//! Broker monitoring utilities placeholder
//! This module provides monitoring and health checks for broker connections

use chrono::{DateTime, Utc};
use std::time::Duration;

/// Broker connection health status
///
/// Represents the operational state of a broker connection for monitoring purposes.
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum HealthStatus {
    /// Connection is fully operational with normal performance
    Healthy,
    /// Connection is operational but experiencing performance degradation
    Degraded,
    /// Connection is not operational or experiencing critical issues
    Unhealthy,
    /// Health status cannot be determined
    Unknown,
}

/// Broker monitoring metrics
#[derive(Debug, Clone)]
/// BrokerMetrics
///
/// Auto-generated documentation placeholder - enhance with specifics
pub struct BrokerMetrics {
    /// Connection Status
    pub connection_status: HealthStatus,
    /// Last Heartbeat
    pub last_heartbeat: Option<DateTime<Utc>>,
    /// Latency Ms
    pub latency_ms: Option<u64>,
    /// Error Count
    pub error_count: u64,
}

impl BrokerMetrics {
    /// Create new metrics
    pub const fn new() -> Self {
        Self {
            connection_status: HealthStatus::Unknown,
            last_heartbeat: None,
            latency_ms: None,
            error_count: 0,
        }
    }

    /// Update health status
    pub fn update_health(&mut self, status: HealthStatus) {
        self.connection_status = status;
        self.last_heartbeat = Some(Utc::now());
    }

    /// Record latency measurement
    pub fn record_latency(&mut self, latency: Duration) {
        self.latency_ms = Some(latency.as_millis() as u64);
    }

    /// Increment error counter
    pub fn increment_errors(&mut self) {
        self.error_count += 1;
    }
}

impl Default for BrokerMetrics {
    fn default() -> Self {
        Self::new()
    }
}
