/*******************************************************************************
 *  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
{
    /// 
    /// Returns a unique asymmetric data key pair for use outside of KMS. This operation returns
    /// a plaintext public key and a copy of the private key that is encrypted under the symmetric
    /// encryption KMS key you specify. Unlike GenerateDataKeyPair, this operation
    /// does not return a plaintext private key. The bytes in the keys are random; they are
    /// not related to the caller or to the KMS key that is used to encrypt the private key.
    /// 
    /// 
    ///  
    /// 
    /// You can use the public key that GenerateDataKeyPairWithoutPlaintext returns
    /// to encrypt data or verify a signature outside of KMS. Then, store the encrypted private
    /// key with the data. When you are ready to decrypt data or sign a message, you can use
    /// the Decrypt operation to decrypt the encrypted private key.
    /// 
    /// To generate a data key pair, you must specify a symmetric encryption KMS key to encrypt
    /// the private key in a data key pair. You cannot use an asymmetric KMS key or a KMS
    /// key in a custom key store. To get the type and origin of your KMS key, use the DescribeKey
    /// operation. 
    /// 
    /// Use the KeyPairSpec parameter to choose an RSA or Elliptic Curve (ECC)
    /// data key pair. In China Regions, you can also choose an SM2 data key pair. KMS recommends
    /// that you use ECC key pairs for signing, and use RSA and SM2 key pairs for either encryption
    /// or signing, but not both. However, KMS cannot enforce any restrictions on the use
    /// of data key pairs outside of KMS.
    /// GenerateDataKeyPairWithoutPlaintext returns a unique data key pair for
    /// each request. The bytes in the key are not related to the caller or KMS key that is
    /// used to encrypt the private key. The public key is a DER-encoded X.509 SubjectPublicKeyInfo,
    /// as specified in RFC 5280.
    /// 
    /// You can use an optional encryption context to add additional security to the encryption
    /// operation. If you specify an EncryptionContext, you must specify the
    /// same encryption context (a case-sensitive exact match) when decrypting the encrypted
    /// data key. Otherwise, the request to decrypt fails with an InvalidCiphertextException.
    /// For more information, see Encryption
    /// Context in the Key Management Service Developer Guide.
    /// 
    /// 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: Yes. To perform this operation with a KMS key in a different
    /// Amazon Web Services account, specify the key ARN or alias ARN in the value of the
    /// KeyId parameter.
    /// Required permissions: kms:GenerateDataKeyPairWithoutPlaintext
    /// (key policy)
    /// Related operations:
    /// 
    [Cmdlet("New", "KMSDataKeyPairWithoutPlaintext", SupportsShouldProcess = true, ConfirmImpact = ConfirmImpact.Medium)]
    [OutputType("Amazon.KeyManagementService.Model.GenerateDataKeyPairWithoutPlaintextResponse")]
    [AWSCmdlet("Calls the AWS Key Management Service GenerateDataKeyPairWithoutPlaintext API operation.", Operation = new[] {"GenerateDataKeyPairWithoutPlaintext"}, SelectReturnType = typeof(Amazon.KeyManagementService.Model.GenerateDataKeyPairWithoutPlaintextResponse))]
    [AWSCmdletOutput("Amazon.KeyManagementService.Model.GenerateDataKeyPairWithoutPlaintextResponse",
        "This cmdlet returns an Amazon.KeyManagementService.Model.GenerateDataKeyPairWithoutPlaintextResponse object containing multiple properties. The object can also be referenced from properties attached to the cmdlet entry in the $AWSHistory stack."
    )]
    public partial class NewKMSDataKeyPairWithoutPlaintextCmdlet : AmazonKeyManagementServiceClientCmdlet, IExecutor
    {
        
        #region Parameter DryRun
        /// 
        /// 
        /// Checks if your request will succeed. DryRun is an optional parameter.
        /// To learn more about how to use this parameter, see Testing
        /// your KMS API calls in the Key Management Service Developer Guide.
        /// 
        /// 
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public System.Boolean? DryRun { get; set; }
        #endregion
        
        #region Parameter EncryptionContext
        /// 
        /// 
        /// Specifies the encryption context that will be used when encrypting the private key
        /// in the data key pair.Do not include confidential or sensitive information in this field. This field may
        /// be displayed in plaintext in CloudTrail logs and other output.An encryption context is a collection of non-secret key-value pairs that represent
        /// additional authenticated data. When you use an encryption context to encrypt data,
        /// you must specify the same (an exact case-sensitive match) encryption context to decrypt
        /// the data. An encryption context is supported only on operations with symmetric encryption
        /// KMS keys. On operations with symmetric encryption KMS keys, an encryption context
        /// is optional, but it is strongly recommended.For more information, see Encryption
        /// context in the Key Management Service Developer Guide.
        /// 
        /// 
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public System.Collections.Hashtable EncryptionContext { get; set; }
        #endregion
        
        #region Parameter GrantToken
        /// 
        /// 
        /// A list of grant tokens.Use a grant token when your permission to call this operation comes from a new grant
        /// that has not yet achieved eventual consistency. For more information, see Grant
        /// token and Using
        /// a grant token in the Key Management Service Developer Guide.
        /// 
        /// 
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        [Alias("GrantTokens")]
        public System.String[] GrantToken { get; set; }
        #endregion
        
