/*******************************************************************************
 *  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.
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 *
 *  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.EKS;
using Amazon.EKS.Model;

namespace Amazon.PowerShell.Cmdlets.EKS
{
    /// <summary>
    /// Describes the versions for an add-on. Information such as the Kubernetes versions
    /// that you can use the add-on with, the <code>owner</code>, <code>publisher</code>,
    /// and the <code>type</code> of the add-on are returned.<br/><br/>This cmdlet automatically pages all available results to the pipeline - parameters related to iteration are only needed if you want to manually control the paginated output. To disable autopagination, use -NoAutoIteration.
    /// </summary>
    [Cmdlet("Get", "EKSAddonVersion")]
    [OutputType("Amazon.EKS.Model.AddonInfo")]
    [AWSCmdlet("Calls the Amazon Elastic Container Service for Kubernetes DescribeAddonVersions API operation.", Operation = new[] {"DescribeAddonVersions"}, SelectReturnType = typeof(Amazon.EKS.Model.DescribeAddonVersionsResponse))]
    [AWSCmdletOutput("Amazon.EKS.Model.AddonInfo or Amazon.EKS.Model.DescribeAddonVersionsResponse",
        "This cmdlet returns a collection of Amazon.EKS.Model.AddonInfo objects.",
        "The service call response (type Amazon.EKS.Model.DescribeAddonVersionsResponse) can also be referenced from properties attached to the cmdlet entry in the $AWSHistory stack."
    )]
    public partial class GetEKSAddonVersionCmdlet : AmazonEKSClientCmdlet, IExecutor
    {
        
        #region Parameter AddonName
        /// <summary>
        /// <para>
        /// <para>The name of the add-on. The name must match one of the names returned by <a href="https://docs.aws.amazon.com/eks/latest/APIReference/API_ListAddons.html"><code>ListAddons</code></a>.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public System.String AddonName { get; set; }
        #endregion
        
        #region Parameter KubernetesVersion
        /// <summary>
        /// <para>
        /// <para>The Kubernetes versions that you can use the add-on with.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public System.String KubernetesVersion { get; set; }
        #endregion
        
        #region Parameter Owner
        /// <summary>
        /// <para>
        /// <para>The owner of the add-on. For valid <code>owners</code>, don't specify a value for
        /// this property.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        [Alias("Owners")]
        public System.String[] Owner { get; set; }
        #endregion
        
        #region Parameter Publisher
        /// <summary>
        /// <para>
        /// <para>The publisher of the add-on. For valid <code>publishers</code>, don't specify a value
        /// for this property.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        [Alias("Publishers")]
        public System.String[] Publisher { get; set; }
        #endregion
        
        #region Parameter Type
        /// <summary>
        /// <para>
        /// <para>The type of the add-on. For valid <code>types</code>, don't specify a value for this
        /// property.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        [Alias("Types")]
        public System.String[] Type { get; set; }
        #endregion
        
        #region Parameter MaxResult
        /// <summary>
        /// <para>
        /// <para>The maximum number of results to return.</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 returned from a previous paginated <code>DescribeAddonVersionsRequest</code>
        /// 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.</para><note><para>This token should be treated as an opaque identifier that is used only to retrieve
        /// the next items in a list and not for other programmatic purposes.</para></note>
        /// </para>
        /// <para>
        /// <br/><b>Note:</b> This parameter is only used if you are manually controlling output pagination of the service API call.
        /// <br/>In order to manually control output pagination, use '-NextToken $null' for the first call and '-NextToken $AWSHistory.LastServiceResponse.NextToken' for subsequent calls.
        /// </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 'Addons'.
        /// Specifying -Select '*' will result in the cmdlet returning the whole service response (Amazon.EKS.Model.DescribeAddonVersionsResponse).
        /// Specifying the name of a property of type Amazon.EKS.Model.DescribeAddonVersionsResponse 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; } = "Addons";
        #endregion
        
