{-# 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.ResourceGroups.ListGroupResources
-- 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 a list of ARNs of the resources that are members of a specified
-- resource group.
--
-- __Minimum permissions__
--
-- To run this command, you must have the following permissions:
--
-- -   @resource-groups:ListGroupResources@
--
-- -   @cloudformation:DescribeStacks@
--
-- -   @cloudformation:ListStackResources@
--
-- -   @tag:GetResources@
--
-- This operation returns paginated results.
module Amazonka.ResourceGroups.ListGroupResources
  ( -- * Creating a Request
    ListGroupResources (..),
    newListGroupResources,

    -- * Request Lenses
    listGroupResources_filters,
    listGroupResources_group,
    listGroupResources_groupName,
    listGroupResources_maxResults,
    listGroupResources_nextToken,

    -- * Destructuring the Response
    ListGroupResourcesResponse (..),
    newListGroupResourcesResponse,

    -- * Response Lenses
    listGroupResourcesResponse_nextToken,
    listGroupResourcesResponse_queryErrors,
    listGroupResourcesResponse_resourceIdentifiers,
    listGroupResourcesResponse_resources,
    listGroupResourcesResponse_httpStatus,
  )
where

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 Amazonka.ResourceGroups.Types
import qualified Amazonka.Response as Response

-- | /See:/ 'newListGroupResources' smart constructor.
data ListGroupResources = ListGroupResources'
  { -- | Filters, formatted as ResourceFilter objects, that you want to apply to
    -- a @ListGroupResources@ operation. Filters the results to include only
    -- those of the specified resource types.
    --
    -- -   @resource-type@ - Filter resources by their type. Specify up to five
    --     resource types in the format @AWS::ServiceCode::ResourceType@. For
    --     example, @AWS::EC2::Instance@, or @AWS::S3::Bucket@.
    --
    -- When you specify a @resource-type@ filter for @ListGroupResources@, AWS
    -- Resource Groups validates your filter resource types against the types
    -- that are defined in the query associated with the group. For example, if
    -- a group contains only S3 buckets because its query specifies only that
    -- resource type, but your @resource-type@ filter includes EC2 instances,
    -- AWS Resource Groups does not filter for EC2 instances. In this case, a
    -- @ListGroupResources@ request returns a @BadRequestException@ error with
    -- a message similar to the following:
    --
    -- @The resource types specified as filters in the request are not valid.@
    --
    -- The error includes a list of resource types that failed the validation
    -- because they are not part of the query associated with the group. This
    -- validation doesn\'t occur when the group query specifies
    -- @AWS::AllSupported@, because a group based on such a query can contain
    -- any of the allowed resource types for the query type (tag-based or AWS
    -- CloudFormation stack-based queries).
    filters :: Prelude.Maybe [ResourceFilter],
    -- | The name or the ARN of the resource group
    group' :: Prelude.Maybe Prelude.Text,
    -- | /__Deprecated - don\'t use this parameter. Use the @Group@ request field
    -- instead.__/
    groupName :: Prelude.Maybe Prelude.Text,
    -- | The total number of results that you want included on each page of the
    -- response. If you do not include this parameter, it defaults to a value
    -- that is specific to the operation. If additional items exist beyond the
    -- maximum you specify, the @NextToken@ response element is present and has
    -- a value (is not null). Include that value as the @NextToken@ request
    -- parameter in the next call to the operation to get the next part of the
    -- results. Note that the service might return fewer results than the
    -- maximum even when there are more results available. You should check
    -- @NextToken@ after every operation to ensure that you receive all of the
    -- results.
    maxResults :: Prelude.Maybe Prelude.Natural,
    -- | The parameter for receiving additional results if you receive a
    -- @NextToken@ response in a previous request. A @NextToken@ response
    -- indicates that more output is available. Set this parameter to the value
    -- provided by a previous call\'s @NextToken@ response to indicate where
    -- the output should continue from.
    nextToken :: Prelude.Maybe Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListGroupResources' 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', 'listGroupResources_filters' - Filters, formatted as ResourceFilter objects, that you want to apply to
-- a @ListGroupResources@ operation. Filters the results to include only
-- those of the specified resource types.
--
-- -   @resource-type@ - Filter resources by their type. Specify up to five
--     resource types in the format @AWS::ServiceCode::ResourceType@. For
--     example, @AWS::EC2::Instance@, or @AWS::S3::Bucket@.
--
-- When you specify a @resource-type@ filter for @ListGroupResources@, AWS
-- Resource Groups validates your filter resource types against the types
-- that are defined in the query associated with the group. For example, if
-- a group contains only S3 buckets because its query specifies only that
-- resource type, but your @resource-type@ filter includes EC2 instances,
-- AWS Resource Groups does not filter for EC2 instances. In this case, a
-- @ListGroupResources@ request returns a @BadRequestException@ error with
-- a message similar to the following:
--
-- @The resource types specified as filters in the request are not valid.@
--
-- The error includes a list of resource types that failed the validation
-- because they are not part of the query associated with the group. This
-- validation doesn\'t occur when the group query specifies
-- @AWS::AllSupported@, because a group based on such a query can contain
-- any of the allowed resource types for the query type (tag-based or AWS
-- CloudFormation stack-based queries).
--
-- 'group'', 'listGroupResources_group' - The name or the ARN of the resource group
--
-- 'groupName', 'listGroupResources_groupName' - /__Deprecated - don\'t use this parameter. Use the @Group@ request field
-- instead.__/
--
-- 'maxResults', 'listGroupResources_maxResults' - The total number of results that you want included on each page of the
-- response. If you do not include this parameter, it defaults to a value
-- that is specific to the operation. If additional items exist beyond the
-- maximum you specify, the @NextToken@ response element is present and has
-- a value (is not null). Include that value as the @NextToken@ request
-- parameter in the next call to the operation to get the next part of the
-- results. Note that the service might return fewer results than the
-- maximum even when there are more results available. You should check
-- @NextToken@ after every operation to ensure that you receive all of the
-- results.
--
-- 'nextToken', 'listGroupResources_nextToken' - The parameter for receiving additional results if you receive a
-- @NextToken@ response in a previous request. A @NextToken@ response
-- indicates that more output is available. Set this parameter to the value
-- provided by a previous call\'s @NextToken@ response to indicate where
-- the output should continue from.
newListGroupResources ::
  ListGroupResources
newListGroupResources =
  ListGroupResources'
    { filters = Prelude.Nothing,
      group' = Prelude.Nothing,
      groupName = Prelude.Nothing,
      maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing
    }

