{-# 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.CodeStarNotifications.ListEventTypes
-- 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 information about the event types available for configuring
-- notifications.
--
-- This operation returns paginated results.
module Amazonka.CodeStarNotifications.ListEventTypes
  ( -- * Creating a Request
    ListEventTypes (..),
    newListEventTypes,

    -- * Request Lenses
    listEventTypes_filters,
    listEventTypes_maxResults,
    listEventTypes_nextToken,

    -- * Destructuring the Response
    ListEventTypesResponse (..),
    newListEventTypesResponse,

    -- * Response Lenses
    listEventTypesResponse_eventTypes,
    listEventTypesResponse_nextToken,
    listEventTypesResponse_httpStatus,
  )
where

import Amazonka.CodeStarNotifications.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:/ 'newListEventTypes' smart constructor.
data ListEventTypes = ListEventTypes'
  { -- | The filters to use to return information by service or resource type.
    filters :: Prelude.Maybe [ListEventTypesFilter],
    -- | A non-negative integer used to limit the number of returned results. The
    -- default number is 50. The maximum number of results that can be returned
    -- is 100.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | An enumeration token that, when provided in a request, returns the next
    -- batch of the results.
    nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListEventTypes' 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:
--
-- 'filters', 'listEventTypes_filters' - The filters to use to return information by service or resource type.
--
-- 'maxResults', 'listEventTypes_maxResults' - A non-negative integer used to limit the number of returned results. The
-- default number is 50. The maximum number of results that can be returned
-- is 100.
--
-- 'nextToken', 'listEventTypes_nextToken' - An enumeration token that, when provided in a request, returns the next
-- batch of the results.
newListEventTypes ::
  ListEventTypes
newListEventTypes =
  ListEventTypes'
    { filters = Prelude.Nothing,
      maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

-- | The filters to use to return information by service or resource type.
listEventTypes_filters :: Lens.Lens' ListEventTypes (Prelude.Maybe [ListEventTypesFilter])
listEventTypes_filters = Lens.lens (\ListEventTypes' {filters} -> filters) (\s@ListEventTypes' {} a -> s {filters = a} :: ListEventTypes) Prelude.. Lens.mapping Lens.coerced

-- | A non-negative integer used to limit the number of returned results. The
-- default number is 50. The maximum number of results that can be returned
-- is 100.
listEventTypes_maxResults :: Lens.Lens' ListEventTypes (Prelude.Maybe Prelude.Natural)
listEventTypes_maxResults = Lens.lens (\ListEventTypes' {maxResults} -> maxResults) (\s@ListEventTypes' {} a -> s {maxResults = a} :: ListEventTypes)

-- | An enumeration token that, when provided in a request, returns the next
-- batch of the results.
listEventTypes_nextToken :: Lens.Lens' ListEventTypes (Prelude.Maybe Prelude.Text)
listEventTypes_nextToken = Lens.lens (\ListEventTypes' {nextToken} -> nextToken) (\s@ListEventTypes' {} a -> s {nextToken = a} :: ListEventTypes)

instance Core.AWSPager ListEventTypes where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listEventTypesResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listEventTypesResponse_eventTypes
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listEventTypes_nextToken
          Lens..~ rs
          Lens.^? listEventTypesResponse_nextToken
          Prelude.. Lens._Just

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

instance Prelude.Hashable ListEventTypes where
  hashWithSalt _salt ListEventTypes' {..} =
    _salt
      `Prelude.hashWithSalt` filters
      `Prelude.hashWithSalt` maxResults
      `Prelude.hashWithSalt` nextToken

instance Prelude.NFData ListEventTypes where
  rnf ListEventTypes' {..} =
    Prelude.rnf filters
      `Prelude.seq` Prelude.rnf maxResults
      `Prelude.seq` Prelude.rnf nextToken

instance Data.ToHeaders ListEventTypes where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON ListEventTypes where
  toJSON ListEventTypes' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("Filters" Data..=) Prelude.<$> filters,
            ("MaxResults" Data..=) Prelude.<$> maxResults,
            ("NextToken" Data..=) Prelude.<$> nextToken
          ]
      )

instance Data.ToPath ListEventTypes where
  toPath = Prelude.const "/listEventTypes"

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

-- | /See:/ 'newListEventTypesResponse' smart constructor.
data ListEventTypesResponse = ListEventTypesResponse'
  { -- | Information about each event, including service name, resource type,
    -- event ID, and event name.
    eventTypes :: Prelude.Maybe [EventTypeSummary],
    -- | An enumeration token that can be used in a request to return the next
    -- batch of the results.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListEventTypesResponse' 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:
--
-- 'eventTypes', 'listEventTypesResponse_eventTypes' - Information about each event, including service name, resource type,
-- event ID, and event name.
--
-- 'nextToken', 'listEventTypesResponse_nextToken' - An enumeration token that can be used in a request to return the next
-- batch of the results.
--
-- 'httpStatus', 'listEventTypesResponse_httpStatus' - The response's http status code.
newListEventTypesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListEventTypesResponse
newListEventTypesResponse pHttpStatus_ =
  ListEventTypesResponse'
    { eventTypes =
        Prelude.Nothing,
      nextToken = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | Information about each event, including service name, resource type,
-- event ID, and event name.
listEventTypesResponse_eventTypes :: Lens.Lens' ListEventTypesResponse (Prelude.Maybe [EventTypeSummary])
listEventTypesResponse_eventTypes = Lens.lens (\ListEventTypesResponse' {eventTypes} -> eventTypes) (\s@ListEventTypesResponse' {} a -> s {eventTypes = a} :: ListEventTypesResponse) Prelude.. Lens.mapping Lens.coerced

-- | An enumeration token that can be used in a request to return the next
-- batch of the results.
listEventTypesResponse_nextToken :: Lens.Lens' ListEventTypesResponse (Prelude.Maybe Prelude.Text)
listEventTypesResponse_nextToken = Lens.lens (\ListEventTypesResponse' {nextToken} -> nextToken) (\s@ListEventTypesResponse' {} a -> s {nextToken = a} :: ListEventTypesResponse)

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

instance Prelude.NFData ListEventTypesResponse where
  rnf ListEventTypesResponse' {..} =
    Prelude.rnf eventTypes
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf httpStatus