{- |
Copyright: (c) 2017-2019 Kowainik
SPDX-License-Identifier: MPL-2.0
Maintainer: Kowainik <xrom.xkov@gmail.com>

This module implements data type for representing custom alternative preludes.
-}

module Summoner.CustomPrelude
       ( CustomPrelude (..)
       , customPreludeT
       ) where

import Toml (TomlCodec, (.=))

import Summoner.Text (moduleNameValid, packageNameValid)

import qualified Toml


data CustomPrelude = CustomPrelude
    { cpPackage :: !Text
    , cpModule  :: !Text
    } deriving stock (Show, Eq)

customPreludeT :: TomlCodec CustomPrelude
customPreludeT = CustomPrelude
    <$> Toml.validateIf packageNameValid Toml._Text "package" .= cpPackage
    <*> Toml.validateIf moduleNameValid  Toml._Text "module"  .= cpModule