-- name: AllPendingMsgDests :many
SELECT DISTINCT
  usr.name AS user_name,
  cm.dest AS cm_dest,
  nc.name AS nc_name,
  nc.dest AS nc_dest
FROM
  outgoing_messages om
  LEFT JOIN users usr ON usr.id = om.user_id
  LEFT JOIN notification_channels nc ON nc.id = om.channel_id
  LEFT JOIN user_contact_methods cm ON cm.id = om.contact_method_id
WHERE
  om.last_status = 'pending'
  AND (now() - om.created_at) > INTERVAL '15 seconds'
  AND (om.alert_id = @alert_id::bigint
    OR (om.message_type = 'alert_notification_bundle'
      AND om.service_id = @service_id::uuid));

-- name: GraphQL_MessageStatusHistory :many
SELECT
  *
FROM
  message_status_history
WHERE
  message_id = $1
ORDER BY
  timestamp DESC;

-- name: GQLUserOnCallOverview :many
SELECT
  svc.id AS service_id,
  svc.name AS service_name,
  ep.id AS policy_id,
  ep.name AS policy_name,
  step.step_number
FROM
  ep_step_on_call_users oc
  JOIN escalation_policy_steps step ON step.id = oc.ep_step_id
  JOIN escalation_policies ep ON ep.id = step.escalation_policy_id
  JOIN services svc ON svc.escalation_policy_id = ep.id
WHERE
  oc.user_id = $1
  AND oc.end_time IS NULL;

-- name: ServiceAlertStats :many
-- ServiceAlertStats returns statistics about alerts for a service.
SELECT
  date_bin(sqlc.arg(stride)::interval, closed_at, sqlc.arg(origin)::timestamptz)::timestamptz AS bucket,
  coalesce(EXTRACT(EPOCH FROM AVG(time_to_ack)), 0)::double precision AS avg_time_to_ack_seconds,
  coalesce(EXTRACT(EPOCH FROM AVG(time_to_close)), 0)::double precision AS avg_time_to_close_seconds,
  coalesce(COUNT(*), 0)::bigint AS alert_count,
  coalesce(SUM(
      CASE WHEN escalated THEN
        1
      ELSE
        0
      END), 0)::bigint AS escalated_count,
  service_id
FROM
  alert_metrics
WHERE
  service_id = ANY (sqlc.arg(service_ids)::uuid[])
  AND (closed_at BETWEEN sqlc.arg(start_time)
    AND sqlc.arg(end_time))
GROUP BY
  service_id,
  bucket
ORDER BY
  bucket;

-- name: ServiceAlertCounts :many
SELECT
  COUNT(*),
  status,
  service_id
FROM
  alerts
WHERE
  service_id = ANY (@service_ids::uuid[])
GROUP BY
  service_id,
  status;