1 files changed, 75 insertions, 0 deletions
diff --git a/src/Reaktor/Plugins/System/Internal.hs b/src/Reaktor/Plugins/System/Internal.hs
new file mode 100644
index 0000000..4a64e0b
--- /dev/null
+++ b/src/Reaktor/Plugins/System/Internal.hs
@@ -0,0 +1,75 @@
+{-# LANGUAGE OverloadedStrings #-}
+module Reaktor.Plugins.System.Internal where
+
+import           Data.Aeson
+import qualified Data.ByteString.Char8.Extended as BS
+import qualified Data.Map as M
+import           Reaktor.Internal ()
+
+
+-- TODO this needs better names :)
+data CaptureOr a = Capture Integer | CaptureOr a
+  deriving Show -- TODO killme
+
+instance FromJSON a => FromJSON (CaptureOr a) where
+  parseJSON o@(Number _) = Capture <$> parseJSON o -- TODO don't parse twice
+  parseJSON o = CaptureOr <$> parseJSON o
+
+-- TODO query means via direct privmsg and <nick>:
+data Activate = Always | Match | Query
+
+instance FromJSON Activate where
+  parseJSON (String "always") = pure Always
+  parseJSON (String "match") = pure Match
+  parseJSON (String "query") = pure Query
+  parseJSON _ = undefined
+
+data SystemConfig = SystemConfig {
+  defaultWorkDir :: Maybe FilePath,
+  -- TODO IrcCommand as key for map
+  hooks :: M.Map BS.ByteString [SystemParams]
+}
+
+instance FromJSON SystemConfig where
+  parseJSON (Object v) =
+    SystemConfig
+      <$> v .:? "workdir"
+      <*> v .:? "hooks" .!= M.empty
+  parseJSON _ = pure undefined
+
+data SystemParams = SystemParams {
+  activate :: Activate,
+  pattern :: Maybe BS.ByteString, -- TODO RE
+  command :: CaptureOr SystemCommand,
+  arguments :: [CaptureOr BS.ByteString],
+  workDir :: Maybe FilePath,
+  commands :: M.Map BS.ByteString SystemCommand
+}
+
+instance FromJSON SystemParams where
+  parseJSON (Object v) =
+      SystemParams
+        <$> v .:? "activate" .!= Query
+        <*> v .:? "pattern"
+        <*> v .: "command"
+        <*> v .:? "arguments" .!= []
+        <*> v .:? "workdir"
+        <*> v .:? "commands" .!= M.empty
+  parseJSON _ = pure undefined
+
+
+data SystemCommand = SystemCommand {
+    commandPath :: FilePath,
+    commandWorkDir :: Maybe FilePath,
+    commandEnv :: Maybe (M.Map String String)
+  }
+  deriving Show -- TODO killme
+
+instance FromJSON SystemCommand where
+  parseJSON (Object v) =
+      SystemCommand
+        <$> v .: "filename"
+        <*> v .:? "workdir"
+        <*> v .:? "env"
+  parseJSON _ = pure undefined
+