{-# 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.Budgets.DescribeNotificationsForBudget
-- 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 notifications that are associated with a budget.
--
-- This operation returns paginated results.
module Amazonka.Budgets.DescribeNotificationsForBudget
  ( -- * Creating a Request
    DescribeNotificationsForBudget (..),
    newDescribeNotificationsForBudget,

    -- * Request Lenses
    describeNotificationsForBudget_maxResults,
    describeNotificationsForBudget_nextToken,
    describeNotificationsForBudget_accountId,
    describeNotificationsForBudget_budgetName,

    -- * Destructuring the Response
    DescribeNotificationsForBudgetResponse (..),
    newDescribeNotificationsForBudgetResponse,

    -- * Response Lenses
    describeNotificationsForBudgetResponse_nextToken,
    describeNotificationsForBudgetResponse_notifications,
    describeNotificationsForBudgetResponse_httpStatus,
  )
where

import Amazonka.Budgets.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

-- | Request of DescribeNotificationsForBudget
--
-- /See:/ 'newDescribeNotificationsForBudget' smart constructor.
data DescribeNotificationsForBudget = DescribeNotificationsForBudget'
  { -- | An optional integer that represents how many entries a paginated
    -- response contains. The maximum is 100.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | The pagination token that you include in your request to indicate the
    -- next set of results that you want to retrieve.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The @accountId@ that is associated with the budget whose notifications
    -- you want descriptions of.
    accountId :: Prelude.Text,
    -- | The name of the budget whose notifications you want descriptions of.
    budgetName :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeNotificationsForBudget' 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:
--
-- 'maxResults', 'describeNotificationsForBudget_maxResults' - An optional integer that represents how many entries a paginated
-- response contains. The maximum is 100.
--
-- 'nextToken', 'describeNotificationsForBudget_nextToken' - The pagination token that you include in your request to indicate the
-- next set of results that you want to retrieve.
--
-- 'accountId', 'describeNotificationsForBudget_accountId' - The @accountId@ that is associated with the budget whose notifications
-- you want descriptions of.
--
-- 'budgetName', 'describeNotificationsForBudget_budgetName' - The name of the budget whose notifications you want descriptions of.
newDescribeNotificationsForBudget ::
  -- | 'accountId'
  Prelude.Text ->
  -- | 'budgetName'
  Prelude.Text ->
  DescribeNotificationsForBudget
newDescribeNotificationsForBudget
  pAccountId_
  pBudgetName_ =
    DescribeNotificationsForBudget'
      { maxResults =
          Prelude.Nothing,
        nextToken = Prelude.Nothing,
        accountId = pAccountId_,
        budgetName = pBudgetName_
      }

-- | An optional integer that represents how many entries a paginated
-- response contains. The maximum is 100.
describeNotificationsForBudget_maxResults :: Lens.Lens' DescribeNotificationsForBudget (Prelude.Maybe Prelude.Natural)
describeNotificationsForBudget_maxResults = Lens.lens (\DescribeNotificationsForBudget' {maxResults} -> maxResults) (\s@DescribeNotificationsForBudget' {} a -> s {maxResults = a} :: DescribeNotificationsForBudget)

-- | The pagination token that you include in your request to indicate the
-- next set of results that you want to retrieve.
describeNotificationsForBudget_nextToken :: Lens.Lens' DescribeNotificationsForBudget (Prelude.Maybe Prelude.Text)
describeNotificationsForBudget_nextToken = Lens.lens (\DescribeNotificationsForBudget' {nextToken} -> nextToken) (\s@DescribeNotificationsForBudget' {} a -> s {nextToken = a} :: DescribeNotificationsForBudget)

-- | The @accountId@ that is associated with the budget whose notifications
-- you want descriptions of.
describeNotificationsForBudget_accountId :: Lens.Lens' DescribeNotificationsForBudget Prelude.Text
describeNotificationsForBudget_accountId = Lens.lens (\DescribeNotificationsForBudget' {accountId} -> accountId) (\s@DescribeNotificationsForBudget' {} a -> s {accountId = a} :: DescribeNotificationsForBudget)

