{-# 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.Schemas.DescribeSchema
-- Copyright   : (c) 2013-2023 Brendan Hay
-- License     : Mozilla Public License, v. 2.0.
-- Maintainer  : Brendan Hay
-- Stability   : auto-generated
-- Portability : non-portable (GHC extensions)
--
-- Retrieve the schema definition.
module Amazonka.Schemas.DescribeSchema
  ( -- * Creating a Request
    DescribeSchema (..),
    newDescribeSchema,

    -- * Request Lenses
    describeSchema_schemaVersion,
    describeSchema_registryName,
    describeSchema_schemaName,

    -- * Destructuring the Response
    DescribeSchemaResponse (..),
    newDescribeSchemaResponse,

    -- * Response Lenses
    describeSchemaResponse_content,
    describeSchemaResponse_description,
    describeSchemaResponse_lastModified,
    describeSchemaResponse_schemaArn,
    describeSchemaResponse_schemaName,
    describeSchemaResponse_schemaVersion,
    describeSchemaResponse_tags,
    describeSchemaResponse_type,
    describeSchemaResponse_versionCreatedDate,
    describeSchemaResponse_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 qualified Amazonka.Response as Response
import Amazonka.Schemas.Types

-- | /See:/ 'newDescribeSchema' smart constructor.
data DescribeSchema = DescribeSchema'
  { -- | Specifying this limits the results to only this schema version.
    schemaVersion :: Prelude.Maybe Prelude.Text,
    -- | The name of the registry.
    registryName :: Prelude.Text,
    -- | The name of the schema.
    schemaName :: Prelude.Text
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeSchema' 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:
--
-- 'schemaVersion', 'describeSchema_schemaVersion' - Specifying this limits the results to only this schema version.
--
-- 'registryName', 'describeSchema_registryName' - The name of the registry.
--
-- 'schemaName', 'describeSchema_schemaName' - The name of the schema.
newDescribeSchema ::
  -- | 'registryName'
  Prelude.Text ->
  -- | 'schemaName'
  Prelude.Text ->
  DescribeSchema
newDescribeSchema pRegistryName_ pSchemaName_ =
  DescribeSchema'
    { schemaVersion = Prelude.Nothing,
      registryName = pRegistryName_,
      schemaName = pSchemaName_
    }

-- | Specifying this limits the results to only this schema version.
describeSchema_schemaVersion :: Lens.Lens' DescribeSchema (Prelude.Maybe Prelude.Text)
describeSchema_schemaVersion = Lens.lens (\DescribeSchema' {schemaVersion} -> schemaVersion) (\s@DescribeSchema' {} a -> s {schemaVersion = a} :: DescribeSchema)

-- | The name of the registry.
describeSchema_registryName :: Lens.Lens' DescribeSchema Prelude.Text
describeSchema_registryName = Lens.lens (\DescribeSchema' {registryName} -> registryName) (\s@DescribeSchema' {} a -> s {registryName = a} :: DescribeSchema)

-- | The name of the schema.
describeSchema_schemaName :: Lens.Lens' DescribeSchema Prelude.Text
describeSchema_schemaName = Lens.lens (\DescribeSchema' {schemaName} -> schemaName) (\s@DescribeSchema' {} a -> s {schemaName = a} :: DescribeSchema)

instance Core.AWSRequest DescribeSchema where
  type
    AWSResponse DescribeSchema =
      DescribeSchemaResponse
  request overrides =
    Request.get (overrides defaultService)
  response =
    Response.receiveJSON
      ( \s h x ->
          DescribeSchemaResponse'
            Prelude.<$> (x Data..?> "Content")
            Prelude.<*> (x Data..?> "Description")
            Prelude.<*> (x Data..?> "LastModified")
            Prelude.<*> (x Data..?> "SchemaArn")
            Prelude.<*> (x Data..?> "SchemaName")
            Prelude.<*> (x Data..?> "SchemaVersion")
            Prelude.<*> (x Data..?> "tags" Core..!@ Prelude.mempty)
            Prelude.<*> (x Data..?> "Type")
            Prelude.<*> (x Data..?> "VersionCreatedDate")
            Prelude.<*> (Prelude.pure (Prelude.fromEnum s))
      )

instance Prelude.Hashable DescribeSchema where
  hashWithSalt _salt DescribeSchema' {..} =
    _salt
      `Prelude.hashWithSalt` schemaVersion
      `Prelude.hashWithSalt` registryName
      `Prelude.hashWithSalt` schemaName

instance Prelude.NFData DescribeSchema where
  rnf DescribeSchema' {..} =
    Prelude.rnf schemaVersion
      `Prelude.seq` Prelude.rnf registryName
      `Prelude.seq` Prelude.rnf schemaName

