/*******************************************************************************
 *  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.SecretsManager;
using Amazon.SecretsManager.Model;

namespace Amazon.PowerShell.Cmdlets.SEC
{
    /// <summary>
    /// Lists the secrets that are stored by Secrets Manager in the Amazon Web Services account,
    /// not including secrets that are marked for deletion. To see secrets marked for deletion,
    /// use the Secrets Manager console.
    /// 
    ///  
    /// <para>
    /// ListSecrets is eventually consistent, however it might not reflect changes from the
    /// last five minutes. To get the latest information for a specific secret, use <a>DescribeSecret</a>.
    /// </para><para>
    /// To list the versions of a secret, use <a>ListSecretVersionIds</a>.
    /// </para><para>
    /// To get the secret value from <code>SecretString</code> or <code>SecretBinary</code>,
    /// call <a>GetSecretValue</a>.
    /// </para><para>
    /// For information about finding secrets in the console, see <a href="https://docs.aws.amazon.com/secretsmanager/latest/userguide/manage_search-secret.html">Find
    /// secrets in Secrets Manager</a>.
    /// </para><para>
    /// Secrets Manager generates a CloudTrail log entry when you call this action. Do not
    /// include sensitive information in request parameters because it might be logged. For
    /// more information, see <a href="https://docs.aws.amazon.com/secretsmanager/latest/userguide/retrieve-ct-entries.html">Logging
    /// Secrets Manager events with CloudTrail</a>.
    /// </para><para><b>Required permissions: </b><code>secretsmanager:ListSecrets</code>. For more information,
    /// see <a href="https://docs.aws.amazon.com/secretsmanager/latest/userguide/reference_iam-permissions.html#reference_iam-permissions_actions">
    /// IAM policy actions for Secrets Manager</a> and <a href="https://docs.aws.amazon.com/secretsmanager/latest/userguide/auth-and-access.html">Authentication
    /// and access control in Secrets Manager</a>. 
    /// </para><br/><br/>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", "SECSecretList")]
    [OutputType("Amazon.SecretsManager.Model.SecretListEntry")]
    [AWSCmdlet("Calls the AWS Secrets Manager ListSecrets API operation.", Operation = new[] {"ListSecrets"}, SelectReturnType = typeof(Amazon.SecretsManager.Model.ListSecretsResponse))]
    [AWSCmdletOutput("Amazon.SecretsManager.Model.SecretListEntry or Amazon.SecretsManager.Model.ListSecretsResponse",
        "This cmdlet returns a collection of Amazon.SecretsManager.Model.SecretListEntry objects.",
        "The service call response (type Amazon.SecretsManager.Model.ListSecretsResponse) can also be referenced from properties attached to the cmdlet entry in the $AWSHistory stack."
    )]
    public partial class GetSECSecretListCmdlet : AmazonSecretsManagerClientCmdlet, IExecutor
    {
        
        #region Parameter Filter
        /// <summary>
        /// <para>
        /// <para>The filters to apply to the list of secrets.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        [Alias("Filters")]
        public Amazon.SecretsManager.Model.Filter[] Filter { get; set; }
        #endregion
        
        #region Parameter IncludePlannedDeletion
        /// <summary>
        /// <para>
        /// <para>Specifies whether to include secrets scheduled for deletion. By default, secrets scheduled
        /// for deletion aren't included.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public System.Boolean? IncludePlannedDeletion { get; set; }
        #endregion
        
        #region Parameter SortOrder
        /// <summary>
        /// <para>
        /// <para>Secrets are listed by <code>CreatedDate</code>. </para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(Position = 0, ValueFromPipelineByPropertyName = true, ValueFromPipeline = true)]
        [AWSConstantClassSource("Amazon.SecretsManager.SortOrderType")]
        public Amazon.SecretsManager.SortOrderType SortOrder { get; set; }
        #endregion
        
