/*******************************************************************************
 *  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.EC2;
using Amazon.EC2.Model;

namespace Amazon.PowerShell.Cmdlets.EC2
{
    /// <summary>
    /// Describes the events for the specified EC2 Fleet during the specified time.
    /// 
    ///  
    /// <para>
    /// EC2 Fleet events are delayed by up to 30 seconds before they can be described. This
    /// ensures that you can query by the last evaluated time and not miss a recorded event.
    /// EC2 Fleet events are available for 48 hours.
    /// </para><para>
    /// For more information, see <a href="https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/fleet-monitor.html">Monitor
    /// fleet events using Amazon EventBridge</a> in the <i>Amazon EC2 User Guide</i>.
    /// </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", "EC2FleetHistory")]
    [OutputType("Amazon.EC2.Model.HistoryRecordEntry")]
    [AWSCmdlet("Calls the Amazon Elastic Compute Cloud (EC2) DescribeFleetHistory API operation.", Operation = new[] {"DescribeFleetHistory"}, SelectReturnType = typeof(Amazon.EC2.Model.DescribeFleetHistoryResponse))]
    [AWSCmdletOutput("Amazon.EC2.Model.HistoryRecordEntry or Amazon.EC2.Model.DescribeFleetHistoryResponse",
        "This cmdlet returns a collection of Amazon.EC2.Model.HistoryRecordEntry objects.",
        "The service call response (type Amazon.EC2.Model.DescribeFleetHistoryResponse) can also be referenced from properties attached to the cmdlet entry in the $AWSHistory stack."
    )]
    public partial class GetEC2FleetHistoryCmdlet : AmazonEC2ClientCmdlet, IExecutor
    {
        
        #region Parameter EventType
        /// <summary>
        /// <para>
        /// <para>The type of events to describe. By default, all events are described.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        [AWSConstantClassSource("Amazon.EC2.FleetEventType")]
        public Amazon.EC2.FleetEventType EventType { get; set; }
        #endregion
        
        #region Parameter FleetId
        /// <summary>
        /// <para>
        /// <para>The ID of the EC2 Fleet.</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 FleetId { get; set; }
        #endregion
        
        #region Parameter UtcStartTime
        /// <summary>
        /// <para>
        /// <para>The start date and time for the events, in UTC format (for example, <i>YYYY</i>-<i>MM</i>-<i>DD</i>T<i>HH</i>:<i>MM</i>:<i>SS</i>Z).</para>
        /// </para>
        /// </summary>
        #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]
        public System.DateTime? UtcStartTime { get; set; }
        #endregion
        
        #region Parameter MaxResult
        /// <summary>
        /// <para>
        /// <para>The maximum number of items to return for this request. To get the next page of items,
        /// make another request with the token returned in the output. For more information,
        /// see <a href="https://docs.aws.amazon.com/AWSEC2/latest/APIReference/Query-Requests.html#api-pagination">Pagination</a>.</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>The token returned from a previous paginated request. Pagination continues from the
        /// end of the items returned by the previous request.</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 StartTime
        /// <summary>
        /// <para>
        /// <para>This property is deprecated. Setting this property results in non-UTC DateTimes not
        /// being marshalled correctly. Use StartTimeUtc instead. Setting either StartTime or
        /// StartTimeUtc results in both StartTime and StartTimeUtc being assigned, the latest
        /// assignment to either one of the two property is reflected in the value of both. StartTime
        /// is provided for backwards compatibility only and assigning a non-Utc DateTime to it
        /// results in the wrong timestamp being passed to the service.</para><para>The start date and time for the events, in UTC format (for example, <i>YYYY</i>-<i>MM</i>-<i>DD</i>T<i>HH</i>:<i>MM</i>:<i>SS</i>Z).</para>
        /// </para>
        /// <para>This parameter is deprecated.</para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        [System.ObsoleteAttribute("This parameter is deprecated and may result in the wrong timestamp being passed to the service, use UtcStartTime instead.")]
        public System.DateTime? StartTime { get; set; }
        #endregion
        
