/*******************************************************************************
 *  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.Organizations;
using Amazon.Organizations.Model;

namespace Amazon.PowerShell.Cmdlets.ORG
{
    /// <summary>
    /// Detaches a policy from a target root, organizational unit (OU), or account.
    /// 
    ///  <important><para>
    /// If the policy being detached is a service control policy (SCP), the changes to permissions
    /// for Identity and Access Management (IAM) users and roles in affected accounts are
    /// immediate.
    /// </para></important><para>
    /// Every root, OU, and account must have at least one SCP attached. If you want to replace
    /// the default <code>FullAWSAccess</code> policy with an SCP that limits the permissions
    /// that can be delegated, you must attach the replacement SCP before you can remove the
    /// default SCP. This is the authorization strategy of an "<a href="https://docs.aws.amazon.com/organizations/latest/userguide/SCP_strategies.html#orgs_policies_allowlist">allow
    /// list</a>". If you instead attach a second SCP and leave the <code>FullAWSAccess</code>
    /// SCP still attached, and specify <code>"Effect": "Deny"</code> in the second SCP to
    /// override the <code>"Effect": "Allow"</code> in the <code>FullAWSAccess</code> policy
    /// (or any other attached SCP), you're using the authorization strategy of a "<a href="https://docs.aws.amazon.com/organizations/latest/userguide/SCP_strategies.html#orgs_policies_denylist">deny
    /// list</a>".
    /// </para><para>
    /// This operation can be called only from the organization's management account.
    /// </para>
    /// </summary>
    [Cmdlet("Dismount", "ORGPolicy", SupportsShouldProcess = true, ConfirmImpact = ConfirmImpact.Medium)]
    [OutputType("None")]
    [AWSCmdlet("Calls the AWS Organizations DetachPolicy API operation.", Operation = new[] {"DetachPolicy"}, SelectReturnType = typeof(Amazon.Organizations.Model.DetachPolicyResponse))]
    [AWSCmdletOutput("None or Amazon.Organizations.Model.DetachPolicyResponse",
        "This cmdlet does not generate any output." +
        "The service response (type Amazon.Organizations.Model.DetachPolicyResponse) can be referenced from properties attached to the cmdlet entry in the $AWSHistory stack."
    )]
    public partial class DismountORGPolicyCmdlet : AmazonOrganizationsClientCmdlet, IExecutor
    {
        
        #region Parameter PolicyId
        /// <summary>
        /// <para>
        /// <para>The unique identifier (ID) of the policy you want to detach. You can get the ID from
        /// the <a>ListPolicies</a> or <a>ListPoliciesForTarget</a> operations.</para><para>The <a href="http://wikipedia.org/wiki/regex">regex pattern</a> for a policy ID string
        /// requires "p-" followed by from 8 to 128 lowercase or uppercase letters, digits, or
        /// the underscore character (_).</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 PolicyId { get; set; }
        #endregion
        
        #region Parameter TargetId
        /// <summary>
        /// <para>
        /// <para>The unique identifier (ID) of the root, OU, or account that you want to detach the
        /// policy from. You can get the ID from the <a>ListRoots</a>, <a>ListOrganizationalUnitsForParent</a>,
        /// or <a>ListAccounts</a> operations.</para><para>The <a href="http://wikipedia.org/wiki/regex">regex pattern</a> for a target ID string
        /// requires one of the following:</para><ul><li><para><b>Root</b> - A string that begins with "r-" followed by from 4 to 32 lowercase letters
        /// or digits.</para></li><li><para><b>Account</b> - A string that consists of exactly 12 digits.</para></li><li><para><b>Organizational unit (OU)</b> - A string that begins with "ou-" followed by from
        /// 4 to 32 lowercase letters or digits (the ID of the root that the OU is in). This string
        /// is followed by a second "-" dash and from 8 to 32 additional lowercase letters or
        /// digits.</para></li></ul>
        /// </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 TargetId { get; set; }
        #endregion
        
        #region Parameter Select
        /// <summary>
        /// Use the -Select parameter to control the cmdlet output. The cmdlet doesn't have a return value by default.
        /// Specifying -Select '*' will result in the cmdlet returning the whole service response (Amazon.Organizations.Model.DetachPolicyResponse).
        /// 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; } = "*";
        #endregion
        
        #region Parameter PassThru
        /// <summary>
        /// Changes the cmdlet behavior to return the value passed to the PolicyId parameter.
        /// The -PassThru parameter is deprecated, use -Select '^PolicyId' instead. This parameter will be removed in a future version.
        /// </summary>
        [System.Obsolete("The -PassThru parameter is deprecated, use -Select '^PolicyId' 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.PolicyId), MyInvocation.BoundParameters);
            if (!ConfirmShouldProceed(this.Force.IsPresent, resourceIdentifiersText, "Dismount-ORGPolicy (DetachPolicy)"))
            {
                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.Organizations.Model.DetachPolicyResponse, DismountORGPolicyCmdlet>(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.PolicyId;
            }
            #pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
            context.PolicyId = this.PolicyId;
            #if MODULAR
            if (this.PolicyId == null && ParameterWasBound(nameof(this.PolicyId)))
            {
                WriteWarning("You are passing $null as a value for parameter PolicyId 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.TargetId = this.TargetId;
            #if MODULAR
            if (this.TargetId == null && ParameterWasBound(nameof(this.TargetId)))
            {
                WriteWarning("You are passing $null as a value for parameter TargetId 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
            
            // 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.Organizations.Model.DetachPolicyRequest();
            
            if (cmdletContext.PolicyId != null)
            {
                request.PolicyId = cmdletContext.PolicyId;
            }
            if (cmdletContext.TargetId != null)
            {
                request.TargetId = cmdletContext.TargetId;
            }
            
            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.Organizations.Model.DetachPolicyResponse CallAWSServiceOperation(IAmazonOrganizations client, Amazon.Organizations.Model.DetachPolicyRequest request)
        {
            Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "AWS Organizations", "DetachPolicy");
            try
            {
                #if DESKTOP
                return client.DetachPolicy(request);
                #elif CORECLR
                return client.DetachPolicyAsync(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 PolicyId { get; set; }
            public System.String TargetId { get; set; }
            public System.Func<Amazon.Organizations.Model.DetachPolicyResponse, DismountORGPolicyCmdlet, object> Select { get; set; } =
                (response, cmdlet) => null;
        }
        
    }
}