/*******************************************************************************
 *  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>
    /// Connects a Kubernetes cluster to the Amazon EKS control plane. 
    /// 
    ///  
    /// <para>
    /// Any Kubernetes cluster can be connected to the Amazon EKS control plane to view current
    /// information about the cluster and its nodes. 
    /// </para><para>
    /// Cluster connection requires two steps. First, send a <code><a>RegisterClusterRequest</a></code> to add it to the Amazon EKS control plane.
    /// </para><para>
    /// Second, a <a href="https://amazon-eks.s3.us-west-2.amazonaws.com/eks-connector/manifests/eks-connector/latest/eks-connector.yaml">Manifest</a>
    /// containing the <code>activationID</code> and <code>activationCode</code> must be applied
    /// to the Kubernetes cluster through it's native provider to provide visibility.
    /// </para><para>
    /// After the Manifest is updated and applied, then the connected cluster is visible to
    /// the Amazon EKS control plane. If the Manifest is not applied within three days, then
    /// the connected cluster will no longer be visible and must be deregistered. See <a>DeregisterCluster</a>.
    /// </para>
    /// </summary>
    [Cmdlet("Register", "EKSCluster", SupportsShouldProcess = true, ConfirmImpact = ConfirmImpact.Medium)]
    [OutputType("Amazon.EKS.Model.Cluster")]
    [AWSCmdlet("Calls the Amazon Elastic Container Service for Kubernetes RegisterCluster API operation.", Operation = new[] {"RegisterCluster"}, SelectReturnType = typeof(Amazon.EKS.Model.RegisterClusterResponse))]
    [AWSCmdletOutput("Amazon.EKS.Model.Cluster or Amazon.EKS.Model.RegisterClusterResponse",
        "This cmdlet returns an Amazon.EKS.Model.Cluster object.",
        "The service call response (type Amazon.EKS.Model.RegisterClusterResponse) can also be referenced from properties attached to the cmdlet entry in the $AWSHistory stack."
    )]
    public partial class RegisterEKSClusterCmdlet : AmazonEKSClientCmdlet, IExecutor
    {
        
        #region Parameter ClientRequestToken
        /// <summary>
        /// <para>
        /// <para>Unique, case-sensitive identifier that you provide to ensure the idempotency of the
        /// request.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public System.String ClientRequestToken { get; set; }
        #endregion
        
        #region Parameter Name
        /// <summary>
        /// <para>
        /// <para>Define a unique name for this cluster for your Region.</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 Name { get; set; }
        #endregion
        
        #region Parameter ConnectorConfig_Provider
        /// <summary>
        /// <para>
        /// <para>The cloud provider for the target cluster to connect.</para>
        /// </para>
        /// </summary>
        #if !MODULAR
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        #else
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true, Mandatory = true)]
        [System.Management.Automation.AllowNull]
        #endif
        [Amazon.PowerShell.Common.AWSRequiredParameter]
        [AWSConstantClassSource("Amazon.EKS.ConnectorConfigProvider")]
        public Amazon.EKS.ConnectorConfigProvider ConnectorConfig_Provider { get; set; }
        #endregion
        
        #region Parameter ConnectorConfig_RoleArn
        /// <summary>
        /// <para>
        /// <para>The Amazon Resource Name (ARN) of the role that is authorized to request the connector
        /// configuration.</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 ConnectorConfig_RoleArn { get; set; }
        #endregion
        
        #region Parameter Tag
        /// <summary>
        /// <para>
        /// <para>The metadata that you apply to the cluster to assist with categorization and organization.
        /// Each tag consists of a key and an optional value, both of which you define. Cluster
        /// tags do not propagate to any other resources associated with the cluster.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        [Alias("Tags")]
        public System.Collections.Hashtable Tag { get; set; }
        #endregion
        
        #region Parameter Select
        /// <summary>
        /// Use the -Select parameter to control the cmdlet output. The default value is 'Cluster'.
        /// Specifying -Select '*' will result in the cmdlet returning the whole service response (Amazon.EKS.Model.RegisterClusterResponse).
        /// Specifying the name of a property of type Amazon.EKS.Model.RegisterClusterResponse 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; } = "Cluster";
        #endregion
        
        #region Parameter PassThru
        /// <summary>
        /// Changes the cmdlet behavior to return the value passed to the Name parameter.
        /// The -PassThru parameter is deprecated, use -Select '^Name' instead. This parameter will be removed in a future version.
        /// </summary>
        [System.Obsolete("The -PassThru parameter is deprecated, use -Select '^Name' instead. This parameter will be removed in a future version.")]
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public SwitchParameter PassThru { get; set; }
        #endregion
        
