From d9f1fe513e6f7696809d3a9b4d44ca485fe99c97 Mon Sep 17 00:00:00 2001
From: salmonik <salmonik@tuta.io>
Date: Thu, 29 Oct 2026 17:18:34 +0100
Subject: v2.1.0: add European roulette with split bets and wheel animation

---
 src/server/core.rs | 77 +++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 50 insertions(+), 27 deletions(-)

(limited to 'src/server/core.rs')

diff --git a/src/server/core.rs b/src/server/core.rs
index 7231577..2ce8b2b 100644
--- a/src/server/core.rs
+++ b/src/server/core.rs
@@ -85,11 +85,11 @@ impl ServerCore {
                 }
             }
             "PLAY_START" => {
-                if parts.len() != 3 {
-                    "ERROR Invalid PLAY_START format. Usage: PLAY_START <game_type> <bet_amount>"
+                if parts.len() != 3 && parts.len() != 4 {
+                    "ERROR Invalid PLAY_START format. Usage: PLAY_START <game_type> <bet_amount> [payload]"
                         .to_string()
                 } else {
-                    self.handle_play_start(state, parts[1], parts[2])
+                    self.handle_play_start(state, parts[1], parts[2], parts.get(3).copied())
                 }
             }
             "REGISTER" => {
@@ -187,6 +187,7 @@ impl ServerCore {
         state: &ConnectionState,
         game_type: &str,
         bet_amount_str: &str,
+        payload: Option<&str>,
     ) -> String {
         let Some(user) = state.user.as_deref() else {
             return "ERROR Not logged in".to_string();
@@ -216,7 +217,8 @@ impl ServerCore {
         }
 
         let game_state = game.prepare_state(user, bet_amount as u64);
-        let new_state = match game.process_action(&game_state, "spin", &[]) {
+        let params: Vec<&str> = payload.into_iter().collect();
+        let new_state = match game.process_action(&game_state, "spin", &params) {
             Ok(state) => state,
             Err(error) => return game_error(error),
         };
@@ -239,26 +241,6 @@ impl ServerCore {
             }
         };
 
-        let reels = result
-            .result_data
-            .get("reels")
-            .cloned()
-            .unwrap_or_default();
-        let win_type = result
-            .result_data
-            .get("win_type")
-            .cloned()
-            .unwrap_or_default();
-        let win_lines = result
-            .result_data
-            .get("win_lines")
-            .cloned()
-            .unwrap_or_else(|| "-".to_string());
-        let win_cells = result
-            .result_data
-            .get("win_cells")
-            .cloned()
-            .unwrap_or_else(|| "-".to_string());
         let details =
             serde_json::to_string(&result.result_data).unwrap_or_else(|_| "{}".to_string());
 
@@ -273,9 +255,50 @@ impl ServerCore {
         ) {
             Ok(new_balance) => {
                 let _ = self.sessions.remove_session(&session_id);
-                format!(
-                    "GAME_RESULT {session_id} {winnings} {bet_amount} {new_balance} {reels} {win_type} {win_lines} {win_cells}"
-                )
+                if game_type == "roulette" {
+                    let number = result
+                        .result_data
+                        .get("number")
+                        .cloned()
+                        .unwrap_or_default();
+                    let color = result
+                        .result_data
+                        .get("color")
+                        .cloned()
+                        .unwrap_or_default();
+                    let bets = result
+                        .result_data
+                        .get("bets")
+                        .cloned()
+                        .unwrap_or_else(|| "{}".to_string());
+                    format!(
+                        "ROULETTE_RESULT {session_id} {winnings} {bet_amount} {new_balance} {number} {color} {bets}"
+                    )
+                } else {
+                    let reels = result
+                        .result_data
+                        .get("reels")
+                        .cloned()
+                        .unwrap_or_default();
+                    let win_type = result
+                        .result_data
+                        .get("win_type")
+                        .cloned()
+                        .unwrap_or_default();
+                    let win_lines = result
+                        .result_data
+                        .get("win_lines")
+                        .cloned()
+                        .unwrap_or_else(|| "-".to_string());
+                    let win_cells = result
+                        .result_data
+                        .get("win_cells")
+                        .cloned()
+                        .unwrap_or_else(|| "-".to_string());
+                    format!(
+                        "GAME_RESULT {session_id} {winnings} {bet_amount} {new_balance} {reels} {win_type} {win_lines} {win_cells}"
+                    )
+                }
             }
             Err(error) => {
                 let _ = self.sessions.remove_session(&session_id);
-- 
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