        #region Parameter MaxResult
        /// <summary>
        /// <para>
        /// <para>The number of results to include in the response.</para><para>If there are more results available, in the response, Secrets Manager includes <code>NextToken</code>.
        /// To get the next results, call <code>ListSecrets</code> again with the value from <code>NextToken</code>.</para>
        /// </para>
        /// <para>
        /// <br/><b>Note:</b> In AWSPowerShell and AWSPowerShell.NetCore this parameter is used to limit the total number of items returned by the cmdlet.
        /// <br/>In AWS.Tools this parameter is simply passed to the service to specify how many items should be returned by each service call.
        /// <br/>Pipe the output of this cmdlet into Select-Object -First to terminate retrieving data pages early and control the number of items returned.
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        [Alias("MaxItems","MaxResults")]
        public int? MaxResult { get; set; }
        #endregion
        
        #region Parameter NextToken
        /// <summary>
        /// <para>
        /// <para>A token that indicates where the output should continue from, if a previous call did
        /// not show all results. To get the next results, call <code>ListSecrets</code> again
        /// with this value.</para>
        /// </para>
        /// <para>
        /// <br/><b>Note:</b> 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 '-NextToken $null' for the first call and '-NextToken $AWSHistory.LastServiceResponse.NextToken' for subsequent calls.
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public System.String NextToken { get; set; }
        #endregion
        
        #region Parameter Select
        /// <summary>
        /// Use the -Select parameter to control the cmdlet output. The default value is 'SecretList'.
        /// Specifying -Select '*' will result in the cmdlet returning the whole service response (Amazon.SecretsManager.Model.ListSecretsResponse).
        /// Specifying the name of a property of type Amazon.SecretsManager.Model.ListSecretsResponse 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; } = "SecretList";
        #endregion
        
        #region Parameter PassThru
        /// <summary>
        /// Changes the cmdlet behavior to return the value passed to the SortOrder parameter.
        /// The -PassThru parameter is deprecated, use -Select '^SortOrder' instead. This parameter will be removed in a future version.
        /// </summary>
        [System.Obsolete("The -PassThru parameter is deprecated, use -Select '^SortOrder' 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
        /// <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 NextToken
        /// as the start point.
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public SwitchParameter NoAutoIteration { get; set; }
        #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.SecretsManager.Model.ListSecretsResponse, GetSECSecretListCmdlet>(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.SortOrder;
            }
            #pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
            if (this.Filter != null)
            {
                context.Filter = new List<Amazon.SecretsManager.Model.Filter>(this.Filter);
            }
            context.IncludePlannedDeletion = this.IncludePlannedDeletion;
            context.MaxResult = this.MaxResult;
            #if !MODULAR
            if (ParameterWasBound(nameof(this.MaxResult)) && this.MaxResult.HasValue)
            {
                WriteWarning("AWSPowerShell and AWSPowerShell.NetCore use the MaxResult parameter to limit the total number of items returned by the cmdlet." +
                    " This behavior is obsolete and will be removed in a future version of these modules. Pipe the output of this cmdlet into Select-Object -First to terminate" +
                    " retrieving data pages early and control the number of items returned. AWS.Tools already implements the new behavior of simply passing MaxResult" +
                    " to the service to specify how many items should be returned by each service call.");
            }
            #endif
            context.NextToken = this.NextToken;
            context.SortOrder = this.SortOrder;
            
            // 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.SecretsManager.Model.ListSecretsRequest();
            
            if (cmdletContext.Filter != null)
            {
                request.Filters = cmdletContext.Filter;
            }
            if (cmdletContext.IncludePlannedDeletion != null)
            {
                request.IncludePlannedDeletion = cmdletContext.IncludePlannedDeletion.Value;
            }
            if (cmdletContext.MaxResult != null)
            {
                request.MaxResults = AutoIterationHelpers.ConvertEmitLimitToServiceTypeInt32(cmdletContext.MaxResult.Value);
            }
            if (cmdletContext.SortOrder != null)
            {
                request.SortOrder = cmdletContext.SortOrder;
            }
            
            // Initialize loop variant and commence piping
            var _nextToken = cmdletContext.NextToken;
            var _userControllingPaging = this.NoAutoIteration.IsPresent || ParameterWasBound(nameof(this.NextToken));
            
            var client = Client ?? CreateClient(_CurrentCredentials, _RegionEndpoint);
            do
            {
                request.NextToken = _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.NextToken;
                }
                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;
            var useParameterSelect = this.Select.StartsWith("^") || this.PassThru.IsPresent;
            
            // create request and set iteration invariants
            var request = new Amazon.SecretsManager.Model.ListSecretsRequest();
            if (cmdletContext.Filter != null)
            {
                request.Filters = cmdletContext.Filter;
            }
            if (cmdletContext.IncludePlannedDeletion != null)
            {
                request.IncludePlannedDeletion = cmdletContext.IncludePlannedDeletion.Value;
            }
            if (cmdletContext.SortOrder != null)
            {
                request.SortOrder = cmdletContext.SortOrder;
            }
            
            // Initialize loop variants and commence piping
            System.String _nextToken = null;
            int? _emitLimit = null;
            int _retrievedSoFar = 0;
            if (AutoIterationHelpers.HasValue(cmdletContext.NextToken))
            {
                _nextToken = cmdletContext.NextToken;
            }
            if (cmdletContext.MaxResult.HasValue)
            {
                // The service has a maximum page size of 100. If the user has
                // asked for more items than page max, and there is no page size
                // configured, we rely on the service ignoring the set maximum
                // and giving us 100 items back. If a page size is set, that will
                // be used to configure the pagination.
                // We'll make further calls to satisfy the user's request.
                _emitLimit = cmdletContext.MaxResult;
            }
            var _userControllingPaging = this.NoAutoIteration.IsPresent || ParameterWasBound(nameof(this.NextToken));
            
            var client = Client ?? CreateClient(_CurrentCredentials, _RegionEndpoint);
            do
            {
                request.NextToken = _nextToken;
                if (_emitLimit.HasValue)
                {
                    int correctPageSize = Math.Min(100, _emitLimit.Value);
                    request.MaxResults = AutoIterationHelpers.ConvertEmitLimitToInt32(correctPageSize);
                }
                
                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
                    };
                    int _receivedThisCall = response.SecretList.Count;
                    
                    _nextToken = response.NextToken;
                    _retrievedSoFar += _receivedThisCall;
                    if (_emitLimit.HasValue)
                    {
                        _emitLimit -= _receivedThisCall;
                    }
                }
                catch (Exception e)
                {
                    if (_retrievedSoFar == 0 || !_emitLimit.HasValue)
                    {
                        output = new CmdletOutput { ErrorResponse = e };
                    }
                    else
                    {
                        break;
                    }
                }
                
                ProcessOutput(output);
            } while (!_userControllingPaging && AutoIterationHelpers.HasValue(_nextToken) && (!_emitLimit.HasValue || _emitLimit.Value >= 1));
            
            
            if (useParameterSelect)
            {
                WriteObject(cmdletContext.Select(null, this));
            }
            
            
            return null;
        }
        #endif
        
        public ExecutorContext CreateContext()
        {
            return new CmdletContext();
        }
        
        #endregion
        
        #region AWS Service Operation Call
        
        private Amazon.SecretsManager.Model.ListSecretsResponse CallAWSServiceOperation(IAmazonSecretsManager client, Amazon.SecretsManager.Model.ListSecretsRequest request)
        {
            Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "AWS Secrets Manager", "ListSecrets");
            try
            {
                #if DESKTOP
                return client.ListSecrets(request);
                #elif CORECLR
                return client.ListSecretsAsync(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 List<Amazon.SecretsManager.Model.Filter> Filter { get; set; }
            public System.Boolean? IncludePlannedDeletion { get; set; }
            public int? MaxResult { get; set; }
            public System.String NextToken { get; set; }
            public Amazon.SecretsManager.SortOrderType SortOrder { get; set; }
            public System.Func<Amazon.SecretsManager.Model.ListSecretsResponse, GetSECSecretListCmdlet, object> Select { get; set; } =
                (response, cmdlet) => response.SecretList;
        }
        
    }
}