<?php

declare(strict_types=1);

namespace app\common\service;

use support\think\Db;
use Throwable;
use Webman\Push\Api;

/**
 * 用户私有频道推送：private-user-{uuid}（与移动端接口设计草案 7.1 一致）
 */
final class UserPushService
{
    public const EVT_BET_ACCEPTED = 'bet.accepted';

    /** 单注开奖结果（含未中奖 win_amount=0） */
    public const EVT_BET_SETTLED = 'bet.settled';

    public const EVT_WALLET_CHANGED = 'wallet.changed';

    /** 命中配置为「大奖」的连胜档派彩（私有频道） */
    public const EVT_JACKPOT_HIT = 'jackpot.hit';

    private static function channelName(string $uuid): string
    {
        return 'private-user-' . $uuid;
    }

    private static function createApi(): Api
    {
        return new Api(
            str_replace('0.0.0.0', '127.0.0.1', (string) config('plugin.webman.push.app.api')),
            (string) config('plugin.webman.push.app.app_key'),
            (string) config('plugin.webman.push.app.app_secret')
        );
    }

    public static function uuidForUserId(int $userId): ?string
    {
        if ($userId <= 0) {
            return null;
        }
        $u = Db::name('user')->where('id', $userId)->value('uuid');

        return is_string($u) && $u !== '' ? $u : null;
    }

    /**
     * @param array<string, mixed> $data
     */
    public static function publish(int $userId, string $event, array $data): void
    {
        $uuid = self::uuidForUserId($userId);
        if ($uuid === null) {
            return;
        }
        try {
            self::createApi()->trigger(self::channelName($uuid), $event, $data);
        } catch (Throwable) {
        }
    }
}