{-# 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.Lightsail.GetDiskSnapshots
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Returns information about all block storage disk snapshots in your AWS
-- account and region.
--
-- This operation returns paginated results.
module Amazonka.Lightsail.GetDiskSnapshots
  ( -- * Creating a Request
    GetDiskSnapshots (..),
    newGetDiskSnapshots,

    -- * Request Lenses
    getDiskSnapshots_pageToken,

    -- * Destructuring the Response
    GetDiskSnapshotsResponse (..),
    newGetDiskSnapshotsResponse,

    -- * Response Lenses
    getDiskSnapshotsResponse_diskSnapshots,
    getDiskSnapshotsResponse_nextPageToken,
    getDiskSnapshotsResponse_httpStatus,
  )
where

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

-- | /See:/ 'newGetDiskSnapshots' smart constructor.
data GetDiskSnapshots = GetDiskSnapshots'
  { -- | The token to advance to the next page of results from your request.
    --
    -- To get a page token, perform an initial @GetDiskSnapshots@ request. If
    -- your results are paginated, the response will return a next page token
    -- that you can specify as the page token in a subsequent request.
    pageToken :: Prelude.Maybe Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetDiskSnapshots' 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:
--
-- 'pageToken', 'getDiskSnapshots_pageToken' - The token to advance to the next page of results from your request.
--
-- To get a page token, perform an initial @GetDiskSnapshots@ request. If
-- your results are paginated, the response will return a next page token
-- that you can specify as the page token in a subsequent request.
newGetDiskSnapshots ::
  GetDiskSnapshots
newGetDiskSnapshots =
  GetDiskSnapshots' {pageToken = Prelude.Nothing}

-- | The token to advance to the next page of results from your request.
--
-- To get a page token, perform an initial @GetDiskSnapshots@ request. If
-- your results are paginated, the response will return a next page token
-- that you can specify as the page token in a subsequent request.
getDiskSnapshots_pageToken :: Lens.Lens' GetDiskSnapshots (Prelude.Maybe Prelude.Text)
getDiskSnapshots_pageToken = Lens.lens (\GetDiskSnapshots' {pageToken} -> pageToken) (\s@GetDiskSnapshots' {} a -> s {pageToken = a} :: GetDiskSnapshots)

instance Core.AWSPager GetDiskSnapshots where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? getDiskSnapshotsResponse_nextPageToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? getDiskSnapshotsResponse_diskSnapshots
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& getDiskSnapshots_pageToken
          Lens..~ rs
          Lens.^? getDiskSnapshotsResponse_nextPageToken
          Prelude.. Lens._Just

instance Core.AWSRequest GetDiskSnapshots where
  type
    AWSResponse GetDiskSnapshots =
      GetDiskSnapshotsResponse
  request overrides =
    Request.postJSON (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          GetDiskSnapshotsResponse'
            Prelude.<$> (x Data..?> "diskSnapshots" Core..!@ Prelude.mempty)
            Prelude.<*> (x Data..?> "nextPageToken")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable GetDiskSnapshots where
  hashWithSalt _salt GetDiskSnapshots' {..} =
    _salt `Prelude.hashWithSalt` pageToken

instance Prelude.NFData GetDiskSnapshots where
  rnf GetDiskSnapshots' {..} = Prelude.rnf pageToken

instance Data.ToHeaders GetDiskSnapshots where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "Lightsail_20161128.GetDiskSnapshots" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON GetDiskSnapshots where
  toJSON GetDiskSnapshots' {..} =
    Data.object
      ( Prelude.catMaybes
          [("pageToken" Data..=) Prelude.<$> pageToken]
      )

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

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

-- | /See:/ 'newGetDiskSnapshotsResponse' smart constructor.
data GetDiskSnapshotsResponse = GetDiskSnapshotsResponse'
  { -- | An array of objects containing information about all block storage disk
    -- snapshots.
    diskSnapshots :: Prelude.Maybe [DiskSnapshot],
    -- | The token to advance to the next page of results from your request.
    --
    -- A next page token is not returned if there are no more results to
    -- display.
    --
    -- To get the next page of results, perform another @GetDiskSnapshots@
    -- request and specify the next page token using the @pageToken@ parameter.
    nextPageToken :: 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 'GetDiskSnapshotsResponse' 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:
--
-- 'diskSnapshots', 'getDiskSnapshotsResponse_diskSnapshots' - An array of objects containing information about all block storage disk
-- snapshots.
--
-- 'nextPageToken', 'getDiskSnapshotsResponse_nextPageToken' - The token to advance to the next page of results from your request.
--
-- A next page token is not returned if there are no more results to
-- display.
--
-- To get the next page of results, perform another @GetDiskSnapshots@
-- request and specify the next page token using the @pageToken@ parameter.
--
-- 'httpStatus', 'getDiskSnapshotsResponse_httpStatus' - The response's http status code.
newGetDiskSnapshotsResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  GetDiskSnapshotsResponse
newGetDiskSnapshotsResponse pHttpStatus_ =
  GetDiskSnapshotsResponse'
    { diskSnapshots =
        Prelude.Nothing,
      nextPageToken = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | An array of objects containing information about all block storage disk
-- snapshots.
getDiskSnapshotsResponse_diskSnapshots :: Lens.Lens' GetDiskSnapshotsResponse (Prelude.Maybe [DiskSnapshot])
getDiskSnapshotsResponse_diskSnapshots = Lens.lens (\GetDiskSnapshotsResponse' {diskSnapshots} -> diskSnapshots) (\s@GetDiskSnapshotsResponse' {} a -> s {diskSnapshots = a} :: GetDiskSnapshotsResponse) Prelude.. Lens.mapping Lens.coerced

-- | The token to advance to the next page of results from your request.
--
-- A next page token is not returned if there are no more results to
-- display.
--
-- To get the next page of results, perform another @GetDiskSnapshots@
-- request and specify the next page token using the @pageToken@ parameter.
getDiskSnapshotsResponse_nextPageToken :: Lens.Lens' GetDiskSnapshotsResponse (Prelude.Maybe Prelude.Text)
getDiskSnapshotsResponse_nextPageToken = Lens.lens (\GetDiskSnapshotsResponse' {nextPageToken} -> nextPageToken) (\s@GetDiskSnapshotsResponse' {} a -> s {nextPageToken = a} :: GetDiskSnapshotsResponse)

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

instance Prelude.NFData GetDiskSnapshotsResponse where
  rnf GetDiskSnapshotsResponse' {..} =
    Prelude.rnf diskSnapshots
      `Prelude.seq` Prelude.rnf nextPageToken
      `Prelude.seq` Prelude.rnf httpStatus