<?php

declare(strict_types=1);

namespace App\Platform;

use Exception;
use Hyperf\Amqp\Annotation\Producer;
use Hyperf\Amqp\Message\ProducerMessage;

// exchange 示例值 'tmall.exchange', routeKey 示例值 'order.tmall'
#[Producer('', '')]
class OrderProducer extends ProducerMessage
{
    /**
     * 指定使用的连接池名称
     */
    protected string $poolName = 'default_producer';

    /**
     * VHost
     */
    protected string $vhost = 'dataflow';

    /**
     * 消息持久化
     */
    protected array $properties = [
        'delivery_mode' => 2, // 持久化消息
    ];


    protected string $exchange = '';
    protected string $entityType = 'order';
    protected string|array $routingKey = '';


    /**
     * 构造消息
     *
     * @param array $data 订单数据
     * @return string
     */
    public function __construct(array $data = [])
    {
        if(empty($this->exchange)){
            throw new Exception('exchange is not set!');
        }

        if(empty($this->routingKey)){
            throw new Exception('routingKey is not set!');
        }

        if(!empty($this->routingKey)){
            $this->entityType =  \explode( '.', $this->routingKey)[0];
        }

        if (!empty($data)) {
            $this->payload = $this->buildMessage($data);
        }
    }

    /**
     * 构建消息格式
     *
     * @param array $data 原始订单数据
     * @return array
     */
    protected function buildMessage(array $data): array
    {
        // 根据 RabbitMQ.md 中定义的消息格式规范
        return [
            'message_id' => $this->generateMessageId($data),
            'timestamp' => date('c'), // ISO 8601 格式
            'platform' => 'tmall',
            'data_type' => 'order',
            'meta' => [
                'platform_id' => $data['platform_id'] ?? null,
                'company_id' => $data['company_id'] ?? null,
                'store_id' => $data['store_id'] ?? null,
                'unique_id' => $data['unique_id'] ?? null,
                'source_system' => 'tmall-open-api',
                'retry_count' => 0,
                'data_version' => $data['data_version'] ?? time(),
            ],
            'data' => $data['raw_data'],
        ];
    }

    /**
     * 生成消息ID
     *
     * 格式: {prefix}#{app_id}#{company_id}#{platform_id}#{store_id}#{entity_type}#{entity_id}
     *
     * @param array $data
     * @return string
     */
    protected function generateMessageId(array $data): string
    {
        $company_id = $data['company_id'];
        $platform_id = $data['platform_id'];
        $store_id = $data['store_id'];
       
        $unique_id = $data['unique_id'];

        return sprintf(
            '%s#%s#%s#%s#%s',
            $company_id,
            $platform_id,
            $store_id,
            $this->entityType,
            $unique_id
        );
    }
}