{-# 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.CostExplorer.GetRightsizingRecommendation
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Creates recommendations that help you save cost by identifying idle and
-- underutilized Amazon EC2 instances.
--
-- Recommendations are generated to either downsize or terminate instances,
-- along with providing savings detail and metrics. For more information
-- about calculation and function, see
-- <https://docs.aws.amazon.com/awsaccountbilling/latest/aboutv2/ce-rightsizing.html Optimizing Your Cost with Rightsizing Recommendations>
-- in the /Billing and Cost Management User Guide/.
module Amazonka.CostExplorer.GetRightsizingRecommendation
  ( -- * Creating a Request
    GetRightsizingRecommendation (..),
    newGetRightsizingRecommendation,

    -- * Request Lenses
    getRightsizingRecommendation_configuration,
    getRightsizingRecommendation_filter,
    getRightsizingRecommendation_nextPageToken,
    getRightsizingRecommendation_pageSize,
    getRightsizingRecommendation_service,

    -- * Destructuring the Response
    GetRightsizingRecommendationResponse (..),
    newGetRightsizingRecommendationResponse,

    -- * Response Lenses
    getRightsizingRecommendationResponse_configuration,
    getRightsizingRecommendationResponse_metadata,
    getRightsizingRecommendationResponse_nextPageToken,
    getRightsizingRecommendationResponse_rightsizingRecommendations,
    getRightsizingRecommendationResponse_summary,
    getRightsizingRecommendationResponse_httpStatus,
  )
where

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

-- | /See:/ 'newGetRightsizingRecommendation' smart constructor.
data GetRightsizingRecommendation = GetRightsizingRecommendation'
  { -- | You can use Configuration to customize recommendations across two
    -- attributes. You can choose to view recommendations for instances within
    -- the same instance families or across different instance families. You
    -- can also choose to view your estimated savings that are associated with
    -- recommendations with consideration of existing Savings Plans or RI
    -- benefits, or neither.
    configuration :: Prelude.Maybe RightsizingRecommendationConfiguration,
    filter' :: Prelude.Maybe Expression,
    -- | The pagination token that indicates the next set of results that you
    -- want to retrieve.
    nextPageToken :: Prelude.Maybe Prelude.Text,
    -- | The number of recommendations that you want returned in a single
    -- response object.
    pageSize :: Prelude.Maybe Prelude.Natural,
    -- | The specific service that you want recommendations for. The only valid
    -- value for @GetRightsizingRecommendation@ is \"@AmazonEC2@\".
    service :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetRightsizingRecommendation' 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:
--
-- 'configuration', 'getRightsizingRecommendation_configuration' - You can use Configuration to customize recommendations across two
-- attributes. You can choose to view recommendations for instances within
-- the same instance families or across different instance families. You
-- can also choose to view your estimated savings that are associated with
-- recommendations with consideration of existing Savings Plans or RI
-- benefits, or neither.
--
-- 'filter'', 'getRightsizingRecommendation_filter' - Undocumented member.
--
-- 'nextPageToken', 'getRightsizingRecommendation_nextPageToken' - The pagination token that indicates the next set of results that you
-- want to retrieve.
--
-- 'pageSize', 'getRightsizingRecommendation_pageSize' - The number of recommendations that you want returned in a single
-- response object.
--
-- 'service', 'getRightsizingRecommendation_service' - The specific service that you want recommendations for. The only valid
-- value for @GetRightsizingRecommendation@ is \"@AmazonEC2@\".
newGetRightsizingRecommendation ::
  -- | 'service'
  Prelude.Text ->
  GetRightsizingRecommendation
newGetRightsizingRecommendation pService_ =
  GetRightsizingRecommendation'
    { configuration =
        Prelude.Nothing,
      filter' = Prelude.Nothing,
      nextPageToken = Prelude.Nothing,
      pageSize = Prelude.Nothing,
      service = pService_
    }

-- | You can use Configuration to customize recommendations across two
-- attributes. You can choose to view recommendations for instances within
-- the same instance families or across different instance families. You
-- can also choose to view your estimated savings that are associated with
-- recommendations with consideration of existing Savings Plans or RI
-- benefits, or neither.
getRightsizingRecommendation_configuration :: Lens.Lens' GetRightsizingRecommendation (Prelude.Maybe RightsizingRecommendationConfiguration)
getRightsizingRecommendation_configuration = Lens.lens (\GetRightsizingRecommendation' {configuration} -> configuration) (\s@GetRightsizingRecommendation' {} a -> s {configuration = a} :: GetRightsizingRecommendation)

