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 AiGoal {
pub goal_statement: String,
pub category: String,
pub confidence: f32,
}
pub struct AiGoalsBrain {
last_goal: Mutex<Option<AiGoal>>,
}
impl AiGoalsBrain {
pub fn new() -> Self {
Self {
last_goal: Mutex::new(None),
}
}
pub async fn last_goal(&self) -> Option<AiGoal> {
let guard = self.last_goal.lock().await;
guard.clone()
}
fn derive_goal(message: &str) -> AiGoal {
let lower = message.to_lowercase();
if lower.contains("learn") || lower.contains("study") {
return AiGoal {
goal_statement: "Help the user learn effectively".to_string(),
category: "learning".to_string(),
confidence: 0.6,
};
}
if lower.contains("plan") || lower.contains("goal") {
return AiGoal {
goal_statement: "Support the user with planning".to_string(),
category: "productivity".to_string(),
confidence: 0.6,
};
}
AiGoal {
goal_statement: "Provide supportive, engaging conversations".to_string(),
category: "support".to_string(),
confidence: 0.5,
}
}
}
#[async_trait]
impl BrainPlugin for AiGoalsBrain {
fn name(&self) -> &str {
"ai_goals"
}
fn description(&self) -> &str {
"Tracks a lightweight relationship goal for the AI"
}
async fn on_event(&self, event: BrainEvent, _ctx: &BrainContext) -> Result<()> {
if let BrainEvent::UserMessage { text, .. } = event {
let goal = Self::derive_goal(&text);
let mut guard = self.last_goal.lock().await;
*guard = Some(goal);
}
Ok(())
}
}