{-# 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.CloudWatchLogs.DescribeQueries
-- 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 CloudWatch Logs Insights queries that are scheduled,
-- running, or have been run recently in this account. You can request all
-- queries or limit it to queries of a specific log group or queries with a
-- certain status.
--
-- This operation returns paginated results.
module Amazonka.CloudWatchLogs.DescribeQueries
  ( -- * Creating a Request
    DescribeQueries (..),
    newDescribeQueries,

    -- * Request Lenses
    describeQueries_logGroupName,
    describeQueries_maxResults,
    describeQueries_nextToken,
    describeQueries_status,

    -- * Destructuring the Response
    DescribeQueriesResponse (..),
    newDescribeQueriesResponse,

    -- * Response Lenses
    describeQueriesResponse_nextToken,
    describeQueriesResponse_queries,
    describeQueriesResponse_httpStatus,
  )
where

import Amazonka.CloudWatchLogs.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:/ 'newDescribeQueries' smart constructor.
data DescribeQueries = DescribeQueries'
  { -- | Limits the returned queries to only those for the specified log group.
    logGroupName :: Prelude.Maybe Prelude.Text,
    -- | Limits the number of returned queries to the specified number.
    maxResults :: Prelude.Maybe Prelude.Natural,
    nextToken :: Prelude.Maybe Prelude.Text,
    -- | Limits the returned queries to only those that have the specified
    -- status. Valid values are @Cancelled@, @Complete@, @Failed@, @Running@,
    -- and @Scheduled@.
    status :: Prelude.Maybe QueryStatus
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeQueries' 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:
--
-- 'logGroupName', 'describeQueries_logGroupName' - Limits the returned queries to only those for the specified log group.
--
-- 'maxResults', 'describeQueries_maxResults' - Limits the number of returned queries to the specified number.
--
-- 'nextToken', 'describeQueries_nextToken' - Undocumented member.
--
-- 'status', 'describeQueries_status' - Limits the returned queries to only those that have the specified
-- status. Valid values are @Cancelled@, @Complete@, @Failed@, @Running@,
-- and @Scheduled@.
newDescribeQueries ::
  DescribeQueries
newDescribeQueries =
  DescribeQueries'
    { logGroupName = Prelude.Nothing,
      maxResults = Prelude.Nothing,
      nextToken = Prelude.Nothing,
      status = Prelude.Nothing
    }

-- | Limits the returned queries to only those for the specified log group.
describeQueries_logGroupName :: Lens.Lens' DescribeQueries (Prelude.Maybe Prelude.Text)
describeQueries_logGroupName = Lens.lens (\DescribeQueries' {logGroupName} -> logGroupName) (\s@DescribeQueries' {} a -> s {logGroupName = a} :: DescribeQueries)

-- | Limits the number of returned queries to the specified number.
describeQueries_maxResults :: Lens.Lens' DescribeQueries (Prelude.Maybe Prelude.Natural)
describeQueries_maxResults = Lens.lens (\DescribeQueries' {maxResults} -> maxResults) (\s@DescribeQueries' {} a -> s {maxResults = a} :: DescribeQueries)

-- | Undocumented member.
describeQueries_nextToken :: Lens.Lens' DescribeQueries (Prelude.Maybe Prelude.Text)
describeQueries_nextToken = Lens.lens (\DescribeQueries' {nextToken} -> nextToken) (\s@DescribeQueries' {} a -> s {nextToken = a} :: DescribeQueries)

-- | Limits the returned queries to only those that have the specified
-- status. Valid values are @Cancelled@, @Complete@, @Failed@, @Running@,
-- and @Scheduled@.
describeQueries_status :: Lens.Lens' DescribeQueries (Prelude.Maybe QueryStatus)
describeQueries_status = Lens.lens (\DescribeQueries' {status} -> status) (\s@DescribeQueries' {} a -> s {status = a} :: DescribeQueries)

instance Core.AWSPager DescribeQueries where
  page rq rs
    | Core.stop
        ( rs
            Lens.^? describeQueriesResponse_nextToken
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Core.stop
        ( rs
            Lens.^? describeQueriesResponse_queries
            Prelude.. Lens._Just
        ) =
        Prelude.Nothing
    | Prelude.otherwise =
        Prelude.Just
          Prelude.$ rq
          Prelude.& describeQueries_nextToken
          Lens..~ rs
          Lens.^? describeQueriesResponse_nextToken
          Prelude.. Lens._Just

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

instance Prelude.Hashable DescribeQueries where
  hashWithSalt _salt DescribeQueries' {..} =
    _salt
      `Prelude.hashWithSalt` logGroupName
      `Prelude.hashWithSalt` maxResults
      `Prelude.hashWithSalt` nextToken
      `Prelude.hashWithSalt` status

instance Prelude.NFData DescribeQueries where
  rnf DescribeQueries' {..} =
    Prelude.rnf logGroupName
      `Prelude.seq` Prelude.rnf maxResults
      `Prelude.seq` Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf status

instance Data.ToHeaders DescribeQueries where
  toHeaders =
    Prelude.const
      ( Prelude.mconcat
          [ "X-Amz-Target"
              Data.=# ( "Logs_20140328.DescribeQueries" ::
                          Prelude.ByteString
                      ),
            "Content-Type"
              Data.=# ( "application/x-amz-json-1.1" ::
                          Prelude.ByteString
                      )
          ]
      )

instance Data.ToJSON DescribeQueries where
  toJSON DescribeQueries' {..} =
    Data.object
      ( Prelude.catMaybes
          [ ("logGroupName" Data..=) Prelude.<$> logGroupName,
            ("maxResults" Data..=) Prelude.<$> maxResults,
            ("nextToken" Data..=) Prelude.<$> nextToken,
            ("status" Data..=) Prelude.<$> status
          ]
      )

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

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

-- | /See:/ 'newDescribeQueriesResponse' smart constructor.
data DescribeQueriesResponse = DescribeQueriesResponse'
  { nextToken :: Prelude.Maybe Prelude.Text,
    -- | The list of queries that match the request.
    queries :: Prelude.Maybe [QueryInfo],
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeQueriesResponse' 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', 'describeQueriesResponse_nextToken' - Undocumented member.
--
-- 'queries', 'describeQueriesResponse_queries' - The list of queries that match the request.
--
-- 'httpStatus', 'describeQueriesResponse_httpStatus' - The response's http status code.
newDescribeQueriesResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeQueriesResponse
newDescribeQueriesResponse pHttpStatus_ =
  DescribeQueriesResponse'
    { nextToken =
        Prelude.Nothing,
      queries = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | Undocumented member.
describeQueriesResponse_nextToken :: Lens.Lens' DescribeQueriesResponse (Prelude.Maybe Prelude.Text)
describeQueriesResponse_nextToken = Lens.lens (\DescribeQueriesResponse' {nextToken} -> nextToken) (\s@DescribeQueriesResponse' {} a -> s {nextToken = a} :: DescribeQueriesResponse)

-- | The list of queries that match the request.
describeQueriesResponse_queries :: Lens.Lens' DescribeQueriesResponse (Prelude.Maybe [QueryInfo])
describeQueriesResponse_queries = Lens.lens (\DescribeQueriesResponse' {queries} -> queries) (\s@DescribeQueriesResponse' {} a -> s {queries = a} :: DescribeQueriesResponse) Prelude.. Lens.mapping Lens.coerced

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

instance Prelude.NFData DescribeQueriesResponse where
  rnf DescribeQueriesResponse' {..} =
    Prelude.rnf nextToken
      `Prelude.seq` Prelude.rnf queries
      `Prelude.seq` Prelude.rnf httpStatus