v2.2.0: add blackjack with reserved bets and hit/stand/double

1 files changed, 149 insertions, 5 deletions

diff --git a/src/client/core.rs b/src/client/core.rs
index e005f2a..6e9c28b 100644
--- a/src/client/core.rs
+++ b/src/client/core.rs
@@ -1,5 +1,7 @@
 use crate::client::games::manager::GameManager;
-use crate::client::games::response::{parse_roulette_response, parse_spin_response};
+use crate::client::games::response::{
+    parse_blackjack_response, parse_roulette_response, parse_spin_response,
+};
 use crate::client::ui::{
     command_names, completion_lines, display_width, help_lines, input_cursor_column,
     parse_bet_arg, record_history,
@@ -61,6 +63,9 @@ pub enum Effect {
 enum Pending {
     Spin,
     RouletteSpin,
+    BlackjackStart,
+    BlackjackAction,
+    BlackjackCancel,
     Ping,
     Echo,
     Info,
@@ -191,6 +196,32 @@ impl ClientCore {
                     self.board_effects()
                 }
             },
+            Some(Pending::BlackjackStart) | Some(Pending::BlackjackAction) => {
+                match parse_blackjack_response(reply) {
+                    Ok(state) => {
+                        self.balance = Some(state.balance);
+                        self.game.apply_blackjack_state(state);
+                        self.board_effects()
+                    }
+                    Err(message) => {
+                        self.game.set_error(message);
+                        self.board_effects()
+                    }
+                }
+            }
+            Some(Pending::BlackjackCancel) => match parse_blackjack_response(reply) {
+                Ok(_) => {
+                    self.game.end_game();
+                    vec![
+                        Effect::ClearRegion,
+                        Effect::Print(vec!["Game exited.".to_string()]),
+                    ]
+                }
+                Err(message) => {
+                    self.game.set_error(message);
+                    self.board_effects()
+                }
+            },
             Some(Pending::Ping) => {
                 if reply.trim() == "PONG" {
                     print_line("Pong")
@@ -225,14 +256,16 @@ impl ClientCore {
     }
 
     fn handle_game_key(&mut self, key: Key) -> Vec<Effect> {
-        if self
+        let game_type = self
             .game
             .get_current_state()
-            .map(|state| state.game_type.as_str())
-            == Some("roulette")
-        {
+            .map(|state| state.game_type.as_str());
+        if game_type == Some("roulette") {
             return self.handle_roulette_key(key);
         }
+        if game_type == Some("blackjack") {
+            return self.handle_blackjack_key(key);
+        }
 
         match key {
             Key::CtrlC => vec![Effect::Quit],
@@ -411,6 +444,117 @@ impl ClientCore {
             .unwrap_or_default()
     }
 
+    fn handle_blackjack_key(&mut self, key: Key) -> Vec<Effect> {
+        let status = self
+            .game
+            .get_current_state()
+            .and_then(|state| state.data.get("status"))
+            .cloned()
+            .unwrap_or_else(|| "ready".to_string());
+        let hand = self.game.blackjack_state();
+
+        match key {
+            Key::CtrlC => vec![Effect::Quit],
+            Key::Char('q') => {
+                if let Some(hand) = hand.filter(|hand| hand.phase == "player") {
+                    self.game.set_blackjack_status("cancelling");
+                    self.pending = Some(Pending::BlackjackCancel);
+                    vec![Effect::SendLine(format!(
+                        "BLACKJACK_ACTION {} cancel",
+                        hand.session_id
+                    ))]
+                } else {
+                    self.game.end_game();
+                    vec![
+                        Effect::ClearRegion,
+                        Effect::Print(vec!["Game exited.".to_string()]),
+                    ]
+                }
+            }
+            Key::Char(' ') => self.start_blackjack(),
+            Key::Char('h')
+                if hand.as_ref().is_some_and(|hand| hand.phase == "player") =>
+            {
+                self.blackjack_action("hit")
+            }
+            Key::Char('s')
+                if hand.as_ref().is_some_and(|hand| hand.phase == "player") =>
+            {
+                self.blackjack_action("stand")
+            }
+            Key::Char('d')
+                if hand.as_ref().is_some_and(|hand| {
+                    hand.phase == "player"
+                        && hand.actions.iter().any(|action| action == "double")
+                }) =>
+            {
+                self.blackjack_action("double")
+            }
+            Key::Char('+') | Key::Char('=')
+                if matches!(status.as_str(), "ready" | "done") =>
+            {
+                let _ = self.game.adjust_bet(10);
+                self.board_effects()
+            }
+            Key::Char('-') if matches!(status.as_str(), "ready" | "done") => {
+                let _ = self.game.adjust_bet(-10);
+                self.board_effects()
+            }
+            _ => Vec::new(),
+        }
+    }
+
+    fn start_blackjack(&mut self) -> Vec<Effect> {
+        let status = self
+            .game
+            .get_current_state()
+            .and_then(|state| state.data.get("status"))
+            .cloned()
+            .unwrap_or_else(|| "ready".to_string());
+        if !matches!(status.as_str(), "ready" | "done") {
+            return Vec::new();
+        }
+        let Some(request) = self.game.spin_request() else {
+            return Vec::new();
+        };
+        if let Some(balance) = self.balance {
+            let bet = self
+                .game
+                .get_current_state()
+                .map(|state| state.bet_amount)
+                .unwrap_or(0);
+            if bet as i64 > balance {
+                self.game.set_error("Insufficient balance");
+                return self.board_effects();
+            }
+        }
+
+        self.game.set_blackjack_status("dealing");
+        self.pending = Some(Pending::BlackjackStart);
+        let mut effects = self.board_effects();
+        effects.push(Effect::SendLine(request));
+        effects
+    }
+
+    fn blackjack_action(&mut self, action: &str) -> Vec<Effect> {
+        let Some(hand) = self.game.blackjack_state() else {
+            return Vec::new();
+        };
+        if hand.phase != "player" {
+            return Vec::new();
+        }
+        if action == "double"
+            && !hand.actions.iter().any(|available| available == "double")
+        {
+            return Vec::new();
+        }
+        self.pending = Some(Pending::BlackjackAction);
+        vec![Effect::SendLine(format!(
+            "BLACKJACK_ACTION {} {}",
+            hand.session_id, action
+        ))]
+    }
+
     fn submit(&mut self) -> Vec<Effect> {
         let line = self.input.trim().to_string();
         self.input.clear();