{-# 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.Greengrass.GetFunctionDefinition
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Retrieves information about a Lambda function definition, including its
-- creation time and latest version.
module Amazonka.Greengrass.GetFunctionDefinition
  ( -- * Creating a Request
    GetFunctionDefinition (..),
    newGetFunctionDefinition,

    -- * Request Lenses
    getFunctionDefinition_functionDefinitionId,

    -- * Destructuring the Response
    GetFunctionDefinitionResponse (..),
    newGetFunctionDefinitionResponse,

    -- * Response Lenses
    getFunctionDefinitionResponse_arn,
    getFunctionDefinitionResponse_creationTimestamp,
    getFunctionDefinitionResponse_id,
    getFunctionDefinitionResponse_lastUpdatedTimestamp,
    getFunctionDefinitionResponse_latestVersion,
    getFunctionDefinitionResponse_latestVersionArn,
    getFunctionDefinitionResponse_name,
    getFunctionDefinitionResponse_tags,
    getFunctionDefinitionResponse_httpStatus,
  )
where

import qualified Amazonka.Core as Core
import qualified Amazonka.Core.Lens.Internal as Lens
import qualified Amazonka.Data as Data
import Amazonka.Greengrass.Types
import qualified Amazonka.Prelude as Prelude
import qualified Amazonka.Request as Request
import qualified Amazonka.Response as Response

-- | /See:/ 'newGetFunctionDefinition' smart constructor.
data GetFunctionDefinition = GetFunctionDefinition'
  { -- | The ID of the Lambda function definition.
    functionDefinitionId :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetFunctionDefinition' 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:
--
-- 'functionDefinitionId', 'getFunctionDefinition_functionDefinitionId' - The ID of the Lambda function definition.
newGetFunctionDefinition ::
  -- | 'functionDefinitionId'
  Prelude.Text ->
  GetFunctionDefinition
newGetFunctionDefinition pFunctionDefinitionId_ =
  GetFunctionDefinition'
    { functionDefinitionId =
        pFunctionDefinitionId_
    }

-- | The ID of the Lambda function definition.
getFunctionDefinition_functionDefinitionId :: Lens.Lens' GetFunctionDefinition Prelude.Text
getFunctionDefinition_functionDefinitionId = Lens.lens (\GetFunctionDefinition' {functionDefinitionId} -> functionDefinitionId) (\s@GetFunctionDefinition' {} a -> s {functionDefinitionId = a} :: GetFunctionDefinition)

instance Core.AWSRequest GetFunctionDefinition where
  type
    AWSResponse GetFunctionDefinition =
      GetFunctionDefinitionResponse
  request overrides =
    Request.get (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          GetFunctionDefinitionResponse'
            Prelude.<$> (x Data..?> "Arn")
            Prelude.<*> (x Data..?> "CreationTimestamp")
            Prelude.<*> (x Data..?> "Id")
            Prelude.<*> (x Data..?> "LastUpdatedTimestamp")
            Prelude.<*> (x Data..?> "LatestVersion")
            Prelude.<*> (x Data..?> "LatestVersionArn")
            Prelude.<*> (x Data..?> "Name")
            Prelude.<*> (x Data..?> "tags" Core..!@ Prelude.mempty)
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable GetFunctionDefinition where
  hashWithSalt _salt GetFunctionDefinition' {..} =
    _salt `Prelude.hashWithSalt` functionDefinitionId

instance Prelude.NFData GetFunctionDefinition where
  rnf GetFunctionDefinition' {..} =
    Prelude.rnf functionDefinitionId

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

instance Data.ToPath GetFunctionDefinition where
  toPath GetFunctionDefinition' {..} =
    Prelude.mconcat
      [ "/greengrass/definition/functions/",
        Data.toBS functionDefinitionId
      ]

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

-- | /See:/ 'newGetFunctionDefinitionResponse' smart constructor.
data GetFunctionDefinitionResponse = GetFunctionDefinitionResponse'
  { -- | The ARN of the definition.
    arn :: Prelude.Maybe Prelude.Text,
    -- | The time, in milliseconds since the epoch, when the definition was
    -- created.
    creationTimestamp :: Prelude.Maybe Prelude.Text,
    -- | The ID of the definition.
    id :: Prelude.Maybe Prelude.Text,
    -- | The time, in milliseconds since the epoch, when the definition was last
    -- updated.
    lastUpdatedTimestamp :: Prelude.Maybe Prelude.Text,
    -- | The ID of the latest version associated with the definition.
    latestVersion :: Prelude.Maybe Prelude.Text,
    -- | The ARN of the latest version associated with the definition.
    latestVersionArn :: Prelude.Maybe Prelude.Text,
    -- | The name of the definition.
    name :: Prelude.Maybe Prelude.Text,
    -- | Tag(s) attached to the resource arn.
    tags :: Prelude.Maybe (Prelude.HashMap Prelude.Text Prelude.Text),
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'GetFunctionDefinitionResponse' 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:
--
-- 'arn', 'getFunctionDefinitionResponse_arn' - The ARN of the definition.
--
-- 'creationTimestamp', 'getFunctionDefinitionResponse_creationTimestamp' - The time, in milliseconds since the epoch, when the definition was
-- created.
--
-- 'id', 'getFunctionDefinitionResponse_id' - The ID of the definition.
--
-- 'lastUpdatedTimestamp', 'getFunctionDefinitionResponse_lastUpdatedTimestamp' - The time, in milliseconds since the epoch, when the definition was last
-- updated.
--
-- 'latestVersion', 'getFunctionDefinitionResponse_latestVersion' - The ID of the latest version associated with the definition.
--
-- 'latestVersionArn', 'getFunctionDefinitionResponse_latestVersionArn' - The ARN of the latest version associated with the definition.
--
-- 'name', 'getFunctionDefinitionResponse_name' - The name of the definition.
--
-- 'tags', 'getFunctionDefinitionResponse_tags' - Tag(s) attached to the resource arn.
--
-- 'httpStatus', 'getFunctionDefinitionResponse_httpStatus' - The response's http status code.
newGetFunctionDefinitionResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  GetFunctionDefinitionResponse
newGetFunctionDefinitionResponse pHttpStatus_ =
  GetFunctionDefinitionResponse'
    { arn =
        Prelude.Nothing,
      creationTimestamp = Prelude.Nothing,
      id = Prelude.Nothing,
      lastUpdatedTimestamp = Prelude.Nothing,
      latestVersion = Prelude.Nothing,
      latestVersionArn = Prelude.Nothing,
      name = Prelude.Nothing,
      tags = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The ARN of the definition.
getFunctionDefinitionResponse_arn :: Lens.Lens' GetFunctionDefinitionResponse (Prelude.Maybe Prelude.Text)
getFunctionDefinitionResponse_arn = Lens.lens (\GetFunctionDefinitionResponse' {arn} -> arn) (\s@GetFunctionDefinitionResponse' {} a -> s {arn = a} :: GetFunctionDefinitionResponse)

