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

namespace MES.Service.service.BasicData;

public class MesItemTypeManager : Repository<MesItemType>
{
    //当前类已经继承了 Repository 增、删、查、改的方法
    public bool Save(ErpItemType unit)
    {
        /// <summary>
        /// save方法调整。
        /// </summary>
        /// <remarks>
        /// 修改人：池南骏
        /// 修改日期：2024-12-30
        /// 修改说明：`
        /// </remarks>

        ///原代码
        //try
        //{
        //    switch (customer.Type)
        //    {
        //        case "0":
        //            return InsertItemType(entity);
        //        case "1":
        //            return DeleteItemType(entity.Id);
        //        default:
        //            throw new ArgumentNullException(
        //                $"type没有{customer.Type}这个类型的参数");
        //    }
        //}
        //catch (Exception ex)
        //{
        //    throw new ApplicationException($"操作失败: {ex.Message}", ex);
        //}

        var entity = GetMesItemType(unit);
        return UseTransaction(db =>
        {
            switch (unit.Type)
            {
                case "0":
                    if (InsertItemType(db, entity))
                        return 1;
                    break;
                case "1":
                    if (DeleteItemType(entity.Id))
                        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;
    }

    /// <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 InsertItemType(MesItemType entity)
    //{
    //    var insert = base.Insert(entity);
    //    if (insert)
    //        return true;

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

    //// - 新代码：
    private bool InsertItemType(SqlSugarScope db, MesItemType entity)
    {
        db.Deleteable<MesItemType>()
            .Where(s => s.Id == entity.Id)
            .ExecuteCommand();

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

    private bool DeleteItemType(decimal id)
    {
        var deleteById = base.DeleteById(id);
        if (deleteById)
            return true;

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

    private MesItemType GetMesItemType(ErpItemType department)
    {
        return new MesItemType
        {
            Id = Convert.ToDecimal(department.Id),
            Pgroup = department.FParentId,
            Tcode = department.FNumber,
            Tname = department.FName,
            Description = department.FDescription,
            CreateDate = DateTime.Now,
            Company = "1000",
            Factory = "1000"
        };
    }

    public bool SaveList(List<ErpItemType> departments)
    {
        var list = new List<MesItemType>();
        departments.ForEach(s =>
        {
            var entity = GetMesItemType(s);
            entity.Type = s.Type;
            list.Add(entity);
        });

        var groupBy = list.GroupBy(s => s.Type)
            .ToDictionary(g => g.Key, g => g.ToList());
        var result = new List<bool>();

        foreach (var itemTypeGroup in groupBy)
            try
            {
                switch (itemTypeGroup.Key)
                {
                    case "0":
                        result.Add(InsertItemTypeBatch(itemTypeGroup.Value));
                        break;
                    case "1":
                        result.Add(DeleteItemTypeBatch(itemTypeGroup.Value));
                        break;
                    default:
                        throw new ArgumentNullException(
                            $"type没有{itemTypeGroup.Key}这个类型的参数");
                }
            }
            catch (Exception ex)
            {
                throw new ApplicationException($"批量操作失败: {ex.Message}", ex);
            }

        if (result.All(b => b))
            return true;

        throw new NotImplementedException("接口执行失败");
    }

    private bool InsertItemTypeBatch(List<MesItemType> itemTypeList)
    {
        /// <summary>
        /// InsertItemTypeBatch方法调整，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>
        //新增：先删除，再插入
        var ids = itemTypeList.Select(it => it.Id).ToArray();
        var deleteByIds =
            base.DeleteByIds(ids.Select(d => (dynamic)d).ToArray());

        var insertRange = base.InsertRange(itemTypeList);
        if (insertRange)
            return true;

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

    private bool DeleteItemTypeBatch(List<MesItemType> itemTypeList)
    {
        var ids = itemTypeList.Select(it => it.Id).ToArray();
        var deleteByIds =
            base.DeleteByIds(ids.Select(d => (dynamic)d).ToArray());
        if (deleteByIds)
            return true;

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