using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Amazon.CloudFront;
using Amazon.CloudFront.Model;
using System.Collections.Specialized;
using System.Configuration;

// Require AWS SDK for .NET http://aws.amazon.com/sdkfornet/

namespace AWS_Test
{
    class Program
    {
        static string accessKeyID = "Your AccessKey ID";
        static string secretAccessKeyID = "Your SecretAccessKey ID";
        static AmazonCloudFront cfClient = null;

        static void Main(string[] args)
        {

            using (cfClient = Amazon.AWSClientFactory.CreateAmazonCloudFrontClient(accessKeyID, secretAccessKeyID))
            {
                Console.WriteLine("Create CloudFront Origin Access Identity");
                CreateCloudFrontOAI();

                Console.WriteLine("Get CloudFront Origin Access Identity");
                GetCloudFrontOAI();

                Console.WriteLine("Put CloudFront Origin Access Identity");
                SetCloudFrontOAI();

                Console.WriteLine("Delete CloudFront Origin Access Identity");
                DeleteCloudFrontOAI();

                Console.WriteLine("List CloudFront Origin Access Identity");
                ListCloudFrontOAI();

                Console.WriteLine("Finish");
            }

            Console.WriteLine("Press any key to continue...");
            Console.Read();
        }

        /// <summary>
        /// POST Origin Access Identity
        /// http://docs.amazonwebservices.com/AmazonCloudFront/latest/APIReference/index.html?CreateOAI.html
        /// </summary>
        static void CreateCloudFrontOAI()
        {
            try
            {
                CloudFrontOriginAccessIdentityConfig config = new CloudFrontOriginAccessIdentityConfig();
                config.Comment = "YOUR COMMENT";

                CreateOriginAccessIdentityRequest req = new CreateOriginAccessIdentityRequest();
                req.OriginAccessIdentityConfig = config;

                var res = cfClient.CreateOriginAccessIdentity(req);

                CloudFrontOriginAccessIdentity id = res.OriginAccessIdentity;
                String xml = res.XML;
                
                Console.WriteLine("OAI id:" + id.Id);
                Console.WriteLine("OAI S3CanonicalUserId:" + id.S3CanonicalUserId);
                Console.WriteLine(xml);
            }
            catch (AmazonCloudFrontException cfEx)
            {
                Console.WriteLine("An Error, number {0}, occurred when create cloud distribution with the message '{1}", cfEx.ErrorCode, cfEx.Message);
            }
            catch (Exception ex)
            {
                Console.WriteLine("UnknownError:{0}", ex.Message);
            }
        }

        /// <summary>
        /// GET Origin Access Identity
        /// http://docs.amazonwebservices.com/AmazonCloudFront/latest/APIReference/index.html?GetOAI.html
        /// </summary>
        static void GetCloudFrontOAI()
        {
            try
            {
                GetOriginAccessIdentityInfoRequest request = new GetOriginAccessIdentityInfoRequest();
                request.Id = "ORIGIN_ACCESS_IDENTITY_ID";

                GetOriginAccessIdentityInfoResponse response = cfClient.GetOriginAccessIdentityInfo(request);

                String xml = response.XML;
                Console.WriteLine(xml);

                Console.WriteLine("Etag: " + response.Headers["Etag"]);
            }
            catch (AmazonCloudFrontException cfEx)
            {
                Console.WriteLine("An Error, number {0}, occurred when create cloud distribution with the message '{1}", cfEx.ErrorCode, cfEx.Message);
            }
            catch (Exception ex)
            {
                Console.WriteLine("UnknownError:{0}", ex.Message);
            }
        }

        /// <summary>
        /// PUT Origin Access Identity Config
        /// http://docs.amazonwebservices.com/AmazonCloudFront/latest/APIReference/index.html?PutOAIConfig.html
        /// </summary>
        static void SetCloudFrontOAI()
        {
            try
            {
                CloudFrontOriginAccessIdentityConfig config = new CloudFrontOriginAccessIdentityConfig();
                config.Comment = "Change commnet. at " + DateTime.Now.ToString(); // set new comment
                config.CallerReference = "CALLER REFERENCE"; // set original caller reference

                SetOriginAccessIdentityConfigRequest request = new SetOriginAccessIdentityConfigRequest();
                request.Id = "ORIGIN_ACCESS_IDENTITY_ID";
                request.ETag = "Etag Value"; // The value of the ETag header you received from a previous GET or PUT request.
                request.OriginAccessIdentityConfig = config;

                SetOriginAccessIdentityConfigResponse response = cfClient.SetOriginAccessIdentityConfig(request);

                String xml = response.XML;
                Console.WriteLine(xml);

                Console.WriteLine("Etag: " + response.Headers["Etag"]);
            }
            catch (AmazonCloudFrontException cfEx)
            {
                Console.WriteLine("An Error, number {0}, occurred when create cloud distribution with the message '{1}", cfEx.ErrorCode, cfEx.Message);
            }
            catch (Exception ex)
            {
                Console.WriteLine("UnknownError:{0}", ex.Message);
            }
        }

        /// <summary>
        /// DELETE Origin Access Identity
        /// http://docs.amazonwebservices.com/AmazonCloudFront/latest/APIReference/index.html?DeleteOAI.html
        /// </summary>
        static void DeleteCloudFrontOAI()
        {
            try
            {
                DeleteOriginAccessIdentityRequest request = new DeleteOriginAccessIdentityRequest();
                request.Id = "ORIGIN_ACCESS_IDENTITY_ID";
                request.ETag = "ETag Value"; // The value of the ETag header you received from a previous GET or PUT request.

                DeleteOriginAccessIdentityResponse response = cfClient.DeleteOriginAccessIdentity(request);

                String xml = response.XML;
                Console.WriteLine(xml);
            }
            catch (AmazonCloudFrontException cfEx)
            {
                Console.WriteLine("An Error, number {0}, occurred when create cloud distribution with the message '{1}", cfEx.ErrorCode, cfEx.Message);
            }
            catch (Exception ex)
            {
                Console.WriteLine("UnknownError:{0}", ex.Message);
            }
        }

        /// <summary>
        /// GET Origin Access Identity List
        /// http://docs.amazonwebservices.com/AmazonCloudFront/latest/APIReference/index.html?ListOAIs.html
        /// </summary>
        static void ListCloudFrontOAI()
        {
            try
            {
                ListOriginAccessIdentitiesResponse response = cfClient.ListOriginAccessIdentities();

                String xml = response.XML;
                Console.WriteLine(xml);
            }
            catch (AmazonCloudFrontException cfEx)
            {
                Console.WriteLine("An Error, number {0}, occurred when create cloud distribution with the message '{1}", cfEx.ErrorCode, cfEx.Message);
            }
            catch (Exception ex)
            {
                Console.WriteLine("UnknownError:{0}", ex.Message);
            }
        }

    }

}