//! backup alert/recovery messages. Domain half of the Alerter split;
//! shared dispatch/cooldown plumbing lives in the parent module.

use tracing::instrument;

use super::{AlertCategory, AlertMeta, Alerter, backup_status_detail, backup_status_priority};

impl Alerter {
    #[instrument(skip_all)]
    pub async fn send_backup_stale_alert(
        &self,
        target: &str,
        label: &str,
        database: &str,
        status: &str,
        age_hours: Option<i64>,
    ) {
        let alert_key = format!("backup:{target}:{database}");
        let detail = backup_status_detail(status, age_hours);

        let subject = format!("[PoM] {label}: {database} backup {status}");
        let body = format!(
            "Target: {label} ({target})\n\
             Database: {database}\n\
             Status: {status}\n\
             Detail: {detail}\n\
             Instance: {}\n\
             Time: {}\n\n\
             - PoM",
            self.instance_name,
            chrono::Utc::now().to_rfc3339(),
        );

        let priority = backup_status_priority(status);
        self.fire_failure(
            &subject,
            &body,
            priority,
            "pom-backup",
            Some(&format!("{target}:{database}")),
            AlertMeta {
                key: &alert_key,
                category: AlertCategory::BackupStale,
                from: None,
                to: Some(status),
                error: None,
            },
        )
        .await;
    }

    #[instrument(skip_all)]
    pub async fn send_backup_recovery(&self, target: &str, label: &str, database: &str) {
        let alert_key = format!("backup:{target}:{database}");
        let subject = format!("[PoM] {label}: {database} backup recovered");
        let body = format!(
            "Target: {label} ({target})\n\
             Database: {database}\n\
             Backup is now current.\n\
             Instance: {}\n\
             Time: {}\n\n\
             - PoM",
            self.instance_name,
            chrono::Utc::now().to_rfc3339(),
        );

        self.fire_recovery(
            &subject,
            &body,
            AlertMeta {
                key: &alert_key,
                category: AlertCategory::BackupRecovery,
                from: None,
                to: Some("ok"),
                error: None,
            },
        )
        .await;
    }
}