        #region Parameter Select
        /// <summary>
        /// Use the -Select parameter to control the cmdlet output. The default value is 'HistoryRecords'.
        /// Specifying -Select '*' will result in the cmdlet returning the whole service response (Amazon.EC2.Model.DescribeFleetHistoryResponse).
        /// Specifying the name of a property of type Amazon.EC2.Model.DescribeFleetHistoryResponse 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; } = "HistoryRecords";
        #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);
            
            if (ParameterWasBound(nameof(this.Select)))
            {
                context.Select = CreateSelectDelegate<Amazon.EC2.Model.DescribeFleetHistoryResponse, GetEC2FleetHistoryCmdlet>(Select) ??
                    throw new System.ArgumentException("Invalid value for -Select parameter.", nameof(this.Select));
            }
            context.EventType = this.EventType;
            context.FleetId = this.FleetId;
            #if MODULAR
            if (this.FleetId == null && ParameterWasBound(nameof(this.FleetId)))
            {
                WriteWarning("You are passing $null as a value for parameter FleetId 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.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.UtcStartTime = this.UtcStartTime;
            #if MODULAR
            if (this.UtcStartTime == null && ParameterWasBound(nameof(this.UtcStartTime)))
            {
                WriteWarning("You are passing $null as a value for parameter UtcStartTime 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
            #pragma warning disable CS0618, CS0612 //A class member was marked with the Obsolete attribute
            context.StartTime = this.StartTime;
            #pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
            
            // 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;
            var useParameterSelect = this.Select.StartsWith("^");
            
            // create request and set iteration invariants
            var request = new Amazon.EC2.Model.DescribeFleetHistoryRequest();
            
            if (cmdletContext.EventType != null)
            {
                request.EventType = cmdletContext.EventType;
            }
            if (cmdletContext.FleetId != null)
            {
                request.FleetId = cmdletContext.FleetId;
            }
            if (cmdletContext.MaxResult != null)
            {
                request.MaxResults = AutoIterationHelpers.ConvertEmitLimitToServiceTypeInt32(cmdletContext.MaxResult.Value);
            }
            if (cmdletContext.UtcStartTime != null)
            {
                request.StartTimeUtc = cmdletContext.UtcStartTime.Value;
            }
            #pragma warning disable CS0618, CS0612 //A class member was marked with the Obsolete attribute
            if (cmdletContext.StartTime != null)
            {
                if (cmdletContext.UtcStartTime != null)
                {
                    throw new System.ArgumentException("Parameters StartTime and UtcStartTime are mutually exclusive.", nameof(this.StartTime));
                }
                request.StartTime = cmdletContext.StartTime.Value;
            }
            #pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
            
            // 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("^");
            
            // create request and set iteration invariants
            var request = new Amazon.EC2.Model.DescribeFleetHistoryRequest();
            if (cmdletContext.EventType != null)
            {
                request.EventType = cmdletContext.EventType;
            }
            if (cmdletContext.FleetId != null)
            {
                request.FleetId = cmdletContext.FleetId;
            }
            if (cmdletContext.UtcStartTime != null)
            {
                request.StartTimeUtc = cmdletContext.UtcStartTime.Value;
            }
            #pragma warning disable CS0618, CS0612 //A class member was marked with the Obsolete attribute
            if (cmdletContext.StartTime != null)
            {
                if (cmdletContext.UtcStartTime != null)
                {
                    throw new System.ArgumentException("Parameters StartTime and UtcStartTime are mutually exclusive.", nameof(this.StartTime));
                }
                request.StartTime = cmdletContext.StartTime.Value;
            }
            #pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
            
            // 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)
            {
                _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)
                {
                    request.MaxResults = AutoIterationHelpers.ConvertEmitLimitToInt32(_emitLimit.Value);
                }
                
                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.HistoryRecords.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.EC2.Model.DescribeFleetHistoryResponse CallAWSServiceOperation(IAmazonEC2 client, Amazon.EC2.Model.DescribeFleetHistoryRequest request)
        {
            Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "Amazon Elastic Compute Cloud (EC2)", "DescribeFleetHistory");
            try
            {
                #if DESKTOP
                return client.DescribeFleetHistory(request);
                #elif CORECLR
                return client.DescribeFleetHistoryAsync(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 Amazon.EC2.FleetEventType EventType { get; set; }
            public System.String FleetId { get; set; }
            public int? MaxResult { get; set; }
            public System.String NextToken { get; set; }
            public System.DateTime? UtcStartTime { get; set; }
            [System.ObsoleteAttribute]
            public System.DateTime? StartTime { get; set; }
            public System.Func<Amazon.EC2.Model.DescribeFleetHistoryResponse, GetEC2FleetHistoryCmdlet, object> Select { get; set; } =
                (response, cmdlet) => response.HistoryRecords;
        }
        
    }
}