-- | Filters, formatted as ResourceFilter objects, that you want to apply to
-- a @ListGroupResources@ operation. Filters the results to include only
-- those of the specified resource types.
--
-- -   @resource-type@ - Filter resources by their type. Specify up to five
--     resource types in the format @AWS::ServiceCode::ResourceType@. For
--     example, @AWS::EC2::Instance@, or @AWS::S3::Bucket@.
--
-- When you specify a @resource-type@ filter for @ListGroupResources@, AWS
-- Resource Groups validates your filter resource types against the types
-- that are defined in the query associated with the group. For example, if
-- a group contains only S3 buckets because its query specifies only that
-- resource type, but your @resource-type@ filter includes EC2 instances,
-- AWS Resource Groups does not filter for EC2 instances. In this case, a
-- @ListGroupResources@ request returns a @BadRequestException@ error with
-- a message similar to the following:
--
-- @The resource types specified as filters in the request are not valid.@
--
-- The error includes a list of resource types that failed the validation
-- because they are not part of the query associated with the group. This
-- validation doesn\'t occur when the group query specifies
-- @AWS::AllSupported@, because a group based on such a query can contain
-- any of the allowed resource types for the query type (tag-based or AWS
-- CloudFormation stack-based queries).
listGroupResources_filters :: Lens.Lens' ListGroupResources (Prelude.Maybe [ResourceFilter])
listGroupResources_filters = Lens.lens (\ListGroupResources' {filters} -> filters) (\s@ListGroupResources' {} a -> s {filters = a} :: ListGroupResources) Prelude.. Lens.mapping Lens.coerced

-- | The name or the ARN of the resource group
listGroupResources_group :: Lens.Lens' ListGroupResources (Prelude.Maybe Prelude.Text)
listGroupResources_group = Lens.lens (\ListGroupResources' {group'} -> group') (\s@ListGroupResources' {} a -> s {group' = a} :: ListGroupResources)

