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module Minilang.OpenApi where

import Control.Lens ((&), (.~), (?~))
import Data.Swagger
  ( HasDescription (description),
    HasInfo (info),
    HasLicense (license),
    HasTitle (title),
    HasType (type_),
    HasVersion (version),
    NamedSchema (NamedSchema),
    Swagger,
    SwaggerType (SwaggerString),
    ToParamSchema (..),
    ToSchema (..),
  )
import Minilang.API (Challenge, Score, Token, User, lambdaAPI)
import Servant.Swagger (HasSwagger (toSwagger))

instance ToSchema Token where
  declareNamedSchema _ =
    return $
      NamedSchema (Just "Token") $
        mempty
          & description ?~ "A hex-encoded bytestring."
          & type_ ?~ SwaggerString

instance ToSchema User where
  declareNamedSchema _ =
    return $
      NamedSchema (Just "User") $
        mempty
          & description ?~ "A user name."
          & type_ ?~ SwaggerString

instance ToSchema Score

instance ToSchema Challenge

instance ToParamSchema Token where
  toParamSchema _ = mempty & type_ ?~ SwaggerString

lambdaSwagger :: Swagger
lambdaSwagger =
  toSwagger lambdaAPI
    & info . title .~ "λ-Calculus Challenge API"
    & info . version .~ "0.1"
    & info . description ?~ "An API for learning and experimenting with the λ-calculus one challenge at a time"
    & info . license ?~ "© Arnaud Bailly - All Rights Reserved"