feat: make the first game winable

pento/lib/pento_web/live/wrong_live.ex

@@ -1,8 +1,16 @@
 defmodule PentoWeb.WrongLive do
   use PentoWeb, :live_view
 
+  @winning_score 15
+
   def mount(_params, _session, socket) do
-    {:ok, assign(socket, score: 0, message: "Make a guess:", time: time())}
+    socket =
+      socket
+      |> assign(score: 0)
+      |> assign(message: "Make a guess:")
+      |> assign(number: random_number())
+
+    {:ok, socket}
   end
 
   def render(assigns) do
@@ -10,33 +18,71 @@ defmodule PentoWeb.WrongLive do
     <h1 class="mb-4 text-4xl font-extrabold">Your score: <%= @score %></h1>
     <h2>
       <%= @message %>
-      It's <%= @time %>
     </h2>
     <br />
-    <h2>
-      <%= for n <- 1..10 do %>
+    <h2 class="flex justify-center">
+      <%= if @score >= winning_score() do %>
         <.link
-          class="bg-blue-500 hover:bg-blue-700
-        text-white font-bold py-2 px-4 border border-blue-700 rounded m-1"
-          phx-click="guess"
-          phx-value-number={n}
+          href={~p"/guess"}
+          class="bg-blue-500 hover:bg-blue-700 text-white text-center font-bold py-2 px-4 border border-blue-700 rounded m-1"
         >
-          <%= n %>
+          Play again!
         </.link>
+      <% else %>
+        <%= for n <- 1..10 do %>
+          <.link
+            class="bg-blue-500 hover:bg-blue-700 text-white text-center font-bold py-2 px-4 border border-blue-700 rounded m-1"
+            phx-click="guess"
+            phx-value-number={n}
+          >
+            <%= n %>
+          </.link>
+        <% end %>
       <% end %>
     </h2>
     """
   end
 
-  defp time() do
-    DateTime.utc_now |> to_string
+  defp random_number() do
+    :rand.uniform(10)
   end
 
+  defp winning_score(), do: @winning_score
+
   def handle_event("guess", %{"number" => guess}, socket) do
-    message = "Your guess: #{guess}. Wrong. Guess again."
+    number = socket.assigns.number |> to_string()
 
+    socket =
+      if number == guess do
+        correct_guess(guess, socket)
+      else
+        wrong_guess(guess, socket)
+      end
+
+    {:noreply, socket}
+  end
+
+  defp correct_guess(guess, socket) do
+    score = socket.assigns.score + 8
+
+    message = if score >= @winning_score do
+      "Your guess: #{guess}. Correct. You won!"
+    else
+      "Your guess: #{guess}. Correct. Guess the next number."
+    end
+
+    socket
+    |> assign(message: message)
+    |> assign(score: score)
+    |> assign(number: random_number())
+  end
+
+  defp wrong_guess(guess, socket) do
+    message = "Your guess: #{guess}. Wrong. Guess again."
     score = socket.assigns.score - 1
 
-    {:noreply, assign(socket, message: message, score: score, time: time())}
+    socket
+    |> assign(message: message)
+    |> assign(score: score)
   end
 end