using MassTransit;
using MassTransitDemo.Contracts;

namespace MassTransitDemo.Consumer.Consumers;

/// <summary>
/// 发布/订阅模式的消费者2
/// 用于演示多个消费者接收同一条广播消息
/// </summary>
public class PublishSubscribeConsumer2 : IConsumer<PublishSubscribeMessage>
{
    private readonly ILogger<PublishSubscribeConsumer2> _logger;

    /// <summary>
    /// 构造函数
    /// </summary>
    /// <param name="logger">日志记录器</param>
    public PublishSubscribeConsumer2(ILogger<PublishSubscribeConsumer2> logger)
    {
        _logger = logger;
    }

    /// <summary>
    /// 消费消息的方法
    /// </summary>
    /// <param name="context">消息上下文</param>
    public Task Consume(ConsumeContext<PublishSubscribeMessage> context)
    {
        try
        {
            _logger.LogInformation("【消费者2】收到发布/订阅消息");
            _logger.LogInformation("  MessageId: {MessageId}", context.Message.MessageId);
            _logger.LogInformation("  CreatedAt: {CreatedAt}", context.Message.CreatedAt);
            _logger.LogInformation("  Title: {Title}", context.Message.Title);
            _logger.LogInformation("  Content: {Content}", context.Message.Content);
            _logger.LogInformation("  Priority: {Priority}", context.Message.Priority);

            // 模拟不同的处理逻辑（与消费者1不同的处理方式）
            var processedContent = $"[消费者2处理] {context.Message.Content.ToUpper()}";
            _logger.LogInformation("  处理结果: {ProcessedContent}", processedContent);
            _logger.LogInformation("【消费者2】消息处理完成");

            return Task.CompletedTask;
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "【消费者2】消息处理失败");
            throw;
        }
    }
}