using System.Collections.Generic;
using System.Data;
using System.Diagnostics;
using System.Linq.Expressions;
using System.Reflection;
using AgileObjects.AgileMapper;
using Microsoft.AspNetCore.Http;
using Microsoft.IdentityModel.Tokens;
using MongoDB.Driver;
using OfficeOpenXml.FormulaParsing.Excel.Functions.Text;
using SharpCompress.Common;
using SqlSugar;
using Tiobon.Core.Common;
using Tiobon.Core.Common.Extensions;
using Tiobon.Core.Common.Helper;
using Tiobon.Core.Common.HttpContextUser;
using Tiobon.Core.Common.UserManager;
using Tiobon.Core.IRepository.Base;
using Tiobon.Core.IServices.BASE;
using Tiobon.Core.Model;
using Tiobon.Core.Repository.Base;

namespace Tiobon.Core.Services.BASE
{
    /// <summary>
    /// 增删改查基础服务
    /// </summary>
    /// <typeparam name="TEntity"></typeparam>
    /// <typeparam name="TEntityDto"></typeparam>
    /// <typeparam name="TInsertDto"></typeparam>
    /// <typeparam name="TEditDto"></typeparam>
    public class BaseServices<TEntity, TEntityDto, TInsertDto, TEditDto> : IBaseServices<TEntity, TEntityDto, TInsertDto, TEditDto> where TEntity : class, new()
    {
        public BaseServices(IBaseRepository<TEntity> BaseDal = null)
        {
            this.BaseDal = BaseDal;
        }

        //public IBaseRepository<TEntity> baseDal = new BaseRepository<TEntity>();
        public IBaseRepository<TEntity> BaseDal { get; set; } //通过在子类的构造函数中注入，这里是基类，不用构造函数

        public ISqlSugarClient Db => BaseDal.Db;

        public async Task<TEntityDto> QueryById(object objId)
        {
            var data = await BaseDal.QueryById(objId);
            return Mapper.Map(data).ToANew<TEntityDto>();
        }

        /// <summary>
        /// 根据ID查询一条数据
        /// </summary>
        /// <param name="objId">id（必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]），如果是联合主键，请使用Where条件</param>
        /// <param name="blnUseCache">是否使用缓存</param>
        /// <returns>数据实体</returns>
        public async Task<TEntityDto> QueryById(object objId, bool blnUseCache = false)
        {
            var data = await BaseDal.QueryById(objId, blnUseCache);
            return Mapper.Map(data).ToANew<TEntityDto>();
        }

        /// <summary>
        /// 根据ID查询数据
        /// </summary>
        /// <param name="lstIds">id列表（必须指定主键特性 [SugarColumn(IsPrimaryKey=true)]），如果是联合主键，请使用Where条件</param>
        /// <returns>数据实体列表</returns>
        public async Task<List<TEntityDto>> QueryByIDs(object[] lstIds)
        {
            var data = await BaseDal.QueryByIDs(lstIds);
            return Mapper.Map(data).ToANew<List<TEntityDto>>();
        }

        /// <summary>
        /// 写入实体数据
        /// </summary>
        /// <param name="entity">博文实体类</param>
        /// <returns></returns>
        public async Task<long> Add(TInsertDto entity)
        {
            var userId = UserContext.Current.User_Id;
            HttpRequest request = UserContext.Context.Request;
            var api = request.Path.ObjToString().TrimEnd('/').ToLower();
            var ip = GetUserIp(UserContext.Context);

            BasePoco ent = entity as BasePoco;
            if (ent.CreateBy != null)
                ent.CreateBy = userId;
            ent.CreateTime = DateTime.Now;
            ent.CreateIP = ip;
            ent.CreateProg = api;

            var entity1 = Mapper.Map(entity).ToANew<TEntity>();
            return await BaseDal.Add(entity1);
        }

