{-# 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.Textract.Types.DocumentMetadata
-- 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.Textract.Types.DocumentMetadata 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

-- | Information about the input document.
--
-- /See:/ 'newDocumentMetadata' smart constructor.
data DocumentMetadata = DocumentMetadata'
  { -- | The number of pages that are detected in the document.
    pages :: Prelude.Maybe Prelude.Natural
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DocumentMetadata' 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:
--
-- 'pages', 'documentMetadata_pages' - The number of pages that are detected in the document.
newDocumentMetadata ::
  DocumentMetadata
newDocumentMetadata =
  DocumentMetadata' {pages = Prelude.Nothing}

-- | The number of pages that are detected in the document.
documentMetadata_pages :: Lens.Lens' DocumentMetadata (Prelude.Maybe Prelude.Natural)
documentMetadata_pages = Lens.lens (\DocumentMetadata' {pages} -> pages) (\s@DocumentMetadata' {} a -> s {pages = a} :: DocumentMetadata)

instance Data.FromJSON DocumentMetadata where
  parseJSON =
    Data.withObject
      "DocumentMetadata"
      ( \x ->
          DocumentMetadata' Prelude.<$> (x Data..:? "Pages")
      )

instance Prelude.Hashable DocumentMetadata where
  hashWithSalt _salt DocumentMetadata' {..} =
    _salt `Prelude.hashWithSalt` pages

instance Prelude.NFData DocumentMetadata where
  rnf DocumentMetadata' {..} = Prelude.rnf pages