-- | /__Deprecated - don\'t use this parameter. Use the @Group@ request field
-- instead.__/
listGroupResources_groupName :: Lens.Lens' ListGroupResources (Prelude.Maybe Prelude.Text)
listGroupResources_groupName = Lens.lens (\ListGroupResources' {groupName} -> groupName) (\s@ListGroupResources' {} a -> s {groupName = a} :: ListGroupResources)

-- | The total number of results that you want included on each page of the
-- response. If you do not include this parameter, it defaults to a value
-- that is specific to the operation. If additional items exist beyond the
-- maximum you specify, the @NextToken@ response element is present and has
-- a value (is not null). Include that value as the @NextToken@ request
-- parameter in the next call to the operation to get the next part of the
-- results. Note that the service might return fewer results than the
-- maximum even when there are more results available. You should check
-- @NextToken@ after every operation to ensure that you receive all of the
-- results.
listGroupResources_maxResults :: Lens.Lens' ListGroupResources (Prelude.Maybe Prelude.Natural)
listGroupResources_maxResults = Lens.lens (\ListGroupResources' {maxResults} -> maxResults) (\s@ListGroupResources' {} a -> s {maxResults = a} :: ListGroupResources)

-- | The parameter for receiving additional results if you receive a
-- @NextToken@ response in a previous request. A @NextToken@ response
-- indicates that more output is available. Set this parameter to the value
-- provided by a previous call\'s @NextToken@ response to indicate where
-- the output should continue from.
listGroupResources_nextToken :: Lens.Lens' ListGroupResources (Prelude.Maybe Prelude.Text)
listGroupResources_nextToken = Lens.lens (\ListGroupResources' {nextToken} -> nextToken) (\s@ListGroupResources' {} a -> s {nextToken = a} :: ListGroupResources)

instance Core.AWSPager ListGroupResources where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? listGroupResourcesResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listGroupResourcesResponse_resourceIdentifiers
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? listGroupResourcesResponse_resources
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& listGroupResources_nextToken
          Lens..~ rs
          Lens.^? listGroupResourcesResponse_nextToken
          Prelude.. Lens._Just

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

instance Prelude.Hashable ListGroupResources where
  hashWithSalt _salt ListGroupResources' {..} =
    _salt
      `Prelude.hashWithSalt` filters
      `Prelude.hashWithSalt` group'
      `Prelude.hashWithSalt` groupName
      `Prelude.hashWithSalt` maxResults
      `Prelude.hashWithSalt` nextToken

instance Prelude.NFData ListGroupResources where
  rnf ListGroupResources' {..} =
    Prelude.rnf filters
      `Prelude.seq` Prelude.rnf group'
      `Prelude.seq` Prelude.rnf groupName
      `Prelude.seq` Prelude.rnf maxResults
      `Prelude.seq` Prelude.rnf nextToken

instance Data.ToHeaders ListGroupResources where
  toHeaders = Prelude.const Prelude.mempty

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

instance Data.ToPath ListGroupResources where
  toPath = Prelude.const "/list-group-resources"

