using System;
using System.Collections.Generic;
using System.Linq.Expressions;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using IRaCIS.Core.Domain.Models;
using Microsoft.EntityFrameworkCore.ChangeTracking;

namespace IRaCIS.Core.Infra.EFCore
{
    public interface ICommandRepository<TEntity>: ICommandRepository<TEntity, Guid> where TEntity : Entity
    {
        Task<TEntity> InsertOrUpdateAsync<TFrom>(TFrom from, bool autoSave = false, params EntityVerifyExp<TEntity>[] verify);

        Task<TEntity> InsertFromDTOAsync<TFrom>(TFrom from, bool autoSave = false, params EntityVerifyExp<TEntity>[] verify);

        Task<TEntity> UpdateFromDTOAsync<TFrom>(TFrom from, bool autoSave = false, bool ignoreDtoNullProperty = true, params EntityVerifyExp<TEntity>[] verify);

        /// <summary>EF跟踪方式  生成 部分字段更新  (只更新传递的字段名 new[] {nameof(User.Name), nameof(User.Age))</summary>
        Task<TEntity> UpdatePartialFieldsAsync(TEntity entity, string[] propertyNames, bool autoSave = false, bool ignoreEntityNullProperty = true, params EntityVerifyExp<TEntity>[] verify);

        /// <summary>EF跟踪方式  生成 部分字段立即更新，默认会去处理更新更新人 更新时间</summary>

        Task<bool> UpdateNowNoQueryAsync(Guid id, Expression<Func<TEntity, TEntity>> updateFactory, params EntityVerifyExp<TEntity>[] verify);

        /// <summary> EF跟踪方式  生成 部分字段更新， 通过主键id  和表达式树 更新部分字段，默认不提交事务，一般用于服务里面 和别的操作 一起提交事务</summary>
        Task UpdateNoQueryAsync(Guid id, Expression<Func<TEntity, TEntity>> updateFactory, bool autoSave = false,  params EntityVerifyExp<TEntity>[] verify);



        /// <summary>批量删除，相当于原生sql，  没用EF跟踪方式（所有查询出来，再删除 浪费性能）</summary>
        Task<bool> BatchDeleteNoTrackingAsync(Expression<Func<TEntity, bool>> deleteFilter);

        /// <summary>批量更新，相当于原生sql，  没用EF跟踪方式（所有查询出来，再更新 浪费性能）</summary>
        Task<bool> BatchUpdateNoTrackingAsync(Expression<Func<TEntity, bool>> where, Expression<Func<TEntity, TEntity>> updateFactory);




        /// <summary>批量删除，EF跟踪方式（所有查询出来，再删除 浪费性能,但是稽查 或者触发某些操作时，需要知道数据库实体信息 不可避免用这种）</summary>
        Task<List<TEntity>> DeleteFromQueryAsync(Expression<Func<TEntity, bool>> deleteFilter, bool autoSave = false,bool ignoreQueryFilter = false);

        Task<TEntity> DeleteFromQueryAsync(Guid id, bool autoSave = false, bool ignoreQueryFilter = false);

        /// <summary> EF跟踪方式 已有查询好的，再更新部分字段 稽查的时候需要完整的实体信息</summary>
        Task<bool> UpdateAsync(TEntity entity, Expression<Func<TEntity, TEntity>> updateFactory,
            bool autoSave = false, CancellationToken cancellationToken = default);

        /// <summary> EF跟踪方式 先查询出来，再更新部分字段 稽查的时候需要完整的实体信息</summary>
        Task<TEntity> UpdateFromQueryAsync(Guid id, Expression<Func<TEntity, TEntity>> updateFactory,
            bool autoSave = false, bool ignoreQueryFilter = false, CancellationToken cancellationToken = default);

        Task UpdateFromQueryAsync(Expression<Func<TEntity, bool>> updateFilter,
            Expression<Func<TEntity, TEntity>> updateFactory,
            bool autoSave = false , bool ignoreQueryFilter = false,CancellationToken cancellationToken = default);



    }

    public interface ICommandRepository<TEntity, TKey>  where TEntity : class
    {
        EntityEntry<TEntity> Attach(TEntity entity);

         EntityEntry Entry(TEntity t);

        Task<TEntity> FirstOrDefaultAsync(Expression<Func<TEntity, bool>> exp = null, bool ignoreQueryFilters = false);

        Task<bool> AnyAsync(Expression<Func<TEntity, bool>> exp,bool ignoreQueryFilters=false);

        Task<TResult> MaxAsync<TResult>(Expression<Func<TEntity, TResult>> selector);

        Task<int> CountAsync(Expression<Func<TEntity, bool>> whereLambda = null, bool ignoreQueryFilters = false);

        ValueTask<TEntity> AddAsync(TEntity entity, bool autoSave = false, CancellationToken cancellationToken = default,bool isSaveAudit=false);

        Task<IEnumerable<TEntity>> AddRangeAsync(IEnumerable<TEntity> entities, bool isSaveAudit = false);

        //Task<bool> AddRangeAsync(IEnumerable<TEntity> entities, bool autoSave = false, CancellationToken cancellationToken = default);
        // 不建议使用，使用跟踪，然后save  部分字段更新，此种方式是更新所有字段
        //Task<bool> UpdateAsync(TEntity entity, bool autoSave = false, CancellationToken cancellationToken = default);


        Task<bool> SaveChangesAsync(CancellationToken cancellationToken = default);
        Task<bool> DeleteAsync(TEntity entity, bool autoSave = false, CancellationToken cancellationToken = default);



        //Task<bool> DeleteManyAsync(IEnumerable<TEntity> entities, bool autoSave = false, CancellationToken cancellationToken = default);
        //Task<bool> UpdateManyAsync(IEnumerable<TEntity> entities, bool autoSave = false, CancellationToken cancellationToken = default);




    }



}