        #region Parameter KeyId
        /// 
        /// 
        /// Specifies the symmetric encryption KMS key that encrypts the private key in the data
        /// key pair. You cannot specify an asymmetric KMS key or a KMS key in a custom key store.
        /// To get the type and origin of your KMS key, use the DescribeKey operation.
        /// To specify a KMS key, use its key ID, key ARN, alias name, or alias ARN. When using
        /// an alias name, prefix it with "alias/". To specify a KMS key in a different
        /// Amazon Web Services account, you must use the key ARN or alias ARN.For example:- Key ID: 
1234abcd-12ab-34cd-56ef-1234567890ab - Key ARN: 
arn:aws:kms:us-east-2:111122223333:key/1234abcd-12ab-34cd-56ef-1234567890ab - Alias name: 
alias/ExampleAlias - Alias ARN: 
arn:aws:kms:us-east-2:111122223333:alias/ExampleAlias 
To get the key ID and key ARN for a KMS key, use ListKeys or DescribeKey.
        /// To get the alias name and alias ARN, 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 KeyId { get; set; }
        #endregion
        
        #region Parameter KeyPairSpec
        /// 
        /// 
        /// Determines the type of data key pair that is generated.The KMS rule that restricts the use of asymmetric RSA and SM2 KMS keys to encrypt
        /// and decrypt or to sign and verify (but not both), and the rule that permits you to
        /// use ECC KMS keys only to sign and verify, are not effective on data key pairs, which
        /// are used outside of KMS. The SM2 key spec is only available in China Regions.
        /// 
        /// 
        #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.KeyManagementService.DataKeyPairSpec")]
        public Amazon.KeyManagementService.DataKeyPairSpec KeyPairSpec { get; set; }
        #endregion
        
        #region Parameter Select
        /// 
        /// Use the -Select parameter to control the cmdlet output. The default value is '*'.
        /// Specifying -Select '*' will result in the cmdlet returning the whole service response (Amazon.KeyManagementService.Model.GenerateDataKeyPairWithoutPlaintextResponse).
        /// Specifying the name of a property of type Amazon.KeyManagementService.Model.GenerateDataKeyPairWithoutPlaintextResponse will result in that property being returned.
        /// 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 KeyId parameter.
        /// The -PassThru parameter is deprecated, use -Select '^KeyId' instead. This parameter will be removed in a future version.
        /// 
        [System.Obsolete("The -PassThru parameter is deprecated, use -Select '^KeyId' 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.KeyId), MyInvocation.BoundParameters);
            if (!ConfirmShouldProceed(this.Force.IsPresent, resourceIdentifiersText, "New-KMSDataKeyPairWithoutPlaintext (GenerateDataKeyPairWithoutPlaintext)"))
            {
                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.KeyId;
            }
            #pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
            context.DryRun = this.DryRun;
            if (this.EncryptionContext != null)
            {
                context.EncryptionContext = new Dictionary(StringComparer.Ordinal);
                foreach (var hashKey in this.EncryptionContext.Keys)
                {
                    context.EncryptionContext.Add((String)hashKey, (String)(this.EncryptionContext[hashKey]));
                }
            }
            if (this.GrantToken != null)
            {
                context.GrantToken = new List(this.GrantToken);
            }
            context.KeyId = this.KeyId;
            #if MODULAR
            if (this.KeyId == null && ParameterWasBound(nameof(this.KeyId)))
            {
                WriteWarning("You are passing $null as a value for parameter KeyId 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.KeyPairSpec = this.KeyPairSpec;
            #if MODULAR
            if (this.KeyPairSpec == null && ParameterWasBound(nameof(this.KeyPairSpec)))
            {
                WriteWarning("You are passing $null as a value for parameter KeyPairSpec 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.GenerateDataKeyPairWithoutPlaintextRequest();
            
            if (cmdletContext.DryRun != null)
            {
                request.DryRun = cmdletContext.DryRun.Value;
            }
            if (cmdletContext.EncryptionContext != null)
            {
                request.EncryptionContext = cmdletContext.EncryptionContext;
            }
            if (cmdletContext.GrantToken != null)
            {
                request.GrantTokens = cmdletContext.GrantToken;
            }
            if (cmdletContext.KeyId != null)
            {
                request.KeyId = cmdletContext.KeyId;
            }
            if (cmdletContext.KeyPairSpec != null)
            {
                request.KeyPairSpec = cmdletContext.KeyPairSpec;
            }
            
            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.GenerateDataKeyPairWithoutPlaintextResponse CallAWSServiceOperation(IAmazonKeyManagementService client, Amazon.KeyManagementService.Model.GenerateDataKeyPairWithoutPlaintextRequest request)
        {
            Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "AWS Key Management Service", "GenerateDataKeyPairWithoutPlaintext");
            try
            {
                #if DESKTOP
                return client.GenerateDataKeyPairWithoutPlaintext(request);
                #elif CORECLR
                return client.GenerateDataKeyPairWithoutPlaintextAsync(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.Boolean? DryRun { get; set; }
            public Dictionary EncryptionContext { get; set; }
            public List GrantToken { get; set; }
            public System.String KeyId { get; set; }
            public Amazon.KeyManagementService.DataKeyPairSpec KeyPairSpec { get; set; }
            public System.Func Select { get; set; } =
                (response, cmdlet) => response;
        }
        
    }
}