use crate::monitoring::types::{AlertRuleKind, FiredAlert};
use crate::webhooks::{self, WebhookEvent, WebhookPayload};
use std::path::Path;
use std::sync::Arc;
use tracing::info;

/// Push fired alerts as notifications to the state manager (broadcast via WebSocket).
pub(crate) async fn push_alert_notifications(
    state_mgr: &Arc<crate::state::StateManager>,
    alerts: &[FiredAlert],
) {
    let (mut data, _rev) = state_mgr.get_snapshot().await;
    for alert in alerts {
        let level = match alert.kind {
            AlertRuleKind::DiskUsage | AlertRuleKind::RamUsage => {
                if alert.value > 95.0 {
                    crate::data_model::NotificationLevel::Error
                } else {
                    crate::data_model::NotificationLevel::Warning
                }
            }
            AlertRuleKind::ContainerCrash => crate::data_model::NotificationLevel::Error,
            _ => crate::data_model::NotificationLevel::Warning,
        };
        let notification = crate::data_model::Notification {
            id: alert.id.clone(),
            level,
            title: format!("{:?} Alert", alert.kind),
            message: alert.message.clone(),
            timestamp: chrono::Utc::now().to_rfc3339(),
            app_id: None,
        };
        data.notifications.push(notification);
    }
    // Keep max 20 notifications
    while data.notifications.len() > 20 {
        data.notifications.remove(0);
    }
    state_mgr.update_data(data).await;
    info!("Fired {} alert(s)", alerts.len());
}

/// Deliver webhook notifications for alerts that map to webhook events.
pub(crate) async fn deliver_alert_webhooks(data_dir: &Path, alerts: &[FiredAlert]) {
    for alert in alerts {
        let event = match alert.kind {
            AlertRuleKind::DiskUsage => Some(WebhookEvent::DiskWarning),
            AlertRuleKind::ContainerCrash => Some(WebhookEvent::ContainerCrash),
            _ => None,
        };
        if let Some(event) = event {
            let payload = WebhookPayload {
                event,
                title: format!("{:?} Alert", alert.kind),
                message: alert.message.clone(),
                timestamp: chrono::Utc::now().to_rfc3339(),
                node_id: String::new(),
                details: Some(serde_json::json!({
                    "value": alert.value,
                    "threshold": alert.threshold,
                })),
            };
            webhooks::send_webhook(data_dir, payload).await;
        }
    }
}