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

namespace Amazon.PowerShell.Cmdlets.EKS
{
    /// <summary>
    /// Returns descriptive information about an update against your Amazon EKS cluster or
    /// associated managed node group or Amazon EKS add-on.
    /// 
    ///  
    /// <para>
    /// When the status of the update is <code>Succeeded</code>, the update is complete. If
    /// an update fails, the status is <code>Failed</code>, and an error detail explains the
    /// reason for the failure.
    /// </para>
    /// </summary>
    [Cmdlet("Get", "EKSUpdate")]
    [OutputType("Amazon.EKS.Model.Update")]
    [AWSCmdlet("Calls the Amazon Elastic Container Service for Kubernetes DescribeUpdate API operation.", Operation = new[] {"DescribeUpdate"}, SelectReturnType = typeof(Amazon.EKS.Model.DescribeUpdateResponse))]
    [AWSCmdletOutput("Amazon.EKS.Model.Update or Amazon.EKS.Model.DescribeUpdateResponse",
        "This cmdlet returns an Amazon.EKS.Model.Update object.",
        "The service call response (type Amazon.EKS.Model.DescribeUpdateResponse) can also be referenced from properties attached to the cmdlet entry in the $AWSHistory stack."
    )]
    public partial class GetEKSUpdateCmdlet : 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>. This parameter is required if the update is an add-on
        /// update.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public System.String AddonName { get; set; }
        #endregion
        
        #region Parameter Name
        /// <summary>
        /// <para>
        /// <para>The name of the Amazon EKS cluster associated with the update.</para>
        /// </para>
        /// </summary>
        #if !MODULAR
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        #else
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true, Mandatory = true)]
        [System.Management.Automation.AllowEmptyString]
        [System.Management.Automation.AllowNull]
        #endif
        [Amazon.PowerShell.Common.AWSRequiredParameter]
        public System.String Name { get; set; }
        #endregion
        
        #region Parameter NodegroupName
        /// <summary>
        /// <para>
        /// <para>The name of the Amazon EKS node group associated with the update. This parameter is
        /// required if the update is a node group update.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public System.String NodegroupName { get; set; }
        #endregion
        
        #region Parameter UpdateId
        /// <summary>
        /// <para>
        /// <para>The ID of the update 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 UpdateId { get; set; }
        #endregion
        
        #region Parameter Select
        /// <summary>
        /// Use the -Select parameter to control the cmdlet output. The default value is 'Update'.
        /// Specifying -Select '*' will result in the cmdlet returning the whole service response (Amazon.EKS.Model.DescribeUpdateResponse).
        /// Specifying the name of a property of type Amazon.EKS.Model.DescribeUpdateResponse 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; } = "Update";
        #endregion
        
        #region Parameter PassThru
        /// <summary>
        /// Changes the cmdlet behavior to return the value passed to the UpdateId parameter.
        /// The -PassThru parameter is deprecated, use -Select '^UpdateId' instead. This parameter will be removed in a future version.
        /// </summary>
        [System.Obsolete("The -PassThru parameter is deprecated, use -Select '^UpdateId' 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.EKS.Model.DescribeUpdateResponse, GetEKSUpdateCmdlet>(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.UpdateId;
            }
            #pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
            context.AddonName = this.AddonName;
            context.Name = this.Name;
            #if MODULAR
            if (this.Name == null && ParameterWasBound(nameof(this.Name)))
            {
                WriteWarning("You are passing $null as a value for parameter Name 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
            context.NodegroupName = this.NodegroupName;
            context.UpdateId = this.UpdateId;
            #if MODULAR
            if (this.UpdateId == null && ParameterWasBound(nameof(this.UpdateId)))
            {
                WriteWarning("You are passing $null as a value for parameter UpdateId 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.EKS.Model.DescribeUpdateRequest();
            
            if (cmdletContext.AddonName != null)
            {
                request.AddonName = cmdletContext.AddonName;
            }
            if (cmdletContext.Name != null)
            {
                request.Name = cmdletContext.Name;
            }
            if (cmdletContext.NodegroupName != null)
            {
                request.NodegroupName = cmdletContext.NodegroupName;
            }
            if (cmdletContext.UpdateId != null)
            {
                request.UpdateId = cmdletContext.UpdateId;
            }
            
            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.EKS.Model.DescribeUpdateResponse CallAWSServiceOperation(IAmazonEKS client, Amazon.EKS.Model.DescribeUpdateRequest request)
        {
            Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "Amazon Elastic Container Service for Kubernetes", "DescribeUpdate");
            try
            {
                #if DESKTOP
                return client.DescribeUpdate(request);
                #elif CORECLR
                return client.DescribeUpdateAsync(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 Name { get; set; }
            public System.String NodegroupName { get; set; }
            public System.String UpdateId { get; set; }
            public System.Func<Amazon.EKS.Model.DescribeUpdateResponse, GetEKSUpdateCmdlet, object> Select { get; set; } =
                (response, cmdlet) => response.Update;
        }
        
    }
}