{-# 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.AWSHealth.DescribeEntityAggregates
-- 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 the number of entities that are affected by each of the
-- specified events.
module Amazonka.AWSHealth.DescribeEntityAggregates
  ( -- * Creating a Request
    DescribeEntityAggregates (..),
    newDescribeEntityAggregates,

    -- * Request Lenses
    describeEntityAggregates_eventArns,

    -- * Destructuring the Response
    DescribeEntityAggregatesResponse (..),
    newDescribeEntityAggregatesResponse,

    -- * Response Lenses
    describeEntityAggregatesResponse_entityAggregates,
    describeEntityAggregatesResponse_httpStatus,
  )
where

import Amazonka.AWSHealth.Types
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

-- | /See:/ 'newDescribeEntityAggregates' smart constructor.
data DescribeEntityAggregates = DescribeEntityAggregates'
  { -- | A list of event ARNs (unique identifiers). For example:
    -- @\"arn:aws:health:us-east-1::event\/EC2\/EC2_INSTANCE_RETIREMENT_SCHEDULED\/EC2_INSTANCE_RETIREMENT_SCHEDULED_ABC123-CDE456\", \"arn:aws:health:us-west-1::event\/EBS\/AWS_EBS_LOST_VOLUME\/AWS_EBS_LOST_VOLUME_CHI789_JKL101\"@
    eventArns :: Prelude.Maybe (Prelude.NonEmpty Prelude.Text)
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeEntityAggregates' 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:
--
-- 'eventArns', 'describeEntityAggregates_eventArns' - A list of event ARNs (unique identifiers). For example:
-- @\"arn:aws:health:us-east-1::event\/EC2\/EC2_INSTANCE_RETIREMENT_SCHEDULED\/EC2_INSTANCE_RETIREMENT_SCHEDULED_ABC123-CDE456\", \"arn:aws:health:us-west-1::event\/EBS\/AWS_EBS_LOST_VOLUME\/AWS_EBS_LOST_VOLUME_CHI789_JKL101\"@
newDescribeEntityAggregates ::
  DescribeEntityAggregates
newDescribeEntityAggregates =
  DescribeEntityAggregates'
    { eventArns =
        Prelude.Nothing
    }

-- | A list of event ARNs (unique identifiers). For example:
-- @\"arn:aws:health:us-east-1::event\/EC2\/EC2_INSTANCE_RETIREMENT_SCHEDULED\/EC2_INSTANCE_RETIREMENT_SCHEDULED_ABC123-CDE456\", \"arn:aws:health:us-west-1::event\/EBS\/AWS_EBS_LOST_VOLUME\/AWS_EBS_LOST_VOLUME_CHI789_JKL101\"@
describeEntityAggregates_eventArns :: Lens.Lens' DescribeEntityAggregates (Prelude.Maybe (Prelude.NonEmpty Prelude.Text))
describeEntityAggregates_eventArns = Lens.lens (\DescribeEntityAggregates' {eventArns} -> eventArns) (\s@DescribeEntityAggregates' {} a -> s {eventArns = a} :: DescribeEntityAggregates) Prelude.. Lens.mapping Lens.coerced

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

instance Prelude.Hashable DescribeEntityAggregates where
  hashWithSalt _salt DescribeEntityAggregates' {..} =
    _salt `Prelude.hashWithSalt` eventArns

instance Prelude.NFData DescribeEntityAggregates where
  rnf DescribeEntityAggregates' {..} =
    Prelude.rnf eventArns

instance Data.ToHeaders DescribeEntityAggregates where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "AWSHealth_20160804.DescribeEntityAggregates" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

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

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

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

-- | /See:/ 'newDescribeEntityAggregatesResponse' smart constructor.
data DescribeEntityAggregatesResponse = DescribeEntityAggregatesResponse'
  { -- | The number of entities that are affected by each of the specified
    -- events.
    entityAggregates :: Prelude.Maybe [EntityAggregate],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeEntityAggregatesResponse' 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:
--
-- 'entityAggregates', 'describeEntityAggregatesResponse_entityAggregates' - The number of entities that are affected by each of the specified
-- events.
--
-- 'httpStatus', 'describeEntityAggregatesResponse_httpStatus' - The response's http status code.
newDescribeEntityAggregatesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeEntityAggregatesResponse
newDescribeEntityAggregatesResponse pHttpStatus_ =
  DescribeEntityAggregatesResponse'
    { entityAggregates =
        Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The number of entities that are affected by each of the specified
-- events.
describeEntityAggregatesResponse_entityAggregates :: Lens.Lens' DescribeEntityAggregatesResponse (Prelude.Maybe [EntityAggregate])
describeEntityAggregatesResponse_entityAggregates = Lens.lens (\DescribeEntityAggregatesResponse' {entityAggregates} -> entityAggregates) (\s@DescribeEntityAggregatesResponse' {} a -> s {entityAggregates = a} :: DescribeEntityAggregatesResponse) Prelude.. Lens.mapping Lens.coerced

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

instance
  Prelude.NFData
    DescribeEntityAggregatesResponse
  where
  rnf DescribeEntityAggregatesResponse' {..} =
    Prelude.rnf entityAggregates
      `Prelude.seq` Prelude.rnf httpStatus