using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using WIDESEA_Core.Enums;
using WIDESEA_Core;
using WIDESEA_Model.Models;
using WIDESEA_Core.Helper;
using Microsoft.Extensions.Logging;

namespace WIDESEA_TaskInfoService
{
    public partial class TaskService
    {
        /// <summary>
        /// PDA申请入库--堆垛机立库入库
        /// </summary>
        /// <param name="stationCode">起始地址</param>
        /// <param name="taskType">任务类型--入空，入料</param>
        /// <param name="palletCode">托盘编号</param>
        /// <returns>返回处理结果</returns>
        public WebResponseContent GenerateInboundTask(string stationCode, int taskType, string palletCode)
        {
            string? name = Enum.GetName(typeof(TaskTypeEnum), taskType);
            MethodInfo? methodInfo = GetType().GetMethod(name + "Request");
            if (methodInfo != null)
            {
                WebResponseContent? responseContent = (WebResponseContent?)methodInfo.Invoke(this, new object[] { stationCode, palletCode });
                if (responseContent != null)
                {
                    return responseContent;
                }
            }
            else
            {
                return WebResponseContent.Instance.Error("未找到该任务类型业务");
            }
            return WebResponseContent.Instance.Error("错误");
        }

        /// <summary>
        /// 空托盘入库
        /// </summary>
        /// <param name="stationCode">起始地址</param>
        /// <param name="palletCode">托盘编号</param>
        /// <returns>返回处理结果</returns>
        public WebResponseContent PalletInboundRequest(string stationCode, string palletCode)
        {
            WebResponseContent content = new WebResponseContent();
            try
            {
                (bool, string) result = CheckRequestInbound(stationCode, palletCode, false);
                if (!result.Item1) return content = WebResponseContent.Instance.Error(result.Item2);
                content = AssignLocUpdateData(stationCode, TaskTypeEnum.PalletInbound.ObjToInt(), palletCode, false);
            }
            catch (Exception ex)
            {
                content = WebResponseContent.Instance.Error(ex.Message);
            }
            return content;
        }

        /// <summary>
        /// 物料入库
        /// </summary>
        /// <param name="stationCode">起始地址</param>
        /// <param name="palletCode">托盘编号</param>
        /// <returns>返回处理结果</returns>
        public WebResponseContent InboundRequest(string stationCode, string palletCode)
        {
            WebResponseContent content = new WebResponseContent();
            try
            {
                Dt_StockInfo stockInfo = _stockService.StockInfoService.Repository.GetStockInfo(palletCode);
                (bool, string) result = CheckRequestInbound(stationCode, palletCode, true, stockInfo);
                if (!result.Item1) return content = WebResponseContent.Instance.Error(result.Item2);
                content = AssignLocUpdateData(stationCode, TaskTypeEnum.Inbound.ObjToInt(), palletCode, true, stockInfo);
            }
            catch (Exception ex)
            {
                content = WebResponseContent.Instance.Error(ex.Message);
            }
            return content;
        }

        /// <summary>
        /// 入库分配货位及处理数据
        /// </summary>
        /// <param name="stationCode">起始地址</param>
        /// <param name="taskType">任务类型</param>
        /// <param name="palletCode">托盘编号</param>
        /// <param name="isUpdateStock">是否更新组盘信息--区分物料入库和空托入库</param>
        /// <param name="stockInfo">组盘信息--可空</param>
        /// <param name="orderNo">订单号--可空</param>
        /// <returns>返回处理结果</returns>
        private WebResponseContent AssignLocUpdateData(string stationCode, int taskType, string palletCode, bool isUpdateStock = true, Dt_StockInfo? stockInfo = null, string orderNo = "")
        {
            WebResponseContent content = new WebResponseContent();
            try
            {
                Dt_LocationInfo? locationInfo = _basicService.LocationInfoService.AssignLocation(stationCode, taskType);
                //Dt_LocationInfo dt_LocationInfo = null;
                if (locationInfo != null)
                {
                    Dt_Task task = new()
                    {
                        CurrentAddress = stationCode,
                        Grade = 0,
                        PalletCode = palletCode,
                        NextAddress = locationInfo.LocationCode,
                        Roadway = locationInfo.RoadwayNo,
                        SourceAddress = stationCode,
                        TargetAddress = locationInfo.LocationCode,
                        TaskStatus = InTaskStatusEnum.InNew.ObjToInt(),
                        TaskType = taskType,
                    };
                    BaseDal.AddData(task);
                    int beforeStatus = locationInfo.LocationStatus;


