use async_trait::async_trait;
use tokio::sync::Mutex;
use crate::error::Result;
use crate::interfaces::brain::{BrainContext, BrainEvent, BrainPlugin};
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum AgeCategory {
Child,
Teen,
Adult,
VulnerableAdult,
Unknown,
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum SafetyLevel {
Maximum,
High,
Standard,
Enhanced,
}
#[derive(Debug, Clone)]
pub struct AgeAssessment {
pub category: AgeCategory,
pub safety_level: SafetyLevel,
pub confidence: f32,
pub reasoning: String,
}
pub struct AgeDetectionBrain {
last_assessment: Mutex<Option<AgeAssessment>>,
}
impl AgeDetectionBrain {
pub fn new() -> Self {
Self {
last_assessment: Mutex::new(None),
}
}
pub async fn last_assessment(&self) -> Option<AgeAssessment> {
let guard = self.last_assessment.lock().await;
guard.clone()
}
fn assess(message: &str) -> AgeAssessment {
let text = message.to_lowercase();
if [
"recess",
"homework",
"my mom",
"my dad",
"elementary",
"cartoon",
]
.iter()
.any(|kw| text.contains(kw))
{
return AgeAssessment {
category: AgeCategory::Child,
safety_level: SafetyLevel::Maximum,
confidence: 0.7,
reasoning: "child indicators detected".to_string(),
};
}
if ["high school", "prom", "curfew", "sat", "act", "license"]
.iter()
.any(|kw| text.contains(kw))
{
return AgeAssessment {
category: AgeCategory::Teen,
safety_level: SafetyLevel::High,
confidence: 0.65,
reasoning: "teen indicators detected".to_string(),
};
}
if ["dementia", "memory care", "cognitive decline", "caregiver"]
.iter()
.any(|kw| text.contains(kw))
{
return AgeAssessment {
category: AgeCategory::VulnerableAdult,
safety_level: SafetyLevel::Enhanced,
confidence: 0.6,
reasoning: "vulnerable adult indicators detected".to_string(),
};
}
if ["mortgage", "taxes", "career", "retirement", "rent", "bills"]
.iter()
.any(|kw| text.contains(kw))
{
return AgeAssessment {
category: AgeCategory::Adult,
safety_level: SafetyLevel::Standard,
confidence: 0.6,
reasoning: "adult indicators detected".to_string(),
};
}
AgeAssessment {
category: AgeCategory::Unknown,
safety_level: SafetyLevel::Standard,
confidence: 0.3,
reasoning: "insufficient indicators".to_string(),
}
}
}
#[async_trait]
impl BrainPlugin for AgeDetectionBrain {
fn name(&self) -> &str {
"age_detection"
}
fn description(&self) -> &str {
"Infers age category and safety level from user messages"
}
async fn on_event(&self, event: BrainEvent, _ctx: &BrainContext) -> Result<()> {
if let BrainEvent::UserMessage { text, .. } = event {
let assessment = Self::assess(&text);
let mut guard = self.last_assessment.lock().await;
*guard = Some(assessment);
}
Ok(())
}
}