using MES.Service.DB;
using MES.Service.Dto.webApi;
using MES.Service.Modes;
using SqlSugar;

namespace MES.Service.service.BasicData;

public class MesDepotsManager : Repository<MesDepots>
{
    // Save 方法用于保存单个仓库记录，根据类型执行不同的操作
    public bool Save(ErpDepots depots)
    {
        var entity = GetMesDepots(depots); // 将 ErpDepots 转换为 MesDepots
        return UseTransaction(db =>
        {
            switch (depots.Type)
            {
                case "0":
                    if (UpdateDepotStatus(db, entity.DepotId, "A")) return 1;

                    break;
                case "1":
                    if (UpdateDepotStatus(db, entity.DepotId, "B")) return 1;

                    break;
                case "3":
                    if (DeleteDepot(db, entity.DepotId)) return 1;

                    break;
                case "2":
                case "4":
                    if (InsertOrUpdate(db, entity)) return 1;

                    break;
                default:
                    throw new ArgumentNullException(
                        $"type没有{depots.Type}这个类型的参数");
            }

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

    // 更新仓库状态的方法
    private bool UpdateDepotStatus(SqlSugarScope db, decimal depotId,
        string status)
    {
        var result = db.Updateable<MesDepots>()
            .SetColumns(s => s.IsNg == status)
            .Where(s => s.DepotId == depotId).ExecuteCommand();

        if (result > 0)
            return true;

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

    // 插入新仓库的方法
    private bool InsertDepot(SqlSugarScope db, MesDepots entity)
    {
        var insert = db.Insertable(entity).ExecuteCommand();
        if (insert > 0)
            return true;

        throw new NotImplementedException("审核失败");
    }

    // 删除仓库的方法
    private bool DeleteDepot(SqlSugarScope db, decimal depotId)
    {
        var deleteById = db.Deleteable<MesDepots>()
            .Where(s => s.DepotId == depotId).ExecuteCommand();
        if (deleteById > 0)
            return true;

        throw new NotImplementedException("反审核失败");
    }

    /// <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, MesDepots entity)
    {
        if (entity.DepotId == 0)
        {
            // 新增情况：生成新ID并插入
            var newId = GenerateNewId();
            entity.DepotId = newId;
            entity.Guid = newId.ToString();
            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.DepotId;

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

            // 重新插入，保持原有ID
            entity.DepotId = originalId;
            entity.Guid = originalId.ToString();
            return db.Insertable(entity).ExecuteCommand() > 0;
        }
    }

    // 插入或更新仓库的方法
    //private bool InsertOrUpdate(SqlSugarScope db, MesDepots entity)
    //{
    //    db.Deleteable<MesDepots>()
    //        .Where(s => s.DepotId == entity.DepotId)
    //        .ExecuteCommand();
    //    var insert = db.Insertable(entity).ExecuteCommand();
    //    return insert > 0;
    //}

    /// <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<MesDepots>().Max(x => (decimal?)x.DepotId) ?? 0;
        var newId = maxId + 1;

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

        return newId;
    }

    // 将 ErpDepots 对象转换为 MesDepots 对象的方法
    private MesDepots GetMesDepots(ErpDepots depots)
    {
        // 查找是否已存在相同编码的记录。
        var existingCustomer = Db.Queryable<MesDepots>()
            .Where(s => s.DepotCode == depots.FNumber)
            .First();

