{-# 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.SSMSAP.ListDatabases
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Lists the SAP HANA databases of an application registered with AWS
-- Systems Manager for SAP.
--
-- This operation returns paginated results.
module Amazonka.SSMSAP.ListDatabases
  ( -- * Creating a Request
    ListDatabases (..),
    newListDatabases,

    -- * Request Lenses
    listDatabases_applicationId,
    listDatabases_componentId,
    listDatabases_maxResults,
    listDatabases_nextToken,

    -- * Destructuring the Response
    ListDatabasesResponse (..),
    newListDatabasesResponse,

    -- * Response Lenses
    listDatabasesResponse_databases,
    listDatabasesResponse_nextToken,
    listDatabasesResponse_httpStatus,
  )
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
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response
import Amazonka.SSMSAP.Types

-- | /See:/ 'newListDatabases' smart constructor.
data ListDatabases = ListDatabases'
  { applicationId :: Prelude.Maybe Prelude.Text,
    componentId :: Prelude.Maybe Prelude.Text,
    maxResults :: Prelude.Maybe Prelude.Natural,
    nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListDatabases' 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:
--
-- 'applicationId', 'listDatabases_applicationId' -
--
-- 'componentId', 'listDatabases_componentId' -
--
-- 'maxResults', 'listDatabases_maxResults' -
--
-- 'nextToken', 'listDatabases_nextToken' -
newListDatabases ::
  ListDatabases
newListDatabases =
  ListDatabases'
    { applicationId = Prelude.Nothing,
      componentId = Prelude.Nothing,
      maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

listDatabases_applicationId :: Lens.Lens' ListDatabases (Prelude.Maybe Prelude.Text)
listDatabases_applicationId = Lens.lens (\ListDatabases' {applicationId} -> applicationId) (\s@ListDatabases' {} a -> s {applicationId = a} :: ListDatabases)

listDatabases_componentId :: Lens.Lens' ListDatabases (Prelude.Maybe Prelude.Text)
listDatabases_componentId = Lens.lens (\ListDatabases' {componentId} -> componentId) (\s@ListDatabases' {} a -> s {componentId = a} :: ListDatabases)

listDatabases_maxResults :: Lens.Lens' ListDatabases (Prelude.Maybe Prelude.Natural)
listDatabases_maxResults = Lens.lens (\ListDatabases' {maxResults} -> maxResults) (\s@ListDatabases' {} a -> s {maxResults = a} :: ListDatabases)

listDatabases_nextToken :: Lens.Lens' ListDatabases (Prelude.Maybe Prelude.Text)
listDatabases_nextToken = Lens.lens (\ListDatabases' {nextToken} -> nextToken) (\s@ListDatabases' {} a -> s {nextToken = a} :: ListDatabases)

instance Core.AWSPager ListDatabases where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listDatabasesResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listDatabasesResponse_databases
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listDatabases_nextToken
          Lens..~ rs
          Lens.^? listDatabasesResponse_nextToken
          Prelude.. Lens._Just

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

instance Prelude.Hashable ListDatabases where
  hashWithSalt _salt ListDatabases' {..} =
    _salt
      `Prelude.hashWithSalt` applicationId
      `Prelude.hashWithSalt` componentId
      `Prelude.hashWithSalt` maxResults
      `Prelude.hashWithSalt` nextToken

instance Prelude.NFData ListDatabases where
  rnf ListDatabases' {..} =
    Prelude.rnf applicationId
      `Prelude.seq` Prelude.rnf componentId
      `Prelude.seq` Prelude.rnf maxResults
      `Prelude.seq` Prelude.rnf nextToken

instance Data.ToHeaders ListDatabases where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON ListDatabases where
  toJSON ListDatabases' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("ApplicationId" Data..=) Prelude.<$> applicationId,
            ("ComponentId" Data..=) Prelude.<$> componentId,
            ("MaxResults" Data..=) Prelude.<$> maxResults,
            ("NextToken" Data..=) Prelude.<$> nextToken
          ]
      )

instance Data.ToPath ListDatabases where
  toPath = Prelude.const "/list-databases"

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

-- | /See:/ 'newListDatabasesResponse' smart constructor.
data ListDatabasesResponse = ListDatabasesResponse'
  { databases :: Prelude.Maybe [DatabaseSummary],
    nextToken :: 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 'ListDatabasesResponse' 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:
--
-- 'databases', 'listDatabasesResponse_databases' -
--
-- 'nextToken', 'listDatabasesResponse_nextToken' -
--
-- 'httpStatus', 'listDatabasesResponse_httpStatus' - The response's http status code.
newListDatabasesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListDatabasesResponse
newListDatabasesResponse pHttpStatus_ =
  ListDatabasesResponse'
    { databases = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

listDatabasesResponse_databases :: Lens.Lens' ListDatabasesResponse (Prelude.Maybe [DatabaseSummary])
listDatabasesResponse_databases = Lens.lens (\ListDatabasesResponse' {databases} -> databases) (\s@ListDatabasesResponse' {} a -> s {databases = a} :: ListDatabasesResponse) Prelude.. Lens.mapping Lens.coerced

listDatabasesResponse_nextToken :: Lens.Lens' ListDatabasesResponse (Prelude.Maybe Prelude.Text)
listDatabasesResponse_nextToken = Lens.lens (\ListDatabasesResponse' {nextToken} -> nextToken) (\s@ListDatabasesResponse' {} a -> s {nextToken = a} :: ListDatabasesResponse)

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

instance Prelude.NFData ListDatabasesResponse where
  rnf ListDatabasesResponse' {..} =
    Prelude.rnf databases
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus