I'm human

backend/src/blackjack/blackjack_game.rs

@@ -190,6 +190,10 @@ impl BlackjackGame {
             }
             (GameState::Over, PlayMoves::Deal { players })
             | (GameState::Starting, PlayMoves::Deal { players }) => {
+                // Reset everything
+                self.dealer_hand = Hand::new();
+                self.players = Vec::new();
+
                 // Create players
                 for _ in 0..players {
                     self.players.push(Player::new());

backend/src/cards/card_suit.rs

@@ -4,9 +4,13 @@ use serde::{Deserialize, Serialize};
 
 #[derive(Clone, Copy, Serialize, Deserialize)]
 pub enum CardSuit {
+    #[serde(rename = "S")]
     Spades,
+    #[serde(rename = "C")]
     Clubs,
+    #[serde(rename = "H")]
     Hearts,
+    #[serde(rename = "D")]
     Diamonds,
 }
 

backend/src/cards/hand.rs

@@ -122,7 +122,6 @@ impl<'de> Deserialize<'de> for Hand {
     where
         D: Deserializer<'de>,
     {
-        // Deserialize into a Vec directly and wrap it in MyVecWrapper
         let cards = Vec::<Card>::deserialize(deserializer)?;
         Ok(Hand { cards })
     }

backend/src/webserver.rs

@@ -6,10 +6,15 @@ use rocket::{
     Build, Rocket, State,
 };
 
-use crate::{blackjack::{blackjack_game::BlackjackGame, gamestate::GameState, play_moves::PlayMoves, player::Player}, cards::card::Card};
+use crate::{
+    blackjack::{
+        blackjack_game::BlackjackGame, gamestate::GameState, play_moves::PlayMoves, player::Player,
+    },
+    cards::{card::Card, hand::Hand},
+};
 
 #[get("/state")]
-fn get_state(state: &State<MyState>) -> Json<GamestateJson> {
+fn get_state(state: &State<MyState>) -> Json<ExtendedGameState> {
     Json(gamestate_as_json(&state.game.lock().unwrap()))
 }
 
@@ -17,8 +22,8 @@ fn get_state(state: &State<MyState>) -> Json<GamestateJson> {
 fn post_move(
     state: &State<MyState>,
     request: Json<PlayMoves>,
-) -> Result<Json<GamestateJson>, Status> {
+) -> Result<Json<ExtendedGameState>, Status> {
-    let action = request.0;
+    let action = request.into_inner();
 
     if state.game.lock().unwrap().play(action) {
         Ok(Json(gamestate_as_json(&state.game.lock().unwrap())))
@@ -32,23 +37,35 @@ struct MyState {
 }
 
 #[derive(Serialize)]
-#[serde(rename_all = "camelCase")]
+#[serde(tag = "type", rename_all = "camelCase", rename_all_fields = "camelCase")]
-struct GamestateJson {
+enum ExtendedGameState {
-    state: GameState,
+    Over {
-    dealer_upcard: Option<Card>,
+        dealer_hand: Hand,
-    players: Vec<Player>,
+        players: Vec<Player>,
+    },
+    Playing {
+        dealer_upcard: Card,
+        player_turn: usize,
+        hand_turn: usize,
+        players: Vec<Player>,
+    },
+    Starting,
 }
 
-fn gamestate_as_json(game: &BlackjackGame) -> GamestateJson {
+fn gamestate_as_json(game: &BlackjackGame) -> ExtendedGameState {
     match game.get_state() {
-        GameState::Starting => GamestateJson {
+        GameState::Starting => ExtendedGameState::Starting,
-            state: *game.get_state(),
+        GameState::Over => ExtendedGameState::Over {
-            dealer_upcard: None,
+            dealer_hand: game.get_dealer_hand().clone(),
-            players: Vec::new(),
+            players: game.get_players().clone(),
         },
-        GameState::Over | GameState::PlayerTurn { .. } => GamestateJson {
+        GameState::PlayerTurn {
-            state: *game.get_state(),
+            player_index,
-            dealer_upcard: game.get_dealer_upcard().copied(),
+            hand_index,
+        } => ExtendedGameState::Playing {
+            dealer_upcard: *game.get_dealer_upcard().unwrap(),
+            player_turn: *player_index,
+            hand_turn: *hand_index,
             players: game.get_players().clone(),
         },
     }

frontend/src/App.svelte

@@ -1,22 +1,9 @@
 <script lang="ts">
-import {fetchState} from "./functions/fetchState";
+    import Blackjack from "./lib/Blackjack.svelte";
-    import { CardSuit } from "./types/CardSuit";
-
-async function getState() {
-  let state = await fetchState();
-  console.debug(state);
-
-  if (state.dealerUpcard.suit == CardSuit.Spades){
-    console.debug("Heureka");
-  }else{
-    console.debug("FUCK");
-  }
-
-}
 
