rvoip-sip 0.2.4

use tracing::info;

/// Side effects that may be triggered by state transitions
pub struct Effects;

impl Effects {
    /// Log state transition for debugging
    pub fn log_transition(session_id: &str, from_state: &str, to_state: &str, event: &str) {
        info!(
            "Session {} transitioned from {} to {} via {}",
            session_id, from_state, to_state, event
        );
    }

    /// Record metrics for monitoring
    pub fn record_metrics(session_id: &str, state: &str, duration_ms: u64) {
        // Log metrics for now - in production this would integrate with Prometheus/StatsD/etc.
        tracing::debug!(
            "Metrics recorded - Session: {}, State: {}, Duration: {}ms",
            session_id,
            state,
            duration_ms
        );
    }

    /// Send notifications
    pub async fn notify_handlers(session_id: &str, event: &str) {
        // Log notification for now - in production this would call registered callbacks
        tracing::debug!(
            "Event notification sent - Session: {}, Event: {}",
            session_id,
            event
        );
    }
}