        #region Parameter Force
        /// <summary>
        /// This parameter overrides confirmation prompts to force 
        /// the cmdlet to continue its operation. This parameter should always
        /// be used with caution.
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public SwitchParameter Force { get; set; }
        #endregion
        
        protected override void ProcessRecord()
        {
            this._AWSSignerType = "v4";
            base.ProcessRecord();
            
            var resourceIdentifiersText = FormatParameterValuesForConfirmationMsg(nameof(this.Name), MyInvocation.BoundParameters);
            if (!ConfirmShouldProceed(this.Force.IsPresent, resourceIdentifiersText, "Register-EKSCluster (RegisterCluster)"))
            {
                return;
            }
            
            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.RegisterClusterResponse, RegisterEKSClusterCmdlet>(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.Name;
            }
            #pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
            context.ClientRequestToken = this.ClientRequestToken;
            context.ConnectorConfig_Provider = this.ConnectorConfig_Provider;
            #if MODULAR
            if (this.ConnectorConfig_Provider == null && ParameterWasBound(nameof(this.ConnectorConfig_Provider)))
            {
                WriteWarning("You are passing $null as a value for parameter ConnectorConfig_Provider 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.ConnectorConfig_RoleArn = this.ConnectorConfig_RoleArn;
            #if MODULAR
            if (this.ConnectorConfig_RoleArn == null && ParameterWasBound(nameof(this.ConnectorConfig_RoleArn)))
            {
                WriteWarning("You are passing $null as a value for parameter ConnectorConfig_RoleArn 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.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
            if (this.Tag != null)
            {
                context.Tag = new Dictionary<System.String, System.String>(StringComparer.Ordinal);
                foreach (var hashKey in this.Tag.Keys)
                {
                    context.Tag.Add((String)hashKey, (String)(this.Tag[hashKey]));
                }
            }
            
            // 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.RegisterClusterRequest();
            
            if (cmdletContext.ClientRequestToken != null)
            {
                request.ClientRequestToken = cmdletContext.ClientRequestToken;
            }
            
             // populate ConnectorConfig
            var requestConnectorConfigIsNull = true;
            request.ConnectorConfig = new Amazon.EKS.Model.ConnectorConfigRequest();
            Amazon.EKS.ConnectorConfigProvider requestConnectorConfig_connectorConfig_Provider = null;
            if (cmdletContext.ConnectorConfig_Provider != null)
            {
                requestConnectorConfig_connectorConfig_Provider = cmdletContext.ConnectorConfig_Provider;
            }
            if (requestConnectorConfig_connectorConfig_Provider != null)
            {
                request.ConnectorConfig.Provider = requestConnectorConfig_connectorConfig_Provider;
                requestConnectorConfigIsNull = false;
            }
            System.String requestConnectorConfig_connectorConfig_RoleArn = null;
            if (cmdletContext.ConnectorConfig_RoleArn != null)
            {
                requestConnectorConfig_connectorConfig_RoleArn = cmdletContext.ConnectorConfig_RoleArn;
            }
            if (requestConnectorConfig_connectorConfig_RoleArn != null)
            {
                request.ConnectorConfig.RoleArn = requestConnectorConfig_connectorConfig_RoleArn;
                requestConnectorConfigIsNull = false;
            }
             // determine if request.ConnectorConfig should be set to null
            if (requestConnectorConfigIsNull)
            {
                request.ConnectorConfig = null;
            }
            if (cmdletContext.Name != null)
            {
                request.Name = cmdletContext.Name;
            }
            if (cmdletContext.Tag != null)
            {
                request.Tags = cmdletContext.Tag;
            }
            
            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.RegisterClusterResponse CallAWSServiceOperation(IAmazonEKS client, Amazon.EKS.Model.RegisterClusterRequest request)
        {
            Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "Amazon Elastic Container Service for Kubernetes", "RegisterCluster");
            try
            {
                #if DESKTOP
                return client.RegisterCluster(request);
                #elif CORECLR
                return client.RegisterClusterAsync(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 ClientRequestToken { get; set; }
            public Amazon.EKS.ConnectorConfigProvider ConnectorConfig_Provider { get; set; }
            public System.String ConnectorConfig_RoleArn { get; set; }
            public System.String Name { get; set; }
            public Dictionary<System.String, System.String> Tag { get; set; }
            public System.Func<Amazon.EKS.Model.RegisterClusterResponse, RegisterEKSClusterCmdlet, object> Select { get; set; } =
                (response, cmdlet) => response.Cluster;
        }
        
    }
}