From a46ff43db48e74d6c5ef5acec60bc95beceb1741 Mon Sep 17 00:00:00 2001
From: Baptiste Fouques <baptiste@bat.fr.eu.org>
Date: Thu, 26 Jan 2023 17:21:00 +0100
Subject: [PATCH] Add skeleton for options

---
 chess_uci/src/lib.rs | 45 +++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 44 insertions(+), 1 deletion(-)

diff --git a/chess_uci/src/lib.rs b/chess_uci/src/lib.rs
index 22798fc..91b9be2 100644
--- a/chess_uci/src/lib.rs
+++ b/chess_uci/src/lib.rs
@@ -5,6 +5,7 @@ pub mod uci_command;
 
 use log::{info, warn};
 use std::io::*;
+use std::time::Duration;
 use crate::uci_command::*;
 
 use chess::{Game, Board, ChessMove};
@@ -38,6 +39,26 @@ pub struct UciEngine<Fi: Read, Fo: Write> {
     id: Id,
     initial: Board,
     game: Game,
+    /// white (total, incr), black (total, incr)
+    time: ((Option<Duration>, Option<Duration>), (Option<Duration>, Option<Duration>)),
+    /// white, black
+    player: (Player, Player)
+}
+
+pub enum UciOption {
+    Ponder{value: bool},
+    UCIElo{value: Option<u32>},
+}
+
+#[derive(Clone, Copy)]
+pub enum Player{Human{elo: Option<u32>}, Machine{elo: Option<u32>}}
+pub enum GameOption {
+    WhiteTotalTime{value: Option<Duration>},
+    BlackTotalTime{value: Option<Duration>},
+    WhiteIncrement{value: Option<Duration>},
+    BlackIncrement{value: Option<Duration>},
+    WhitePlayer{value: Player},
+    BlackPlayer{value: Player},
 }
 
 impl<Fi: Read, Fo:  Write> UciEngine<Fi, Fo> {
@@ -52,10 +73,32 @@ impl<Fi: Read, Fo:  Write> UciEngine<Fi, Fo> {
             id: Id::new(),
             uciok: false,
             initial: Board::default(),
-            game: Game::new()
+            game: Game::new(),
+            time: ((None, None), (None, None)),
+            player: (Player::Human{elo: None}, Player::Human{elo: None}),
         }
     }
 
+    pub fn game_option(&mut self, option: GameOption) -> GameOption {
+        let old_value: GameOption;
+        match option {
+            GameOption::WhiteTotalTime{value} => {old_value = GameOption::WhiteTotalTime { value: self.time.0.0 };
+                                                  self.time.0.0 = value},
+            GameOption::BlackTotalTime{value} => {old_value = GameOption::BlackTotalTime { value: self.time.1.0 };
+                                                  self.time.1.0 = value},
+            GameOption::WhiteIncrement{value} => {old_value = GameOption::WhiteIncrement { value: self.time.0.1 };
+                                                  self.time.0.1 = value},
+            GameOption::BlackIncrement{value} => {old_value = GameOption::BlackIncrement { value: self.time.1.1 };
+                                                  self.time.1.1 = value},
+            GameOption::WhitePlayer{value} => {old_value = GameOption::WhitePlayer { value: self.player.0 };
+                                               self.player.0 = value},
+            GameOption::BlackPlayer{value} => {old_value = GameOption::WhitePlayer { value: self.player.1 };
+                                               self.player.1 = value},
+        }
+
+        old_value
+    }
+
     /// Launch uci engine initialisation
     ///
     /// Retrieve data from uci engine (until uciok command from engine)