-- | Undocumented member.
getRightsizingRecommendation_filter :: Lens.Lens' GetRightsizingRecommendation (Prelude.Maybe Expression)
getRightsizingRecommendation_filter = Lens.lens (\GetRightsizingRecommendation' {filter'} -> filter') (\s@GetRightsizingRecommendation' {} a -> s {filter' = a} :: GetRightsizingRecommendation)

-- | The pagination token that indicates the next set of results that you
-- want to retrieve.
getRightsizingRecommendation_nextPageToken :: Lens.Lens' GetRightsizingRecommendation (Prelude.Maybe Prelude.Text)
getRightsizingRecommendation_nextPageToken = Lens.lens (\GetRightsizingRecommendation' {nextPageToken} -> nextPageToken) (\s@GetRightsizingRecommendation' {} a -> s {nextPageToken = a} :: GetRightsizingRecommendation)

-- | The number of recommendations that you want returned in a single
-- response object.
getRightsizingRecommendation_pageSize :: Lens.Lens' GetRightsizingRecommendation (Prelude.Maybe Prelude.Natural)
getRightsizingRecommendation_pageSize = Lens.lens (\GetRightsizingRecommendation' {pageSize} -> pageSize) (\s@GetRightsizingRecommendation' {} a -> s {pageSize = a} :: GetRightsizingRecommendation)

-- | The specific service that you want recommendations for. The only valid
-- value for @GetRightsizingRecommendation@ is \"@AmazonEC2@\".
getRightsizingRecommendation_service :: Lens.Lens' GetRightsizingRecommendation Prelude.Text
getRightsizingRecommendation_service = Lens.lens (\GetRightsizingRecommendation' {service} -> service) (\s@GetRightsizingRecommendation' {} a -> s {service = a} :: GetRightsizingRecommendation)

instance Core.AWSRequest GetRightsizingRecommendation where
  type
    AWSResponse GetRightsizingRecommendation =
      GetRightsizingRecommendationResponse
  request overrides =
    Request.postJSON (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          GetRightsizingRecommendationResponse'
            Prelude.<$> (x Data..?> "Configuration")
            Prelude.<*> (x Data..?> "Metadata")
            Prelude.<*> (x Data..?> "NextPageToken")
            Prelude.<*> ( x
                            Data..?> "RightsizingRecommendations"
                            Core..!@ Prelude.mempty
                        )
            Prelude.<*> (x Data..?> "Summary")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance
  Prelude.Hashable
    GetRightsizingRecommendation
  where
  hashWithSalt _salt GetRightsizingRecommendation' {..} =
    _salt
      `Prelude.hashWithSalt` configuration
      `Prelude.hashWithSalt` filter'
      `Prelude.hashWithSalt` nextPageToken
      `Prelude.hashWithSalt` pageSize
      `Prelude.hashWithSalt` service

instance Prelude.NFData GetRightsizingRecommendation where
  rnf GetRightsizingRecommendation' {..} =
    Prelude.rnf configuration
      `Prelude.seq` Prelude.rnf filter'
      `Prelude.seq` Prelude.rnf nextPageToken
      `Prelude.seq` Prelude.rnf pageSize
      `Prelude.seq` Prelude.rnf service

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

instance Data.ToJSON GetRightsizingRecommendation where
  toJSON GetRightsizingRecommendation' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("Configuration" Data..=) Prelude.<$> configuration,
            ("Filter" Data..=) Prelude.<$> filter',
            ("NextPageToken" Data..=) Prelude.<$> nextPageToken,
            ("PageSize" Data..=) Prelude.<$> pageSize,
            Prelude.Just ("Service" Data..= service)
          ]
      )