+  
 </script>
 
 <main>
-  <div>Hello world</div>
+  <Blackjack/>
-  <button class="bg-blue-500 hover:bg-blue-700 text-white font-bold py-2 px-4 rounded" on:click={getState}>Get state</button>
 </main>

frontend/src/functions/doAction.ts

@@ -0,0 +1,15 @@
+import type { Action } from "../types/Action";
+import type { Gamestate } from "../types/Gamestate";
+
+export async function doAction(action: Action): Promise<Gamestate> {
+    let res = await fetch("/api/state", {
+        method: "POST",
+        body: JSON.stringify(action),
+        headers: {
+            'Accept': 'application/json',
+            'Content-Type': 'application/json'
+        },
+    });
+
+    return await res.json();
+}

frontend/src/index.css

@@ -1,3 +1,7 @@
 @tailwind base;
 @tailwind components;
-@tailwind utilities;
+@tailwind utilities;
+
+body {
+    @apply bg-blue-950 text-white;
+}

frontend/src/lib/Blackjack.svelte

@@ -0,0 +1,74 @@
+<script lang="ts">
+    import { onMount } from "svelte";
+    import { doAction } from "../functions/doAction";
+    import type { Action } from "../types/Action";
+    import type { Gamestate } from "./../types/Gamestate";
+    import { fetchState } from "../functions/fetchState";
+    import Card from "./Card.svelte";
+    import PlayerHand from "./PlayerHand.svelte";
+
+    let state: Gamestate;
+
+    onMount(async () => {
+        state = await fetchState();
+    });
+
+    async function actionBtn(action: Action) {
+       state = await doAction(action);
+    }
+</script>
+
+{#if state}
+    {#if state.type == "starting"}
+        Game has not yet started. Press "Deal" to start.
+    {:else if state.type == "over"}
+        Game over. Press "Deal" to start again.
+        <br>
+        Player:
+        {#each state.players as player}
+            {#each player.hands as hand}
+                <PlayerHand playingHand={hand}/>
+            {/each}
+        {/each}
+    {:else if state.type == "playing"}
+        Dealer: <Card card={state.dealerUpcard} />
+
+        Player:
+        {#each state.players as player}
+            {#each player.hands as hand}
+                <PlayerHand playingHand={hand}/>
+            {/each}
+        {/each}
+    {/if}
+{:else}
+    Loading...
+{/if}
+
+<div>
+    <button
+        class="action-btn bg-blue-700 hover:bg-blue-600"
+        on:click={() => actionBtn({ type: "Deal", players: 1 })}>Deal</button
+    >
+    <button
+        class="action-btn bg-green-700 hover:bg-green-600"
+        on:click={() => actionBtn({ type: "Hit" })}>Hit</button
+    >
+    <button
+        class="action-btn bg-red-700 hover:bg-red-600"
+        on:click={() => actionBtn({ type: "Stand" })}>Stand</button
+    >
+    <button
+        class="action-btn bg-orange-700 hover:bg-orange-600"
+        on:click={() => actionBtn({ type: "DoubleDown" })}>Double down</button
+    >
+    <button
+        class="action-btn bg-cyan-700 hover:bg-cyan-600"
+        on:click={() => actionBtn({ type: "Split" })}>Split</button
+    >
+</div>
+
+<style>
+    .action-btn {
+        @apply py-2 px-4 rounded text-white;
+    }
+</style>

frontend/src/lib/Card.svelte

@@ -2,8 +2,9 @@
     import type { Card } from "../types/Card";
 
     export let card: Card;
+    console.debug(card);
 </script>
 
-<div class="w-2 h-5">
+<div class="w-32 h-36 bg-slate-400 m-1 p-2">
-    I am a {card.index} of {card.suit}!
+    {card.index} of {card.suit}
-</div>
+</div>

frontend/src/lib/PlayerHand.svelte

@@ -0,0 +1,11 @@
+<script lang="ts">
+    import type { PlayingHand } from "../types/Gamestate";
+    import Card from "./Card.svelte";
+
+    export let playingHand: PlayingHand;
+
+</script>
+
+{#each playingHand.hand as hand}
+    <Card card={hand}/>
+{/each}

frontend/src/types/Action.ts

@@ -0,0 +1,22 @@
+export interface Deal {
+    type: "Deal",
+    players: Number
+}
+
+export interface Hit {
+    type: "Hit"
+}
+
+export interface Stand {
+    type: "Stand"
+}
+
+export interface DoubleDown{
+    type: "DoubleDown"
+}
+
+export interface Split {
+    type: "Split"
+}
+
+export type Action = Deal | Hit | Stand | DoubleDown | Split;

frontend/src/types/CardSuit.ts

@@ -1,6 +1,6 @@
 export enum CardSuit {
-    Spades = "Spades",
+    Spades = "S",
-    Clubs = "Clubs",
+    Clubs = "C",
-    Hearts = "Hearts",
+    Hearts = "H",
-    Diamonds = "Diamonds",
+    Diamonds = "D",
 }

frontend/src/types/Gamestate.ts

@@ -1,5 +1,37 @@
 import type { Card } from "./Card";
 
-export interface Gamestate{
+export interface Player {
-    dealerUpcard: Card,
+    hands: [PlayingHand]
 }
+
+export enum PlayingHandState {
+    Playing = "Playing",
+    Standing = "Standing",
+    DoubleDown = "DoubleDown",
+    Busted = "Busted",
+    Blackjack = "Blackjack",
+    Maxed = "Maxed",
+}
+
+export interface PlayingHand {
+    state: PlayingHandState,
+    hand: [Card]
+}
+
+export interface Over {
+    type: "over",
+    dealerHand: [Card],
+    players: [Player],
+}
+
+export interface Starting {
+    type: "starting",
+}
+
+export interface Playing {
+    type: "playing",
+    dealerUpcard: Card,
+    players: [Player],
+}
+
+export type Gamestate = Over | Starting | Playing;