{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE DuplicateRecordFields #-}
{-# LANGUAGE NamedFieldPuns #-}
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE StrictData #-}
{-# LANGUAGE TypeFamilies #-}
{-# LANGUAGE NoImplicitPrelude #-}
{-# OPTIONS_GHC -fno-warn-unused-binds #-}
{-# OPTIONS_GHC -fno-warn-unused-imports #-}
{-# OPTIONS_GHC -fno-warn-unused-matches #-}

-- Derived from AWS service descriptions, licensed under Apache 2.0.

-- |
-- Module      : Amazonka.IAM.DeletePolicyVersion
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Deletes the specified version from the specified managed policy.
--
-- You cannot delete the default version from a policy using this
-- operation. To delete the default version from a policy, use
-- DeletePolicy. To find out which version of a policy is marked as the
-- default version, use ListPolicyVersions.
--
-- For information about versions for managed policies, see
-- <https://docs.aws.amazon.com/IAM/latest/UserGuide/policies-managed-versions.html Versioning for managed policies>
-- in the /IAM User Guide/.
module Amazonka.IAM.DeletePolicyVersion
  ( -- * Creating a Request
    DeletePolicyVersion (..),
    newDeletePolicyVersion,

    -- * Request Lenses
    deletePolicyVersion_policyArn,
    deletePolicyVersion_versionId,

    -- * Destructuring the Response
    DeletePolicyVersionResponse (..),
    newDeletePolicyVersionResponse,
  )
where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.IAM.Types
import qualified Amazonka.Prelude as Prelude
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response

-- | /See:/ 'newDeletePolicyVersion' smart constructor.
data DeletePolicyVersion = DeletePolicyVersion'
  { -- | The Amazon Resource Name (ARN) of the IAM policy from which you want to
    -- delete a version.
    --
    -- For more information about ARNs, see
    -- <https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html Amazon Resource Names (ARNs)>
    -- in the /Amazon Web Services General Reference/.
    policyArn :: Prelude.Text,
    -- | The policy version to delete.
    --
    -- This parameter allows (through its
    -- <http://wikipedia.org/wiki/regex regex pattern>) a string of characters
    -- that consists of the lowercase letter \'v\' followed by one or two
    -- digits, and optionally followed by a period \'.\' and a string of
    -- letters and digits.
    --
    -- For more information about managed policy versions, see
    -- <https://docs.aws.amazon.com/IAM/latest/UserGuide/policies-managed-versions.html Versioning for managed policies>
    -- in the /IAM User Guide/.
    versionId :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DeletePolicyVersion' with all optional fields omitted.
--
-- Use <https://hackage.haskell.org/package/generic-lens generic-lens> or <https://hackage.haskell.org/package/optics optics> to modify other optional fields.
--
-- The following record fields are available, with the corresponding lenses provided
-- for backwards compatibility:
--
-- 'policyArn', 'deletePolicyVersion_policyArn' - The Amazon Resource Name (ARN) of the IAM policy from which you want to
-- delete a version.
--
-- For more information about ARNs, see
-- <https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html Amazon Resource Names (ARNs)>
-- in the /Amazon Web Services General Reference/.
--
-- 'versionId', 'deletePolicyVersion_versionId' - The policy version to delete.
--
-- This parameter allows (through its
-- <http://wikipedia.org/wiki/regex regex pattern>) a string of characters
-- that consists of the lowercase letter \'v\' followed by one or two
-- digits, and optionally followed by a period \'.\' and a string of
-- letters and digits.
--
-- For more information about managed policy versions, see
-- <https://docs.aws.amazon.com/IAM/latest/UserGuide/policies-managed-versions.html Versioning for managed policies>
-- in the /IAM User Guide/.
newDeletePolicyVersion ::
  -- | 'policyArn'
  Prelude.Text ->
  -- | 'versionId'
  Prelude.Text ->
  DeletePolicyVersion
newDeletePolicyVersion pPolicyArn_ pVersionId_ =
  DeletePolicyVersion'
    { policyArn = pPolicyArn_,
      versionId = pVersionId_
    }

-- | The Amazon Resource Name (ARN) of the IAM policy from which you want to
-- delete a version.
--
-- For more information about ARNs, see
-- <https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html Amazon Resource Names (ARNs)>
-- in the /Amazon Web Services General Reference/.
deletePolicyVersion_policyArn :: Lens.Lens' DeletePolicyVersion Prelude.Text
deletePolicyVersion_policyArn = Lens.lens (\DeletePolicyVersion' {policyArn} -> policyArn) (\s@DeletePolicyVersion' {} a -> s {policyArn = a} :: DeletePolicyVersion)

-- | The policy version to delete.
--
-- This parameter allows (through its
-- <http://wikipedia.org/wiki/regex regex pattern>) a string of characters
-- that consists of the lowercase letter \'v\' followed by one or two
-- digits, and optionally followed by a period \'.\' and a string of
-- letters and digits.
--
-- For more information about managed policy versions, see
-- <https://docs.aws.amazon.com/IAM/latest/UserGuide/policies-managed-versions.html Versioning for managed policies>
-- in the /IAM User Guide/.
deletePolicyVersion_versionId :: Lens.Lens' DeletePolicyVersion Prelude.Text
deletePolicyVersion_versionId = Lens.lens (\DeletePolicyVersion' {versionId} -> versionId) (\s@DeletePolicyVersion' {} a -> s {versionId = a} :: DeletePolicyVersion)

instance Core.AWSRequest DeletePolicyVersion where
  type
    AWSResponse DeletePolicyVersion =
      DeletePolicyVersionResponse
  request overrides =
    Request.postQuery (overrides defaultService)
  response =
    Response.receiveNull DeletePolicyVersionResponse'

instance Prelude.Hashable DeletePolicyVersion where
  hashWithSalt _salt DeletePolicyVersion' {..} =
    _salt
      `Prelude.hashWithSalt` policyArn
      `Prelude.hashWithSalt` versionId

instance Prelude.NFData DeletePolicyVersion where
  rnf DeletePolicyVersion' {..} =
    Prelude.rnf policyArn
      `Prelude.seq` Prelude.rnf versionId

instance Data.ToHeaders DeletePolicyVersion where
  toHeaders = Prelude.const Prelude.mempty

instance Data.ToPath DeletePolicyVersion where
  toPath = Prelude.const "/"

instance Data.ToQuery DeletePolicyVersion where
  toQuery DeletePolicyVersion' {..} =
    Prelude.mconcat
      [ "Action"
          Data.=: ("DeletePolicyVersion" :: Prelude.ByteString),
        "Version"
          Data.=: ("2010-05-08" :: Prelude.ByteString),
        "PolicyArn" Data.=: policyArn,
        "VersionId" Data.=: versionId
      ]

-- | /See:/ 'newDeletePolicyVersionResponse' smart constructor.
data DeletePolicyVersionResponse = DeletePolicyVersionResponse'
  {
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DeletePolicyVersionResponse' with all optional fields omitted.
--
-- Use <https://hackage.haskell.org/package/generic-lens generic-lens> or <https://hackage.haskell.org/package/optics optics> to modify other optional fields.
newDeletePolicyVersionResponse ::
  DeletePolicyVersionResponse
newDeletePolicyVersionResponse =
  DeletePolicyVersionResponse'

instance Prelude.NFData DeletePolicyVersionResponse where
  rnf _ = ()