{-# 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.IoT.GetPolicyVersion
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Gets information about the specified policy version.
--
-- Requires permission to access the
-- <https://docs.aws.amazon.com/service-authorization/latest/reference/list_awsiot.html#awsiot-actions-as-permissions GetPolicyVersion>
-- action.
module Amazonka.IoT.GetPolicyVersion
  ( -- * Creating a Request
    GetPolicyVersion (..),
    newGetPolicyVersion,

    -- * Request Lenses
    getPolicyVersion_policyName,
    getPolicyVersion_policyVersionId,

    -- * Destructuring the Response
    GetPolicyVersionResponse (..),
    newGetPolicyVersionResponse,

    -- * Response Lenses
    getPolicyVersionResponse_creationDate,
    getPolicyVersionResponse_generationId,
    getPolicyVersionResponse_isDefaultVersion,
    getPolicyVersionResponse_lastModifiedDate,
    getPolicyVersionResponse_policyArn,
    getPolicyVersionResponse_policyDocument,
    getPolicyVersionResponse_policyName,
    getPolicyVersionResponse_policyVersionId,
    getPolicyVersionResponse_httpStatus,
  )
where

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

-- | The input for the GetPolicyVersion operation.
--
-- /See:/ 'newGetPolicyVersion' smart constructor.
data GetPolicyVersion = GetPolicyVersion'
  { -- | The name of the policy.
    policyName :: Prelude.Text,
    -- | The policy version ID.
    policyVersionId :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetPolicyVersion' 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:
--
-- 'policyName', 'getPolicyVersion_policyName' - The name of the policy.
--
-- 'policyVersionId', 'getPolicyVersion_policyVersionId' - The policy version ID.
newGetPolicyVersion ::
  -- | 'policyName'
  Prelude.Text ->
  -- | 'policyVersionId'
  Prelude.Text ->
  GetPolicyVersion
newGetPolicyVersion pPolicyName_ pPolicyVersionId_ =
  GetPolicyVersion'
    { policyName = pPolicyName_,
      policyVersionId = pPolicyVersionId_
    }

-- | The name of the policy.
getPolicyVersion_policyName :: Lens.Lens' GetPolicyVersion Prelude.Text
getPolicyVersion_policyName = Lens.lens (\GetPolicyVersion' {policyName} -> policyName) (\s@GetPolicyVersion' {} a -> s {policyName = a} :: GetPolicyVersion)

-- | The policy version ID.
getPolicyVersion_policyVersionId :: Lens.Lens' GetPolicyVersion Prelude.Text
getPolicyVersion_policyVersionId = Lens.lens (\GetPolicyVersion' {policyVersionId} -> policyVersionId) (\s@GetPolicyVersion' {} a -> s {policyVersionId = a} :: GetPolicyVersion)

instance Core.AWSRequest GetPolicyVersion where
  type
    AWSResponse GetPolicyVersion =
      GetPolicyVersionResponse
  request overrides =
    Request.get (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          GetPolicyVersionResponse'
            Prelude.<$> (x Data..?> "creationDate")
            Prelude.<*> (x Data..?> "generationId")
            Prelude.<*> (x Data..?> "isDefaultVersion")
            Prelude.<*> (x Data..?> "lastModifiedDate")
            Prelude.<*> (x Data..?> "policyArn")
            Prelude.<*> (x Data..?> "policyDocument")
            Prelude.<*> (x Data..?> "policyName")
            Prelude.<*> (x Data..?> "policyVersionId")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable GetPolicyVersion where
  hashWithSalt _salt GetPolicyVersion' {..} =
    _salt
      `Prelude.hashWithSalt` policyName
      `Prelude.hashWithSalt` policyVersionId

instance Prelude.NFData GetPolicyVersion where
  rnf GetPolicyVersion' {..} =
    Prelude.rnf policyName
      `Prelude.seq` Prelude.rnf policyVersionId

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

instance Data.ToPath GetPolicyVersion where
  toPath GetPolicyVersion' {..} =
    Prelude.mconcat
      [ "/policies/",
        Data.toBS policyName,
        "/version/",
        Data.toBS policyVersionId
      ]

