{-# 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.Kendra.Types.DocumentAttribute
-- 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.Kendra.Types.DocumentAttribute where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.Kendra.Types.DocumentAttributeValue
import qualified Amazonka.Prelude as Prelude

-- | A document attribute or metadata field. To create custom document
-- attributes, see
-- <https://docs.aws.amazon.com/kendra/latest/dg/custom-attributes.html Custom attributes>.
--
-- /See:/ 'newDocumentAttribute' smart constructor.
data DocumentAttribute = DocumentAttribute'
  { -- | The identifier for the attribute.
    key :: Prelude.Text,
    -- | The value of the attribute.
    value :: DocumentAttributeValue
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DocumentAttribute' 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:
--
-- 'key', 'documentAttribute_key' - The identifier for the attribute.
--
-- 'value', 'documentAttribute_value' - The value of the attribute.
newDocumentAttribute ::
  -- | 'key'
  Prelude.Text ->
  -- | 'value'
  DocumentAttributeValue ->
  DocumentAttribute
newDocumentAttribute pKey_ pValue_ =
  DocumentAttribute' {key = pKey_, value = pValue_}

-- | The identifier for the attribute.
documentAttribute_key :: Lens.Lens' DocumentAttribute Prelude.Text
documentAttribute_key = Lens.lens (\DocumentAttribute' {key} -> key) (\s@DocumentAttribute' {} a -> s {key = a} :: DocumentAttribute)

-- | The value of the attribute.
documentAttribute_value :: Lens.Lens' DocumentAttribute DocumentAttributeValue
documentAttribute_value = Lens.lens (\DocumentAttribute' {value} -> value) (\s@DocumentAttribute' {} a -> s {value = a} :: DocumentAttribute)

instance Data.FromJSON DocumentAttribute where
  parseJSON =
    Data.withObject
      "DocumentAttribute"
      ( \x ->
          DocumentAttribute'
            Prelude.<$> (x Data..: "Key")
            Prelude.<*> (x Data..: "Value")
      )

instance Prelude.Hashable DocumentAttribute where
  hashWithSalt _salt DocumentAttribute' {..} =
    _salt
      `Prelude.hashWithSalt` key
      `Prelude.hashWithSalt` value

instance Prelude.NFData DocumentAttribute where
  rnf DocumentAttribute' {..} =
    Prelude.rnf key `Prelude.seq` Prelude.rnf value

instance Data.ToJSON DocumentAttribute where
  toJSON DocumentAttribute' {..} =
    Data.object
      ( Prelude.catMaybes
          [ Prelude.Just ("Key" Data..= key),
            Prelude.Just ("Value" Data..= value)
          ]
      )