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 *  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>
    /// Retrieves a service last accessed report that was created using the <code>GenerateServiceLastAccessedDetails</code>
    /// operation. You can use the <code>JobId</code> parameter in <code>GetServiceLastAccessedDetails</code>
    /// to retrieve the status of your report job. When the report is complete, you can retrieve
    /// the generated report. The report includes a list of Amazon Web Services services that
    /// the resource (user, group, role, or managed policy) can access.
    /// 
    ///  <note><para>
    /// Service last accessed data does not use other policy types when determining whether
    /// a resource could access a service. These other policy types include resource-based
    /// policies, access control lists, Organizations policies, IAM permissions boundaries,
    /// and STS assume role policies. It only applies permissions policy logic. For more about
    /// the evaluation of policy types, see <a href="https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_evaluation-logic.html#policy-eval-basics">Evaluating
    /// policies</a> in the <i>IAM User Guide</i>.
    /// </para></note><para>
    /// For each service that the resource could access using permissions policies, the operation
    /// returns details about the most recent access attempt. If there was no attempt, the
    /// service is listed without details about the most recent attempt to access the service.
    /// If the operation fails, the <code>GetServiceLastAccessedDetails</code> operation returns
    /// the reason that it failed.
    /// </para><para>
    /// The <code>GetServiceLastAccessedDetails</code> operation returns a list of services.
    /// This list includes the number of entities that have attempted to access the service
    /// and the date and time of the last attempt. It also returns the ARN of the following
    /// entity, depending on the resource ARN that you used to generate the report:
    /// </para><ul><li><para><b>User</b> – Returns the user ARN that you used to generate the report
    /// </para></li><li><para><b>Group</b> – Returns the ARN of the group member (user) that last attempted to
    /// access the service
    /// </para></li><li><para><b>Role</b> – Returns the role ARN that you used to generate the report
    /// </para></li><li><para><b>Policy</b> – Returns the ARN of the user or role that last used the policy to
    /// attempt to access the service
    /// </para></li></ul><para>
    /// By default, the list is sorted by service namespace.
    /// </para><para>
    /// If you specified <code>ACTION_LEVEL</code> granularity when you generated the report,
    /// this operation returns service and action last accessed data. This includes the most
    /// recent access attempt for each tracked action within a service. Otherwise, this operation
    /// returns only service data.
    /// </para><para>
    /// For more information about service and action last accessed data, see <a href="https://docs.aws.amazon.com/IAM/latest/UserGuide/access_policies_access-advisor.html">Reducing
    /// permissions using service last accessed data</a> in the <i>IAM User Guide</i>.
    /// </para><br/><br/>In the AWS.Tools.IdentityManagement module, this cmdlet automatically pages all available results to the pipeline - parameters related to iteration are only needed if you want to manually control the paginated output. To disable autopagination, use -NoAutoIteration.
    /// </summary>
    [Cmdlet("Get", "IAMServiceLastAccessedDetail")]
    [OutputType("Amazon.IdentityManagement.Model.GetServiceLastAccessedDetailsResponse")]
    [AWSCmdlet("Calls the AWS Identity and Access Management GetServiceLastAccessedDetails API operation.", Operation = new[] {"GetServiceLastAccessedDetails"}, SelectReturnType = typeof(Amazon.IdentityManagement.Model.GetServiceLastAccessedDetailsResponse))]
    [AWSCmdletOutput("Amazon.IdentityManagement.Model.GetServiceLastAccessedDetailsResponse",
        "This cmdlet returns an Amazon.IdentityManagement.Model.GetServiceLastAccessedDetailsResponse object containing multiple properties. The object can also be referenced from properties attached to the cmdlet entry in the $AWSHistory stack."
    )]
    public partial class GetIAMServiceLastAccessedDetailCmdlet : AmazonIdentityManagementServiceClientCmdlet, IExecutor
    {
        
        #region Parameter JobId
        /// <summary>
        /// <para>
        /// <para>The ID of the request generated by the <a>GenerateServiceLastAccessedDetails</a> operation.
        /// The <code>JobId</code> returned by <code>GenerateServiceLastAccessedDetail</code>
        /// must be used by the same role within a session, or by the same user when used to call
        /// <code>GetServiceLastAccessedDetail</code>.</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 JobId { get; set; }
        #endregion
        
        #region Parameter Marker
        /// <summary>
        /// <para>
        /// <para>Use this parameter only when paginating results and only after you receive a response
        /// indicating that the results are truncated. Set it to the value of the <code>Marker</code>
        /// element in the response that you received to indicate where the next call should start.</para>
        /// </para>
        /// <para>
        /// <br/><b>Note:</b> In the AWS.Tools.IdentityManagement module, this parameter is only used if you are manually controlling output pagination of the service API call.
        /// <br/>In order to manually control output pagination, use '-Marker $null' for the first call and '-Marker $AWSHistory.LastServiceResponse.Marker' for subsequent calls.
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        [Alias("NextToken")]
        public System.String Marker { get; set; }
        #endregion
        
        #region Parameter MaxItem
        /// <summary>
        /// <para>
        /// <para>Use this only when paginating results to indicate the maximum number of items you
        /// want in the response. If additional items exist beyond the maximum you specify, the
        /// <code>IsTruncated</code> response element is <code>true</code>.</para><para>If you do not include this parameter, the number of items defaults to 100. Note that
        /// IAM might return fewer results, even when there are more results available. In that
        /// case, the <code>IsTruncated</code> response element returns <code>true</code>, and
        /// <code>Marker</code> contains a value to include in the subsequent call that tells
        /// the service where to continue from.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        [Alias("MaxItems")]
        public System.Int32? MaxItem { get; set; }
        #endregion
        
