<?php
/**
 * Identity verification event persistence.
 *
 * @package AKSRT
 */

namespace AKSRT\Identity;

defined('ABSPATH') || exit;

final class EventRepository {

    private string $table;

    public function __construct() {
        $this->table = \AKSRT\Core\DBMigrator::table('identity_event');
    }

    /** @param array<string,mixed> $event */
    public function record(array $event): bool {
        global $wpdb;
        $summary = is_array($event['summary'] ?? null) ? $event['summary'] : [];
        $row = [
            'application_id' => (int) ($event['application_id'] ?? 0),
            'event_uuid' => wp_generate_uuid4(),
            'source' => sanitize_key((string) ($event['source'] ?? 'system')),
            'event_type' => sanitize_key((string) ($event['event_type'] ?? 'status_changed')),
            'external_event_id' => sanitize_text_field((string) ($event['external_event_id'] ?? '')),
            'dedupe_key' => (string) ($event['dedupe_key'] ?? hash('sha256', wp_generate_uuid4())),
            'from_status' => sanitize_key((string) ($event['from_status'] ?? '')),
            'to_status' => sanitize_key((string) ($event['to_status'] ?? '')),
            'result_code' => sanitize_text_field((string) ($event['result_code'] ?? '')),
            'summary_json' => $summary !== [] ? wp_json_encode($summary) : null,
            'actor_user_id' => !empty($event['actor_user_id']) ? (int) $event['actor_user_id'] : null,
            'created_at' => current_time('mysql', true),
        ];
        $inserted = $wpdb->insert($this->table, $row);
        if ($inserted === 1) {
            return true;
        }
        return str_contains(strtolower((string) $wpdb->last_error), 'duplicate');
    }

    /** @return array<int,array<string,mixed>> */
    public function for_application(int $application_id): array {
        global $wpdb;
        $rows = $wpdb->get_results($wpdb->prepare(
            "SELECT * FROM {$this->table} WHERE application_id = %d ORDER BY id DESC",
            $application_id
        ), ARRAY_A);
        return is_array($rows) ? $rows : [];
    }
}