{-# LANGUAGE NoImplicitPrelude #-}
{-# LANGUAGE OverloadedStrings #-}

module Stack.Options.LogLevelParser where

import qualified Data.Text                         as T
import           Options.Applicative
import           Stack.Options.Utils
import           Stack.Prelude

-- | Parser for a logging level.

logLevelOptsParser :: Bool -> Maybe LogLevel -> Parser (Maybe LogLevel)
logLevelOptsParser :: Bool -> Maybe LogLevel -> Parser (Maybe LogLevel)
logLevelOptsParser Bool
hide Maybe LogLevel
defLogLevel =
  forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap (forall a. a -> Maybe a
Just forall b c a. (b -> c) -> (a -> b) -> a -> c
. [Char] -> LogLevel
parse)
       (forall s. IsString s => Mod OptionFields s -> Parser s
strOption (forall (f :: * -> *) a. HasName f => [Char] -> Mod f a
long [Char]
"verbosity" forall a. Semigroup a => a -> a -> a
<>
                   forall (f :: * -> *) a. HasMetavar f => [Char] -> Mod f a
metavar [Char]
"VERBOSITY" forall a. Semigroup a => a -> a -> a
<>
                   forall (f :: * -> *) a. HasCompleter f => [[Char]] -> Mod f a
completeWith [[Char]
"silent", [Char]
"error", [Char]
"warn", [Char]
"info", [Char]
"debug"] forall a. Semigroup a => a -> a -> a
<>
                   forall (f :: * -> *) a. [Char] -> Mod f a
help [Char]
"Verbosity: silent, error, warn, info, debug" forall a. Semigroup a => a -> a -> a
<>
                   forall (f :: * -> *) a. Bool -> Mod f a
hideMods Bool
hide)) forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|>
  forall a. a -> Mod FlagFields a -> Parser a
flag' (forall a. a -> Maybe a
Just LogLevel
verboseLevel)
       (forall (f :: * -> *) a. HasName f => Char -> Mod f a
short Char
'v' forall a. Semigroup a => a -> a -> a
<> forall (f :: * -> *) a. HasName f => [Char] -> Mod f a
long [Char]
"verbose" forall a. Semigroup a => a -> a -> a
<>
        forall (f :: * -> *) a. [Char] -> Mod f a
help ([Char]
"Enable verbose mode: verbosity level \"" forall a. Semigroup a => a -> a -> a
<> LogLevel -> [Char]
showLevel LogLevel
verboseLevel forall a. Semigroup a => a -> a -> a
<> [Char]
"\"") forall a. Semigroup a => a -> a -> a
<>
        forall (f :: * -> *) a. Bool -> Mod f a
hideMods Bool
hide) forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|>
  forall a. a -> Mod FlagFields a -> Parser a
flag' (forall a. a -> Maybe a
Just LogLevel
silentLevel)
       (forall (f :: * -> *) a. HasName f => [Char] -> Mod f a
long [Char]
"silent" forall a. Semigroup a => a -> a -> a
<>
        forall (f :: * -> *) a. [Char] -> Mod f a
help ([Char]
"Enable silent mode: verbosity level \"" forall a. Semigroup a => a -> a -> a
<> LogLevel -> [Char]
showLevel LogLevel
silentLevel forall a. Semigroup a => a -> a -> a
<> [Char]
"\"") forall a. Semigroup a => a -> a -> a
<>
        forall (f :: * -> *) a. Bool -> Mod f a
hideMods Bool
hide) forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|>
  forall (f :: * -> *) a. Applicative f => a -> f a
pure Maybe LogLevel
defLogLevel
  where verboseLevel :: LogLevel
verboseLevel = LogLevel
LevelDebug
        silentLevel :: LogLevel
silentLevel = Text -> LogLevel
LevelOther Text
"silent"
        showLevel :: LogLevel -> [Char]
showLevel LogLevel
l =
          case LogLevel
l of
            LogLevel
LevelDebug -> [Char]
"debug"
            LogLevel
LevelInfo -> [Char]
"info"
            LogLevel
LevelWarn -> [Char]
"warn"
            LogLevel
LevelError -> [Char]
"error"
            LevelOther Text
x -> Text -> [Char]
T.unpack Text
x
        parse :: [Char] -> LogLevel
parse [Char]
s =
          case [Char]
s of
            [Char]
"debug" -> LogLevel
LevelDebug
            [Char]
"info" -> LogLevel
LevelInfo
            [Char]
"warn" -> LogLevel
LevelWarn
            [Char]
"error" -> LogLevel
LevelError
            [Char]
_ -> Text -> LogLevel
LevelOther ([Char] -> Text
T.pack [Char]
s)