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

instance Data.ToPath DescribeSchema where
  toPath DescribeSchema' {..} =
    Prelude.mconcat
      [ "/v1/registries/name/",
        Data.toBS registryName,
        "/schemas/name/",
        Data.toBS schemaName
      ]

instance Data.ToQuery DescribeSchema where
  toQuery DescribeSchema' {..} =
    Prelude.mconcat
      ["schemaVersion" Data.=: schemaVersion]

-- | /See:/ 'newDescribeSchemaResponse' smart constructor.
data DescribeSchemaResponse = DescribeSchemaResponse'
  { -- | The source of the schema definition.
    content :: Prelude.Maybe Prelude.Text,
    -- | The description of the schema.
    description :: Prelude.Maybe Prelude.Text,
    -- | The date and time that schema was modified.
    lastModified :: Prelude.Maybe Data.ISO8601,
    -- | The ARN of the schema.
    schemaArn :: Prelude.Maybe Prelude.Text,
    -- | The name of the schema.
    schemaName :: Prelude.Maybe Prelude.Text,
    -- | The version number of the schema
    schemaVersion :: Prelude.Maybe Prelude.Text,
    -- | Tags associated with the resource.
    tags :: Prelude.Maybe (Prelude.HashMap Prelude.Text Prelude.Text),
    -- | The type of the schema.
    type' :: Prelude.Maybe Prelude.Text,
    -- | The date the schema version was created.
    versionCreatedDate :: Prelude.Maybe Data.ISO8601,
    -- | The response's http status code.
    httpStatus :: Prelude.Int
  }
  deriving (Prelude.Eq, Prelude.Read, Prelude.Show, Prelude.Generic)

-- |
-- Create a value of 'DescribeSchemaResponse' 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:
--
-- 'content', 'describeSchemaResponse_content' - The source of the schema definition.
--
-- 'description', 'describeSchemaResponse_description' - The description of the schema.
--
-- 'lastModified', 'describeSchemaResponse_lastModified' - The date and time that schema was modified.
--
-- 'schemaArn', 'describeSchemaResponse_schemaArn' - The ARN of the schema.
--
-- 'schemaName', 'describeSchemaResponse_schemaName' - The name of the schema.
--
-- 'schemaVersion', 'describeSchemaResponse_schemaVersion' - The version number of the schema
--
-- 'tags', 'describeSchemaResponse_tags' - Tags associated with the resource.
--
-- 'type'', 'describeSchemaResponse_type' - The type of the schema.
--
-- 'versionCreatedDate', 'describeSchemaResponse_versionCreatedDate' - The date the schema version was created.
--
-- 'httpStatus', 'describeSchemaResponse_httpStatus' - The response's http status code.
newDescribeSchemaResponse ::
  -- | 'httpStatus'
  Prelude.Int ->
  DescribeSchemaResponse
newDescribeSchemaResponse pHttpStatus_ =
  DescribeSchemaResponse'
    { content = Prelude.Nothing,
      description = Prelude.Nothing,
      lastModified = Prelude.Nothing,
      schemaArn = Prelude.Nothing,
      schemaName = Prelude.Nothing,
      schemaVersion = Prelude.Nothing,
      tags = Prelude.Nothing,
      type' = Prelude.Nothing,
      versionCreatedDate = Prelude.Nothing,
      httpStatus = pHttpStatus_
    }

-- | The source of the schema definition.
describeSchemaResponse_content :: Lens.Lens' DescribeSchemaResponse (Prelude.Maybe Prelude.Text)
describeSchemaResponse_content = Lens.lens (\DescribeSchemaResponse' {content} -> content) (\s@DescribeSchemaResponse' {} a -> s {content = a} :: DescribeSchemaResponse)

