/*******************************************************************************
 *  Copyright 2012-2019 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.
 * *****************************************************************************
 *
 *  AWS Tools for Windows (TM) PowerShell (TM)
 *
 */

using System;
using System.Collections.Generic;
using System.Linq;
using System.Management.Automation;
using System.Text;
using Amazon.PowerShell.Common;
using Amazon.Runtime;
using Amazon.ECRPublic;
using Amazon.ECRPublic.Model;

namespace Amazon.PowerShell.Cmdlets.ECRP
{
    /// <summary>
    /// Returns metadata that's related to the images in a repository in a public registry.
    /// 
    ///  <note><para>
    /// Beginning with Docker version 1.9, the Docker client compresses image layers before
    /// pushing them to a V2 Docker registry. The output of the <code>docker images</code>
    /// command shows the uncompressed image size. Therefore, it might return a larger image
    /// size than the image sizes that are returned by <a>DescribeImages</a>.
    /// </para></note>
    /// </summary>
    [Cmdlet("Get", "ECRPImage")]
    [OutputType("Amazon.ECRPublic.Model.ImageDetail")]
    [AWSCmdlet("Calls the Amazon Elastic Container Registry Public DescribeImages API operation.", Operation = new[] {"DescribeImages"}, SelectReturnType = typeof(Amazon.ECRPublic.Model.DescribeImagesResponse))]
    [AWSCmdletOutput("Amazon.ECRPublic.Model.ImageDetail or Amazon.ECRPublic.Model.DescribeImagesResponse",
        "This cmdlet returns a collection of Amazon.ECRPublic.Model.ImageDetail objects.",
        "The service call response (type Amazon.ECRPublic.Model.DescribeImagesResponse) can also be referenced from properties attached to the cmdlet entry in the $AWSHistory stack."
    )]
    public partial class GetECRPImageCmdlet : AmazonECRPublicClientCmdlet, IExecutor
    {
        
        #region Parameter ImageId
        /// <summary>
        /// <para>
        /// <para>The list of image IDs for the requested repository.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        [Alias("ImageIds")]
        public Amazon.ECRPublic.Model.ImageIdentifier[] ImageId { get; set; }
        #endregion
        
        #region Parameter RegistryId
        /// <summary>
        /// <para>
        /// <para>The Amazon Web Services account ID that's associated with the public registry that
        /// contains the repository where images are described. If you do not specify a registry,
        /// the default public registry is assumed.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public System.String RegistryId { get; set; }
        #endregion
        
        #region Parameter RepositoryName
        /// <summary>
        /// <para>
        /// <para>The repository that contains the images to describe.</para>
        /// </para>
        /// </summary>
        #if !MODULAR
        [System.Management.Automation.Parameter(Position = 0, ValueFromPipelineByPropertyName = true, ValueFromPipeline = true)]
        #else
        [System.Management.Automation.Parameter(Position = 0, ValueFromPipelineByPropertyName = true, ValueFromPipeline = true, Mandatory = true)]
        [System.Management.Automation.AllowEmptyString]
        [System.Management.Automation.AllowNull]
        #endif
        [Amazon.PowerShell.Common.AWSRequiredParameter]
        public System.String RepositoryName { get; set; }
        #endregion
        
        #region Parameter MaxResult
        /// <summary>
        /// <para>
        /// <para>The maximum number of repository results that's returned by <code>DescribeImages</code>
        /// in paginated output. When this parameter is used, <code>DescribeImages</code> only
        /// returns <code>maxResults</code> results in a single page along with a <code>nextToken</code>
        /// response element. You can see the remaining results of the initial request by sending
        /// another <code>DescribeImages</code> request with the returned <code>nextToken</code>
        /// value. This value can be between 1 and 1000. If this parameter isn't used, then <code>DescribeImages</code>
        /// returns up to 100 results and a <code>nextToken</code> value, if applicable. If you
        /// specify images with <code>imageIds</code>, you can't use this option.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        [Alias("MaxResults")]
        public System.Int32? MaxResult { get; set; }
        #endregion
        
        #region Parameter NextToken
        /// <summary>
        /// <para>
        /// <para>The <code>nextToken</code> value that's returned from a previous paginated <code>DescribeImages</code>
        /// request where <code>maxResults</code> was used and the results exceeded the value
        /// of that parameter. Pagination continues from the end of the previous results that
        /// returned the <code>nextToken</code> value. If there are no more results to return,
        /// this value is <code>null</code>. If you specify images with <code>imageIds</code>,
        /// you can't use this option.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public System.String NextToken { get; set; }
        #endregion
        
        #region Parameter Select
        /// <summary>
        /// Use the -Select parameter to control the cmdlet output. The default value is 'ImageDetails'.
        /// Specifying -Select '*' will result in the cmdlet returning the whole service response (Amazon.ECRPublic.Model.DescribeImagesResponse).
        /// Specifying the name of a property of type Amazon.ECRPublic.Model.DescribeImagesResponse will result in that property being returned.
        /// Specifying -Select '^ParameterName' will result in the cmdlet returning the selected cmdlet parameter value.
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public string Select { get; set; } = "ImageDetails";
        #endregion
        
