/*******************************************************************************
 *  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.ElasticBeanstalk;
using Amazon.ElasticBeanstalk.Model;

namespace Amazon.PowerShell.Cmdlets.EB
{
    /// <summary>
    /// Create or update a group of environments that each run a separate component of a single
    /// application. Takes a list of version labels that specify application source bundles
    /// for each of the environments to create or update. The name of each environment and
    /// other required information must be included in the source bundles in an environment
    /// manifest named <code>env.yaml</code>. See <a href="https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/environment-mgmt-compose.html">Compose
    /// Environments</a> for details.
    /// </summary>
    [Cmdlet("Group", "EBEnvironment", SupportsShouldProcess = true, ConfirmImpact = ConfirmImpact.Medium)]
    [OutputType("Amazon.ElasticBeanstalk.Model.EnvironmentDescription")]
    [AWSCmdlet("Calls the AWS Elastic Beanstalk ComposeEnvironments API operation.", Operation = new[] {"ComposeEnvironments"}, SelectReturnType = typeof(Amazon.ElasticBeanstalk.Model.ComposeEnvironmentsResponse))]
    [AWSCmdletOutput("Amazon.ElasticBeanstalk.Model.EnvironmentDescription or Amazon.ElasticBeanstalk.Model.ComposeEnvironmentsResponse",
        "This cmdlet returns a collection of Amazon.ElasticBeanstalk.Model.EnvironmentDescription objects.",
        "The service call response (type Amazon.ElasticBeanstalk.Model.ComposeEnvironmentsResponse) can also be referenced from properties attached to the cmdlet entry in the $AWSHistory stack."
    )]
    public partial class GroupEBEnvironmentCmdlet : AmazonElasticBeanstalkClientCmdlet, IExecutor
    {
        
        #region Parameter ApplicationName
        /// <summary>
        /// <para>
        /// <para>The name of the application to which the specified source bundles belong.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(Position = 0, ValueFromPipelineByPropertyName = true, ValueFromPipeline = true)]
        public System.String ApplicationName { get; set; }
        #endregion
        
        #region Parameter GroupName
        /// <summary>
        /// <para>
        /// <para>The name of the group to which the target environments belong. Specify a group name
        /// only if the environment name defined in each target environment's manifest ends with
        /// a + (plus) character. See <a href="https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/environment-cfg-manifest.html">Environment
        /// Manifest (env.yaml)</a> for details.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public System.String GroupName { get; set; }
        #endregion
        
        #region Parameter VersionLabel
        /// <summary>
        /// <para>
        /// <para>A list of version labels, specifying one or more application source bundles that belong
        /// to the target application. Each source bundle must include an environment manifest
        /// that specifies the name of the environment and the name of the solution stack to use,
        /// and optionally can specify environment links to create.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        [Alias("VersionLabels")]
        public System.String[] VersionLabel { get; set; }
        #endregion
        
        #region Parameter Select
        /// <summary>
        /// Use the -Select parameter to control the cmdlet output. The default value is 'Environments'.
        /// Specifying -Select '*' will result in the cmdlet returning the whole service response (Amazon.ElasticBeanstalk.Model.ComposeEnvironmentsResponse).
        /// Specifying the name of a property of type Amazon.ElasticBeanstalk.Model.ComposeEnvironmentsResponse 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; } = "Environments";
        #endregion
        
        #region Parameter PassThru
        /// <summary>
        /// Changes the cmdlet behavior to return the value passed to the ApplicationName parameter.
        /// The -PassThru parameter is deprecated, use -Select '^ApplicationName' instead. This parameter will be removed in a future version.
        /// </summary>
        [System.Obsolete("The -PassThru parameter is deprecated, use -Select '^ApplicationName' 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.ApplicationName), MyInvocation.BoundParameters);
            if (!ConfirmShouldProceed(this.Force.IsPresent, resourceIdentifiersText, "Group-EBEnvironment (ComposeEnvironments)"))
            {
                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.ElasticBeanstalk.Model.ComposeEnvironmentsResponse, GroupEBEnvironmentCmdlet>(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.ApplicationName;
            }
            #pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
            context.ApplicationName = this.ApplicationName;
            context.GroupName = this.GroupName;
            if (this.VersionLabel != null)
            {
                context.VersionLabel = new List<System.String>(this.VersionLabel);
            }
            
            // 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.ElasticBeanstalk.Model.ComposeEnvironmentsRequest();
            
            if (cmdletContext.ApplicationName != null)
            {
                request.ApplicationName = cmdletContext.ApplicationName;
            }
            if (cmdletContext.GroupName != null)
            {
                request.GroupName = cmdletContext.GroupName;
            }
            if (cmdletContext.VersionLabel != null)
            {
                request.VersionLabels = cmdletContext.VersionLabel;
            }
            
            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.ElasticBeanstalk.Model.ComposeEnvironmentsResponse CallAWSServiceOperation(IAmazonElasticBeanstalk client, Amazon.ElasticBeanstalk.Model.ComposeEnvironmentsRequest request)
        {
            Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "AWS Elastic Beanstalk", "ComposeEnvironments");
            try
            {
                #if DESKTOP
                return client.ComposeEnvironments(request);
                #elif CORECLR
                return client.ComposeEnvironmentsAsync(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 ApplicationName { get; set; }
            public System.String GroupName { get; set; }
            public List<System.String> VersionLabel { get; set; }
            public System.Func<Amazon.ElasticBeanstalk.Model.ComposeEnvironmentsResponse, GroupEBEnvironmentCmdlet, object> Select { get; set; } =
                (response, cmdlet) => response.Environments;
        }
        
    }
}