-- | The description of the schema.
describeSchemaResponse_description :: Lens.Lens' DescribeSchemaResponse (Prelude.Maybe Prelude.Text)
describeSchemaResponse_description = Lens.lens (\DescribeSchemaResponse' {description} -> description) (\s@DescribeSchemaResponse' {} a -> s {description = a} :: DescribeSchemaResponse)

-- | The date and time that schema was modified.
describeSchemaResponse_lastModified :: Lens.Lens' DescribeSchemaResponse (Prelude.Maybe Prelude.UTCTime)
describeSchemaResponse_lastModified = Lens.lens (\DescribeSchemaResponse' {lastModified} -> lastModified) (\s@DescribeSchemaResponse' {} a -> s {lastModified = a} :: DescribeSchemaResponse) Prelude.. Lens.mapping Data._Time

-- | The ARN of the schema.
describeSchemaResponse_schemaArn :: Lens.Lens' DescribeSchemaResponse (Prelude.Maybe Prelude.Text)
describeSchemaResponse_schemaArn = Lens.lens (\DescribeSchemaResponse' {schemaArn} -> schemaArn) (\s@DescribeSchemaResponse' {} a -> s {schemaArn = a} :: DescribeSchemaResponse)

-- | The name of the schema.
describeSchemaResponse_schemaName :: Lens.Lens' DescribeSchemaResponse (Prelude.Maybe Prelude.Text)
describeSchemaResponse_schemaName = Lens.lens (\DescribeSchemaResponse' {schemaName} -> schemaName) (\s@DescribeSchemaResponse' {} a -> s {schemaName = a} :: DescribeSchemaResponse)

-- | The version number of the schema
describeSchemaResponse_schemaVersion :: Lens.Lens' DescribeSchemaResponse (Prelude.Maybe Prelude.Text)
describeSchemaResponse_schemaVersion = Lens.lens (\DescribeSchemaResponse' {schemaVersion} -> schemaVersion) (\s@DescribeSchemaResponse' {} a -> s {schemaVersion = a} :: DescribeSchemaResponse)

-- | Tags associated with the resource.
describeSchemaResponse_tags :: Lens.Lens' DescribeSchemaResponse (Prelude.Maybe (Prelude.HashMap Prelude.Text Prelude.Text))
describeSchemaResponse_tags = Lens.lens (\DescribeSchemaResponse' {tags} -> tags) (\s@DescribeSchemaResponse' {} a -> s {tags = a} :: DescribeSchemaResponse) Prelude.. Lens.mapping Lens.coerced

-- | The type of the schema.
describeSchemaResponse_type :: Lens.Lens' DescribeSchemaResponse (Prelude.Maybe Prelude.Text)
describeSchemaResponse_type = Lens.lens (\DescribeSchemaResponse' {type'} -> type') (\s@DescribeSchemaResponse' {} a -> s {type' = a} :: DescribeSchemaResponse)

-- | The date the schema version was created.
describeSchemaResponse_versionCreatedDate :: Lens.Lens' DescribeSchemaResponse (Prelude.Maybe Prelude.UTCTime)
describeSchemaResponse_versionCreatedDate = Lens.lens (\DescribeSchemaResponse' {versionCreatedDate} -> versionCreatedDate) (\s@DescribeSchemaResponse' {} a -> s {versionCreatedDate = a} :: DescribeSchemaResponse) Prelude.. Lens.mapping Data._Time

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

instance Prelude.NFData DescribeSchemaResponse where
  rnf DescribeSchemaResponse' {..} =
    Prelude.rnf content
      `Prelude.seq` Prelude.rnf description
      `Prelude.seq` Prelude.rnf lastModified
      `Prelude.seq` Prelude.rnf schemaArn
      `Prelude.seq` Prelude.rnf schemaName
      `Prelude.seq` Prelude.rnf schemaVersion
      `Prelude.seq` Prelude.rnf tags
      `Prelude.seq` Prelude.rnf type'
      `Prelude.seq` Prelude.rnf versionCreatedDate
      `Prelude.seq` Prelude.rnf httpStatus