{-# 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.GameLift.Types.TargetConfiguration
-- 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.GameLift.Types.TargetConfiguration 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

-- | Settings for a target-based scaling policy. A target-based policy tracks
-- a particular fleet metric specifies a target value for the metric. As
-- player usage changes, the policy triggers Amazon GameLift to adjust
-- capacity so that the metric returns to the target value. The target
-- configuration specifies settings as needed for the target based policy,
-- including the target value.
--
-- /See:/ 'newTargetConfiguration' smart constructor.
data TargetConfiguration = TargetConfiguration'
  { -- | Desired value to use with a target-based scaling policy. The value must
    -- be relevant for whatever metric the scaling policy is using. For
    -- example, in a policy using the metric PercentAvailableGameSessions, the
    -- target value should be the preferred size of the fleet\'s buffer (the
    -- percent of capacity that should be idle and ready for new game
    -- sessions).
    targetValue :: Prelude.Double
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'TargetConfiguration' 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:
--
-- 'targetValue', 'targetConfiguration_targetValue' - Desired value to use with a target-based scaling policy. The value must
-- be relevant for whatever metric the scaling policy is using. For
-- example, in a policy using the metric PercentAvailableGameSessions, the
-- target value should be the preferred size of the fleet\'s buffer (the
-- percent of capacity that should be idle and ready for new game
-- sessions).
newTargetConfiguration ::
  -- | 'targetValue'
  Prelude.Double ->
  TargetConfiguration
newTargetConfiguration pTargetValue_ =
  TargetConfiguration' {targetValue = pTargetValue_}

-- | Desired value to use with a target-based scaling policy. The value must
-- be relevant for whatever metric the scaling policy is using. For
-- example, in a policy using the metric PercentAvailableGameSessions, the
-- target value should be the preferred size of the fleet\'s buffer (the
-- percent of capacity that should be idle and ready for new game
-- sessions).
targetConfiguration_targetValue :: Lens.Lens' TargetConfiguration Prelude.Double
targetConfiguration_targetValue = Lens.lens (\TargetConfiguration' {targetValue} -> targetValue) (\s@TargetConfiguration' {} a -> s {targetValue = a} :: TargetConfiguration)

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

instance Prelude.Hashable TargetConfiguration where
  hashWithSalt _salt TargetConfiguration' {..} =
    _salt `Prelude.hashWithSalt` targetValue

instance Prelude.NFData TargetConfiguration where
  rnf TargetConfiguration' {..} =
    Prelude.rnf targetValue

instance Data.ToJSON TargetConfiguration where
  toJSON TargetConfiguration' {..} =
    Data.object
      ( Prelude.catMaybes
          [Prelude.Just ("TargetValue" Data..= targetValue)]
      )