-- | The name of the budget whose notifications you want descriptions of.
describeNotificationsForBudget_budgetName :: Lens.Lens' DescribeNotificationsForBudget Prelude.Text
describeNotificationsForBudget_budgetName = Lens.lens (\DescribeNotificationsForBudget' {budgetName} -> budgetName) (\s@DescribeNotificationsForBudget' {} a -> s {budgetName = a} :: DescribeNotificationsForBudget)

instance Core.AWSPager DescribeNotificationsForBudget where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? describeNotificationsForBudgetResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? describeNotificationsForBudgetResponse_notifications
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& describeNotificationsForBudget_nextToken
          Lens..~ rs
          Lens.^? describeNotificationsForBudgetResponse_nextToken
          Prelude.. Lens._Just

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

instance
  Prelude.Hashable
    DescribeNotificationsForBudget
  where
  hashWithSalt
    _salt
    DescribeNotificationsForBudget' {..} =
      _salt
        `Prelude.hashWithSalt` maxResults
        `Prelude.hashWithSalt` nextToken
        `Prelude.hashWithSalt` accountId
        `Prelude.hashWithSalt` budgetName

instance
  Prelude.NFData
    DescribeNotificationsForBudget
  where
  rnf DescribeNotificationsForBudget' {..} =
    Prelude.rnf maxResults
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf accountId
      `Prelude.seq` Prelude.rnf budgetName

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

instance Data.ToJSON DescribeNotificationsForBudget where
  toJSON DescribeNotificationsForBudget' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("MaxResults" Data..=) Prelude.<$> maxResults,
            ("NextToken" Data..=) Prelude.<$> nextToken,
            Prelude.Just ("AccountId" Data..= accountId),
            Prelude.Just ("BudgetName" Data..= budgetName)
          ]
      )

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

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

-- | Response of GetNotificationsForBudget
--
-- /See:/ 'newDescribeNotificationsForBudgetResponse' smart constructor.
data DescribeNotificationsForBudgetResponse = DescribeNotificationsForBudgetResponse'
  { -- | The pagination token in the service response that indicates the next set
    -- of results that you can retrieve.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | A list of notifications that are associated with a budget.
    notifications :: Prelude.Maybe [Notification],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeNotificationsForBudgetResponse' 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:
--
-- 'nextToken', 'describeNotificationsForBudgetResponse_nextToken' - The pagination token in the service response that indicates the next set
-- of results that you can retrieve.
--
-- 'notifications', 'describeNotificationsForBudgetResponse_notifications' - A list of notifications that are associated with a budget.
--
-- 'httpStatus', 'describeNotificationsForBudgetResponse_httpStatus' - The response's http status code.
newDescribeNotificationsForBudgetResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeNotificationsForBudgetResponse
newDescribeNotificationsForBudgetResponse
  pHttpStatus_ =
    DescribeNotificationsForBudgetResponse'
      { nextToken =
          Prelude.Nothing,
        notifications = Prelude.Nothing,
        httpStatus = pHttpStatus_
      }

-- | The pagination token in the service response that indicates the next set
-- of results that you can retrieve.
describeNotificationsForBudgetResponse_nextToken :: Lens.Lens' DescribeNotificationsForBudgetResponse (Prelude.Maybe Prelude.Text)
describeNotificationsForBudgetResponse_nextToken = Lens.lens (\DescribeNotificationsForBudgetResponse' {nextToken} -> nextToken) (\s@DescribeNotificationsForBudgetResponse' {} a -> s {nextToken = a} :: DescribeNotificationsForBudgetResponse)

-- | A list of notifications that are associated with a budget.
describeNotificationsForBudgetResponse_notifications :: Lens.Lens' DescribeNotificationsForBudgetResponse (Prelude.Maybe [Notification])
describeNotificationsForBudgetResponse_notifications = Lens.lens (\DescribeNotificationsForBudgetResponse' {notifications} -> notifications) (\s@DescribeNotificationsForBudgetResponse' {} a -> s {notifications = a} :: DescribeNotificationsForBudgetResponse) Prelude.. Lens.mapping Lens.coerced

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

instance
  Prelude.NFData
    DescribeNotificationsForBudgetResponse
  where
  rnf DescribeNotificationsForBudgetResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf notifications
      `Prelude.seq` Prelude.rnf httpStatus