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>
    /// 生成新的DepotId，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DepotId不存在
        while (Db.Queryable<MesDepots>().Where(x => x.DepotId == newId).Any())
        {
            newId++;
        }
        
        return newId;
    }

    // 插入或更新仓库的方法
    private bool InsertOrUpdate(SqlSugarScope db, MesDepots entity)
    {
        if (entity.DepotId == 0)
        {
            // 新增情况：生成新DepotId并插入
            var newId = GenerateNewId();
            entity.DepotId = newId;
            return db.Insertable(entity).IgnoreColumns(ignoreNullColumn:true).ExecuteCommand() > 0;
        }
        else
        {
            // 更新情况：删除后重新插入，保持原有DepotId
            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DepotId
            entity.DepotId = originalId;
            return db.Insertable(entity).IgnoreColumns(ignoreNullColumn:true).ExecuteCommand() > 0;
        }
    }

    // 将 ErpDepots 对象转换为 MesDepots 对象的方法
    private MesDepots GetMesDepots(ErpDepots depots)
    {
        var entity = new MesDepots
        {
            DepotCode = depots.FNumber,
            DepotName = depots.FName,
            IsFkc = depots.FAllowMinusQty,
            CreateBy = depots.FPrincipal,
            Depottype = depots.FStockProperty,
            IsNg = depots.FForbidStatus,
            Zuid = depots.FGroup,
            DocumentStatus = depots.FDocumentStatus,
            
            FSubsidiary = string.IsNullOrEmpty(depots.FUseOrgId)
                ? "1"
                :  depots.FUseOrgId,
            Fumbrella = string.IsNullOrEmpty(depots.FCreateOrgId)
                ? "1"
                : depots.FCreateOrgId,
            CreateDate = DateTime.Now,
            LastupdateDate = DateTime.Now,
            Company = "1000",
            Factory = "1000"
        };

        // 查找是否已存在相同仓库编码的记录
        var existingDepot = Db.Queryable<MesDepots>()
            .Where(s => s.DepotCode == entity.DepotCode)
            .First();

        if (existingDepot != null)
        {
            // 如果存在，使用现有的DepotId，后续将删除后重新插入
            entity.DepotId = existingDepot.DepotId;
        }
        else
        {
            // 如果不存在，设为0，InsertOrUpdate方法将生成新DepotId
            entity.DepotId = 0;
        }

        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)
    {
        if (erpDepots == null || !erpDepots.Any())
        {
            Console.WriteLine("警告: 传入的列表为空");
            return false;
        }

        // 逐条处理，全部成功才返回true（事务内批量处理更优，此处保持原有逻辑）
        var result = erpDepots.Select(Save).ToList();
        return result.All(b => b);
    }

    // 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));
    }
}