Feat: have the secret word picked every day (#25)

* feat: added date and time

* feat: computing days since parle epoch

* feat: changing word daily

elm.json

@@ -10,15 +10,18 @@
             "elm/core": "1.0.5",
             "elm/html": "1.0.0",
             "elm/json": "1.1.3",
+            "elm/time": "1.0.0",
             "elm-explorations/test": "2.2.0",
+            "justinmimbs/time-extra": "1.2.0",
             "mdgriffith/elm-ui": "1.1.8"
         },
         "indirect": {
             "elm/bytes": "1.0.8",
+            "elm/parser": "1.1.0",
             "elm/random": "1.0.0",
-            "elm/time": "1.0.0",
             "elm/url": "1.0.0",
-            "elm/virtual-dom": "1.0.3"
+            "elm/virtual-dom": "1.0.3",
+            "justinmimbs/date": "4.1.0"
         }
     },
     "test-dependencies": {

src/Main.elm

@@ -11,7 +11,10 @@ import Element.Font as Font
 import Html exposing (Html)
 import Html.Events
 import Json.Decode as Decode
-import Validate exposing (getSecretWord, isParola)
+import Parole
+import Task
+import Time exposing (Month(..))
+import Validate exposing (daysSinceStart, getSecretWord, isParola)
 import Word exposing (..)
 
 
@@ -28,23 +31,26 @@ type alias Model =
     { guesses : List (List MatchedChar)
     , current : List Char
     , solution : List Char
+    , timestamp : Time.Posix
     }
 
 
 init : () -> ( Model, Cmd Msg )
 init _ =
     ( { guesses = []
       , current = []
-      , solution = String.toList getSecretWord
+      , solution = [ 'A', 'M', 'I', 'C', 'Y' ]
+      , timestamp = Time.millisToPosix 0
       }
-    , Cmd.none
+    , Task.perform QueryTime Time.now
     )
 
 
 type Msg
     = KeyPressed Char
     | Backspace
     | Confirm
+    | QueryTime Time.Posix
 
 
 update : Msg -> Model -> ( Model, Cmd Msg )
@@ -80,6 +86,12 @@ update msg model =
         Backspace ->
             -- Remove last character from current, as long as it's not empty
             Debug.log "Chomped" { model | current = List.take (currentGuessLen - 1) model.current }
+
+        QueryTime t ->
+            { model
+                | timestamp = t
+                , solution = String.toList (getSecretWord t)
+            }
     , Cmd.none
     )
 
@@ -167,43 +179,114 @@ view model =
     if isGameEnded model then
         layout [ width fill, height fill ]
             (column [ width (fill |> maximum 500), height fill, centerX, bgCyan ]
-                [ viewHeader
+                [ viewHeader model
                 , viewEndGame model
                 ]
             )
 
     else
         layout [ width fill, height fill ]
             (column [ width (fill |> maximum 500), height fill, centerX, bgCyan ]
-                [ viewHeader
+                [ viewHeader model
                 , viewGridArea model
                 , viewKeyboardArea model
                 ]
             )
 
 
-viewHeader =
+viewHeader model =
     row
         [ width fill
         , Border.color (rgb255 255 0 0)
         , Border.widthEach { top = 0, bottom = 1, left = 0, right = 0 }
         ]
-        [ viewHeaderBurger
-        , viewHeaderTitle
-        , viewHeaderButton
+        [ viewHeaderBurger model
+        , viewHeaderDate model
+        , viewHeaderTime model
         ]
 
 
-viewHeaderBurger =
-    el [ alignLeft, bgPink ] (text "Burger")
+viewHeaderBurger model =
+    el [ alignLeft, bgPink ]
+        (text <|
+            String.fromInt <|
+                daysSinceStart model.timestamp
+        )
+
+
+viewHeaderDate model =
+    let
+        date =
+            model.timestamp
+    in
+    el [ centerX, bgYell ] (text <| toUtcDate date)
+
+
+viewHeaderTime model =
+    let
+        date =
+            model.timestamp
+    in
+    el [ alignRight, bgPink ] (text <| toUtcTime date)
+
+
+toUtcTime : Time.Posix -> String
+toUtcTime time =
+    String.fromInt (Time.toHour Time.utc time)
+        ++ ":"
+        ++ String.fromInt (Time.toMinute Time.utc time)
+        ++ ":"
+        ++ String.fromInt (Time.toSecond Time.utc time)
+        ++ " (UTC)"
+
+
+toUtcDate : Time.Posix -> String
+toUtcDate time =
+    String.fromInt (Time.toYear Time.utc time)
+        ++ "-"
+        ++ toMonthNumber (Time.toMonth Time.utc time)
+        ++ "-"
+        ++ String.fromInt (Time.toDay Time.utc time)
+
+
+toMonthNumber : Time.Month -> String
+toMonthNumber month =
+    case month of
+        Jan ->
+            "01"
+
+        Feb ->
+            "02"
+
+        Mar ->
+            "03"
+
+        Apr ->
+            "04"
+
+        May ->
+            "05"
+
+        Jun ->
+            "06"
+
+        Jul ->
+            "07"
+
+        Aug ->
+            "08"
 
+        Sep ->
+            "09"
 
-viewHeaderTitle =
-    el [ centerX, bgYell ] (text "Title")
+        Oct ->
+            "10"
 
+        Nov ->
+            "11"
 
-viewHeaderButton =
-    el [ alignRight, bgPink ] (text "Button")
+        Dec ->
+            "12"
 
 
 

src/Parole.elm

@@ -1,4 +1,11 @@
-module Parole exposing (parole, segrete)
+module Parole exposing (inizio, parole, segrete)
+
+import Time
+
+
+inizio =
+    -- 2022-01-03 00:00:00
+    Time.millisToPosix 1641168000000
 
 
 parole =

src/Validate.elm

@@ -1,17 +1,32 @@
-module Validate exposing (getSecretWord, isParola)
+module Validate exposing (daysSinceStart, getSecretWord, isParola)
 
 import Array
 import Debug
-import Parole exposing (parole, segrete)
+import Parole exposing (inizio, parole, segrete)
+import Time
+import Time.Extra exposing (Interval(..), diff)
+
+
+daysSinceStart timestamp =
+    diff Day Time.utc inizio timestamp
 
 
 secrets =
     Array.fromList segrete
 
 
-getSecretWord : String
-getSecretWord =
-    secret
+getSecretWord : Time.Posix -> String
+getSecretWord timestamp =
+    let
+        days =
+            daysSinceStart timestamp
+
+        idx =
+            modBy (Array.length secrets) days
+    in
+    String.toUpper <|
+        Maybe.withDefault "OSSAP" <|
+            Array.get idx secrets
 
 
 isParola : String -> Bool
@@ -21,9 +36,3 @@ isParola w =
 
 
 -- Secret word
-
-
-secret =
-    String.toUpper <|
-        Maybe.withDefault "OSSAP" <|
-            Array.get 100 secrets