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//! Play history as sent to the client.
use serde::{Deserialize, Serialize};
pub const DEFAULT_HISTORY: u32 = 20;
pub const MAX_HISTORY: u32 = 50;
/// One settled play. `details` is the game's own audit blob.
#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct PlayRecord {
pub game: String,
pub bet: i64,
pub winnings: i64,
pub balance_after: i64,
/// Timestamp as stored in SQLite (`YYYY-MM-DD HH:MM:SS`, UTC).
pub at: String,
#[serde(default)]
pub details: serde_json::Value,
}
impl PlayRecord {
/// Short human summary of the game-specific details.
pub fn summary(&self) -> String {
let field = |name: &str| -> Option<String> {
self.details.get(name).map(|value| match value.as_str() {
Some(text) => text.to_string(),
None => value.to_string(),
})
};
match self.game.as_str() {
"slots" => field("win_type").unwrap_or_else(|| "spin".to_string()),
"roulette" => match (field("number"), field("color")) {
(Some(number), Some(color)) => format!("{number} {color}"),
(Some(number), None) => number,
_ => String::new(),
},
"blackjack" => field("result").unwrap_or_default(),
"crash" => {
let result = field("result").unwrap_or_default();
match self.details.get("multiplier").and_then(|value| value.as_f64()) {
Some(multiplier) => format!("{result} {multiplier:.2}x"),
None => result,
}
}
_ => String::new(),
}
}
/// `YYYY-MM-DD HH:MM`, dropping the seconds.
pub fn short_time(&self) -> &str {
self.at.get(..16).unwrap_or(&self.at)
}
}
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