<?php

namespace Models;

class TshieldWebhookModel
{
    private \PDO $pdo;

    public function __construct()
    {
        if (!isset($GLOBALS['pdo']) || !($GLOBALS['pdo'] instanceof \PDO)) {
            throw new \RuntimeException('Database connection not initialized.');
        }

        $this->pdo = $GLOBALS['pdo'];
    }

    public function approveByExternalId(string $externalId): bool
    {
        return $this->approveByExternalIds([$externalId]);
    }

    public function approveByExternalIds(array $externalIds): bool
    {
        $externalIds = array_values(array_unique(array_filter(array_map(static function ($id) {
            if (is_numeric($id)) {
                $id = (string)$id;
            }
            if (!is_string($id)) {
                return null;
            }
            $id = trim($id);
            return $id === '' ? null : $id;
        }, $externalIds))));

        if (empty($externalIds)) {
            return false;
        }

        $params = [];
        $placeholders = [];
        foreach ($externalIds as $i => $id) {
            $key = 'id' . $i;
            $placeholders[] = ':' . $key;
            $params[$key] = $id;
        }

        $sql = 'UPDATE "user" SET user_kyc = 1 '
            . 'WHERE kyc_external_id IN (' . implode(',', $placeholders) . ') '
            . 'AND user_flag = \'a\'';
        $stmt = $this->pdo->prepare($sql);
        $stmt->execute($params);
        return $stmt->rowCount() > 0;
    }
}