1 files changed, 141 insertions, 0 deletions
diff --git a/src/Update.elm b/src/Update.elm
new file mode 100644
index 0000000..42eb682
--- /dev/null
+++ b/src/Update.elm
@@ -0,0 +1,141 @@
+module Update exposing
+  ( update
+  )
+
+import Dict
+
+import Msg exposing (Msg)
+
+import Ring
+
+import Model exposing (Model)
+import Model.Id exposing (..)
+import Model.IdGenerator exposing (..)
+import Model.Keyboard exposing (KeyCode)
+
+import Timer.Model as Timer exposing (..)
+import Timer.Model.State as TimerState
+import Timer.Update exposing (..)
+import Timer.Msg as Timer
+
+import Edition.Model exposing (..)
+import Edition.Model.Name exposing (..)
+import Edition.Model.Time exposing (..)
+import Edition.Update exposing (..)
+import Edition.Msg as Edition
+
+import Utils.Maybe exposing (..)
+
+update : Msg -> Model -> (Model, Cmd Msg)
+update msg model =
+  case msg of
+
+    Msg.NoOp ->
+      (model, Cmd.none)
+
+    Msg.Initialize ->
+      Model.init model.time
+
+    Msg.AddNewTimer ->
+      let (id, newTimerIdGenerator) = getId model.timerIdGenerator
+      in  ( { model
+            | timers = Dict.insert id (Timer.init model.time) model.timers
+            , timerIdGenerator = newTimerIdGenerator
+            }
+          , Cmd.none
+          )
+
+    Msg.Time time ->
+      let delta = time - model.time
+          newModel =
+            { model
+            | time = time
+            , timers = Dict.map (\id timer -> updateTimer (Timer.SubstractTime delta) timer) model.timers
+            }
+          ringing =
+            newModel.timers
+              |> Dict.values
+              |> List.map .state
+              |> List.member TimerState.Ringing
+      in  ( newModel
+          , Ring.ring ringing
+          )
+
+    Msg.UpdateTimer id timerMsg ->
+      let maybeEdition = filterMaybe (\edition -> edition.id == id) model.edition
+          newModel =
+            case maybeEdition of
+              Just edition ->
+                if edition.kind == Time then validEdition model else model
+              Nothing ->
+                model
+      in  ( { newModel | timers = Dict.update id (Maybe.map (updateTimer timerMsg)) newModel.timers }
+          , Cmd.none
+          )
+
+    Msg.RemoveTimer id ->
+      if Model.numberOfTimers model > 1
+        then
+          ( { model | timers = Dict.remove id model.timers }
+          , Cmd.none
+          )
+        else
+          (model, Cmd.none)
+
+    Msg.Edit id kind ->
+      ( { model
+        | edition = Just (newEdition id kind)
+        , timers =
+            if kind == Time
+              then Dict.update id (Maybe.map (updateTimer Timer.Pause)) model.timers
+              else model.timers
+        }
+      , Cmd.none
+      )
+
+    Msg.ClickAway ->
+      ( { model | edition = Nothing }
+      , Cmd.none
+      )
+
+    Msg.KeyPressed keyCode ->
+      if isEnterKeyCode keyCode
+        then
+          (validEdition model, Cmd.none)
+        else
+          let editionAction =
+            if isRemoveKeyCode keyCode
+              then Edition.DeleteLast
+              else Edition.AddChar keyCode
+          in  ( { model | edition = Maybe.map (updateEdition editionAction) model.edition }
+              , Cmd.none
+              )
+
+validEdition : Model -> Model
+validEdition model =
+  case model.edition of
+    Just edition ->
+      if isEmpty edition
+        then
+          { model
+          | edition = Nothing
+          }
+        else
+          let timerMsg =
+            case edition.kind of
+              Name ->
+                Timer.Rename (renderNameEdition edition.chars)
+              Time ->
+                Timer.SetTime (toTime edition.chars)
+          in  { model
+              | timers = Dict.update edition.id (Maybe.map (updateTimer timerMsg)) model.timers
+              , edition = Nothing
+              }
+    Nothing ->
+      model
+
+isEnterKeyCode : KeyCode -> Bool
+isEnterKeyCode = (==) 13
+
+isRemoveKeyCode : KeyCode -> Bool
+isRemoveKeyCode = (==) 8