{-# 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.Organizations.DescribePolicy
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Retrieves information about a policy.
--
-- This operation can be called only from the organization\'s management
-- account or by a member account that is a delegated administrator for an
-- Amazon Web Services service.
module Amazonka.Organizations.DescribePolicy
  ( -- * Creating a Request
    DescribePolicy (..),
    newDescribePolicy,

    -- * Request Lenses
    describePolicy_policyId,

    -- * Destructuring the Response
    DescribePolicyResponse (..),
    newDescribePolicyResponse,

    -- * Response Lenses
    describePolicyResponse_policy,
    describePolicyResponse_httpStatus,
  )
where

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

-- | /See:/ 'newDescribePolicy' smart constructor.
data DescribePolicy = DescribePolicy'
  { -- | The unique identifier (ID) of the policy that you want details about.
    -- You can get the ID from the ListPolicies or ListPoliciesForTarget
    -- operations.
    --
    -- The <http://wikipedia.org/wiki/regex regex pattern> for a policy ID
    -- string requires \"p-\" followed by from 8 to 128 lowercase or uppercase
    -- letters, digits, or the underscore character (_).
    policyId :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribePolicy' 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:
--
-- 'policyId', 'describePolicy_policyId' - The unique identifier (ID) of the policy that you want details about.
-- You can get the ID from the ListPolicies or ListPoliciesForTarget
-- operations.
--
-- The <http://wikipedia.org/wiki/regex regex pattern> for a policy ID
-- string requires \"p-\" followed by from 8 to 128 lowercase or uppercase
-- letters, digits, or the underscore character (_).
newDescribePolicy ::
  -- | 'policyId'
  Prelude.Text ->
  DescribePolicy
newDescribePolicy pPolicyId_ =
  DescribePolicy' {policyId = pPolicyId_}

-- | The unique identifier (ID) of the policy that you want details about.
-- You can get the ID from the ListPolicies or ListPoliciesForTarget
-- operations.
--
-- The <http://wikipedia.org/wiki/regex regex pattern> for a policy ID
-- string requires \"p-\" followed by from 8 to 128 lowercase or uppercase
-- letters, digits, or the underscore character (_).
describePolicy_policyId :: Lens.Lens' DescribePolicy Prelude.Text
describePolicy_policyId = Lens.lens (\DescribePolicy' {policyId} -> policyId) (\s@DescribePolicy' {} a -> s {policyId = a} :: DescribePolicy)

instance Core.AWSRequest DescribePolicy where
  type
    AWSResponse DescribePolicy =
      DescribePolicyResponse
  request overrides =
    Request.postJSON (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          DescribePolicyResponse'
            Prelude.<$> (x Data..?> "Policy")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable DescribePolicy where
  hashWithSalt _salt DescribePolicy' {..} =
    _salt `Prelude.hashWithSalt` policyId

instance Prelude.NFData DescribePolicy where
  rnf DescribePolicy' {..} = Prelude.rnf policyId

instance Data.ToHeaders DescribePolicy where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "AWSOrganizationsV20161128.DescribePolicy" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON DescribePolicy where
  toJSON DescribePolicy' {..} =
    Data.object
      ( Prelude.catMaybes
          [Prelude.Just ("PolicyId" Data..= policyId)]
      )

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

instance Data.ToQuery DescribePolicy where
  toQuery = Prelude.const Prelude.mempty

-- | /See:/ 'newDescribePolicyResponse' smart constructor.
data DescribePolicyResponse = DescribePolicyResponse'
  { -- | A structure that contains details about the specified policy.
    policy :: Prelude.Maybe Policy,
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribePolicyResponse' 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:
--
-- 'policy', 'describePolicyResponse_policy' - A structure that contains details about the specified policy.
--
-- 'httpStatus', 'describePolicyResponse_httpStatus' - The response's http status code.
newDescribePolicyResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribePolicyResponse
newDescribePolicyResponse pHttpStatus_ =
  DescribePolicyResponse'
    { policy = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | A structure that contains details about the specified policy.
describePolicyResponse_policy :: Lens.Lens' DescribePolicyResponse (Prelude.Maybe Policy)
describePolicyResponse_policy = Lens.lens (\DescribePolicyResponse' {policy} -> policy) (\s@DescribePolicyResponse' {} a -> s {policy = a} :: DescribePolicyResponse)

-- | The response's http status code.
describePolicyResponse_httpStatus :: Lens.Lens' DescribePolicyResponse Prelude.Int
describePolicyResponse_httpStatus = Lens.lens (\DescribePolicyResponse' {httpStatus} -> httpStatus) (\s@DescribePolicyResponse' {} a -> s {httpStatus = a} :: DescribePolicyResponse)

instance Prelude.NFData DescribePolicyResponse where
  rnf DescribePolicyResponse' {..} =
    Prelude.rnf policy
      `Prelude.seq` Prelude.rnf httpStatus