subtree(users/wpcarro): docking briefcase at '24f5a642'

git-subtree-dir: users/wpcarro
git-subtree-mainline: 464bbcb15c
git-subtree-split: 24f5a642af
Change-Id: I6105b3762b79126b3488359c95978cadb3efa789

users/wpcarro/assessments/brilliant/Main.hs

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+{-# LANGUAGE RecordWildCards #-}
+--------------------------------------------------------------------------------
+module Main where
+--------------------------------------------------------------------------------
+import Options.Applicative
+import Data.Semigroup ((<>))
+
+import qualified Transforms
+import qualified Keyboard
+import qualified App
+--------------------------------------------------------------------------------
+
+data CommandArgs = CommandArgs
+  { transforms :: String
+  , passage :: String
+  } deriving (Eq, Show)
+
+parseArgs :: Parser CommandArgs
+parseArgs =
+  CommandArgs <$> strOption
+                  ( long "transforms"
+                 <> short 't'
+                 <> help "String of transforms where (e.g. \"HHVS12VHVHS3\")" )
+              <*> strOption
+                  ( long "passage"
+                 <> short 'p'
+                 <> help "Input text to re-type" )
+
+main :: IO ()
+main = do
+  CommandArgs{..} <- execParser opts
+  case Transforms.fromString transforms of
+    Nothing -> putStrLn "You must provide valid input (e.g. \"HHVS12VHVHS3\")"
+    Just xs -> do
+      let keyboard = foldl App.transform Keyboard.qwerty (Transforms.optimize xs)
+      putStrLn $ "Typing: \"" ++ passage ++ "\"\nOn this keyboard:\n" ++ show keyboard
+      case App.retypePassage passage keyboard of
+        Nothing -> putStrLn $ "Looks like at least one of the characters in your input passage doesn't fit on our QWERTY keyboard: \n" ++ show Keyboard.qwerty
+        Just result -> putStrLn $ "Result: " ++ result
+  where
+    opts = info (parseArgs <**> helper)
+      ( fullDesc
+     <> progDesc "Transform a QWERTY keyboard using a string of commands")