<?php

namespace App\Services\AdminRealtime;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;

/**
 * 后台实时推送事件登记。
 *
 * 只登记「哪张表的哪条记录发生了什么」，事务提交后写入 admin_realtime_events；
 * 列表行由推送网关拉取时按对应列表接口的口径解析（见 AdminRealtimeRows）。
 * 登记失败只记 realtime 日志，绝不抛出，不影响下单、充值等主业务。
 */
final class AdminRealtime
{
    /** 监听的表 => 仅这些列变化时不推送（例如通知标记、更新时间） */
    public const RESOURCES = [
        'sport_order' => ['update_time'],
        'lhc_order' => ['updated_at'],
        'sport_game_order' => ['updated_at'],
        'jisu_game_order' => ['updated_at'],
        'third_game_orders' => ['updated_at'],
        'bets' => ['updated_at'],
        'recharges' => ['updated_at', 'is_send'],
        'payment_orders' => ['updated_at', 'is_send'],
        'withdraws' => ['updated_at', 'is_send'],
        'manual_audits' => ['updated_at'],
        'users' => [],
    ];

    /** 用户列表只推新增；在线状态由 OnlineStatusScanner 产生 */
    public const USER_ONLINE = 'user_online';

    public static function captureModel(Model $model, string $action): void
    {
        $table = $model->getTable();
        if (!array_key_exists($table, self::RESOURCES)) return;
        if ($table === 'users' && $action !== 'created') return;
        if ($action === 'updated' && !array_diff(array_keys($model->getChanges()), self::RESOURCES[$table])) return;
        self::record($table, $model->getKey(), $action);
    }

    /**
     * @param string $resource 表名（不含前缀）或 user_online
     * @param int|string|array $ids 记录主键
     * @param string $action created / updated / deleted / online / offline
     */
    public static function record(string $resource, $ids, string $action = 'updated'): void
    {
        if (!config('admin_realtime.enabled')) return;
        $ids = array_values(array_unique(array_filter(array_map('strval', (array) $ids), static fn(string $id): bool => $id !== '')));
        if (!$ids) return;

        $write = static function () use ($resource, $ids, $action): void {
            try {
                $now = now('Asia/Shanghai')->format('Y-m-d H:i:s');
                foreach (array_chunk($ids, 500) as $chunk) {
                    DB::table('admin_realtime_events')->insert(array_map(static fn(string $id): array => [
                        'resource' => $resource, 'resource_id' => $id, 'action' => $action, 'source' => 'bot-28', 'created_at' => $now,
                    ], $chunk));
                }
            } catch (\Throwable $e) {
                Log::channel('realtime')->error('admin_realtime_record_failed', [
                    'resource' => $resource, 'action' => $action, 'count' => count($ids), 'error' => $e->getMessage(),
                ]);
            }
        };

        // 事务内调用时等提交后再写，回滚则丢弃；不在事务内立即写
        try {
            DB::afterCommit($write);
        } catch (\Throwable $e) {
            $write();
        }
    }
}