using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using JiShe.CollectBus.MessageReceiveds;
using JiShe.CollectBus.Protocol.Contracts.Interfaces;
using MassTransit;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Volo.Abp.Domain.Repositories;

namespace JiShe.CollectBus.Consumers
{
    /// <summary>
    /// Batch 一次最多 100 个，最多 10 个并发批次
    /// </summary>
    public class ReceivedConsumer: IConsumer<Batch<MessageReceived>>
    {
        private readonly ILogger<ReceivedConsumer> _logger;
        private readonly IServiceProvider _serviceProvider;
        private readonly IRepository<MessageReceived, Guid> _messageReceivedEventRepository;

        /// <summary>
        /// MessageReceivedConsumer
        /// </summary>
        /// <param name="logger"></param>
        /// <param name="serviceProvider"></param>
        /// <param name="messageReceivedEventRepository"></param>
        public ReceivedConsumer(ILogger<ReceivedConsumer> logger, 
            IServiceProvider serviceProvider, 
            IRepository<MessageReceived, Guid> messageReceivedEventRepository)
        {
            _logger = logger;
            _serviceProvider = serviceProvider;
            _messageReceivedEventRepository = messageReceivedEventRepository;
        }


        public async Task Consume(ConsumeContext<Batch<MessageReceived>> context)
        {
            const string protocolType = "Standard";
            var protocolPlugin = _serviceProvider.GetKeyedService<IProtocolPlugin>(protocolType);
            if (protocolPlugin == null)
            {
                _logger.LogError("协议不存在！");
            }
            else
            {
                var list = new List<MessageReceived>();
                foreach (var contextItem in context.Message)
                {
                    await protocolPlugin.AnalyzeAsync(contextItem.Message);
                    list.Add(contextItem.Message);
                }
                await _messageReceivedEventRepository.InsertManyAsync(list);
            }
        }
    }
}