using Kean.Domain.Task.Commands;
using Kean.Domain.Task.Enums;
using Kean.Domain.Task.Repositories;
using System.Collections.Generic;
using System.Threading;

namespace Kean.Domain.Task.CommandHandlers
{
    /// <summary>
    /// 设置应急模式
    /// </summary>
    public sealed class EmergencyCommandHandler : CommandHandler<EmergencyCommand>
    {
        private readonly ICommandBus _commandBus; // 命令总线
        private readonly IWarehouseRepository _warehouseRepository; // 库房仓库

        /// <summary>
        /// 依赖注入
        /// </summary>
        public EmergencyCommandHandler(
            ICommandBus commandBus,
            IWarehouseRepository warehouseRepository)
        {
            _commandBus = commandBus;
            _warehouseRepository = warehouseRepository;
        }

        /// <summary>
        /// 处理程序
        /// </summary>
        public override async System.Threading.Tasks.Task Handle(EmergencyCommand command, CancellationToken cancellationToken)
        {
            if (command.ValidationResult.IsValid)
            {
                await _warehouseRepository.SetEmergency(command.StationCode, command.StationModel, command.stationStatus);
                Output(nameof(command.StationCode), command.StationCode);
            }
            else
            {
                await _commandBus.Notify(command.ValidationResult,
                    cancellationToken: cancellationToken);
            }
        }
    }
}