        /// <summary>
        /// 批量插入实体(速度快)
        /// </summary>
        /// <param name="listEntity">实体集合</param>
        /// <returns>影响行数</returns>
        public async Task<List<long>> Add(List<TInsertDto> listEntity)
        {
            var userId = UserContext.Current.User_Id;
            HttpRequest request = UserContext.Context.Request;
            var api = request.Path.ObjToString().TrimEnd('/').ToLower();
            var ip = GetUserIp(UserContext.Context);
            listEntity.ForEach(entity =>
            {
                BasePoco ent = entity as BasePoco;
                if (ent.CreateBy != null)
                    ent.CreateBy = userId;
                ent.CreateTime = DateTime.Now;
                ent.CreateIP = ip;
                ent.CreateProg = api;
            });
            var list = Mapper.Map(listEntity).ToANew<List<TEntity>>();
            return await BaseDal.Add(list);
        }

        /// <summary>
        /// 更新实体数据
        /// </summary>
        /// <param name="entity">博文实体类</param>
        /// <returns></returns>
        public async Task<bool> Update(long Id, TEditDto editModel)
        {
            var userId = UserContext.Current.User_Id;
            HttpRequest request = UserContext.Context.Request;
            var api = request.Path.ObjToString().TrimEnd('/').ToLower();
            var ip = GetUserIp(UserContext.Context);

            if (editModel == null || !await BaseDal.AnyAsync(Id))
                return false;

            var entity = await BaseDal.QueryById(Id);
            ConvertTEditDto2TEntity(editModel, entity);
            BasePoco ent = entity as BasePoco;
            ent.UpdateBy = userId;
            ent.UpdateTime = DateTime.Now;
            ent.UpdateIP = ip;
            ent.UpdateProg = api;
            return await BaseDal.Update(entity);
        }
        /// <summary>
        /// 更新实体数据
        /// </summary>
        /// <param name="entity">博文实体类</param>
        /// <returns></returns>
        public async Task<bool> Update(List<TEntity> listEntity)
        {
            var userId = UserContext.Current.User_Id;
            HttpRequest request = UserContext.Context.Request;
            var api = request.Path.ObjToString().TrimEnd('/').ToLower();
            var ip = GetUserIp(UserContext.Context);
            listEntity.ForEach(entity =>
            {
                BasePoco ent = entity as BasePoco;
                if (ent.UpdateBy != null)
                    ent.UpdateBy = userId;
                ent.UpdateTime = DateTime.Now;
                ent.UpdateIP = ip;
                ent.UpdateProg = api;
            });
            return await BaseDal.Update(listEntity);
        }

        public async Task<bool> Update(TEntity entity, string where)
        {
            var userId = UserContext.Current.User_Id;
            HttpRequest request = UserContext.Context.Request;
            var api = request.Path.ObjToString().TrimEnd('/').ToLower();
            var ip = GetUserIp(UserContext.Context);
            BasePoco ent = entity as BasePoco;
            if (ent.UpdateBy != null)
                ent.UpdateBy = userId;
            ent.UpdateTime = DateTime.Now;
            ent.UpdateIP = ip;
            ent.UpdateProg = api;
            return await BaseDal.Update(entity, where);
        }

        public async Task<bool> Update(object operateAnonymousObjects)
        {
            return await BaseDal.Update(operateAnonymousObjects);
        }

        public async Task<bool> Update(
            TEntity entity,
            List<string> lstColumns = null,
            List<string> lstIgnoreColumns = null,
            string where = ""
        )
        {
            return await BaseDal.Update(entity, lstColumns, lstIgnoreColumns, where);
        }


        /// <summary>
        /// 根据实体删除一条数据
        /// </summary>
        /// <param name="entity">博文实体类</param>
        /// <returns></returns>
        public async Task<bool> Delete(TEntity entity)
        {
            return await BaseDal.Delete(entity);
        }

        /// <summary>
        /// 删除指定ID的数据
        /// </summary>
        /// <param name="id">主键ID</param>
        /// <returns></returns>
        public async Task<bool> DeleteById(object id)
        {
            return await BaseDal.DeleteById(id);
        }

