using MES.Service.DB;
using MES.Service.Dto.webApi;
using MES.Service.Modes;
using AngleSharp.Dom;
using SqlSugar;
using Masuit.Tools;
namespace MES.Service.service.BasicData;

/// <summary>
/// 物料类型信息
/// </summary>
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 customer)
    {
        var entity = GetMesItemType(customer);

        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);
        }
    }

    /// <summary>
    /// 添加物料类型信息new_0
    /// </summary>
    /// <param name="entity"></param>
    /// <returns></returns>
    /// <exception cref="NotImplementedException"></exception>
    private bool InsertItemType(MesItemType entity)
    {
        if (entity.Id == 0)
        {
            // 新增情况：生成新ID并插入
            var newId = GenerateNewId();
            entity.Id = newId;
            var insert = base.Insert(entity);
            if (insert)
                return true;
        }
        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<MesItemType>().Where(s => s.Id == originalId).ExecuteCommand();

            // 重新插入，保持原有ID
            entity.Id = originalId;
            var insert = base.Insert(entity);
            if (insert)
                return true;
        }

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

    /// <summary>
    /// 添加物料类型信息old_0
    /// </summary>
    /// <param name="entity"></param>
    /// <returns></returns>
    /// <exception cref="NotImplementedException"></exception>
    //private bool InsertItemType(MesItemType entity)
    //{
    //    var insert = base.Insert(entity);
    //    if (insert)
    //        return true;

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

    private bool DeleteItemType(decimal id)
    {
        var deleteById = Db.Deleteable<MesItemType>()
            .Where(it => it.Id == id).ExecuteCommand();
        if (deleteById > 0)
            return true;

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

    /// <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<MesItemType>().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<MesItemType>().Where(x => x.Id == newId).Any())
        {
            newId++;
        }

        return newId;
    }

    private MesItemType GetMesItemType(ErpItemType department)
    {
        // 查找是否已存在相同客户编码的记录。ID、create_date
        var existingCustomer = Db.Queryable<MesItemType>()
            .Where(s => s.Tcode == department.FNumber)
            .First();

        return new MesItemType
        {
            // 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,
            Pgroup = department.fParentGroup,
            Tcode = department.FNumber,
            Tname = department.FName,
            Description = department.FDescription,
            MA011= department.MA011,
            //FSubsidiary = department.FSubsidiary,
            //Fumbrella = department.Fumbrella,

            // 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,
            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");
    }

    /// <summary>
    /// 批量添加物料类型信息new_0
    /// </summary>
    /// <param name="db"></param>
    /// <param name="itemTypeList"></param>
    /// <returns></returns>
    private bool InsertItemTypeBatch(List<MesItemType> itemTypeList)
    {
        return itemTypeList.All(entity => InsertItemType(entity));
    }

    /// <summary>
    /// 批量添加物料类型信息old_0
    /// </summary>
    /// <param name="itemTypeList"></param>
    /// <returns></returns>
    /// <exception cref="NotImplementedException"></exception>
    //private bool InsertItemTypeBatch(List<MesItemType> itemTypeList)
    //{
    //    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 = Db.Deleteable<MesItemType>()
            .Where(s => ids.Contains(s.Id)).ExecuteCommand();

        if (deleteByIds > 0)
            return true;

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