{-# 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.DetachInstancesFromLoadBalancer
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Detaches the specified instances from a Lightsail load balancer.
--
-- This operation waits until the instances are no longer needed before
-- they are detached from the load balancer.
--
-- The @detach instances from load balancer@ operation supports tag-based
-- access control via resource tags applied to the resource identified by
-- @load balancer name@. For more information, see the
-- <https://lightsail.aws.amazon.com/ls/docs/en_us/articles/amazon-lightsail-controlling-access-using-tags Amazon Lightsail Developer Guide>.
module Amazonka.Lightsail.DetachInstancesFromLoadBalancer
  ( -- * Creating a Request
    DetachInstancesFromLoadBalancer (..),
    newDetachInstancesFromLoadBalancer,

    -- * Request Lenses
    detachInstancesFromLoadBalancer_loadBalancerName,
    detachInstancesFromLoadBalancer_instanceNames,

    -- * Destructuring the Response
    DetachInstancesFromLoadBalancerResponse (..),
    newDetachInstancesFromLoadBalancerResponse,

    -- * Response Lenses
    detachInstancesFromLoadBalancerResponse_operations,
    detachInstancesFromLoadBalancerResponse_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:/ 'newDetachInstancesFromLoadBalancer' smart constructor.
data DetachInstancesFromLoadBalancer = DetachInstancesFromLoadBalancer'
  { -- | The name of the Lightsail load balancer.
    loadBalancerName :: Prelude.Text,
    -- | An array of strings containing the names of the instances you want to
    -- detach from the load balancer.
    instanceNames :: [Prelude.Text]
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DetachInstancesFromLoadBalancer' 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:
--
-- 'loadBalancerName', 'detachInstancesFromLoadBalancer_loadBalancerName' - The name of the Lightsail load balancer.
--
-- 'instanceNames', 'detachInstancesFromLoadBalancer_instanceNames' - An array of strings containing the names of the instances you want to
-- detach from the load balancer.
newDetachInstancesFromLoadBalancer ::
  -- | 'loadBalancerName'
  Prelude.Text ->
  DetachInstancesFromLoadBalancer
newDetachInstancesFromLoadBalancer pLoadBalancerName_ =
  DetachInstancesFromLoadBalancer'
    { loadBalancerName =
        pLoadBalancerName_,
      instanceNames = Prelude.mempty
    }

-- | The name of the Lightsail load balancer.
detachInstancesFromLoadBalancer_loadBalancerName :: Lens.Lens' DetachInstancesFromLoadBalancer Prelude.Text
detachInstancesFromLoadBalancer_loadBalancerName = Lens.lens (\DetachInstancesFromLoadBalancer' {loadBalancerName} -> loadBalancerName) (\s@DetachInstancesFromLoadBalancer' {} a -> s {loadBalancerName = a} :: DetachInstancesFromLoadBalancer)

-- | An array of strings containing the names of the instances you want to
-- detach from the load balancer.
detachInstancesFromLoadBalancer_instanceNames :: Lens.Lens' DetachInstancesFromLoadBalancer [Prelude.Text]
detachInstancesFromLoadBalancer_instanceNames = Lens.lens (\DetachInstancesFromLoadBalancer' {instanceNames} -> instanceNames) (\s@DetachInstancesFromLoadBalancer' {} a -> s {instanceNames = a} :: DetachInstancesFromLoadBalancer) Prelude.. Lens.coerced

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

instance
  Prelude.Hashable
    DetachInstancesFromLoadBalancer
  where
  hashWithSalt
    _salt
    DetachInstancesFromLoadBalancer' {..} =
      _salt
        `Prelude.hashWithSalt` loadBalancerName
        `Prelude.hashWithSalt` instanceNames

instance
  Prelude.NFData
    DetachInstancesFromLoadBalancer
  where
  rnf DetachInstancesFromLoadBalancer' {..} =
    Prelude.rnf loadBalancerName
      `Prelude.seq` Prelude.rnf instanceNames

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

instance Data.ToJSON DetachInstancesFromLoadBalancer where
  toJSON DetachInstancesFromLoadBalancer' {..} =
    Data.object
      ( Prelude.catMaybes
          [ Prelude.Just
              ("loadBalancerName" Data..= loadBalancerName),
            Prelude.Just
              ("instanceNames" Data..= instanceNames)
          ]
      )

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

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

-- | /See:/ 'newDetachInstancesFromLoadBalancerResponse' smart constructor.
data DetachInstancesFromLoadBalancerResponse = DetachInstancesFromLoadBalancerResponse'
  { -- | An array of objects that describe the result of the action, such as the
    -- status of the request, the timestamp of the request, and the resources
    -- affected by the request.
    operations :: Prelude.Maybe [Operation],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DetachInstancesFromLoadBalancerResponse' 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:
--
-- 'operations', 'detachInstancesFromLoadBalancerResponse_operations' - An array of objects that describe the result of the action, such as the
-- status of the request, the timestamp of the request, and the resources
-- affected by the request.
--
-- 'httpStatus', 'detachInstancesFromLoadBalancerResponse_httpStatus' - The response's http status code.
newDetachInstancesFromLoadBalancerResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DetachInstancesFromLoadBalancerResponse
newDetachInstancesFromLoadBalancerResponse
  pHttpStatus_ =
    DetachInstancesFromLoadBalancerResponse'
      { operations =
          Prelude.Nothing,
        httpStatus = pHttpStatus_
      }

-- | An array of objects that describe the result of the action, such as the
-- status of the request, the timestamp of the request, and the resources
-- affected by the request.
detachInstancesFromLoadBalancerResponse_operations :: Lens.Lens' DetachInstancesFromLoadBalancerResponse (Prelude.Maybe [Operation])
detachInstancesFromLoadBalancerResponse_operations = Lens.lens (\DetachInstancesFromLoadBalancerResponse' {operations} -> operations) (\s@DetachInstancesFromLoadBalancerResponse' {} a -> s {operations = a} :: DetachInstancesFromLoadBalancerResponse) Prelude.. Lens.mapping Lens.coerced

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

instance
  Prelude.NFData
    DetachInstancesFromLoadBalancerResponse
  where
  rnf DetachInstancesFromLoadBalancerResponse' {..} =
    Prelude.rnf operations
      `Prelude.seq` Prelude.rnf httpStatus