using AngleSharp.Dom;
using MES.Service.DB;
using MES.Service.Dto.webApi;
using MES.Service.Modes;
using SharpCompress.Common;
using SqlSugar;

namespace MES.Service.service.BasicData;
/// <summary>
/// 物料信息
/// </summary>
public class MesItemsManager : Repository<MesItems>
{
    public bool Save(ErpItems item)
    {
        var entity = GetMesItems(item);

        return UseTransaction(db =>
        {
            switch (item.Type)
            {
                case "0":
                    if (UpdateItemStatus(db, entity.Id, "A"))
                        return 1;
                    break;
                case "1":
                    if (UpdateItemStatus(db, entity.Id, "B"))
                        return 1;
                    break;
                case "3":
                    if (DeleteItem(db, entity.Id))
                        return 1;
                    break;
                case "2":
                case "4":
                case "5":
                    if (InsertOrUpdate(db, entity))
                        return 1;
                    break;
                default:
                    throw new ArgumentNullException(
                        $"type没有{item.Type}这个类型的参数");
            }

            throw new NotImplementedException("操作失败");
        }) > 0;
    }

    public bool SaveList(List<ErpItems> items)
    {
        var list = items.Select(GetMesItems).ToList();
        var groupBy = list.GroupBy(s => s.Type)
            .ToDictionary(g => g.Key, g => g.ToList());

        return UseTransaction(db =>
        {
            foreach (var itemGroup in groupBy)
                switch (itemGroup.Key)
                {
                    case "0":
                        if (!UpdateItemStatusBatch(db, itemGroup.Value, "A"))
                            throw new NotImplementedException("启用失败");
                        break;
                    case "1":
                        if (!UpdateItemStatusBatch(db, itemGroup.Value, "B"))
                            throw new NotImplementedException("禁用失败");
                        break;
                    case "3":
                        if (!DeleteItemBatch(db, itemGroup.Value))
                            throw new NotImplementedException("删除失败");
                        break;
                    case "2":
                    case "4":
                        if (!InsertOrUpdateBatch(db, itemGroup.Value))
                            throw new NotImplementedException("同步失败");
                        break;
                    default:
                        throw new ArgumentNullException(
                            $"type没有{itemGroup.Key}这个类型的参数");
                }

            return 1;
        }) > 0;
    }

    private bool UpdateItemStatus(SqlSugarScope db, decimal itemId,
        string status)
    {
        var result = db.Updateable<MesItems>()
            .SetColumns(s => s.Fforbidstatus == status)
            .Where(s => s.Id == itemId).ExecuteCommand();

        if (result > 0)
            return true;

        throw new NotImplementedException(status == "A" ? "启用失败" : "禁用失败");
    }

    private bool InsertItem(SqlSugarScope db, MesItems entity)
    {
        var insert = db.Insertable(entity).ExecuteCommand();
        if (insert > 0)
            return true;

        throw new NotImplementedException("插入失败");
    }

    private bool DeleteItem(SqlSugarScope db, decimal itemId)
    {
        var deleteById = db.Deleteable<MesItems>()
            .Where(s => s.Id == itemId).ExecuteCommand();
        if (deleteById > 0)
            return true;

        throw new NotImplementedException("删除失败");
    }

    private MesItems GetMesItems(ErpItems item)
    {
        // 查找是否已存在相同客户编码的记录。ID、create_date
        var existingCustomer = Db.Queryable<MesItems>()
            .Where(s => s.ItemNo == item.FNumber)
            .First();

        var entity = new MesItems
        {
            // 如果存在，使用现有的ID，后续将删除后重新插入
            // 如果不存在，设为0，InsertOrUpdate方法将生成新ID
            Id = existingCustomer?.Id ?? 0,
            EItemId = existingCustomer?.Id ?? 0,
            ItemId = existingCustomer?.Id ?? 0,
            Type = item.Type,
            ItemNo = item.FNumber,
            ItemName = item.FName,
            ItemModel = item.FSpecification,
            ItemUnit = item.FBaseUnitId,//物料基本单位编码转ID
            Lowlimit = Convert.ToDouble(item.FSafeStock),
            Highlimit = Convert.ToDouble(item.FMaxStock),
            PrdPack = Convert.ToDouble(item.FMinPackCount),
            DepotCode = item.FStockId,
            Fmaterialgroup = item.FMaterialGroup,
            Remarks = item.FDescription,
            Ffinishreceiptoverrate =
                Convert.ToDecimal(item.FFinishReceiptOverRate),
            //发料方式
            Fissuetype = item.FIssueType switch
            {
                "1" => "逐批领料",
                "2" => "自动扣料",
                _ => item.FIssueType
            },
            //Fissuetype = item.FIssueType,

