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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.
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 *
 *  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.CloudWatchLogs;
using Amazon.CloudWatchLogs.Model;

namespace Amazon.PowerShell.Cmdlets.CWL
{
    /// <summary>
    /// Creates or updates a resource policy allowing other Amazon Web Services services to
    /// put log events to this account, such as Amazon Route 53. An account can have up to
    /// 10 resource policies per Amazon Web Services Region.
    /// </summary>
    [Cmdlet("Write", "CWLResourcePolicy", SupportsShouldProcess = true, ConfirmImpact = ConfirmImpact.Medium)]
    [OutputType("Amazon.CloudWatchLogs.Model.ResourcePolicy")]
    [AWSCmdlet("Calls the Amazon CloudWatch Logs PutResourcePolicy API operation.", Operation = new[] {"PutResourcePolicy"}, SelectReturnType = typeof(Amazon.CloudWatchLogs.Model.PutResourcePolicyResponse))]
    [AWSCmdletOutput("Amazon.CloudWatchLogs.Model.ResourcePolicy or Amazon.CloudWatchLogs.Model.PutResourcePolicyResponse",
        "This cmdlet returns an Amazon.CloudWatchLogs.Model.ResourcePolicy object.",
        "The service call response (type Amazon.CloudWatchLogs.Model.PutResourcePolicyResponse) can also be referenced from properties attached to the cmdlet entry in the $AWSHistory stack."
    )]
    public partial class WriteCWLResourcePolicyCmdlet : AmazonCloudWatchLogsClientCmdlet, IExecutor
    {
        
        #region Parameter PolicyDocument
        /// <summary>
        /// <para>
        /// <para>Details of the new policy, including the identity of the principal that is enabled
        /// to put logs to this account. This is formatted as a JSON string. This parameter is
        /// required.</para><para>The following example creates a resource policy enabling the Route 53 service to put
        /// DNS query logs in to the specified log group. Replace <code>"logArn"</code> with the
        /// ARN of your CloudWatch Logs resource, such as a log group or log stream.</para><para>CloudWatch Logs also supports <a href="https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_condition-keys.html#condition-keys-sourcearn">aws:SourceArn</a>
        /// and <a href="https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_condition-keys.html#condition-keys-sourceaccount">aws:SourceAccount</a>
        /// condition context keys.</para><para>In the example resource policy, you would replace the value of <code>SourceArn</code>
        /// with the resource making the call from Route 53 to CloudWatch Logs. You would also
        /// replace the value of <code>SourceAccount</code> with the Amazon Web Services account
        /// ID making that call.</para><para><code>{ "Version": "2012-10-17", "Statement": [ { "Sid": "Route53LogsToCloudWatchLogs",
        /// "Effect": "Allow", "Principal": { "Service": [ "route53.amazonaws.com" ] }, "Action":
        /// "logs:PutLogEvents", "Resource": "logArn", "Condition": { "ArnLike": { "aws:SourceArn":
        /// "myRoute53ResourceArn" }, "StringEquals": { "aws:SourceAccount": "myAwsAccountId"
        /// } } } ] }</code></para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(ValueFromPipelineByPropertyName = true)]
        public System.String PolicyDocument { get; set; }
        #endregion
        
        #region Parameter PolicyName
        /// <summary>
        /// <para>
        /// <para>Name of the new policy. This parameter is required.</para>
        /// </para>
        /// </summary>
        [System.Management.Automation.Parameter(Position = 0, ValueFromPipelineByPropertyName = true, ValueFromPipeline = true)]
        public System.String PolicyName { get; set; }
        #endregion
        
        #region Parameter Select
        /// <summary>
        /// Use the -Select parameter to control the cmdlet output. The default value is 'ResourcePolicy'.
        /// Specifying -Select '*' will result in the cmdlet returning the whole service response (Amazon.CloudWatchLogs.Model.PutResourcePolicyResponse).
        /// Specifying the name of a property of type Amazon.CloudWatchLogs.Model.PutResourcePolicyResponse 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; } = "ResourcePolicy";
        #endregion
        
        #region Parameter PassThru
        /// <summary>
        /// Changes the cmdlet behavior to return the value passed to the PolicyName parameter.
        /// The -PassThru parameter is deprecated, use -Select '^PolicyName' instead. This parameter will be removed in a future version.
        /// </summary>
        [System.Obsolete("The -PassThru parameter is deprecated, use -Select '^PolicyName' 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.PolicyName), MyInvocation.BoundParameters);
            if (!ConfirmShouldProceed(this.Force.IsPresent, resourceIdentifiersText, "Write-CWLResourcePolicy (PutResourcePolicy)"))
            {
                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.CloudWatchLogs.Model.PutResourcePolicyResponse, WriteCWLResourcePolicyCmdlet>(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.PolicyName;
            }
            #pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
            context.PolicyDocument = this.PolicyDocument;
            context.PolicyName = this.PolicyName;
            
            // 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.CloudWatchLogs.Model.PutResourcePolicyRequest();
            
            if (cmdletContext.PolicyDocument != null)
            {
                request.PolicyDocument = cmdletContext.PolicyDocument;
            }
            if (cmdletContext.PolicyName != null)
            {
                request.PolicyName = cmdletContext.PolicyName;
            }
            
            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.CloudWatchLogs.Model.PutResourcePolicyResponse CallAWSServiceOperation(IAmazonCloudWatchLogs client, Amazon.CloudWatchLogs.Model.PutResourcePolicyRequest request)
        {
            Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "Amazon CloudWatch Logs", "PutResourcePolicy");
            try
            {
                #if DESKTOP
                return client.PutResourcePolicy(request);
                #elif CORECLR
                return client.PutResourcePolicyAsync(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 PolicyDocument { get; set; }
            public System.String PolicyName { get; set; }
            public System.Func<Amazon.CloudWatchLogs.Model.PutResourcePolicyResponse, WriteCWLResourcePolicyCmdlet, object> Select { get; set; } =
                (response, cmdlet) => response.ResourcePolicy;
        }
        
    }
}