summaryrefslogtreecommitdiffstats
path: root/src/bin/client/games/manager.rs
blob: 0b5b4cb04bc8d819032c4c3215d36258a807806f (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
use crate::games::slots::SlotsGame;
use crate::games::traits::{Game, GameError, GamePhase, GameState};
use std::collections::HashMap;
use std::io::Write;

pub struct GameManager {
    current_session: Option<GameState>,
    pending_game_type: Option<String>,
    games: HashMap<String, Box<dyn Game>>,
}

impl GameManager {
    pub fn new() -> Self {
        let mut games: HashMap<String, Box<dyn Game>> = HashMap::new();
        games.insert("slots".to_string(), Box::new(SlotsGame::new()));

        Self {
            current_session: None,
            pending_game_type: None,
            games,
        }
    }

    pub fn get_available_games(&self) -> Vec<(&str, &str)> {
        self.games
            .iter()
            .map(|(k, v)| (k.as_str(), v.get_name()))
            .collect()
    }

    pub fn enter_game(&mut self, game_type: &str) -> Result<(), GameError> {
        if self.current_session.is_some() {
            return Err(GameError::InvalidAction);
        }

        if !self.games.contains_key(game_type) {
            return Err(GameError::InvalidAction);
        }

        self.pending_game_type = Some(game_type.to_string());

        self.current_session = Some(GameState {
            game_type: game_type.to_string(),
            bet_amount: 10,
            phase: GamePhase::WaitingToStart,
            data: HashMap::new(),
        });

        Ok(())
    }

    pub fn start_game(
        &mut self,
        stream: &mut crate::connection::TlsStream,
    ) -> Result<(), GameError> {
        let game_type = self
            .pending_game_type
            .as_ref()
            .ok_or(GameError::InvalidAction)?;

        let state = self
            .current_session
            .as_mut()
            .ok_or(GameError::InvalidAction)?;

        if state.phase != GamePhase::WaitingToStart && state.phase != GamePhase::Finished {
            return Err(GameError::InvalidAction);
        }

        let bet_amount = state.bet_amount;

        let writer = stream;
        writeln!(writer, "PLAY_START {} {}", game_type, bet_amount)
            .map_err(|_| GameError::NetworkError)?;

        Ok(())
    }

    pub fn get_current_game(&self) -> Option<&dyn Game> {
        self.current_session
            .as_ref()
            .and_then(|session| self.games.get(&session.game_type).map(|game| game.as_ref()))
    }

    pub fn get_current_state(&self) -> Option<&GameState> {
        self.current_session.as_ref()
    }

    pub fn get_current_render_lines(&self) -> Option<usize> {
        let session = self.current_session.as_ref()?;
        let game = self.games.get(&session.game_type)?;
        Some(game.render_lines(session))
    }

    pub fn is_in_game(&self) -> bool {
        self.current_session.is_some()
    }

    pub fn is_game_started(&self) -> bool {
        self.current_session
            .as_ref()
            .map(|s| s.phase != GamePhase::WaitingToStart)
            .unwrap_or(false)
    }

    pub fn reset_phase_to_waiting(&mut self) {
        if let Some(ref mut session) = self.current_session {
            session.phase = GamePhase::WaitingToStart;
            session.data.clear();
        }
    }

    pub fn end_game(&mut self) {
        self.current_session = None;
        self.pending_game_type = None;
    }

    pub fn adjust_bet(&mut self, delta: i64) -> Result<u64, GameError> {
        if let Some(ref session) = self.current_session {
            if session.phase != GamePhase::WaitingToStart {
                return Err(GameError::InvalidAction);
            }
        }

        if let Some(ref mut session) = self.current_session {
            let current_bet = session.bet_amount as i64;
            let new_bet = (current_bet + delta).max(10) as u64;
            session.bet_amount = new_bet;
            Ok(new_bet)
        } else {
            Err(GameError::InvalidAction)
        }
    }
}