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

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

-- | /See:/ 'newGetRightsizingRecommendationResponse' smart constructor.
data GetRightsizingRecommendationResponse = GetRightsizingRecommendationResponse'
  { -- | You can use Configuration to customize recommendations across two
    -- attributes. You can choose to view recommendations for instances within
    -- the same instance families or across different instance families. You
    -- can also choose to view your estimated savings that are associated with
    -- recommendations with consideration of existing Savings Plans or RI
    -- benefits, or neither.
    configuration :: Prelude.Maybe RightsizingRecommendationConfiguration,
    -- | Information regarding this specific recommendation set.
    metadata :: Prelude.Maybe RightsizingRecommendationMetadata,
    -- | The token to retrieve the next set of results.
    nextPageToken :: Prelude.Maybe Prelude.Text,
    -- | Recommendations to rightsize resources.
    rightsizingRecommendations :: Prelude.Maybe [RightsizingRecommendation],
    -- | Summary of this recommendation set.
    summary :: Prelude.Maybe RightsizingRecommendationSummary,
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetRightsizingRecommendationResponse' 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:
--
-- 'configuration', 'getRightsizingRecommendationResponse_configuration' - You can use Configuration to customize recommendations across two
-- attributes. You can choose to view recommendations for instances within
-- the same instance families or across different instance families. You
-- can also choose to view your estimated savings that are associated with
-- recommendations with consideration of existing Savings Plans or RI
-- benefits, or neither.
--
-- 'metadata', 'getRightsizingRecommendationResponse_metadata' - Information regarding this specific recommendation set.
--
-- 'nextPageToken', 'getRightsizingRecommendationResponse_nextPageToken' - The token to retrieve the next set of results.
--
-- 'rightsizingRecommendations', 'getRightsizingRecommendationResponse_rightsizingRecommendations' - Recommendations to rightsize resources.
--
-- 'summary', 'getRightsizingRecommendationResponse_summary' - Summary of this recommendation set.
--
-- 'httpStatus', 'getRightsizingRecommendationResponse_httpStatus' - The response's http status code.
newGetRightsizingRecommendationResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  GetRightsizingRecommendationResponse
newGetRightsizingRecommendationResponse pHttpStatus_ =
  GetRightsizingRecommendationResponse'
    { configuration =
        Prelude.Nothing,
      metadata = Prelude.Nothing,
      nextPageToken = Prelude.Nothing,
      rightsizingRecommendations =
        Prelude.Nothing,
      summary = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | You can use Configuration to customize recommendations across two
-- attributes. You can choose to view recommendations for instances within
-- the same instance families or across different instance families. You
-- can also choose to view your estimated savings that are associated with
-- recommendations with consideration of existing Savings Plans or RI
-- benefits, or neither.
getRightsizingRecommendationResponse_configuration :: Lens.Lens' GetRightsizingRecommendationResponse (Prelude.Maybe RightsizingRecommendationConfiguration)
getRightsizingRecommendationResponse_configuration = Lens.lens (\GetRightsizingRecommendationResponse' {configuration} -> configuration) (\s@GetRightsizingRecommendationResponse' {} a -> s {configuration = a} :: GetRightsizingRecommendationResponse)

-- | Information regarding this specific recommendation set.
getRightsizingRecommendationResponse_metadata :: Lens.Lens' GetRightsizingRecommendationResponse (Prelude.Maybe RightsizingRecommendationMetadata)
getRightsizingRecommendationResponse_metadata = Lens.lens (\GetRightsizingRecommendationResponse' {metadata} -> metadata) (\s@GetRightsizingRecommendationResponse' {} a -> s {metadata = a} :: GetRightsizingRecommendationResponse)

-- | The token to retrieve the next set of results.
getRightsizingRecommendationResponse_nextPageToken :: Lens.Lens' GetRightsizingRecommendationResponse (Prelude.Maybe Prelude.Text)
getRightsizingRecommendationResponse_nextPageToken = Lens.lens (\GetRightsizingRecommendationResponse' {nextPageToken} -> nextPageToken) (\s@GetRightsizingRecommendationResponse' {} a -> s {nextPageToken = a} :: GetRightsizingRecommendationResponse)

-- | Recommendations to rightsize resources.
getRightsizingRecommendationResponse_rightsizingRecommendations :: Lens.Lens' GetRightsizingRecommendationResponse (Prelude.Maybe [RightsizingRecommendation])
getRightsizingRecommendationResponse_rightsizingRecommendations = Lens.lens (\GetRightsizingRecommendationResponse' {rightsizingRecommendations} -> rightsizingRecommendations) (\s@GetRightsizingRecommendationResponse' {} a -> s {rightsizingRecommendations = a} :: GetRightsizingRecommendationResponse) Prelude.. Lens.mapping Lens.coerced

-- | Summary of this recommendation set.
getRightsizingRecommendationResponse_summary :: Lens.Lens' GetRightsizingRecommendationResponse (Prelude.Maybe RightsizingRecommendationSummary)
getRightsizingRecommendationResponse_summary = Lens.lens (\GetRightsizingRecommendationResponse' {summary} -> summary) (\s@GetRightsizingRecommendationResponse' {} a -> s {summary = a} :: GetRightsizingRecommendationResponse)

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

instance
  Prelude.NFData
    GetRightsizingRecommendationResponse
  where
  rnf GetRightsizingRecommendationResponse' {..} =
    Prelude.rnf configuration
      `Prelude.seq` Prelude.rnf metadata
      `Prelude.seq` Prelude.rnf nextPageToken
      `Prelude.seq` Prelude.rnf rightsizingRecommendations
      `Prelude.seq` Prelude.rnf summary
      `Prelude.seq` Prelude.rnf httpStatus