Support a basic client-side login flow

I will need to remove some of the baggage like:

- Scrub any copy about restaurants
- delete Restaurant.elm
- Change Owner.elm -> Manager.elm

1 files changed, 254 insertions, 0 deletions

diff --git a/client/src/UI.elm b/client/src/UI.elm
new file mode 100644
index 000000000000..565771e2120d
--- /dev/null
+++ b/client/src/UI.elm
@@ -0,0 +1,254 @@
+module UI exposing (..)
+
+import Html exposing (..)
+import Html.Attributes exposing (..)
+import Html.Events exposing (..)
+import State
+import Tailwind
+
+
+label_ : { for_ : String, text_ : String } -> Html msg
+label_ { for_, text_ } =
+    label
+        [ [ "block"
+          , "text-gray-700"
+          , "text-sm"
+          , "font-bold"
+          , "mb-2"
+          ]
+            |> Tailwind.use
+            |> class
+        , for for_
+        ]
+        [ text text_ ]
+
+
+errorBanner : { title : String, body : String } -> Html msg
+errorBanner { title, body } =
+    div
+        [ [ "text-left"
+          , "fixed"
+          , "container"
+          , "top-0"
+          , "mt-6"
+          ]
+            |> Tailwind.use
+            |> class
+        , style "left" "50%"
+
+        -- TODO(wpcarro): Consider supporting breakpoints, but for now
+        -- don't.
+        , style "margin-left" "-512px"
+        ]
+        [ div
+            [ [ "bg-red-500"
+              , "text-white"
+              , "font-bold"
+              , "rounded-t"
+              , "px-4"
+              , "py-2"
+              ]
+                |> Tailwind.use
+                |> class
+            ]
+            [ text title ]
+        , div
+            [ [ "border"
+              , "border-t-0"
+              , "border-red-400"
+              , "rounded-b"
+              , "bg-red-100"
+              , "px-4"
+              , "py-3"
+              , "text-red-700"
+              ]
+                |> Tailwind.use
+                |> class
+            ]
+            [ p [] [ text body ] ]
+        ]
+
+
+baseButton :
+    { label : String
+    , enabled : Bool
+    , handleClick : msg
+    , extraClasses : List String
+    }
+    -> Html msg
+baseButton { label, enabled, handleClick, extraClasses } =
+    button
+        [ [ if enabled then
+                "bg-blue-500"
+
+            else
+                "bg-gray-500"
+          , if enabled then
+                "hover:bg-blue-700"
+
+            else
+                ""
+          , if enabled then
+                ""
+
+            else
+                "cursor-not-allowed"
+          , "text-white"
+          , "font-bold"
+          , "py-2"
+          , "px-4"
+          , "rounded"
+          , "focus:outline-none"
+          , "focus:shadow-outline"
+          ]
+            ++ extraClasses
+            |> Tailwind.use
+            |> class
+        , onClick handleClick
+        , disabled (not enabled)
+        ]
+        [ text label ]
+
+
+simpleButton :
+    { label : String
+    , handleClick : msg
+    }
+    -> Html msg
+simpleButton { label, handleClick } =
+    baseButton
+        { label = label
+        , enabled = True
+        , handleClick = handleClick
+        , extraClasses = []
+        }
+
+
+textField :
+    { pholder : String
+    , inputId : String
+    , handleInput : String -> msg
+    , inputValue : String
+    }
+    -> Html msg
+textField { pholder, inputId, handleInput, inputValue } =
+    input
+        [ [ "shadow"
+          , "appearance-none"
+          , "border"
+          , "rounded"
+          , "w-full"
+          , "py-2"
+          , "px-3"
+          , "text-gray-700"
+          , "leading-tight"
+          , "focus:outline-none"
+          , "focus:shadow-outline"
+          ]
+            |> Tailwind.use
+            |> class
+        , id inputId
+        , value inputValue
+        , placeholder pholder
+        , onInput handleInput
+        ]
+        []
+
+
+toggleButton :
+    { toggled : Bool
+    , label : String
+    , handleEnable : msg
+    , handleDisable : msg
+    }
+    -> Html msg
+toggleButton { toggled, label, handleEnable, handleDisable } =
+    button
+        [ [ if toggled then
+                "bg-blue-700"
+
+            else
+                "bg-blue-500"
+          , "hover:bg-blue-700"
+          , "text-white"
+          , "font-bold"
+          , "py-2"
+          , "px-4"
+          , "rounded"
+          , "focus:outline-none"
+          , "focus:shadow-outline"
+          ]
+            |> Tailwind.use
+            |> class
+        , onClick
+            (if toggled then
+                handleDisable
+
+             else
+                handleEnable
+            )
+        ]
+        [ text label ]
+
+
+paragraph : String -> Html msg
+paragraph x =
+    p [ [ "text-xl" ] |> Tailwind.use |> class ] [ text x ]
+
+
+header : Int -> String -> Html msg
+header which x =
+    let
+        hStyles =
+            case which of
+                1 ->
+                    [ "text-6xl"
+                    , "py-12"
+                    ]
+
+                2 ->
+                    [ "text-3xl"
+                    , "py-6"
+                    ]
+
+                _ ->
+                    [ "text-2xl"
+                    , "py-2"
+                    ]
+    in
+    h1
+        [ hStyles
+            ++ [ "font-bold"
+               , "text-gray-700"
+               ]
+            |> Tailwind.use
+            |> class
+        ]
+        [ text x ]
+
+
+link : String -> String -> Html msg
+link path label =
+    a
+        [ href path
+        , [ "underline"
+          , "text-blue-600"
+          , "text-xl"
+          ]
+            |> Tailwind.use
+            |> class
+        ]
+        [ text label ]
+
+
+absentData : { handleFetch : msg } -> Html msg
+absentData { handleFetch } =
+    div []
+        [ paragraph "Welp... it looks like you've caught us in a state that we considered impossible: we did not fetch the data upon which this page depends. Maybe you can help us out by clicking the super secret, highly privileged \"Fetch data\" button below (we don't normally show people this)."
+        , div [ [ "py-4" ] |> Tailwind.use |> class ]
+            [ simpleButton
+                { label = "Fetch data"
+                , handleClick = handleFetch
+                }
+            ]
+        ]