/*
 * Copyright 2010-2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 * 
 *  http://aws.amazon.com/apache2.0
 * 
 * or in the "license" file accompanying this file. This file 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.
 */

using System.IO;
using System.Xml;
using System.Text;
using Amazon.S3.Util;
using Amazon.Runtime;
using Amazon.Runtime.Internal;
using Amazon.Runtime.Internal.Transform;
using System.Globalization;
using Amazon.Util;

#pragma warning disable 1591

namespace Amazon.S3.Model.Internal.MarshallTransformations
{
    /// <summary>
    /// PutPublicAccessBlock Request Marshaller
    /// </summary>       
    public class PutPublicAccessBlockRequestMarshaller : IMarshaller<IRequest, PutPublicAccessBlockRequest>, IMarshaller<IRequest, Amazon.Runtime.AmazonWebServiceRequest>
    {
        public IRequest Marshall(Amazon.Runtime.AmazonWebServiceRequest input)
        {
            return this.Marshall((PutPublicAccessBlockRequest)input);
        }

        public IRequest Marshall(PutPublicAccessBlockRequest putPutPublicAccessBlockRequest)
        {
            IRequest request = new DefaultRequest(putPutPublicAccessBlockRequest, "AmazonS3");

            request.HttpMethod = "PUT";

            if (string.IsNullOrEmpty(putPutPublicAccessBlockRequest.BucketName))
                throw new System.ArgumentException("BucketName is a required property and must be set before making this call.", "putPutPublicAccessBlockRequest.BucketName");

			request.MarshallerVersion = 2;
			request.ResourcePath = string.Concat("/", S3Transforms.ToStringValue(putPutPublicAccessBlockRequest.BucketName));

            request.AddSubResource("publicAccessBlock");

            var stringWriter = new StringWriter(System.Globalization.CultureInfo.InvariantCulture);
            using (var xmlWriter = XmlWriter.Create(stringWriter, new XmlWriterSettings(){ Encoding = Encoding.UTF8, OmitXmlDeclaration = true }))
            {
                var publicAccessBlockConfiguration = putPutPublicAccessBlockRequest.PublicAccessBlockConfiguration;
                if (publicAccessBlockConfiguration != null)
                {
                    xmlWriter.WriteStartElement("PublicAccessBlockConfiguration", "http://s3.amazonaws.com/doc/2006-03-01/");                    
                    if (publicAccessBlockConfiguration.IsSetBlockPublicAcls())
                    {
                        xmlWriter.WriteElementString("BlockPublicAcls", "http://s3.amazonaws.com/doc/2006-03-01/", S3Transforms.ToXmlStringValue(publicAccessBlockConfiguration.BlockPublicAcls));
                    }
                    if (publicAccessBlockConfiguration.IsSetIgnorePublicAcls())
                    {
                        xmlWriter.WriteElementString("IgnorePublicAcls", "http://s3.amazonaws.com/doc/2006-03-01/", S3Transforms.ToXmlStringValue(publicAccessBlockConfiguration.IgnorePublicAcls));
                    }
                    if (publicAccessBlockConfiguration.IsSetBlockPublicPolicy())
                    {
                        xmlWriter.WriteElementString("BlockPublicPolicy", "http://s3.amazonaws.com/doc/2006-03-01/", S3Transforms.ToXmlStringValue(publicAccessBlockConfiguration.BlockPublicPolicy));
                    }
                    if (publicAccessBlockConfiguration.IsSetRestrictPublicBuckets())
                    {
                        xmlWriter.WriteElementString("RestrictPublicBuckets", "http://s3.amazonaws.com/doc/2006-03-01/", S3Transforms.ToXmlStringValue(publicAccessBlockConfiguration.RestrictPublicBuckets));
                    }
                    xmlWriter.WriteEndElement();
                }
            }
            try
            {
                var content = stringWriter.ToString();
                request.Content = Encoding.UTF8.GetBytes(content);
                request.Headers[HeaderKeys.ContentTypeHeader] = "application/xml";

                string checksum = AmazonS3Util.GenerateChecksumForContent(content, true);
                if (putPutPublicAccessBlockRequest.IsSetContentMD5())
                    checksum = putPutPublicAccessBlockRequest.ContentMD5;
                request.Headers[HeaderKeys.ContentMD5Header] = checksum;

            }
            catch (EncoderFallbackException e)
            {
                throw new AmazonServiceException("Unable to marshall request to XML", e);
            }
            
            return request;
        }

        private static PutPublicAccessBlockRequestMarshaller _instance;

        public static PutPublicAccessBlockRequestMarshaller Instance
        {
            get
            {
                if (_instance == null)
                {
                    _instance = new PutPublicAccessBlockRequestMarshaller();
                }
                return _instance;
            }
        }
    }
}