using CZFW.Framework.Model;
using CZFW.Framework.Model.Entity;
using CZFW.Framework.Model.ViewModel;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Linq.Expressions;
using System.Text;

namespace CZFW.Framework.Interface
{
    public interface ISlimLogicBase<TSlimEntity> : Model.Entity.IDependency
        where TSlimEntity : SlimEntityBase, new()
    {
        CZDbContext DbContext { get; }
        IQueryable<TSlimEntity> Queryable { get; }
        IQueryable<TSlimEntity> GetQueryable();
        ResultModel Commit();
        ResultModel AddEntity(TSlimEntity entity, bool save = true);
        ResultModel AddEntities(IList<TSlimEntity> entities, bool save = true, bool skipInvalid = true);
        ResultModel RemoveEntity(int id, bool save = true);
        ResultModel RemoveEntities(Expression<Func<TSlimEntity, bool>> condition, bool save = true);
        ResultModel EditEntity(TSlimEntity entity, bool save = true);
        ResultModel AddOrEditEntity(TSlimEntity entity, bool save = true);
        ResultModel ExcuteSql(string sql);
        TSlimEntity GetEntity(int id);
        TSlimEntity GetEntity(Expression<Func<TSlimEntity, bool>> condition);
        TVal GetValue<TVal>(Expression<Func<TSlimEntity, bool>> condition, Expression<Func<TSlimEntity, TVal>> selector);
        IList<TVal> GetValues<TVal>(Expression<Func<TSlimEntity, bool>> condition, Expression<Func<TSlimEntity, TVal>> selector);
        IList<TSlimEntity> GetEntities(Expression<Func<TSlimEntity, bool>> condition);
        IList<TSlimEntity> GetEntities();
        IList<TSlimEntity> GetEntities<TVal>(
            Expression<Func<TSlimEntity, bool>> condition,
            Expression<Func<TSlimEntity, TVal>> orderBy,
            ListSortDirection direction);   
        IList<TSlimEntity> GetEntities<TVal>(
              out int rows,
             Expression<Func<TSlimEntity, bool>> condition = null,
             int pageIndex = 1,
             int pageSize = 20,
             Expression<Func<TSlimEntity, TVal>> orderBy = null,
             ListSortDirection direction = ListSortDirection.Descending
             );
        IList<TSlimEntity> GetEntities(int pageSize, int pageIndex, out int rows);
        int GetCount(Expression<Func<TSlimEntity, bool>> condition);
    }
}