        #region Parameter Select
        /// <summary>
        /// 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.IdentityManagement.Model.GetServiceLastAccessedDetailsResponse).
        /// Specifying the name of a property of type Amazon.IdentityManagement.Model.GetServiceLastAccessedDetailsResponse 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; } = "*";
        #endregion
        
        #region Parameter PassThru
        /// <summary>
        /// Changes the cmdlet behavior to return the value passed to the JobId parameter.
        /// The -PassThru parameter is deprecated, use -Select '^JobId' instead. This parameter will be removed in a future version.
        /// </summary>
        [System.Obsolete("The -PassThru parameter is deprecated, use -Select '^JobId' instead. This parameter will be removed in a future version.")]
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public SwitchParameter PassThru { get; set; }
        #endregion
        
        #region Parameter NoAutoIteration
        #if MODULAR
        /// <summary>
        /// By default the cmdlet will auto-iterate and retrieve all results to the pipeline by performing multiple
        /// service calls. If set, the cmdlet will retrieve only the next 'page' of results using the value of Marker
        /// as the start point.
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public SwitchParameter NoAutoIteration { get; set; }
        #endif
        #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.IdentityManagement.Model.GetServiceLastAccessedDetailsResponse, GetIAMServiceLastAccessedDetailCmdlet>(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.JobId;
            }
            #pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
            context.JobId = this.JobId;
            #if MODULAR
            if (this.JobId == null && ParameterWasBound(nameof(this.JobId)))
            {
                WriteWarning("You are passing $null as a value for parameter JobId 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.Marker = this.Marker;
            context.MaxItem = this.MaxItem;
            
            // allow further manipulation of loaded context prior to processing
            PostExecutionContextLoad(context);
            
            var output = Execute(context) as CmdletOutput;
            ProcessOutput(output);
        }
        
        #region IExecutor Members
        
        #if MODULAR
        public object Execute(ExecutorContext context)
        {
            var cmdletContext = context as CmdletContext;
            #pragma warning disable CS0618, CS0612 //A class member was marked with the Obsolete attribute
            var useParameterSelect = this.Select.StartsWith("^") || this.PassThru.IsPresent;
            #pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
            
            // create request and set iteration invariants
            var request = new Amazon.IdentityManagement.Model.GetServiceLastAccessedDetailsRequest();
            
            if (cmdletContext.JobId != null)
            {
                request.JobId = cmdletContext.JobId;
            }
            if (cmdletContext.MaxItem != null)
            {
                request.MaxItems = cmdletContext.MaxItem.Value;
            }
            
            // Initialize loop variant and commence piping
            var _nextToken = cmdletContext.Marker;
            var _userControllingPaging = this.NoAutoIteration.IsPresent || ParameterWasBound(nameof(this.Marker));
            
            var client = Client ?? CreateClient(_CurrentCredentials, _RegionEndpoint);
            do
            {
                request.Marker = _nextToken;
                
                CmdletOutput output;
                
                try
                {
                    
                    var response = CallAWSServiceOperation(client, request);
                    
                    object pipelineOutput = null;
                    if (!useParameterSelect)
                    {
                        pipelineOutput = cmdletContext.Select(response, this);
                    }
                    output = new CmdletOutput
                    {
                        PipelineOutput = pipelineOutput,
                        ServiceResponse = response
                    };
                    
                    _nextToken = response.Marker;
                }
                catch (Exception e)
                {
                    output = new CmdletOutput { ErrorResponse = e };
                }
                
                ProcessOutput(output);
                
            } while (!_userControllingPaging && AutoIterationHelpers.HasValue(_nextToken));
            
            if (useParameterSelect)
            {
                WriteObject(cmdletContext.Select(null, this));
            }
            
            
            return null;
        }
        #else
        public object Execute(ExecutorContext context)
        {
            var cmdletContext = context as CmdletContext;
            // create request
            var request = new Amazon.IdentityManagement.Model.GetServiceLastAccessedDetailsRequest();
            
            if (cmdletContext.JobId != null)
            {
                request.JobId = cmdletContext.JobId;
            }
            if (cmdletContext.Marker != null)
            {
                request.Marker = cmdletContext.Marker;
            }
            if (cmdletContext.MaxItem != null)
            {
                request.MaxItems = cmdletContext.MaxItem.Value;
            }
            
            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;
        }
        #endif
        
        public ExecutorContext CreateContext()
        {
            return new CmdletContext();
        }
        
        #endregion
        
        #region AWS Service Operation Call
        
        private Amazon.IdentityManagement.Model.GetServiceLastAccessedDetailsResponse CallAWSServiceOperation(IAmazonIdentityManagementService client, Amazon.IdentityManagement.Model.GetServiceLastAccessedDetailsRequest request)
        {
            Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "AWS Identity and Access Management", "GetServiceLastAccessedDetails");
            try
            {
                #if DESKTOP
                return client.GetServiceLastAccessedDetails(request);
                #elif CORECLR
                return client.GetServiceLastAccessedDetailsAsync(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 JobId { get; set; }
            public System.String Marker { get; set; }
            public System.Int32? MaxItem { get; set; }
            public System.Func<Amazon.IdentityManagement.Model.GetServiceLastAccessedDetailsResponse, GetIAMServiceLastAccessedDetailCmdlet, object> Select { get; set; } =
                (response, cmdlet) => response;
        }
        
    }
}