        #region Parameter NoAutoIteration
        /// <summary>
        /// By default the cmdlet will auto-iterate and retrieve all results to the pipeline by performing multiple
        /// service calls. If set, the cmdlet will retrieve only the next 'page' of results using the value of NextToken
        /// as the start point.
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public SwitchParameter NoAutoIteration { 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);
            
            if (ParameterWasBound(nameof(this.Select)))
            {
                context.Select = CreateSelectDelegate<Amazon.EKS.Model.DescribeAddonVersionsResponse, GetEKSAddonVersionCmdlet>(Select) ??
                    throw new System.ArgumentException("Invalid value for -Select parameter.", nameof(this.Select));
            }
            context.AddonName = this.AddonName;
            context.KubernetesVersion = this.KubernetesVersion;
            context.MaxResult = this.MaxResult;
            context.NextToken = this.NextToken;
            if (this.Owner != null)
            {
                context.Owner = new List<System.String>(this.Owner);
            }
            if (this.Publisher != null)
            {
                context.Publisher = new List<System.String>(this.Publisher);
            }
            if (this.Type != null)
            {
                context.Type = new List<System.String>(this.Type);
            }
            
            // 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;
            var useParameterSelect = this.Select.StartsWith("^");
            
            // create request and set iteration invariants
            var request = new Amazon.EKS.Model.DescribeAddonVersionsRequest();
            
            if (cmdletContext.AddonName != null)
            {
                request.AddonName = cmdletContext.AddonName;
            }
            if (cmdletContext.KubernetesVersion != null)
            {
                request.KubernetesVersion = cmdletContext.KubernetesVersion;
            }
            if (cmdletContext.MaxResult != null)
            {
                request.MaxResults = cmdletContext.MaxResult.Value;
            }
            if (cmdletContext.Owner != null)
            {
                request.Owners = cmdletContext.Owner;
            }
            if (cmdletContext.Publisher != null)
            {
                request.Publishers = cmdletContext.Publisher;
            }
            if (cmdletContext.Type != null)
            {
                request.Types = cmdletContext.Type;
            }
            
            // Initialize loop variant and commence piping
            var _nextToken = cmdletContext.NextToken;
            var _userControllingPaging = this.NoAutoIteration.IsPresent || ParameterWasBound(nameof(this.NextToken));
            
            var client = Client ?? CreateClient(_CurrentCredentials, _RegionEndpoint);
            do
            {
                request.NextToken = _nextToken;
                
                CmdletOutput output;
                
                try
                {
                    
                    var response = CallAWSServiceOperation(client, request);
                    
                    object pipelineOutput = null;
                    if (!useParameterSelect)
                    {
                        pipelineOutput = cmdletContext.Select(response, this);
                    }
                    output = new CmdletOutput
                    {
                        PipelineOutput = pipelineOutput,
                        ServiceResponse = response
                    };
                    
                    _nextToken = response.NextToken;
                }
                catch (Exception e)
                {
                    output = new CmdletOutput { ErrorResponse = e };
                }
                
                ProcessOutput(output);
                
            } while (!_userControllingPaging && AutoIterationHelpers.HasValue(_nextToken));
            
            if (useParameterSelect)
            {
                WriteObject(cmdletContext.Select(null, this));
            }
            
            
            return null;
        }
        
        public ExecutorContext CreateContext()
        {
            return new CmdletContext();
        }
        
        #endregion
        
        #region AWS Service Operation Call
        
        private Amazon.EKS.Model.DescribeAddonVersionsResponse CallAWSServiceOperation(IAmazonEKS client, Amazon.EKS.Model.DescribeAddonVersionsRequest request)
        {
            Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "Amazon Elastic Container Service for Kubernetes", "DescribeAddonVersions");
            try
            {
                #if DESKTOP
                return client.DescribeAddonVersions(request);
                #elif CORECLR
                return client.DescribeAddonVersionsAsync(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 System.String AddonName { get; set; }
            public System.String KubernetesVersion { get; set; }
            public System.Int32? MaxResult { get; set; }
            public System.String NextToken { get; set; }
            public List<System.String> Owner { get; set; }
            public List<System.String> Publisher { get; set; }
            public List<System.String> Type { get; set; }
            public System.Func<Amazon.EKS.Model.DescribeAddonVersionsResponse, GetEKSAddonVersionCmdlet, object> Select { get; set; } =
                (response, cmdlet) => response.Addons;
        }
        
    }
}