{-# 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.DescribeBudget
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Describes a budget.
--
-- The Request Syntax section shows the @BudgetLimit@ syntax. For
-- @PlannedBudgetLimits@, see the
-- <https://docs.aws.amazon.com/aws-cost-management/latest/APIReference/API_budgets_DescribeBudget.html#API_DescribeBudget_Examples Examples>
-- section.
module Amazonka.Budgets.DescribeBudget
  ( -- * Creating a Request
    DescribeBudget (..),
    newDescribeBudget,

    -- * Request Lenses
    describeBudget_accountId,
    describeBudget_budgetName,

    -- * Destructuring the Response
    DescribeBudgetResponse (..),
    newDescribeBudgetResponse,

    -- * Response Lenses
    describeBudgetResponse_budget,
    describeBudgetResponse_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 DescribeBudget
--
-- /See:/ 'newDescribeBudget' smart constructor.
data DescribeBudget = DescribeBudget'
  { -- | The @accountId@ that is associated with the budget that you want a
    -- description of.
    accountId :: Prelude.Text,
    -- | The name of the budget that you want a description of.
    budgetName :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeBudget' 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:
--
-- 'accountId', 'describeBudget_accountId' - The @accountId@ that is associated with the budget that you want a
-- description of.
--
-- 'budgetName', 'describeBudget_budgetName' - The name of the budget that you want a description of.
newDescribeBudget ::
  -- | 'accountId'
  Prelude.Text ->
  -- | 'budgetName'
  Prelude.Text ->
  DescribeBudget
newDescribeBudget pAccountId_ pBudgetName_ =
  DescribeBudget'
    { accountId = pAccountId_,
      budgetName = pBudgetName_
    }

-- | The @accountId@ that is associated with the budget that you want a
-- description of.
describeBudget_accountId :: Lens.Lens' DescribeBudget Prelude.Text
describeBudget_accountId = Lens.lens (\DescribeBudget' {accountId} -> accountId) (\s@DescribeBudget' {} a -> s {accountId = a} :: DescribeBudget)

-- | The name of the budget that you want a description of.
describeBudget_budgetName :: Lens.Lens' DescribeBudget Prelude.Text
describeBudget_budgetName = Lens.lens (\DescribeBudget' {budgetName} -> budgetName) (\s@DescribeBudget' {} a -> s {budgetName = a} :: DescribeBudget)

instance Core.AWSRequest DescribeBudget where
  type
    AWSResponse DescribeBudget =
      DescribeBudgetResponse
  request overrides =
    Request.postJSON (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          DescribeBudgetResponse'
            Prelude.<$> (x Data..?> "Budget")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable DescribeBudget where
  hashWithSalt _salt DescribeBudget' {..} =
    _salt
      `Prelude.hashWithSalt` accountId
      `Prelude.hashWithSalt` budgetName

instance Prelude.NFData DescribeBudget where
  rnf DescribeBudget' {..} =
    Prelude.rnf accountId
      `Prelude.seq` Prelude.rnf budgetName

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

instance Data.ToJSON DescribeBudget where
  toJSON DescribeBudget' {..} =
    Data.object
      ( Prelude.catMaybes
          [ Prelude.Just ("AccountId" Data..= accountId),
            Prelude.Just ("BudgetName" Data..= budgetName)
          ]
      )

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

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

-- | Response of DescribeBudget
--
-- /See:/ 'newDescribeBudgetResponse' smart constructor.
data DescribeBudgetResponse = DescribeBudgetResponse'
  { -- | The description of the budget.
    budget :: Prelude.Maybe Budget,
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeBudgetResponse' 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:
--
-- 'budget', 'describeBudgetResponse_budget' - The description of the budget.
--
-- 'httpStatus', 'describeBudgetResponse_httpStatus' - The response's http status code.
newDescribeBudgetResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeBudgetResponse
newDescribeBudgetResponse pHttpStatus_ =
  DescribeBudgetResponse'
    { budget = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The description of the budget.
describeBudgetResponse_budget :: Lens.Lens' DescribeBudgetResponse (Prelude.Maybe Budget)
describeBudgetResponse_budget = Lens.lens (\DescribeBudgetResponse' {budget} -> budget) (\s@DescribeBudgetResponse' {} a -> s {budget = a} :: DescribeBudgetResponse)

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

instance Prelude.NFData DescribeBudgetResponse where
  rnf DescribeBudgetResponse' {..} =
    Prelude.rnf budget
      `Prelude.seq` Prelude.rnf httpStatus