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

-- | The output from the GetPolicyVersion operation.
--
-- /See:/ 'newGetPolicyVersionResponse' smart constructor.
data GetPolicyVersionResponse = GetPolicyVersionResponse'
  { -- | The date the policy was created.
    creationDate :: Prelude.Maybe Data.POSIX,
    -- | The generation ID of the policy version.
    generationId :: Prelude.Maybe Prelude.Text,
    -- | Specifies whether the policy version is the default.
    isDefaultVersion :: Prelude.Maybe Prelude.Bool,
    -- | The date the policy was last modified.
    lastModifiedDate :: Prelude.Maybe Data.POSIX,
    -- | The policy ARN.
    policyArn :: Prelude.Maybe Prelude.Text,
    -- | The JSON document that describes the policy.
    policyDocument :: Prelude.Maybe Prelude.Text,
    -- | The policy name.
    policyName :: Prelude.Maybe Prelude.Text,
    -- | The policy version ID.
    policyVersionId :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetPolicyVersionResponse' 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:
--
-- 'creationDate', 'getPolicyVersionResponse_creationDate' - The date the policy was created.
--
-- 'generationId', 'getPolicyVersionResponse_generationId' - The generation ID of the policy version.
--
-- 'isDefaultVersion', 'getPolicyVersionResponse_isDefaultVersion' - Specifies whether the policy version is the default.
--
-- 'lastModifiedDate', 'getPolicyVersionResponse_lastModifiedDate' - The date the policy was last modified.
--
-- 'policyArn', 'getPolicyVersionResponse_policyArn' - The policy ARN.
--
-- 'policyDocument', 'getPolicyVersionResponse_policyDocument' - The JSON document that describes the policy.
--
-- 'policyName', 'getPolicyVersionResponse_policyName' - The policy name.
--
-- 'policyVersionId', 'getPolicyVersionResponse_policyVersionId' - The policy version ID.
--
-- 'httpStatus', 'getPolicyVersionResponse_httpStatus' - The response's http status code.
newGetPolicyVersionResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  GetPolicyVersionResponse
newGetPolicyVersionResponse pHttpStatus_ =
  GetPolicyVersionResponse'
    { creationDate =
        Prelude.Nothing,
      generationId = Prelude.Nothing,
      isDefaultVersion = Prelude.Nothing,
      lastModifiedDate = Prelude.Nothing,
      policyArn = Prelude.Nothing,
      policyDocument = Prelude.Nothing,
      policyName = Prelude.Nothing,
      policyVersionId = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The date the policy was created.
getPolicyVersionResponse_creationDate :: Lens.Lens' GetPolicyVersionResponse (Prelude.Maybe Prelude.UTCTime)
getPolicyVersionResponse_creationDate = Lens.lens (\GetPolicyVersionResponse' {creationDate} -> creationDate) (\s@GetPolicyVersionResponse' {} a -> s {creationDate = a} :: GetPolicyVersionResponse) Prelude.. Lens.mapping Data._Time

-- | The generation ID of the policy version.
getPolicyVersionResponse_generationId :: Lens.Lens' GetPolicyVersionResponse (Prelude.Maybe Prelude.Text)
getPolicyVersionResponse_generationId = Lens.lens (\GetPolicyVersionResponse' {generationId} -> generationId) (\s@GetPolicyVersionResponse' {} a -> s {generationId = a} :: GetPolicyVersionResponse)

-- | Specifies whether the policy version is the default.
getPolicyVersionResponse_isDefaultVersion :: Lens.Lens' GetPolicyVersionResponse (Prelude.Maybe Prelude.Bool)
getPolicyVersionResponse_isDefaultVersion = Lens.lens (\GetPolicyVersionResponse' {isDefaultVersion} -> isDefaultVersion) (\s@GetPolicyVersionResponse' {} a -> s {isDefaultVersion = a} :: GetPolicyVersionResponse)

-- | The date the policy was last modified.
getPolicyVersionResponse_lastModifiedDate :: Lens.Lens' GetPolicyVersionResponse (Prelude.Maybe Prelude.UTCTime)
getPolicyVersionResponse_lastModifiedDate = Lens.lens (\GetPolicyVersionResponse' {lastModifiedDate} -> lastModifiedDate) (\s@GetPolicyVersionResponse' {} a -> s {lastModifiedDate = a} :: GetPolicyVersionResponse) Prelude.. Lens.mapping Data._Time

-- | The policy ARN.
getPolicyVersionResponse_policyArn :: Lens.Lens' GetPolicyVersionResponse (Prelude.Maybe Prelude.Text)
getPolicyVersionResponse_policyArn = Lens.lens (\GetPolicyVersionResponse' {policyArn} -> policyArn) (\s@GetPolicyVersionResponse' {} a -> s {policyArn = a} :: GetPolicyVersionResponse)

-- | The JSON document that describes the policy.
getPolicyVersionResponse_policyDocument :: Lens.Lens' GetPolicyVersionResponse (Prelude.Maybe Prelude.Text)
getPolicyVersionResponse_policyDocument = Lens.lens (\GetPolicyVersionResponse' {policyDocument} -> policyDocument) (\s@GetPolicyVersionResponse' {} a -> s {policyDocument = a} :: GetPolicyVersionResponse)

-- | The policy name.
getPolicyVersionResponse_policyName :: Lens.Lens' GetPolicyVersionResponse (Prelude.Maybe Prelude.Text)
getPolicyVersionResponse_policyName = Lens.lens (\GetPolicyVersionResponse' {policyName} -> policyName) (\s@GetPolicyVersionResponse' {} a -> s {policyName = a} :: GetPolicyVersionResponse)

-- | The policy version ID.
getPolicyVersionResponse_policyVersionId :: Lens.Lens' GetPolicyVersionResponse (Prelude.Maybe Prelude.Text)
getPolicyVersionResponse_policyVersionId = Lens.lens (\GetPolicyVersionResponse' {policyVersionId} -> policyVersionId) (\s@GetPolicyVersionResponse' {} a -> s {policyVersionId = a} :: GetPolicyVersionResponse)

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

instance Prelude.NFData GetPolicyVersionResponse where
  rnf GetPolicyVersionResponse' {..} =
    Prelude.rnf creationDate
      `Prelude.seq` Prelude.rnf generationId
      `Prelude.seq` Prelude.rnf isDefaultVersion
      `Prelude.seq` Prelude.rnf lastModifiedDate
      `Prelude.seq` Prelude.rnf policyArn
      `Prelude.seq` Prelude.rnf policyDocument
      `Prelude.seq` Prelude.rnf policyName
      `Prelude.seq` Prelude.rnf policyVersionId
      `Prelude.seq` Prelude.rnf httpStatus