/*******************************************************************************
 *  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.IdentityManagement;
using Amazon.IdentityManagement.Model;

namespace Amazon.PowerShell.Cmdlets.IAM
{
    /// <summary>
    /// Creates an IAM resource that describes an identity provider (IdP) that supports SAML
    /// 2.0.
    /// 
    ///  
    /// <para>
    /// The SAML provider resource that you create with this operation can be used as a principal
    /// in an IAM role's trust policy. Such a policy can enable federated users who sign in
    /// using the SAML IdP to assume the role. You can create an IAM role that supports Web-based
    /// single sign-on (SSO) to the Amazon Web Services Management Console or one that supports
    /// API access to Amazon Web Services.
    /// </para><para>
    /// When you create the SAML provider resource, you upload a SAML metadata document that
    /// you get from your IdP. That document includes the issuer's name, expiration information,
    /// and keys that can be used to validate the SAML authentication response (assertions)
    /// that the IdP sends. You must generate the metadata document using the identity management
    /// software that is used as your organization's IdP.
    /// </para><note><para>
    ///  This operation requires <a href="https://docs.aws.amazon.com/general/latest/gr/signature-version-4.html">Signature
    /// Version 4</a>.
    /// </para></note><para>
    ///  For more information, see <a href="https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_providers_enable-console-saml.html">Enabling
    /// SAML 2.0 federated users to access the Amazon Web Services Management Console</a>
    /// and <a href="https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_providers_saml.html">About
    /// SAML 2.0-based federation</a> in the <i>IAM User Guide</i>.
    /// </para>
    /// </summary>
    [Cmdlet("New", "IAMSAMLProvider", SupportsShouldProcess = true, ConfirmImpact = ConfirmImpact.Medium)]
    [OutputType("System.String")]
    [AWSCmdlet("Calls the AWS Identity and Access Management CreateSAMLProvider API operation.", Operation = new[] {"CreateSAMLProvider"}, SelectReturnType = typeof(Amazon.IdentityManagement.Model.CreateSAMLProviderResponse))]
    [AWSCmdletOutput("System.String or Amazon.IdentityManagement.Model.CreateSAMLProviderResponse",
        "This cmdlet returns a System.String object.",
        "The service call response (type Amazon.IdentityManagement.Model.CreateSAMLProviderResponse) can also be referenced from properties attached to the cmdlet entry in the $AWSHistory stack."
    )]
    public partial class NewIAMSAMLProviderCmdlet : AmazonIdentityManagementServiceClientCmdlet, IExecutor
    {
        
        #region Parameter Name
        /// <summary>
        /// <para>
        /// <para>The name of the provider to create.</para><para>This parameter allows (through its <a href="http://wikipedia.org/wiki/regex">regex
        /// pattern</a>) a string of characters consisting of upper and lowercase alphanumeric
        /// characters with no spaces. You can also include any of the following characters: _+=,.@-</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 SAMLMetadataDocument
        /// <summary>
        /// <para>
        /// <para>An XML document generated by an identity provider (IdP) that supports SAML 2.0. The
        /// document includes the issuer's name, expiration information, and keys that can be
        /// used to validate the SAML authentication response (assertions) that are received from
        /// the IdP. You must generate the metadata document using the identity management software
        /// that is used as your organization's IdP.</para><para>For more information, see <a href="https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_providers_saml.html">About
        /// SAML 2.0-based federation</a> in the <i>IAM User Guide</i></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 SAMLMetadataDocument { get; set; }
        #endregion
        
        #region Parameter Tag
        /// <summary>
        /// <para>
        /// <para>A list of tags that you want to attach to the new IAM SAML provider. Each tag consists
        /// of a key name and an associated value. For more information about tagging, see <a href="https://docs.aws.amazon.com/IAM/latest/UserGuide/id_tags.html">Tagging IAM resources</a>
        /// in the <i>IAM User Guide</i>.</para><note><para>If any one of the tags is invalid or if you exceed the allowed maximum number of tags,
        /// then the entire request fails and the resource is not created.</para></note>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        [Alias("Tags")]
        public Amazon.IdentityManagement.Model.Tag[] Tag { get; set; }
        #endregion
        
        #region Parameter Select
        /// <summary>
        /// Use the -Select parameter to control the cmdlet output. The default value is 'SAMLProviderArn'.
        /// Specifying -Select '*' will result in the cmdlet returning the whole service response (Amazon.IdentityManagement.Model.CreateSAMLProviderResponse).
        /// Specifying the name of a property of type Amazon.IdentityManagement.Model.CreateSAMLProviderResponse 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; } = "SAMLProviderArn";
        #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, "New-IAMSAMLProvider (CreateSAMLProvider)"))
            {
                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.IdentityManagement.Model.CreateSAMLProviderResponse, NewIAMSAMLProviderCmdlet>(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.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.SAMLMetadataDocument = this.SAMLMetadataDocument;
            #if MODULAR
            if (this.SAMLMetadataDocument == null && ParameterWasBound(nameof(this.SAMLMetadataDocument)))
            {
                WriteWarning("You are passing $null as a value for parameter SAMLMetadataDocument 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 List<Amazon.IdentityManagement.Model.Tag>(this.Tag);
            }
            
            // 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.IdentityManagement.Model.CreateSAMLProviderRequest();
            
            if (cmdletContext.Name != null)
            {
                request.Name = cmdletContext.Name;
            }
            if (cmdletContext.SAMLMetadataDocument != null)
            {
                request.SAMLMetadataDocument = cmdletContext.SAMLMetadataDocument;
            }
            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.IdentityManagement.Model.CreateSAMLProviderResponse CallAWSServiceOperation(IAmazonIdentityManagementService client, Amazon.IdentityManagement.Model.CreateSAMLProviderRequest request)
        {
            Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "AWS Identity and Access Management", "CreateSAMLProvider");
            try
            {
                #if DESKTOP
                return client.CreateSAMLProvider(request);
                #elif CORECLR
                return client.CreateSAMLProviderAsync(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 Name { get; set; }
            public System.String SAMLMetadataDocument { get; set; }
            public List<Amazon.IdentityManagement.Model.Tag> Tag { get; set; }
            public System.Func<Amazon.IdentityManagement.Model.CreateSAMLProviderResponse, NewIAMSAMLProviderCmdlet, object> Select { get; set; } =
                (response, cmdlet) => response.SAMLProviderArn;
        }
        
    }
}