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

namespace MES.Service.service.BasicData;

public class MesSupplierManager : Repository<MesSupplier>
{
    public bool Save(ErpSupplier unit)
    {
        var entity = GetMesSupplier(unit);

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

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

    public bool SaveList(List<ErpSupplier> suppliers)
    {
        var result = suppliers.Select(Save).ToList();
        return result.All(b => b);
    }

    private bool UpdateSupplierStatus(SqlSugarScope db,
        List<MesSupplier> supplierId,
        string status)
    {
        var ids = supplierId.Select(it => it.Id).ToArray();

        var result = db.Updateable<MesSupplier>()
            .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 DeleteSupplier(List<MesSupplier> supplierId)
    {
        // 提取所有需要的 MesId 组合 
        var ids = supplierId.Select(customer => customer.Id.ToString())
            .ToList();
        
        // 使用这些 MesId 去查询 MesLinkU9 表，找到对应的 U9Id
        var u9Ids = Db.Queryable<MesLinkU9>()
            .Where(u =>
                ids.Contains(u.MesId) && u.TableType == "MES_SUPPLIER")
            .Select(u => u.U9Id)
            .Distinct() // 应用 Distinct 去重
            .ToList();

        // 根据 U9Id 找到所有对应的 MesId，进行删除
        // 注意：这里假设您确实想要删除这些记录。如果不确定，请先查询以验证结果。
        var idsToDelete = Db.Queryable<MesLinkU9>()
            .Where(u => u9Ids.Contains(u.U9Id) && u.TableType == "MES_SUPPLIER")
            .Select(u => u.MesId)
            .Distinct() // 应用 Distinct 去重
            .ToList();


        //以上方法可以考虑优化，将U9id找个新建字段存在MES_CUSTOMER中，就可以少一步查询了。

        var deleteByIds = Db.Deleteable<MesSupplier>().In(idsToDelete)
            .ExecuteCommand();
        // if (deleteByIds > 0)
        //     return true;
        return true;
        //throw new NotImplementedException("删除失败");
    }

    private List<MesSupplier> GetMesSupplier(ErpSupplier supplier)
    {
        List<MesSupplier> list = new();
        foreach (var se in supplier.FUseOrgId)
        {
            var exists = Db.Queryable<MesLinkU9>().Any(u =>
                u.U9Id == supplier.Id && u.OrgId == se.FUseOrgId &&
                u.TableType == "MES_SUPPLIER");

            decimal mesId = 0;
            if (exists)
            {
                //获取mesid
                mesId = Convert.ToDecimal(Db.Queryable<MesLinkU9>()
                    .Where(u =>
                        u.U9Id == supplier.Id && u.OrgId == se.FUseOrgId &&
                        u.TableType == "MES_SUPPLIER")
                    .Select(u => u.MesId) // 选择 MesId 字段
                    .First());
            }
            else
            {
                mesId = GetSeqUtil.GetSeq("SEQ_BASEINFO_ID");
                var entity = new MesLinkU9
                {
                    CreateDate = DateTime.Now,
                    MesId = mesId.ToString(),
                    U9Id = supplier.Id,
                    OrgId = se.FUseOrgId,
                    TableType = "MES_SUPPLIER"
                };
                Db.Insertable(entity).ExecuteCommand();
            }

            var mesSupplier = new MesSupplier
            {
                Id = mesId,
                SuppNo = supplier.FNumber,
                SuppSname = supplier.FShortName,
                SuppName = supplier.FName,
                Lxr = supplier.FContact,
                Telf1 = supplier.FTel,
                Fstaffid = supplier.FStaffId,
                /// <summary>
                /// 接口字段调整：标准版接口新增 ERP单据状态 字段。
                /// </summary>
                /// <remarks>
                /// 修改人：<池南骏>
                /// 修改日期：<2024-12-28>
                /// 修改说明：
                /// - 原代码：空
                /// - 修改后：    
                ///FDOCUMENTSTATUS = supplier.FDocumentStatus,
                /// </remarks>
                DocumentStatus = supplier.FDocumentStatus,
                Fforbidstatus = supplier.FForbidStatus,
                CreateDate = DateTime.Now,
                //CreateOrg= Convert.ToDecimal(supplier.FCreateOrgId),
                UseOrg = se.FUseOrgId,
                //Remark=supplier.fremarks,
                PrivateDescSeg = supplier.PrivateDescSeg,
                Company = "1000",
                Factory = "1000"
            };

            list.Add(mesSupplier);
        }

        return list;
    }

    /// <summary>
    /// "插入或更新的方法"调整：修改为先删除再插入。
    /// </summary>
    /// <remarks>
    /// 修改人：池南骏
    /// 修改日期：2024-12-30
    /// 修改说明：`
    /// </remarks>

    //// - 原代码：
    //private bool InsertOrUpdate(SqlSugarScope db, MesSupplier entity)
    //{
    //    var exists = db.Queryable<MesSupplier>().Any(e => e.Id == entity.Id);
    //    if (exists)
    //    {
    //        var update = db.Updateable(entity).ExecuteCommand();
    //        if (update > 0)
    //            return true;
    //    }
    //    else
    //    {
    //        var insert = db.Insertable(entity).ExecuteCommand();
    //        if (insert > 0)
    //            return true;
    //    }

    //    return false;
    //}
    ///新代码
    private bool InsertOrUpdate(SqlSugarScope db, List<MesSupplier> entity)
    {
        DeleteSupplier(entity);
         
        var insert = db.Insertable(entity).ExecuteCommand();
        return insert > 0;
    }
}