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

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 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);
        }
    }

    private bool InsertItemType(MesItemType entity)
    {
        // 先根据ID删除现有记录
        try
        {
            Db.Deleteable<MesItemType>()
                .Where(it => it.Id == entity.Id).ExecuteCommand();
        }
        catch (Exception)
        {
            // 删除失败可能是因为记录不存在，继续执行插入操作
        }

        var insert = base.Insert(entity);
        if (insert)
            return true;

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

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

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

    private MesItemType GetMesItemType(ErpItemType department)
    {
        var entity = new MesItemType
        {
            Id = string.IsNullOrEmpty(department.Id)
                ? DateTimeOffset.UtcNow.ToUnixTimeSeconds()
                : long.Parse(department.Id),
            Pgroup = department.FParentId,
            Tcode = department.FNumber,
            Tname = department.FName,
            Description = department.FDescription,
            CreateDate = DateTime.Now,
            LastupdateDate = DateTime.Now,
            Company = "1000",
            Factory = "1000"
        };

        var mesItemType = Db.Queryable<MesItemType>()
            .Where(it => it.Tcode == entity.Tcode)
            .First();

        if (mesItemType != null)
        {
            entity.Id = mesItemType.Id;
        }

        return entity;
    }

    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)
    {
        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");
    }
}