use crate::games::traits::{Game, GameState};

pub struct SlotsGame;

impl SlotsGame {
    pub fn new() -> Self {
        Self
    }

    fn render_reels(&self, reels: &str) -> String {
        if reels.is_empty() {
            "[ ? ] [ ? ] [ ? ]".to_string()
        } else {
            let chars: Vec<char> = reels.chars().collect();
            format!(
                "[ {} ] [ {} ] [ {} ]\r",
                chars.get(0).unwrap_or(&'?'),
                chars.get(1).unwrap_or(&'?'),
                chars.get(2).unwrap_or(&'?')
            )
        }
    }
}

impl Game for SlotsGame {
    fn get_name(&self) -> &'static str {
        "Slots"
    }

    fn render(&self, state: &GameState) -> String {
        let reels = state.data.get("reels").cloned().unwrap_or_default();

        let mut output = format!("\n=== SLOTS ===\r\n");
        output += &format!("Bet: {} PLN\r\n", state.bet_amount);
        output += &format!("{}\r\n", self.render_reels(&reels));
        output += "\nPress [SPACE] to spin!\r\n";
        output += "\nControls: [+/-] Adjust Bet  [Q] Quit\r\n";
        output
    }

    fn render_lines(&self, _state: &GameState) -> usize {
        // Fixed count matching the render() layout:
        // blank, header, bet, reels, blank, prompt, blank, controls
        8
    }

    fn get_help(&self) -> String {
        "SLOTS GAME\n\
        =========\n\
        Match symbols to win!\n\
        \n\
        Payouts:\n\
        Three of a kind: 5x-100x bet\n\
        Two of a kind: 2x-20x bet\n\
        \n\
        Symbols: C=Cherry, L=Lemon, O=Orange, G=Grapes, D=Diamond, S=Seven\n\
        \n\
        Controls:\n\
        SPACE - Spin the reels\n\
        +/- - Adjust bet amount\n\
        Q - Exit the game"
            .to_string()
    }
}