            //批号管理
            Fisbatchmanage = item.FIsBatchManage switch
            {
                var v when string.Equals(v, "N", StringComparison.OrdinalIgnoreCase) => 0,
                var v when string.Equals(v, "Y", StringComparison.OrdinalIgnoreCase) => 1,
                var v when string.Equals(v, "W", StringComparison.OrdinalIgnoreCase) => 2,
                var v when string.Equals(v, "T", StringComparison.OrdinalIgnoreCase) => 3,
                _ => int.TryParse(item.FIsBatchManage, out var val) ? val : 0
            },
            Fpurchaserid = item.FPurchaserId,
            Fpurchaseunitid = item.FPurchaseUnitId,
            Storeunit = item.FStoreUnitID,
            Saleunit = item.FSaleUnitId,
            //Fforbidstatus = item.FForbidStatus,
            MaterialProperti = item.FErpClsID,
            ProductionWorkshop = item.FWorkShopId,
            ProduceUnit = item.FPRODUCEUNITID,
            SubconUnit = item.FSUBCONUNITID,
            //FSubsidiary = item.FUseOrgId,
            //Fumbrella = item.FCreateOrgId,
            LastupdateDate = DateTime.Now,
            // 如果存在，使用现有的CreateDate，后续将删除后重新插入
            // 如果不存在，设为当前时间
            CreateDate = existingCustomer?.CreateDate ?? DateTime.Now,
            MnemonicCode = item.FMnemonicCode,
            Company = "1000",
            Factory = "1000",

            InspectionMethod= item.Inspectionmethod,
            ExpirationDate= item.Expirationdate,
            ReviewPeriod= item.Reviewperiod,
            LeadDays= item.FLeadDays,
            Remark5 = item.FRemark5,

            FSubsidiary = string.IsNullOrEmpty(item.FUseOrgId) ? "1" : item.FUseOrgId,
            Fumbrella = string.IsNullOrEmpty(item.FCreateOrgId) ? "1" : item.FCreateOrgId,
        };
        //物料基本单位编码转ID,ItemUnit = item.FBaseUnitId
        var entityItemUnit = Db.Queryable<MesUnit>()
        .Where(x => x.Fnumber == item.FBaseUnitId)
        .Select(x => x.Id.ToString())
        .First();
        if (!string.IsNullOrWhiteSpace(entityItemUnit))
        {
            entity.ItemUnit = entityItemUnit;
        }
        else if (!string.IsNullOrWhiteSpace(item.FBaseUnitId))
        {
            entity.ItemUnit = item.FBaseUnitId;
        }
        else
        {
            entity.ItemUnit = "0";
        }

        //物料销售单位编码转ID,Saleunit = item.FSaleUnitId
        var entitySaleunit = Db.Queryable<MesUnit>()
        .Where(x => x.Fnumber == item.FSaleUnitId)
        .Select(x => x.Id.ToString())
        .First();
        if (!string.IsNullOrWhiteSpace(entitySaleunit))
        {
            entity.Saleunit = entitySaleunit;
        }
        else if (!string.IsNullOrWhiteSpace(item.FSaleUnitId))
        {
            entity.Saleunit = item.FSaleUnitId;
        }
        else
        {
            entity.Saleunit = "0";
        }

        //物料库房单位编码转ID,Storeunit = item.FStoreUnitID
        var entityStoreunit = Db.Queryable<MesUnit>()
        .Where(x => x.Fnumber == item.FStoreUnitID)
        .Select(x => x.Id.ToString())
        .First();
        if (!string.IsNullOrWhiteSpace(entityStoreunit))
        {
            entity.Storeunit = entityStoreunit;
        }
        else if (!string.IsNullOrWhiteSpace(item.FStoreUnitID))
        {
            entity.Storeunit = item.FStoreUnitID;
        }
        else
        {
            entity.Storeunit = "0";
        }

        //物料采购单位编码转ID,Fpurchaseunitid = item.FPurchaseUnitId
        var entityFpurchaseunitid = Db.Queryable<MesUnit>()
        .Where(x => x.Fnumber == item.FPurchaseUnitId)
        .Select(x => x.Id.ToString())
        .First();
        if (!string.IsNullOrWhiteSpace(entityFpurchaseunitid))
        {
            entity.Fpurchaseunitid = entityFpurchaseunitid;
        }
        else if (!string.IsNullOrWhiteSpace(item.FPurchaseUnitId))
        {
            entity.Fpurchaseunitid = item.FPurchaseUnitId;
        }
        else
        {
            entity.Fpurchaseunitid = "0";
        }

        //物料生产单位编码转ID,ProduceUnit = item.FPRODUCEUNITID
        var entityProduceUnit = Db.Queryable<MesUnit>()
        .Where(x => x.Fnumber == item.FPRODUCEUNITID)
        .Select(x => x.Id.ToString())
        .First();
        if (!string.IsNullOrWhiteSpace(entityProduceUnit))
        {
            entity.ProduceUnit = entityProduceUnit;
        }
        else if (!string.IsNullOrWhiteSpace(item.FPRODUCEUNITID))
        {
            entity.ProduceUnit = item.FPRODUCEUNITID;
        }
        else
        {
            entity.ProduceUnit = "0";
        }

        //物料委外单位编码转ID,SubconUnit = item.FSUBCONUNITID
        var entitySubconUnit = Db.Queryable<MesUnit>()
        .Where(x => x.Fnumber == item.FSUBCONUNITID)
        .Select(x => x.Id.ToString())
        .First();
        if (!string.IsNullOrWhiteSpace(entitySubconUnit))
        {
            entity.SubconUnit = entitySubconUnit;
        }
        else if (!string.IsNullOrWhiteSpace(item.FSUBCONUNITID))
        {
            entity.SubconUnit = item.FSUBCONUNITID;
        }
        else
        {
            entity.SubconUnit = "0";
        }

