using Kean.Domain.Task.Commands;
using Kean.Domain.Task.Enums;
using Kean.Domain.Task.Repositories;
using Kean.Domain.Task.SharedServices.Proxies;
using System;
using System.Threading;

namespace Kean.Domain.Task.CommandHandlers
{
    /// <summary>
    /// 任务出库确认失败命令处理程序
    /// </summary>
    public sealed class SetTaskStateCommandHandler : CommandHandler<SetTaskStateCommand>
    {
        private readonly ICommandBus _commandBus; // 命令总线
        private readonly ITaskRepository _taskRepository; // 任务仓库
        private readonly WcsProxy _wcsProxy;
        private readonly StockProxy _stockProxy; // 库房仓库

        /// <summary>
        /// 依赖注入
        /// </summary>
        public SetTaskStateCommandHandler(
            ICommandBus commandBus,
            WcsProxy wcsProxy,
            StockProxy stockProxy,
            ITaskRepository taskRepository)
        {
            _commandBus = commandBus;
            _taskRepository = taskRepository;
            _stockProxy = stockProxy;
            _wcsProxy = wcsProxy;
        }

        /// <summary>
        /// 处理程序
        /// </summary>
        public override async System.Threading.Tasks.Task Handle(SetTaskStateCommand command, CancellationToken cancellationToken)
        {
            if (command.ValidationResult.IsValid)
            {
                TaskState taskState = (TaskState)Enum.Parse(typeof(TaskState), command.State);
                if (command.Type.Contains("Task"))
                {
                    await _taskRepository.UpdateStatus(command.Id, taskState, command.Message);
                }
                if (command.Type.Contains("Wcs"))
                {
                    await _wcsProxy.SetOutputStatus(command.Id, (int)taskState);
                }

                var task = await _taskRepository.GetTask(command.Id);
                if (taskState == TaskState.Wcsgot)
                {
                    await _stockProxy.Reupload(task.Type.ToString(), task.Barcode, task.RequestNo, "1");
                }

            }
            else
            {
                await _commandBus.Notify(command.ValidationResult,
                    cancellationToken: cancellationToken);
            }
        }
    }
}