/*******************************************************************************
 *  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.GameLift;
using Amazon.GameLift.Model;

namespace Amazon.PowerShell.Cmdlets.GML
{
    /// <summary>
    /// Creates an alias for a fleet. In most situations, you can use an alias ID in place
    /// of a fleet ID. An alias provides a level of abstraction for a fleet that is useful
    /// when redirecting player traffic from one fleet to another, such as when updating your
    /// game build. 
    /// 
    ///  
    /// <para>
    /// Amazon GameLift supports two types of routing strategies for aliases: simple and terminal.
    /// A simple alias points to an active fleet. A terminal alias is used to display messaging
    /// or link to a URL instead of routing players to an active fleet. For example, you might
    /// use a terminal alias when a game version is no longer supported and you want to direct
    /// players to an upgrade site. 
    /// </para><para>
    /// To create a fleet alias, specify an alias name, routing strategy, and optional description.
    /// Each simple alias can point to only one fleet, but a fleet can have multiple aliases.
    /// If successful, a new alias record is returned, including an alias ID and an ARN. You
    /// can reassign an alias to another fleet by calling <code>UpdateAlias</code>.
    /// </para><para><b>Related actions</b></para><para><a href="https://docs.aws.amazon.com/gamelift/latest/developerguide/reference-awssdk.html#reference-awssdk-resources-fleets">All
    /// APIs by task</a></para>
    /// </summary>
    [Cmdlet("New", "GMLAlias", SupportsShouldProcess = true, ConfirmImpact = ConfirmImpact.Medium)]
    [OutputType("Amazon.GameLift.Model.Alias")]
    [AWSCmdlet("Calls the Amazon GameLift Service CreateAlias API operation.", Operation = new[] {"CreateAlias"}, SelectReturnType = typeof(Amazon.GameLift.Model.CreateAliasResponse))]
    [AWSCmdletOutput("Amazon.GameLift.Model.Alias or Amazon.GameLift.Model.CreateAliasResponse",
        "This cmdlet returns an Amazon.GameLift.Model.Alias object.",
        "The service call response (type Amazon.GameLift.Model.CreateAliasResponse) can also be referenced from properties attached to the cmdlet entry in the $AWSHistory stack."
    )]
    public partial class NewGMLAliasCmdlet : AmazonGameLiftClientCmdlet, IExecutor
    {
        
        #region Parameter Description
        /// <summary>
        /// <para>
        /// <para>A human-readable description of the alias.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public System.String Description { get; set; }
        #endregion
        
        #region Parameter RoutingStrategy_FleetId
        /// <summary>
        /// <para>
        /// <para>A unique identifier for the fleet that the alias points to. This value is the fleet
        /// ID, not the fleet ARN.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public System.String RoutingStrategy_FleetId { get; set; }
        #endregion
        
        #region Parameter RoutingStrategy_Message
        /// <summary>
        /// <para>
        /// <para>The message text to be used with a terminal routing strategy.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public System.String RoutingStrategy_Message { get; set; }
        #endregion
        
        #region Parameter Name
        /// <summary>
        /// <para>
        /// <para>A descriptive label that is associated with an alias. Alias names do not need to be
        /// unique.</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 Tag
        /// <summary>
        /// <para>
        /// <para>A list of labels to assign to the new alias resource. Tags are developer-defined key-value
        /// pairs. Tagging Amazon Web Services resources are useful for resource management, access
        /// management and cost allocation. For more information, see <a href="https://docs.aws.amazon.com/general/latest/gr/aws_tagging.html">
        /// Tagging Amazon Web Services Resources</a> in the <i>Amazon Web Services General Reference</i>.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        [Alias("Tags")]
        public Amazon.GameLift.Model.Tag[] Tag { get; set; }
        #endregion
        
        #region Parameter RoutingStrategy_Type
        /// <summary>
        /// <para>
        /// <para>The type of routing strategy for the alias.</para><para>Possible routing types include the following:</para><ul><li><para><b>SIMPLE</b> - The alias resolves to one specific fleet. Use this type when routing
        /// to active fleets.</para></li><li><para><b>TERMINAL</b> - The alias does not resolve to a fleet but instead can be used to
        /// display a message to the user. A terminal alias throws a TerminalRoutingStrategyException
        /// with the message embedded.</para></li></ul>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        [AWSConstantClassSource("Amazon.GameLift.RoutingStrategyType")]
        public Amazon.GameLift.RoutingStrategyType RoutingStrategy_Type { get; set; }
        #endregion
        