        //默认仓库编码转ID,DepotCode = item.FStockId,
        var entityDepotCode = Db.Queryable<MesDepots>()
        .Where(x => x.DepotCode == item.FStockId)
        .Select(x => x.DepotId.ToString())
        .First();
        if (!string.IsNullOrWhiteSpace(entityDepotCode))
        {
            entity.DepotCode = entityDepotCode;
        }
        else if (!string.IsNullOrWhiteSpace(item.FStockId))
        {
            entity.DepotCode = item.FStockId;
        }
        else
        {
            entity.SubconUnit = "0";
        }

        // ERP: Y=未禁用, N=禁用
        // MES: A=未禁用, B=禁用
        if (string.IsNullOrEmpty(item.FForbidStatus))
        {
            entity.Fforbidstatus = "A";
        }
        else
        {
            //我期望的值是A=启用,B=禁用
            //实际给我的值是Y或N，我希望为我转换从A和B的方式
            entity.Fforbidstatus = item.FForbidStatus == "N" ? "B" : "A";
        }

        return entity;
    }

    /// <summary>
    /// 生成新的ID，确保不重复
    /// </summary>
    private decimal GenerateNewId()
    {
        // 处理空表的情况，从1开始
        var maxId = Db.Queryable<MesItems>().Max(x => (decimal?)x.Id) ?? 0;
        var newId = maxId + 1;

        // 双重检查，确保生成的ID不存在
        while (Db.Queryable<MesItems>().Where(x => x.Id == newId).Any())
        {
            newId++;
        }

        return newId;
    }

    /// <summary>
    /// 启用与禁用"Y"、"N" 转换为 "A"、"B"
    /// </summary>
    /// <param name="db"></param>
    /// <param name="itemList"></param>
    /// <param name="inputStatus"></param>
    /// <returns></returns>
    /// <exception cref="NotImplementedException"></exception>
    private bool UpdateItemStatusBatch(SqlSugarScope db,List<MesItems> itemList, string inputStatus)
    {
        var status = (inputStatus == "Y") ? "A" : (inputStatus == "N") ? "B" : inputStatus;
        var ids = itemList.Select(it => it.Id).ToArray();
        var result = db.Updateable<MesItems>()
            .SetColumns(s => s.Fforbidstatus == status)
            .Where(s => ids.Contains(s.Id)).ExecuteCommand();

        if (result > 0)
            return true;

        throw new NotImplementedException(status == "A" ? "启用失败" : "禁用失败");
    }

    private bool InsertItemBatch(SqlSugarScope db, List<MesItems> itemList)
    {
        var insertRange = db.Insertable(itemList).ExecuteCommand();
        if (insertRange > 0)
            return true;

        throw new NotImplementedException("插入失败");
    }

    private bool DeleteItemBatch(SqlSugarScope db, List<MesItems> itemList)
    {
        var ids = itemList.Select(it => it.Id).ToArray();
        var deleteByIds = db.Deleteable<MesItems>()
            .Where(s => ids.Contains(s.Id)).ExecuteCommand();
        if (deleteByIds > 0)
            return true;

        throw new NotImplementedException("删除失败");
    }

    /// <summary>
    /// 同步物料信息new_0/4
    /// </summary>
    /// <param name="db"></param>
    /// <param name="entity"></param>
    /// <returns></returns>
    private bool InsertOrUpdate(SqlSugarScope db, MesItems entity)
    {
        if (entity.Id == 0)
        {
            // 新增情况：生成新ID并插入
            var newId = GenerateNewId();
            entity.Id = newId;
            entity.EItemId = newId;
            entity.ItemId = newId;
            return db.Insertable(entity).ExecuteCommand() > 0;
        }
        else
        {
            // 更新情况：删除后重新插入，保持原有ID
            var originalId = entity.Id;

            // 先删除原记录（如果存在）
            db.Deleteable<MesItems>().Where(s => s.Id == originalId).ExecuteCommand();

            // 重新插入，保持原有ID
            entity.Id = originalId;
            entity.EItemId = originalId;
            entity.ItemId = originalId;
            return db.Insertable(entity).ExecuteCommand() > 0;
        }
    }

    /// <summary>
    /// 同步物料信息old_0/4
    /// </summary>
    /// <param name="db"></param>
    /// <param name="entity"></param>
    /// <returns></returns>
    //private bool InsertOrUpdate(SqlSugarScope db, MesItems entity)
    //{
    //    db.Deleteable<MesItems>().Where(s => s.Id == entity.Id)
    //        .ExecuteCommand();

    //    var insert = db.Insertable(entity).ExecuteCommand();
    //    return insert > 0;
    //}

    private bool InsertOrUpdateBatch(SqlSugarScope db, List<MesItems> itemList)
    {
        return itemList.All(entity => InsertOrUpdate(db, entity));
    }
}