<?php

declare(strict_types=1);

require_once __DIR__ . '/../includes/cron.php';

run_cron_job('build_hourly_aggregates', function (): string {
    $since = gmdate('Y-m-d H:00:00', time() - 48 * 3600);
    db_execute('DELETE FROM hourly_aggregates WHERE aggregate_hour >= ?', 's', [$since]);
    $inserted = 0;

    $stmt = db_execute(
        'INSERT INTO hourly_aggregates (website_id, aggregate_hour, metric_key, dimension_key, dimension_value, metric_value)
         SELECT website_id, DATE_FORMAT(entered_at, "%Y-%m-%d %H:00:00"), ?, "", "", COUNT(*)
         FROM page_views WHERE entered_at >= ? GROUP BY website_id, DATE_FORMAT(entered_at, "%Y-%m-%d %H:00:00")',
        'ss',
        ['page_views', $since]
    );
    $inserted += $stmt->affected_rows;

    $stmt = db_execute(
        'INSERT INTO hourly_aggregates (website_id, aggregate_hour, metric_key, dimension_key, dimension_value, metric_value)
         SELECT website_id, DATE_FORMAT(occurred_at, "%Y-%m-%d %H:00:00"), ?, "", "", COUNT(*)
         FROM events WHERE occurred_at >= ? GROUP BY website_id, DATE_FORMAT(occurred_at, "%Y-%m-%d %H:00:00")',
        'ss',
        ['events', $since]
    );
    $inserted += $stmt->affected_rows;

    return $inserted . ' hourly aggregates written';
});