        #region Parameter Select
        /// <summary>
        /// Use the -Select parameter to control the cmdlet output. The default value is 'Alias'.
        /// Specifying -Select '*' will result in the cmdlet returning the whole service response (Amazon.GameLift.Model.CreateAliasResponse).
        /// Specifying the name of a property of type Amazon.GameLift.Model.CreateAliasResponse 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; } = "Alias";
        #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-GMLAlias (CreateAlias)"))
            {
                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.GameLift.Model.CreateAliasResponse, NewGMLAliasCmdlet>(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.Description = this.Description;
            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.RoutingStrategy_FleetId = this.RoutingStrategy_FleetId;
            context.RoutingStrategy_Message = this.RoutingStrategy_Message;
            context.RoutingStrategy_Type = this.RoutingStrategy_Type;
            if (this.Tag != null)
            {
                context.Tag = new List<Amazon.GameLift.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.GameLift.Model.CreateAliasRequest();
            
            if (cmdletContext.Description != null)
            {
                request.Description = cmdletContext.Description;
            }
            if (cmdletContext.Name != null)
            {
                request.Name = cmdletContext.Name;
            }
            
             // populate RoutingStrategy
            var requestRoutingStrategyIsNull = true;
            request.RoutingStrategy = new Amazon.GameLift.Model.RoutingStrategy();
            System.String requestRoutingStrategy_routingStrategy_FleetId = null;
            if (cmdletContext.RoutingStrategy_FleetId != null)
            {
                requestRoutingStrategy_routingStrategy_FleetId = cmdletContext.RoutingStrategy_FleetId;
            }
            if (requestRoutingStrategy_routingStrategy_FleetId != null)
            {
                request.RoutingStrategy.FleetId = requestRoutingStrategy_routingStrategy_FleetId;
                requestRoutingStrategyIsNull = false;
            }
            System.String requestRoutingStrategy_routingStrategy_Message = null;
            if (cmdletContext.RoutingStrategy_Message != null)
            {
                requestRoutingStrategy_routingStrategy_Message = cmdletContext.RoutingStrategy_Message;
            }
            if (requestRoutingStrategy_routingStrategy_Message != null)
            {
                request.RoutingStrategy.Message = requestRoutingStrategy_routingStrategy_Message;
                requestRoutingStrategyIsNull = false;
            }
            Amazon.GameLift.RoutingStrategyType requestRoutingStrategy_routingStrategy_Type = null;
            if (cmdletContext.RoutingStrategy_Type != null)
            {
                requestRoutingStrategy_routingStrategy_Type = cmdletContext.RoutingStrategy_Type;
            }
            if (requestRoutingStrategy_routingStrategy_Type != null)
            {
                request.RoutingStrategy.Type = requestRoutingStrategy_routingStrategy_Type;
                requestRoutingStrategyIsNull = false;
            }
             // determine if request.RoutingStrategy should be set to null
            if (requestRoutingStrategyIsNull)
            {
                request.RoutingStrategy = null;
            }
            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.GameLift.Model.CreateAliasResponse CallAWSServiceOperation(IAmazonGameLift client, Amazon.GameLift.Model.CreateAliasRequest request)
        {
            Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "Amazon GameLift Service", "CreateAlias");
            try
            {
                #if DESKTOP
                return client.CreateAlias(request);
                #elif CORECLR
                return client.CreateAliasAsync(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 Description { get; set; }
            public System.String Name { get; set; }
            public System.String RoutingStrategy_FleetId { get; set; }
            public System.String RoutingStrategy_Message { get; set; }
            public Amazon.GameLift.RoutingStrategyType RoutingStrategy_Type { get; set; }
            public List<Amazon.GameLift.Model.Tag> Tag { get; set; }
            public System.Func<Amazon.GameLift.Model.CreateAliasResponse, NewGMLAliasCmdlet, object> Select { get; set; } =
                (response, cmdlet) => response.Alias;
        }
        
    }
}