        var entity = new MesDepots
        {
            // 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
            DepotId = existingCustomer?.DepotId ?? 0,
            //DepotId = Convert.ToDecimal(depots.Id),
            Guid = existingCustomer?.Guid ?? string.Empty,
            DepotCode = depots.FNumber,
            DepotName = depots.FName,
            IsFkc = depots.FAllowMinusQty,
            CreateBy = depots.FPrincipal,
            Depottype = depots.FStockProperty,
            IsNg = depots.FForbidStatus,
            Zuid = depots.FGroup,
            FSubsidiary = depots.FUseOrgId,
            Fumbrella = depots.FCreateOrgId,
            // 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,
            LastupdateDate = DateTime.Now,
            SupplierId = depots.FSUPPLIERID,
            ClientId = depots.ClientId,
            Department = depots.Fdeptid,
            Phone = depots.Phone,
            Company = "1000",
            Factory = depots.Factory,
            factory_name = depots.factory_name,
            Remark4 = depots.remark4,
            Remark5 = depots.remark5,
        };
        // ERP: 0=未禁用, 1=禁用
        // MES: A=未禁用, B=禁用
        //传入0、1或者A、B时都会转为A、B，其他情况为A
        if (string.IsNullOrEmpty(depots.FForbidStatus))
        {
            entity.IsNg = "A";
        }
        else
        {
            // 回传B或1时写入B，其它写A
            entity.IsNg = (depots.FForbidStatus == "1" || depots.FForbidStatus == "B")
                ? "B"
                : "A";
        }

        return entity;
    }

    // SaveList 方法用于保存多个仓库记录，根据类型批量执行不同的操作
    public bool SaveList(List<ErpDepots> erpDepots)
    {
        var list = new List<MesDepots>();
        erpDepots.ForEach(s =>
        {
            var entity = GetMesDepots(s); // 将 ErpDepots 转换为 MesDepots
            entity.Type = s.Type;
            list.Add(entity);
        });

        var groupBy = list.GroupBy(s => s.Type)
            .ToDictionary(g => g.Key, g => g.ToList());
        return UseTransaction(db =>
        {
            foreach (var depotsGroup in groupBy)
                switch (depotsGroup.Key)
                {
                    case "0":
                        if (!UpdateDepotStatusBatch(db, depotsGroup.Value,
                                "A")) // 批量启用仓库
                            throw new NotImplementedException("启用失败");
                        break;
                    case "1":
                        if (!UpdateDepotStatusBatch(db, depotsGroup.Value,
                                "B")) // 批量禁用仓库
                            throw new NotImplementedException("禁用失败");
                        break;
                    case "3":
                        if (!DeleteDepotBatch(db,
                                depotsGroup.Value)) // 批量删除仓库
                            throw new NotImplementedException("删除失败");
                        break;
                    case "2":
                    case "4":
                        if (!InsertOrUpdateBatch(db,
                                depotsGroup.Value)) // 批量插入或更新仓库
                            throw new NotImplementedException("同步失败");
                        break;
                    default:
                        throw new ArgumentNullException(
                            $"type没有{depotsGroup.Key}这个类型的参数");
                }

            return 1;
        }) > 0;
    }

    // 批量更新仓库状态的方法
    private bool UpdateDepotStatusBatch(SqlSugarScope db,
        List<MesDepots> depotList, string status)
    {
        var ids = depotList.Select(it => it.DepotId).ToArray();
        var result = db.Updateable<MesDepots>()
            .SetColumns(s => s.IsNg == status)
            .Where(s => ids.Contains(s.DepotId)).ExecuteCommand();

        if (result > 0)
            return true;

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

    // 批量插入仓库的方法
    private bool InsertDepotBatch(SqlSugarScope db,
        List<MesDepots> depotList)
    {
        var insertRange = db.Insertable(depotList).ExecuteCommand();
        if (insertRange > 0)
            return true;

        throw new NotImplementedException("审核失败");
    }

    // 批量删除仓库的方法
    private bool DeleteDepotBatch(SqlSugarScope db,
        List<MesDepots> depotList)
    {
        var ids = depotList.Select(it => it.DepotId).ToArray();
        var deleteByIds =
            db.Deleteable<MesDepots>()
                .Where(s => ids.Contains(s.DepotId)).ExecuteCommand();
        if (deleteByIds > 0)
            return true;

        throw new NotImplementedException("反审核失败");
    }

    // 批量插入或更新仓库的方法
    private bool InsertOrUpdateBatch(SqlSugarScope db,
        List<MesDepots> depotList)
    {
        return depotList.All(entity => InsertOrUpdate(db, entity));
    }
}