1 files changed, 20 insertions, 5 deletions

diff --git a/src/Command.hs b/src/Command.hs
index 55f4466..4d85489 100644
--- a/src/Command.hs
+++ b/src/Command.hs
@@ -5,13 +5,19 @@ module Command
        , parseCmd
        ) where
 
+import Options.Applicative
+
 import Data.Char (isSpace)
 
 import Types
 
 data Cmd = PerformAlt Alteration
+         | ModifyTip SequenceValue
+         | OverrideTip SequenceValue
+         | ShowTip
+         | ShowHistory (Maybe Integer)
+         | Dump
          | Quit
-         | Step
          | UnknownCommand String
          | ParseError String
          | Empty
@@ -24,7 +30,7 @@ isQuote, isEscape :: Char -> Bool
 isQuote q = q `elem` quoteChars
 isEscape e = e `elem` escapeChars
 
-parseCmd :: SequenceM m => String -> m Cmd
+parseCmd :: String -> Cmd
 parseCmd = parseCmd' . split
   where
     split :: String -> [String]
@@ -57,6 +63,15 @@ parseCmd = parseCmd' . split
       , isEscape c          = split' ws w q (Just c) cs -- Set escaped flag at unescaped escape char
       | otherwise           = split' ws (c : w) q Nothing cs -- Append to word
 
-parseCmd' :: SequenceM m => [String] -> m Cmd
-parseCmd' [] = return Empty
-parseCmd' (cmd:args) = return $ UnknownCommand (show $ cmd:args) -- DEBUG
+parseCmd' :: [String] -> Cmd
+parseCmd' [] = Empty
+parseCmd' args = mapResult runParser
+  where
+    runParser = execParserPure (prefs $ showHelpOnError) (cmdParser `info` progDesc "sequence - A tracker for combat sequences in Contact (a pen&paper rpg by Uhrwerk)") args
+    mapResult (Success a) = a
+    mapResult (Failure help) = UnknownCommand . fst $ renderFailure help ""
+    mapResult (CompletionInvoked _ ) = ParseError "Completion triggered" 
+
+cmdParser :: Parser Cmd
+cmdParser = hsubparser $ mconcat [ command "quit" $ pure Quit `info` progDesc "Exit gracefully"
+                                 ]