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

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

-- |
-- Module      : Amazonka.AppConfig.Types.Parameter
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
module Amazonka.AppConfig.Types.Parameter where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import qualified Amazonka.Prelude as Prelude

-- | A value such as an Amazon Resource Name (ARN) or an Amazon Simple
-- Notification Service topic entered in an extension when invoked.
-- Parameter values are specified in an extension association. For more
-- information about extensions, see
-- <https://docs.aws.amazon.com/appconfig/latest/userguide/working-with-appconfig-extensions.html Working with AppConfig extensions>
-- in the /AppConfig User Guide/.
--
-- /See:/ 'newParameter' smart constructor.
data Parameter = Parameter'
  { -- | Information about the parameter.
    Parameter -> Maybe Text
description :: Prelude.Maybe Prelude.Text,
    -- | A parameter value must be specified in the extension association.
    Parameter -> Maybe Bool
required :: Prelude.Maybe Prelude.Bool
  }
  deriving (Parameter -> Parameter -> Bool
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
/= :: Parameter -> Parameter -> Bool
$c/= :: Parameter -> Parameter -> Bool
== :: Parameter -> Parameter -> Bool
$c== :: Parameter -> Parameter -> Bool
Prelude.Eq, ReadPrec [Parameter]
ReadPrec Parameter
Int -> ReadS Parameter
ReadS [Parameter]
forall a.
(Int -> ReadS a)
-> ReadS [a] -> ReadPrec a -> ReadPrec [a] -> Read a
readListPrec :: ReadPrec [Parameter]
$creadListPrec :: ReadPrec [Parameter]
readPrec :: ReadPrec Parameter
$creadPrec :: ReadPrec Parameter
readList :: ReadS [Parameter]
$creadList :: ReadS [Parameter]
readsPrec :: Int -> ReadS Parameter
$creadsPrec :: Int -> ReadS Parameter
Prelude.Read, Int -> Parameter -> ShowS
[Parameter] -> ShowS
Parameter -> String
forall a.
(Int -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
showList :: [Parameter] -> ShowS
$cshowList :: [Parameter] -> ShowS
show :: Parameter -> String
$cshow :: Parameter -> String
showsPrec :: Int -> Parameter -> ShowS
$cshowsPrec :: Int -> Parameter -> ShowS
Prelude.Show, forall x. Rep Parameter x -> Parameter
forall x. Parameter -> Rep Parameter x
forall a.
(forall x. a -> Rep a x) -> (forall x. Rep a x -> a) -> Generic a
$cto :: forall x. Rep Parameter x -> Parameter
$cfrom :: forall x. Parameter -> Rep Parameter x
Prelude.Generic)

-- |
-- Create a value of 'Parameter' 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:
--
-- 'description', 'parameter_description' - Information about the parameter.
--
-- 'required', 'parameter_required' - A parameter value must be specified in the extension association.
newParameter ::
  Parameter
newParameter :: Parameter
newParameter =
  Parameter'
    { $sel:description:Parameter' :: Maybe Text
description = forall a. Maybe a
Prelude.Nothing,
      $sel:required:Parameter' :: Maybe Bool
required = forall a. Maybe a
Prelude.Nothing
    }

-- | Information about the parameter.
parameter_description :: Lens.Lens' Parameter (Prelude.Maybe Prelude.Text)
parameter_description :: Lens' Parameter (Maybe Text)
parameter_description = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\Parameter' {Maybe Text
description :: Maybe Text
$sel:description:Parameter' :: Parameter -> Maybe Text
description} -> Maybe Text
description) (\s :: Parameter
s@Parameter' {} Maybe Text
a -> Parameter
s {$sel:description:Parameter' :: Maybe Text
description = Maybe Text
a} :: Parameter)

-- | A parameter value must be specified in the extension association.
parameter_required :: Lens.Lens' Parameter (Prelude.Maybe Prelude.Bool)
parameter_required :: Lens' Parameter (Maybe Bool)
parameter_required = forall s a b t. (s -> a) -> (s -> b -> t) -> Lens s t a b
Lens.lens (\Parameter' {Maybe Bool
required :: Maybe Bool
$sel:required:Parameter' :: Parameter -> Maybe Bool
required} -> Maybe Bool
required) (\s :: Parameter
s@Parameter' {} Maybe Bool
a -> Parameter
s {$sel:required:Parameter' :: Maybe Bool
required = Maybe Bool
a} :: Parameter)

instance Data.FromJSON Parameter where
  parseJSON :: Value -> Parser Parameter
parseJSON =
    forall a. String -> (Object -> Parser a) -> Value -> Parser a
Data.withObject
      String
"Parameter"
      ( \Object
x ->
          Maybe Text -> Maybe Bool -> Parameter
Parameter'
            forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> (Object
x forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
Data..:? Key
"Description")
            forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
Prelude.<*> (Object
x forall a. FromJSON a => Object -> Key -> Parser (Maybe a)
Data..:? Key
"Required")
      )

instance Prelude.Hashable Parameter where
  hashWithSalt :: Int -> Parameter -> Int
hashWithSalt Int
_salt Parameter' {Maybe Bool
Maybe Text
required :: Maybe Bool
description :: Maybe Text
$sel:required:Parameter' :: Parameter -> Maybe Bool
$sel:description:Parameter' :: Parameter -> Maybe Text
..} =
    Int
_salt
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Text
description
      forall a. Hashable a => Int -> a -> Int
`Prelude.hashWithSalt` Maybe Bool
required

instance Prelude.NFData Parameter where
  rnf :: Parameter -> ()
rnf Parameter' {Maybe Bool
Maybe Text
required :: Maybe Bool
description :: Maybe Text
$sel:required:Parameter' :: Parameter -> Maybe Bool
$sel:description:Parameter' :: Parameter -> Maybe Text
..} =
    forall a. NFData a => a -> ()
Prelude.rnf Maybe Text
description
      seq :: forall a b. a -> b -> b
`Prelude.seq` forall a. NFData a => a -> ()
Prelude.rnf Maybe Bool
required

instance Data.ToJSON Parameter where
  toJSON :: Parameter -> Value
toJSON Parameter' {Maybe Bool
Maybe Text
required :: Maybe Bool
description :: Maybe Text
$sel:required:Parameter' :: Parameter -> Maybe Bool
$sel:description:Parameter' :: Parameter -> Maybe Text
..} =
    [Pair] -> Value
Data.object
      ( forall a. [Maybe a] -> [a]
Prelude.catMaybes
          [ (Key
"Description" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
Data..=) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> Maybe Text
description,
            (Key
"Required" forall kv v. (KeyValue kv, ToJSON v) => Key -> v -> kv
Data..=) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
Prelude.<$> Maybe Bool
required
          ]
      )