<?php
declare(strict_types=1);
namespace App\Repository\Pdo;

use App\Repository\ActionRepository;
use PDO;

final class PdoActionRepository implements ActionRepository
{
    public function __construct(private PDO $pdo) {}

    public function insert(array $action): int
    {
        $st = $this->pdo->prepare(
            'INSERT INTO move_actions (camera_id, site, event_id, note, taken_at, created_by, created_at)
             VALUES (?, ?, ?, ?, ?, ?, ?)'
        );
        $st->execute([
            (string)$action['camera_id'],
            $action['site'] ?? null,     // denormalized from the camera's events by ActionsController
            // The incident that prompted this fix, when it was recorded from an event's detail
            // page. Nullable because an action can also be entered standalone from the report.
            isset($action['event_id']) ? (int)$action['event_id'] : null,
            (string)$action['note'],
            (int)$action['taken_at'],
            (string)$action['created_by'],
            time(),
        ]);
        return (int)$this->pdo->lastInsertId();
    }

    public function recent(int $limit, ?string $site): array
    {
        $sql = 'SELECT action_id, camera_id, site, event_id, note, taken_at, created_by FROM move_actions';
        $binds = [];
        if ($site !== null) {
            // Fail-closed like every other scoped list: an empty-string scope matches nothing,
            // and a row with no site is never visible to a scoped caller.
            $sql .= ' WHERE site = ?';
            $binds[] = $site;
        }
        $sql .= ' ORDER BY taken_at DESC, action_id DESC LIMIT ?';
        $st = $this->pdo->prepare($sql);
        $pos = 1;
        foreach ($binds as $b) $st->bindValue($pos++, $b, PDO::PARAM_STR);
        $st->bindValue($pos, $limit, PDO::PARAM_INT);
        $st->execute();
        return array_map(static fn ($r) => [
            'action_id' => (int)$r['action_id'],
            'camera_id' => $r['camera_id'],
            'site' => $r['site'],
            'event_id' => $r['event_id'] !== null ? (int)$r['event_id'] : null,
            'note' => $r['note'],
            'taken_at' => (int)$r['taken_at'],
            'created_by' => $r['created_by'],
        ], $st->fetchAll());
    }
}