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 CoachPrompt {
pub micro_step: String,
}
pub struct ProactiveCoachBrain {
last_prompt: Mutex<Option<CoachPrompt>>,
}
impl ProactiveCoachBrain {
pub fn new() -> Self {
Self {
last_prompt: Mutex::new(None),
}
}
pub async fn last_prompt(&self) -> Option<CoachPrompt> {
let guard = self.last_prompt.lock().await;
guard.clone()
}
fn generate(message: &str) -> CoachPrompt {
let lower = message.to_lowercase();
let micro_step = if lower.contains("overwhelmed") {
"Pick one small task you can finish in 10 minutes".to_string()
} else if lower.contains("stuck") {
"Define the next smallest action you can take".to_string()
} else {
"Clarify the next actionable step".to_string()
};
CoachPrompt { micro_step }
}
}
#[async_trait]
impl BrainPlugin for ProactiveCoachBrain {
fn name(&self) -> &str {
"proactive_coach"
}
fn description(&self) -> &str {
"Suggests proactive micro-steps"
}
async fn on_event(&self, event: BrainEvent, _ctx: &BrainContext) -> Result<()> {
if let BrainEvent::UserMessage { text, .. } = event {
let prompt = Self::generate(&text);
let mut guard = self.last_prompt.lock().await;
*guard = Some(prompt);
}
Ok(())
}
}