        #region Parameter PassThru
        /// <summary>
        /// Changes the cmdlet behavior to return the value passed to the RepositoryName parameter.
        /// The -PassThru parameter is deprecated, use -Select '^RepositoryName' instead. This parameter will be removed in a future version.
        /// </summary>
        [System.Obsolete("The -PassThru parameter is deprecated, use -Select '^RepositoryName' instead. This parameter will be removed in a future version.")]
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public SwitchParameter PassThru { get; set; }
        #endregion
        
        protected override void ProcessRecord()
        {
            this._AWSSignerType = "v4";
            base.ProcessRecord();
            
            var context = new CmdletContext();
            
            // allow for manipulation of parameters prior to loading into context
            PreExecutionContextLoad(context);
            
            #pragma warning disable CS0618, CS0612 //A class member was marked with the Obsolete attribute
            if (ParameterWasBound(nameof(this.Select)))
            {
                context.Select = CreateSelectDelegate<Amazon.ECRPublic.Model.DescribeImagesResponse, GetECRPImageCmdlet>(Select) ??
                    throw new System.ArgumentException("Invalid value for -Select parameter.", nameof(this.Select));
                if (this.PassThru.IsPresent)
                {
                    throw new System.ArgumentException("-PassThru cannot be used when -Select is specified.", nameof(this.Select));
                }
            }
            else if (this.PassThru.IsPresent)
            {
                context.Select = (response, cmdlet) => this.RepositoryName;
            }
            #pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
            if (this.ImageId != null)
            {
                context.ImageId = new List<Amazon.ECRPublic.Model.ImageIdentifier>(this.ImageId);
            }
            context.MaxResult = this.MaxResult;
            context.NextToken = this.NextToken;
            context.RegistryId = this.RegistryId;
            context.RepositoryName = this.RepositoryName;
            #if MODULAR
            if (this.RepositoryName == null && ParameterWasBound(nameof(this.RepositoryName)))
            {
                WriteWarning("You are passing $null as a value for parameter RepositoryName which is marked as required. In case you believe this parameter was incorrectly marked as required, report this by opening an issue at https://github.com/aws/aws-tools-for-powershell/issues.");
            }
            #endif
            
            // allow further manipulation of loaded context prior to processing
            PostExecutionContextLoad(context);
            
            var output = Execute(context) as CmdletOutput;
            ProcessOutput(output);
        }
        
        #region IExecutor Members
        
        public object Execute(ExecutorContext context)
        {
            var cmdletContext = context as CmdletContext;
            // create request
            var request = new Amazon.ECRPublic.Model.DescribeImagesRequest();
            
            if (cmdletContext.ImageId != null)
            {
                request.ImageIds = cmdletContext.ImageId;
            }
            if (cmdletContext.MaxResult != null)
            {
                request.MaxResults = cmdletContext.MaxResult.Value;
            }
            if (cmdletContext.NextToken != null)
            {
                request.NextToken = cmdletContext.NextToken;
            }
            if (cmdletContext.RegistryId != null)
            {
                request.RegistryId = cmdletContext.RegistryId;
            }
            if (cmdletContext.RepositoryName != null)
            {
                request.RepositoryName = cmdletContext.RepositoryName;
            }
            
            CmdletOutput output;
            
            // issue call
            var client = Client ?? CreateClient(_CurrentCredentials, _RegionEndpoint);
            try
            {
                var response = CallAWSServiceOperation(client, request);
                object pipelineOutput = null;
                pipelineOutput = cmdletContext.Select(response, this);
                output = new CmdletOutput
                {
                    PipelineOutput = pipelineOutput,
                    ServiceResponse = response
                };
            }
            catch (Exception e)
            {
                output = new CmdletOutput { ErrorResponse = e };
            }
            
            return output;
        }
        
        public ExecutorContext CreateContext()
        {
            return new CmdletContext();
        }
        
        #endregion
        
        #region AWS Service Operation Call
        
        private Amazon.ECRPublic.Model.DescribeImagesResponse CallAWSServiceOperation(IAmazonECRPublic client, Amazon.ECRPublic.Model.DescribeImagesRequest request)
        {
            Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "Amazon Elastic Container Registry Public", "DescribeImages");
            try
            {
                #if DESKTOP
                return client.DescribeImages(request);
                #elif CORECLR
                return client.DescribeImagesAsync(request).GetAwaiter().GetResult();
                #else
                        #error "Unknown build edition"
                #endif
            }
            catch (AmazonServiceException exc)
            {
                var webException = exc.InnerException as System.Net.WebException;
                if (webException != null)
                {
                    throw new Exception(Utils.Common.FormatNameResolutionFailureMessage(client.Config, webException.Message), webException);
                }
                throw;
            }
        }
        
        #endregion
        
        internal partial class CmdletContext : ExecutorContext
        {
            public List<Amazon.ECRPublic.Model.ImageIdentifier> ImageId { get; set; }
            public System.Int32? MaxResult { get; set; }
            public System.String NextToken { get; set; }
            public System.String RegistryId { get; set; }
            public System.String RepositoryName { get; set; }
            public System.Func<Amazon.ECRPublic.Model.DescribeImagesResponse, GetECRPImageCmdlet, object> Select { get; set; } =
                (response, cmdlet) => response.ImageDetails;
        }
        
    }
}