From ea5e7d336719571e51ef14478ab603e71126e3d8 Mon Sep 17 00:00:00 2001
From: salmonik <salmonik@tuta.io>
Date: Wed, 28 Oct 2026 22:28:05 +0100
Subject: v0.2.2: split client/server logic into the library

---
 src/server/games/traits.rs | 67 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 src/server/games/traits.rs

(limited to 'src/server/games/traits.rs')

diff --git a/src/server/games/traits.rs b/src/server/games/traits.rs
new file mode 100644
index 0000000..d56b334
--- /dev/null
+++ b/src/server/games/traits.rs
@@ -0,0 +1,67 @@
+use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum GameError {
+    InvalidAction(String),
+    InsufficientBalance,
+    InvalidBet,
+    GameOver,
+    SessionNotFound,
+    InternalError(String),
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+pub enum GamePhase {
+    WaitingToStart,
+    Playing,
+    Finished,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct GameState {
+    pub session_id: String,
+    pub game_type: String,
+    pub bet_amount: u64,
+    pub phase: GamePhase,
+    pub data: HashMap<String, String>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct GameResult {
+    pub session_id: String,
+    pub game_type: String,
+    pub bet_amount: u64,
+    pub winnings: u64,
+    pub final_balance: u64,
+    pub result_data: HashMap<String, String>,
+}
+
+pub trait Game: Send + Sync {
+    fn game_type(&self) -> &'static str;
+
+    fn get_name(&self) -> &'static str;
+
+    fn get_description(&self) -> &'static str;
+
+    fn validate_bet(&self, bet_amount: u64, user_balance: u64) -> Result<(), GameError> {
+        if bet_amount == 0 {
+            return Err(GameError::InvalidBet);
+        }
+        if bet_amount > user_balance {
+            return Err(GameError::InsufficientBalance);
+        }
+        Ok(())
+    }
+
+    fn prepare_state(&self, username: &str, bet_amount: u64) -> GameState;
+
+    fn process_action(
+        &self,
+        state: &GameState,
+        action: &str,
+        params: &[&str],
+    ) -> Result<GameState, GameError>;
+
+    fn calculate_result(&self, state: &GameState) -> Result<GameResult, GameError>;
+}
-- 
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