use async_trait::async_trait;
use tokio::sync::Mutex;
use crate::error::Result;
use crate::interfaces::brain::{BrainContext, BrainEvent, BrainPlugin};
#[derive(Debug, Clone)]
pub struct PersonalitySignal {
pub maxim: String,
pub anger_level: String,
}
pub struct PersonalityBrain {
last_signal: Mutex<Option<PersonalitySignal>>,
}
impl PersonalityBrain {
pub fn new() -> Self {
Self {
last_signal: Mutex::new(None),
}
}
pub async fn last_signal(&self) -> Option<PersonalitySignal> {
let guard = self.last_signal.lock().await;
guard.clone()
}
fn detect(message: &str) -> PersonalitySignal {
let lower = message.to_lowercase();
let anger_level = if lower.contains("insult") || lower.contains("stupid") {
"warning"
} else {
"none"
};
let maxim = "Strong beliefs, loosely held".to_string();
PersonalitySignal {
maxim,
anger_level: anger_level.to_string(),
}
}
}
#[async_trait]
impl BrainPlugin for PersonalityBrain {
fn name(&self) -> &str {
"personality"
}
fn description(&self) -> &str {
"Emits a lightweight personality signal (maxim + boundary tone)"
}
async fn on_event(&self, event: BrainEvent, _ctx: &BrainContext) -> Result<()> {
if let BrainEvent::UserMessage { text, .. } = event {
let signal = Self::detect(&text);
let mut guard = self.last_signal.lock().await;
*guard = Some(signal);
}
Ok(())
}
}