// Code generated by sqlc. DO NOT EDIT.
// versions:
//   sqlc v1.31.1
// source: observer_activity_summary.sql

package db

import (
	"context"

	"github.com/google/uuid"
	"github.com/jackc/pgx/v5/pgtype"
)

const getObserverActivityLiveSummary = `-- name: GetObserverActivityLiveSummary :one
WITH latest AS (
 SELECT heard_at FROM packet_observations
 WHERE observer_id = $1::uuid AND heard_at <= $2::timestamptz
 ORDER BY heard_at DESC LIMIT 1
), hourly AS (
 SELECT COUNT(*)::bigint AS n FROM packet_observations
 WHERE observer_id = $1::uuid
 AND heard_at >= $3::timestamptz AND heard_at < $4::timestamptz
)
SELECT (SELECT heard_at FROM latest)::timestamptz AS latest_recorded_at,
 hourly.n AS last_complete_hour FROM hourly
`

type GetObserverActivityLiveSummaryParams struct {
	ObserverID  uuid.UUID          `json:"observer_id"`
	GeneratedAt pgtype.Timestamptz `json:"generated_at"`
	HourStart   pgtype.Timestamptz `json:"hour_start"`
	HourEnd     pgtype.Timestamptz `json:"hour_end"`
}

type GetObserverActivityLiveSummaryRow struct {
	LatestRecordedAt pgtype.Timestamptz `json:"latest_recorded_at"`
	LastCompleteHour int64              `json:"last_complete_hour"`
}

// Two indexed ranges, bounded to one observer; no legacy presence counters.
func (q *Queries) GetObserverActivityLiveSummary(ctx context.Context, arg GetObserverActivityLiveSummaryParams) (GetObserverActivityLiveSummaryRow, error) {
	row := q.db.QueryRow(ctx, getObserverActivityLiveSummary,
		arg.ObserverID,
		arg.GeneratedAt,
		arg.HourStart,
		arg.HourEnd,
	)
	var i GetObserverActivityLiveSummaryRow
	err := row.Scan(&i.LatestRecordedAt, &i.LastCompleteHour)
	return i, err
}