<?php
/**
 * 取消限购消费者
 * 处理取消限购操作
 */

namespace common\components\rabbitmq;

use bizGhs\product\classes\ProductClass;
use common\components\noticeUtil;
use mikemadisonweb\rabbitmq\components\ConsumerInterface;
use PhpAmqpLib\Message\AMQPMessage;

class cancelLimitBuyConsumer extends baseConsumer
{
    /**
     * 执行消费者逻辑
     * 
     * @param AMQPMessage $msg 消息对象
     * @return string 消息处理结果
     * 
     * ConsumerInterface::MSG_ACK - 确认消息（标记为已处理）并从队列中删除
     * ConsumerInterface::MSG_REJECT - 拒绝并从队列中删除消息
     * ConsumerInterface::MSG_REQUEUE - 拒绝并重新入队消息
     */
    public function execute(AMQPMessage $msg)
    {
        try {
            $this->ensureDbConnection();
            // 反序列化消息体
            $data = unserialize($msg->body);
            if (!is_array($data)) {
                noticeUtil::push("取消限购的消费者报错：Invalid notify message format: {$msg->body}", '15280215347');
                return ConsumerInterface::MSG_REJECT;
            }
            print_r($data);
            // 根据操作类型分发处理
            $type = $data['type'] ?? null;
            $result = $this->runWithDbReconnect(function () use ($type, $data) {
                switch ($type) {
                    case 'limit_buy_clear':
                        return $this->clearOrderItemLimitBuy($data);
                    default:
                        noticeUtil::push("取消限购的消费者报错，未知 type: {$type}");
                        return false;
                }
            });
            if ($result) {
                return ConsumerInterface::MSG_ACK;
            } else {
                noticeUtil::push("取消限购的消费者报错：Stock message processing failed");
                return ConsumerInterface::MSG_REQUEUE;
            }
        } catch (\Exception $e) {
            noticeUtil::push("取消限购的消费者报错：" . $e->getMessage());
            //return ConsumerInterface::MSG_REQUEUE;
            return ConsumerInterface::MSG_ACK;
        }
    }

    /**
     * 清空订单项限购值
     *
     * @param array $data
     * @return bool
     */
    private function clearOrderItemLimitBuy($data)
    {
        $productId = intval($data['productId'] ?? 0);
        if ($productId <= 0) {
            noticeUtil::push('取消限购的消费者报错：limit_buy_clear 缺少 productId', '15280215347');
            return true;
        }

        $clearAt = intval($data['clearAt'] ?? 0);
        if ($clearAt <= 0) {
            noticeUtil::push('取消限购的消费者报错：limit_buy_clear 缺少 clearAt', '15280215347');
            return true;
        }

        // 旧消息直接忽略，避免“先到期的旧消息”提前清空
        if (!ProductClass::checkLimitBuyClearMessage($productId, $clearAt)) {
            return true;
        }

        $result = ProductClass::clearLimitBuyByProductId($productId);
        if ($result) {
            ProductClass::clearLimitBuyClearMark($productId);
        }
        return $result;
    }

}