using AutoMapper;
using Kean.Domain.Stock.Commands;
using Kean.Domain.Stock.Enums;
using Kean.Domain.Stock.Models;
using Kean.Domain.Stock.Repositories;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System.Collections.Generic;
using System.Threading;

namespace Kean.Domain.Stock.CommandHandlers
{
    /// <summary>
    /// 设置库存状态命令处理程序
    /// </summary>
    public sealed class SetQcStatusCommandHandler : CommandHandler<SetQcStatusCommand>
    {
        private readonly ICommandBus _commandBus; // 命令总线
        private readonly IMapper _mapper; // 模型映射
        private readonly IStockRepository _stockRepository; // 存储仓库

        /// <summary>
        /// 依赖注入
        /// </summary>
        public SetQcStatusCommandHandler(
            ICommandBus commandBus,
            IMapper mapper,
            IStockRepository stockRepository)
        {
            _commandBus = commandBus;
            _mapper = mapper;
            _stockRepository = stockRepository;
        }

        /// <summary>
        /// 处理程序
        /// </summary>
        public override async System.Threading.Tasks.Task Handle(SetQcStatusCommand command, CancellationToken cancellationToken)
        {
            if (command.ValidationResult.IsValid)
            {
                Models.Stock stock = null;
                if (!string.IsNullOrEmpty(command.Barcode))
                {
                    stock = await this._stockRepository.GetStock(command.Barcode);
                }
                List<StockLine> updateLines = new List<StockLine>();
                foreach (var r in stock.Lines)
                {
                    r.Enabled = command.Enable;

                    JObject jo = new JObject();
                    jo.Add("property", "Enabled");
                    jo.Add("message", command.Message);

                    r.Remark = jo;

                    updateLines.Add(r);
                }

                var updateCommand = _mapper.Map<UpdateCommand>(stock);
                updateCommand.Transaction = command.Enable ? nameof(StockType.Thaw) : nameof(StockType.Freeze);
                updateCommand.Lines = updateLines;
                updateCommand.Operator = command.Operator;
                updateCommand.Tag = JsonConvert.SerializeObject(new
                {
                    Transaction = "SetQcStatus"
                });
                await _commandBus.Execute(updateCommand, cancellationToken);
            }
            else
            {
                await _commandBus.Notify(command.ValidationResult,
                    cancellationToken: cancellationToken);
            }
        }
    }
}