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

-- | /See:/ 'newListGroupResourcesResponse' smart constructor.
data ListGroupResourcesResponse = ListGroupResourcesResponse'
  { -- | If present, indicates that more output is available than is included in
    -- the current response. Use this value in the @NextToken@ request
    -- parameter in a subsequent call to the operation to get the next part of
    -- the output. You should repeat this until the @NextToken@ response
    -- element comes back as @null@.
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | A list of @QueryError@ objects. Each error is an object that contains
    -- @ErrorCode@ and @Message@ structures. Possible values for @ErrorCode@
    -- are @CLOUDFORMATION_STACK_INACTIVE@ and
    -- @CLOUDFORMATION_STACK_NOT_EXISTING@.
    queryErrors :: Prelude.Maybe [QueryError],
    -- | __/Deprecated - don\'t use this parameter. Use the @Resources@ response
    -- field instead./__
    resourceIdentifiers :: Prelude.Maybe [ResourceIdentifier],
    -- | An array of resources from which you can determine each resource\'s
    -- identity, type, and group membership status.
    resources :: Prelude.Maybe [ListGroupResourcesItem],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'ListGroupResourcesResponse' 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', 'listGroupResourcesResponse_nextToken' - If present, indicates that more output is available than is included in
-- the current response. Use this value in the @NextToken@ request
-- parameter in a subsequent call to the operation to get the next part of
-- the output. You should repeat this until the @NextToken@ response
-- element comes back as @null@.
--
-- 'queryErrors', 'listGroupResourcesResponse_queryErrors' - A list of @QueryError@ objects. Each error is an object that contains
-- @ErrorCode@ and @Message@ structures. Possible values for @ErrorCode@
-- are @CLOUDFORMATION_STACK_INACTIVE@ and
-- @CLOUDFORMATION_STACK_NOT_EXISTING@.
--
-- 'resourceIdentifiers', 'listGroupResourcesResponse_resourceIdentifiers' - __/Deprecated - don\'t use this parameter. Use the @Resources@ response
-- field instead./__
--
-- 'resources', 'listGroupResourcesResponse_resources' - An array of resources from which you can determine each resource\'s
-- identity, type, and group membership status.
--
-- 'httpStatus', 'listGroupResourcesResponse_httpStatus' - The response's http status code.
newListGroupResourcesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  ListGroupResourcesResponse
newListGroupResourcesResponse pHttpStatus_ =
  ListGroupResourcesResponse'
    { nextToken =
        Prelude.Nothing,
      queryErrors = Prelude.Nothing,
      resourceIdentifiers = Prelude.Nothing,
      resources = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | If present, indicates that more output is available than is included in
-- the current response. Use this value in the @NextToken@ request
-- parameter in a subsequent call to the operation to get the next part of
-- the output. You should repeat this until the @NextToken@ response
-- element comes back as @null@.
listGroupResourcesResponse_nextToken :: Lens.Lens' ListGroupResourcesResponse (Prelude.Maybe Prelude.Text)
listGroupResourcesResponse_nextToken = Lens.lens (\ListGroupResourcesResponse' {nextToken} -> nextToken) (\s@ListGroupResourcesResponse' {} a -> s {nextToken = a} :: ListGroupResourcesResponse)

-- | A list of @QueryError@ objects. Each error is an object that contains
-- @ErrorCode@ and @Message@ structures. Possible values for @ErrorCode@
-- are @CLOUDFORMATION_STACK_INACTIVE@ and
-- @CLOUDFORMATION_STACK_NOT_EXISTING@.
listGroupResourcesResponse_queryErrors :: Lens.Lens' ListGroupResourcesResponse (Prelude.Maybe [QueryError])
listGroupResourcesResponse_queryErrors = Lens.lens (\ListGroupResourcesResponse' {queryErrors} -> queryErrors) (\s@ListGroupResourcesResponse' {} a -> s {queryErrors = a} :: ListGroupResourcesResponse) Prelude.. Lens.mapping Lens.coerced

-- | __/Deprecated - don\'t use this parameter. Use the @Resources@ response
-- field instead./__
listGroupResourcesResponse_resourceIdentifiers :: Lens.Lens' ListGroupResourcesResponse (Prelude.Maybe [ResourceIdentifier])
listGroupResourcesResponse_resourceIdentifiers = Lens.lens (\ListGroupResourcesResponse' {resourceIdentifiers} -> resourceIdentifiers) (\s@ListGroupResourcesResponse' {} a -> s {resourceIdentifiers = a} :: ListGroupResourcesResponse) Prelude.. Lens.mapping Lens.coerced

-- | An array of resources from which you can determine each resource\'s
-- identity, type, and group membership status.
listGroupResourcesResponse_resources :: Lens.Lens' ListGroupResourcesResponse (Prelude.Maybe [ListGroupResourcesItem])
listGroupResourcesResponse_resources = Lens.lens (\ListGroupResourcesResponse' {resources} -> resources) (\s@ListGroupResourcesResponse' {} a -> s {resources = a} :: ListGroupResourcesResponse) Prelude.. Lens.mapping Lens.coerced

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

instance Prelude.NFData ListGroupResourcesResponse where
  rnf ListGroupResourcesResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf queryErrors
      `Prelude.seq` Prelude.rnf resourceIdentifiers
      `Prelude.seq` Prelude.rnf resources
      `Prelude.seq` Prelude.rnf httpStatus