        /// <summary>
        /// 删除指定ID集合的数据(批量删除)
        /// </summary>
        /// <param name="ids">主键ID集合</param>
        /// <returns></returns>
        public async Task<bool> DeleteByIds(object[] ids)
        {
            return await BaseDal.DeleteByIds(ids);
        }


        /// <summary>
        /// 查询所有数据
        /// </summary>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> Query()
        {
            return await BaseDal.Query();
        }

        /// <summary>
        /// 查询数据列表
        /// </summary>
        /// <param name="where">条件</param>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> Query(string where)
        {
            return await BaseDal.Query(where);
        }

        /// <summary>
        /// 查询数据列表
        /// </summary>
        /// <param name="whereExpression">whereExpression</param>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> Query(Expression<Func<TEntity, bool>> whereExpression)
        {
            return await BaseDal.Query(whereExpression);
        }

        /// <summary>
        /// 按照特定列查询数据列表
        /// </summary>
        /// <typeparam name="TResult"></typeparam>
        /// <param name="expression"></param>
        /// <returns></returns>
        public async Task<List<TResult>> Query<TResult>(Expression<Func<TEntity, TResult>> expression)
        {
            return await BaseDal.Query(expression);
        }

        /// <summary>
        /// 按照特定列查询数据列表带条件排序
        /// </summary>
        /// <typeparam name="TResult"></typeparam>
        /// <param name="whereExpression">过滤条件</param>
        /// <param name="expression">查询实体条件</param>
        /// <param name="orderByFileds">排序条件</param>
        /// <returns></returns>
        public async Task<List<TResult>> Query<TResult>(Expression<Func<TEntity, TResult>> expression, Expression<Func<TEntity, bool>> whereExpression, string orderByFileds)
        {
            return await BaseDal.Query(expression, whereExpression, orderByFileds);
        }

        /// <summary>
        /// 查询一个列表
        /// </summary>
        /// <param name="whereExpression">条件表达式</param>
        /// <param name="strOrderByFileds">排序字段，如name asc,age desc</param>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> Query(Expression<Func<TEntity, bool>> whereExpression, Expression<Func<TEntity, object>> orderByExpression, bool isAsc = true)
        {
            return await BaseDal.Query(whereExpression, orderByExpression, isAsc);
        }

        public async Task<List<TEntity>> Query(Expression<Func<TEntity, bool>> whereExpression, string orderByFileds)
        {
            return await BaseDal.Query(whereExpression, orderByFileds);
        }

        /// <summary>
        /// 查询一个列表
        /// </summary>
        /// <param name="where">条件</param>
        /// <param name="orderByFileds">排序字段，如name asc,age desc</param>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> Query(string where, string orderByFileds)
        {
            return await BaseDal.Query(where, orderByFileds);
        }

        /// <summary>
        /// 根据sql语句查询
        /// </summary>
        /// <param name="sql">完整的sql语句</param>
        /// <param name="parameters">参数</param>
        /// <returns>泛型集合</returns>
        public async Task<List<TEntity>> QuerySql(string sql, SugarParameter[] parameters = null)
        {
            return await BaseDal.QuerySql(sql, parameters);
        }

        /// <summary>
        /// 根据sql语句查询
        /// </summary>
        /// <param name="sql">完整的sql语句</param>
        /// <param name="parameters">参数</param>
        /// <returns>DataTable</returns>
        public async Task<DataTable> QueryTable(string sql, SugarParameter[] parameters = null)
        {
            return await BaseDal.QueryTable(sql, parameters);
        }

        /// <summary>
        /// 查询前N条数据
        /// </summary>
        /// <param name="whereExpression">条件表达式</param>
        /// <param name="top">前N条</param>
        /// <param name="orderByFileds">排序字段，如name asc,age desc</param>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> Query(Expression<Func<TEntity, bool>> whereExpression, int top, string orderByFileds)
        {
            return await BaseDal.Query(whereExpression, top, orderByFileds);
        }