                    
                    if (isUpdateStock)
                    {
                        locationInfo.LocationStatus = LocationStatusEnum.Lock.ObjToInt();
                        _basicService.LocationInfoService.UpdateLocationLock(locationInfo, task.TaskNum, StockChangeType.Inbound.ObjToInt(), false);

                        if (stockInfo != null && stockInfo.Details != null && stockInfo.Details.Count > 0)
                        {
                            orderNo = stockInfo.Details.FirstOrDefault()?.OrderNo ?? "";

                            stockInfo.StockStatus = StockStatusEmun.入库确认.ObjToInt();
                            _stockService.StockInfoService.Repository.UpdateData(stockInfo);
                        }
                        else
                        {
                            return content = WebResponseContent.Instance.Error("未找到库存信息");
                        }
                    }
                    else
                    {
                        locationInfo.LocationStatus = LocationStatusEnum.PalletLock.ObjToInt();
                        _basicService.LocationInfoService.UpdateLocationLock(locationInfo, task.TaskNum, StockChangeType.Inbound.ObjToInt(), false);
                    }
                    _basicService.LocationInfoService.Repository.UpdateData(locationInfo);
                    _recordService.LocationStatusChangeRecordSetvice.AddLocationStatusChangeRecord(locationInfo, beforeStatus, StockChangeType.Inbound.ObjToInt(), orderNo, task.TaskNum);

                    return content = WebResponseContent.Instance.OK();
                }
                return content = WebResponseContent.Instance.Error("未找到可分配货位");
            }
            catch (Exception ex)
            {
                content = WebResponseContent.Instance.Error(ex.Message);
            }
            return content;
        }

        /// <summary>
        /// 验证数据
        /// </summary>
        /// <param name="stationCode">起始地址</param>
        /// <param name="palletCode">托盘编号</param>
        /// <param name="isCheckStock">是否检查组盘信息--区分物料入库和空托入库</param>
        /// <param name="stockInfo">组盘信息--可空</param>
        /// <returns>返回处理结果</returns>
        private (bool, string) CheckRequestInbound(string stationCode, string palletCode, bool isCheckStock = true, Dt_StockInfo? stockInfo = null)
        {
            if (BaseDal.QueryFirst(x => x.PalletCode == palletCode) != null)
            {
                return (false, "该托盘号已有任务");
            }
            if (BaseDal.QueryFirst(x => (x.SourceAddress == stationCode || x.CurrentAddress == stationCode) && x.TaskStatus == InTaskStatusEnum.InNew.ObjToInt()) != null)
            {
                return (false, "当前入库站台已有一条新建任务");
            }
            if (isCheckStock)
            {
                if (stockInfo == null)
                {
                    return (false, "未找到组盘信息");
                }
                if (stockInfo.StockStatus != StockStatusEmun.组盘暂存.ObjToInt())
                {
                    return (false, "该组盘状态不可入库");
                }
                if (!string.IsNullOrEmpty(stockInfo.LocationCode))
                {
                    return (false, "该托盘已绑定货位");
                }
                if (stockInfo.Details == null || stockInfo.Details.Count == 0)
                {
                    return (false, "没有库存明细信息");
                }
            }
            else
            {
                if (_stockService.StockInfoService.Repository.QueryFirst(x => x.PalletCode == palletCode) != null)
                {
                    return (false, "该托盘已存在库内");
                }
            }

            return (true, "成功");
        }


    }
}