-- | The time, in milliseconds since the epoch, when the definition was
-- created.
getFunctionDefinitionResponse_creationTimestamp :: Lens.Lens' GetFunctionDefinitionResponse (Prelude.Maybe Prelude.Text)
getFunctionDefinitionResponse_creationTimestamp = Lens.lens (\GetFunctionDefinitionResponse' {creationTimestamp} -> creationTimestamp) (\s@GetFunctionDefinitionResponse' {} a -> s {creationTimestamp = a} :: GetFunctionDefinitionResponse)

-- | The ID of the definition.
getFunctionDefinitionResponse_id :: Lens.Lens' GetFunctionDefinitionResponse (Prelude.Maybe Prelude.Text)
getFunctionDefinitionResponse_id = Lens.lens (\GetFunctionDefinitionResponse' {id} -> id) (\s@GetFunctionDefinitionResponse' {} a -> s {id = a} :: GetFunctionDefinitionResponse)

-- | The time, in milliseconds since the epoch, when the definition was last
-- updated.
getFunctionDefinitionResponse_lastUpdatedTimestamp :: Lens.Lens' GetFunctionDefinitionResponse (Prelude.Maybe Prelude.Text)
getFunctionDefinitionResponse_lastUpdatedTimestamp = Lens.lens (\GetFunctionDefinitionResponse' {lastUpdatedTimestamp} -> lastUpdatedTimestamp) (\s@GetFunctionDefinitionResponse' {} a -> s {lastUpdatedTimestamp = a} :: GetFunctionDefinitionResponse)

-- | The ID of the latest version associated with the definition.
getFunctionDefinitionResponse_latestVersion :: Lens.Lens' GetFunctionDefinitionResponse (Prelude.Maybe Prelude.Text)
getFunctionDefinitionResponse_latestVersion = Lens.lens (\GetFunctionDefinitionResponse' {latestVersion} -> latestVersion) (\s@GetFunctionDefinitionResponse' {} a -> s {latestVersion = a} :: GetFunctionDefinitionResponse)

-- | The ARN of the latest version associated with the definition.
getFunctionDefinitionResponse_latestVersionArn :: Lens.Lens' GetFunctionDefinitionResponse (Prelude.Maybe Prelude.Text)
getFunctionDefinitionResponse_latestVersionArn = Lens.lens (\GetFunctionDefinitionResponse' {latestVersionArn} -> latestVersionArn) (\s@GetFunctionDefinitionResponse' {} a -> s {latestVersionArn = a} :: GetFunctionDefinitionResponse)

-- | The name of the definition.
getFunctionDefinitionResponse_name :: Lens.Lens' GetFunctionDefinitionResponse (Prelude.Maybe Prelude.Text)
getFunctionDefinitionResponse_name = Lens.lens (\GetFunctionDefinitionResponse' {name} -> name) (\s@GetFunctionDefinitionResponse' {} a -> s {name = a} :: GetFunctionDefinitionResponse)

-- | Tag(s) attached to the resource arn.
getFunctionDefinitionResponse_tags :: Lens.Lens' GetFunctionDefinitionResponse (Prelude.Maybe (Prelude.HashMap Prelude.Text Prelude.Text))
getFunctionDefinitionResponse_tags = Lens.lens (\GetFunctionDefinitionResponse' {tags} -> tags) (\s@GetFunctionDefinitionResponse' {} a -> s {tags = a} :: GetFunctionDefinitionResponse) Prelude.. Lens.mapping Lens.coerced

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

instance Prelude.NFData GetFunctionDefinitionResponse where
  rnf GetFunctionDefinitionResponse' {..} =
    Prelude.rnf arn
      `Prelude.seq` Prelude.rnf creationTimestamp
      `Prelude.seq` Prelude.rnf id
      `Prelude.seq` Prelude.rnf lastUpdatedTimestamp
      `Prelude.seq` Prelude.rnf latestVersion
      `Prelude.seq` Prelude.rnf latestVersionArn
      `Prelude.seq` Prelude.rnf name
      `Prelude.seq` Prelude.rnf tags
      `Prelude.seq` Prelude.rnf httpStatus