemplateMessage(payloadBuilder.build());
    }

    , U extends MessagePayload> void integrateDefaultValues(MessagePayload.Init payloadBuilder) {
        super.integrateDefaultValues(payloadBuilder);
        if (!payloadBuilder.hasFromEmail() && null != fromEmail && !fromEmail.isEmpty()) {
            payloadBuilder.withFromEmail(fromEmail);
        }
        if (!payloadBuilder.hasFromName() && null != fromName && !fromName.isEmpty()) {
            payloadBuilder.withFromName(fromName);
        }
    }
}