using AutoMapper;
using Kean.Domain.Basic.Commands;
using Kean.Domain.Basic.Events;
using Kean.Domain.Basic.Models;
using Kean.Domain.Basic.Repositories;
using System.Threading;
using System.Threading.Tasks;

namespace Kean.Domain.Basic.CommandHandlers
{
    /// <summary>
    /// 自动清除记录命令处理程序
    /// </summary>
    public sealed class ClearRecordCommandHandler : CommandHandler<ClearRecordCommand>
    {
        private readonly ICommandBus _commandBus; // 命令总线
        private readonly IInterfaceRecordRepository _interfaceRecordRepository;

        /// <summary>
        /// 依赖注入
        /// </summary>
        public ClearRecordCommandHandler(
            ICommandBus commandBus,
            IInterfaceRecordRepository interfaceRecordRepository)
        {
            _commandBus = commandBus;
            _interfaceRecordRepository = interfaceRecordRepository;
        }

        /// <summary>
        /// 处理程序
        /// </summary>
        public override async Task Handle(ClearRecordCommand command, CancellationToken cancellationToken)
        {
            if (command.ValidationResult.IsValid)
            {
                await _interfaceRecordRepository.Clear(command.AddMonth);
            }
            else
            {
                await _commandBus.Notify(command.ValidationResult,
                    cancellationToken: cancellationToken);
            }
        }
    }
}