/*******************************************************************************
 *  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.KeyManagementService;
using Amazon.KeyManagementService.Model;
namespace Amazon.PowerShell.Cmdlets.KMS
{
    /// 
    /// Associates an existing KMS alias with a different KMS key. Each alias is associated
    /// with only one KMS key at a time, although a KMS key can have multiple aliases. The
    /// alias and the KMS key must be in the same Amazon Web Services account and Region.
    /// 
    ///  
    /// Adding, deleting, or updating an alias can allow or deny permission to the KMS key.
    /// For details, see ABAC
    /// for KMS in the Key Management Service Developer Guide.
    /// 
    /// The current and new KMS key must be the same type (both symmetric or both asymmetric
    /// or both HMAC), and they must have the same key usage. This restriction prevents errors
    /// in code that uses aliases. If you must assign an alias to a different type of KMS
    /// key, use DeleteAlias to delete the old alias and CreateAlias to create
    /// a new alias.
    /// 
    /// You cannot use UpdateAlias to change an alias name. To change an alias
    /// name, use DeleteAlias to delete the old alias and CreateAlias to create
    /// a new alias.
    /// 
    /// Because an alias is not a property of a KMS key, you can create, update, and delete
    /// the aliases of a KMS key without affecting the KMS key. Also, aliases do not appear
    /// in the response from the DescribeKey operation. To get the aliases of all KMS
    /// keys in the account, use the ListAliases operation. 
    /// 
    /// The KMS key that you use for this operation must be in a compatible key state. For
    /// details, see Key
    /// states of KMS keys in the Key Management Service Developer Guide.
    /// Cross-account use: No. You cannot perform this operation on a KMS key in a
    /// different Amazon Web Services account. 
    /// Required permissions
    /// For details, see Controlling
    /// access to aliases in the Key Management Service Developer Guide.
    /// Related operations:
    /// 
    [Cmdlet("Update", "KMSAlias", SupportsShouldProcess = true, ConfirmImpact = ConfirmImpact.Medium)]
    [OutputType("None")]
    [AWSCmdlet("Calls the AWS Key Management Service UpdateAlias API operation.", Operation = new[] {"UpdateAlias"}, SelectReturnType = typeof(Amazon.KeyManagementService.Model.UpdateAliasResponse))]
    [AWSCmdletOutput("None or Amazon.KeyManagementService.Model.UpdateAliasResponse",
        "This cmdlet does not generate any output." +
        "The service response (type Amazon.KeyManagementService.Model.UpdateAliasResponse) can be referenced from properties attached to the cmdlet entry in the $AWSHistory stack."
    )]
    public partial class UpdateKMSAliasCmdlet : AmazonKeyManagementServiceClientCmdlet, IExecutor
    {
        
        #region Parameter AliasName
        /// 
        /// 
        /// Identifies the alias that is changing its KMS key. This value must begin with alias/
        /// followed by the alias name, such as alias/ExampleAlias. You cannot use
        /// UpdateAlias to change the alias name.Do not include confidential or sensitive information in this field. This field may
        /// be displayed in plaintext in CloudTrail logs and other output.
        /// 
        /// 
        #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 AliasName { get; set; }
        #endregion
        
        #region Parameter TargetKeyId
        /// 
        /// 
        /// Identifies the customer
        /// managed key to associate with the alias. You don't have permission to associate
        /// an alias with an Amazon
        /// Web Services managed key.The KMS key must be in the same Amazon Web Services account and Region as the alias.
        /// Also, the new target KMS key must be the same type as the current target KMS key (both
        /// symmetric or both asymmetric or both HMAC) and they must have the same key usage.
        /// Specify the key ID or key ARN of the KMS key.For example:- Key ID: 1234abcd-12ab-34cd-56ef-1234567890ab
- Key ARN: arn:aws:kms:us-east-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab
To get the key ID and key ARN for a KMS key, use ListKeys or DescribeKey.To verify that the alias is mapped to the correct KMS key, use ListAliases.
        /// 
        /// 
        #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 TargetKeyId { get; set; }
        #endregion
        
        #region Parameter Select
        /// 
        /// Use the -Select parameter to control the cmdlet output. The cmdlet doesn't have a return value by default.
        /// Specifying -Select '*' will result in the cmdlet returning the whole service response (Amazon.KeyManagementService.Model.UpdateAliasResponse).
        /// Specifying -Select '^ParameterName' will result in the cmdlet returning the selected cmdlet parameter value.
        /// 
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public string Select { get; set; } = "*";
        #endregion
        
        #region Parameter PassThru
        /// 
        /// Changes the cmdlet behavior to return the value passed to the TargetKeyId parameter.
        /// The -PassThru parameter is deprecated, use -Select '^TargetKeyId' instead. This parameter will be removed in a future version.
        /// 
        [System.Obsolete("The -PassThru parameter is deprecated, use -Select '^TargetKeyId' 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
        /// 
        /// This parameter overrides confirmation prompts to force 
        /// the cmdlet to continue its operation. This parameter should always
        /// be used with caution.
        /// 
        [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.TargetKeyId), MyInvocation.BoundParameters);
            if (!ConfirmShouldProceed(this.Force.IsPresent, resourceIdentifiersText, "Update-KMSAlias (UpdateAlias)"))
            {
                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(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.TargetKeyId;
            }
            #pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
            context.AliasName = this.AliasName;
            #if MODULAR
            if (this.AliasName == null && ParameterWasBound(nameof(this.AliasName)))
            {
                WriteWarning("You are passing $null as a value for parameter AliasName 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.TargetKeyId = this.TargetKeyId;
            #if MODULAR
            if (this.TargetKeyId == null && ParameterWasBound(nameof(this.TargetKeyId)))
            {
                WriteWarning("You are passing $null as a value for parameter TargetKeyId 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.KeyManagementService.Model.UpdateAliasRequest();
            
            if (cmdletContext.AliasName != null)
            {
                request.AliasName = cmdletContext.AliasName;
            }
            if (cmdletContext.TargetKeyId != null)
            {
                request.TargetKeyId = cmdletContext.TargetKeyId;
            }
            
            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.KeyManagementService.Model.UpdateAliasResponse CallAWSServiceOperation(IAmazonKeyManagementService client, Amazon.KeyManagementService.Model.UpdateAliasRequest request)
        {
            Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "AWS Key Management Service", "UpdateAlias");
            try
            {
                #if DESKTOP
                return client.UpdateAlias(request);
                #elif CORECLR
                return client.UpdateAliasAsync(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 AliasName { get; set; }
            public System.String TargetKeyId { get; set; }
            public System.Func Select { get; set; } =
                (response, cmdlet) => null;
        }
        
    }
}