        /// <summary>
        /// 查询前N条数据
        /// </summary>
        /// <param name="where">条件</param>
        /// <param name="top">前N条</param>
        /// <param name="orderByFileds">排序字段，如name asc,age desc</param>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> Query(
            string where,
            int top,
            string orderByFileds)
        {
            return await BaseDal.Query(where, top, orderByFileds);
        }

        /// <summary>
        /// 分页查询
        /// </summary>
        /// <param name="whereExpression">条件表达式</param>
        /// <param name="pageIndex">页码（下标0）</param>
        /// <param name="pageSize">页大小</param>
        /// <param name="orderByFileds">排序字段，如name asc,age desc</param>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> Query(
            Expression<Func<TEntity, bool>> whereExpression,
            int pageIndex,
            int pageSize,
            string orderByFileds)
        {
            return await BaseDal.Query(
                whereExpression,
                pageIndex,
                pageSize,
                orderByFileds);
        }

        /// <summary>
        /// 分页查询
        /// </summary>
        /// <param name="where">条件</param>
        /// <param name="pageIndex">页码（下标0）</param>
        /// <param name="pageSize">页大小</param>
        /// <param name="orderByFileds">排序字段，如name asc,age desc</param>
        /// <returns>数据列表</returns>
        public async Task<List<TEntity>> Query(
            string where,
            int pageIndex,
            int pageSize,
            string orderByFileds)
        {
            return await BaseDal.Query(
                where,
                pageIndex,
                pageSize,
                orderByFileds);
        }

        public async Task<PageModel<TEntity>> QueryPage(Expression<Func<TEntity, bool>> whereExpression,
            int pageIndex = 1, int pageSize = 20, string orderByFileds = null)
        {
            return await BaseDal.QueryPage(whereExpression,
                pageIndex, pageSize, orderByFileds);
        }

        public async Task<PageModel<TEntityDto>> QueryFilterPage([FromFilter] QueryFilter filter)
        {
            var data = await BaseDal.QueryFilterPage(filter);

            return new PageModel<TEntityDto>(filter.PageIndex, data.dataCount, filter.PageSize, Mapper.Map(data.data).ToANew<List<TEntityDto>>());

        }

        public async Task<List<TResult>> QueryMuch<T, T2, T3, TResult>(Expression<Func<T, T2, T3, object[]>> joinExpression, Expression<Func<T, T2, T3, TResult>> selectExpression, Expression<Func<T, T2, T3, bool>> whereLambda = null) where T : class, new()
        {
            return await BaseDal.QueryMuch(joinExpression, selectExpression, whereLambda);
        }

        public async Task<PageModel<TEntity>> QueryPage(PaginationModel pagination)
        {
            var express = DynamicLinqFactory.CreateLambda<TEntity>(pagination.Conditions);
            return await QueryPage(express, pagination.PageIndex, pagination.PageSize, pagination.OrderByFileds);
        }

        #region 分表

        public async Task<List<long>> AddSplit(TEntity entity)
        {
            return await BaseDal.AddSplit(entity);
        }

        public async Task<bool> UpdateSplit(TEntity entity, DateTime dateTime)
        {
            return await BaseDal.UpdateSplit(entity, dateTime);
        }

        /// <summary>
        /// 根据实体删除一条数据
        /// </summary>
        /// <param name="entity">博文实体类</param>
        /// <returns></returns>
        public async Task<bool> DeleteSplit(TEntity entity, DateTime dateTime)
        {
            return await BaseDal.DeleteSplit(entity, dateTime);
        }

        public async Task<TEntity> QueryByIdSplit(object objId)
        {
            return await BaseDal.QueryByIdSplit(objId);
        }

        public async Task<PageModel<TEntity>> QueryPageSplit(Expression<Func<TEntity, bool>> whereExpression, DateTime beginTime, DateTime endTime,
            int pageIndex = 1, int pageSize = 20, string orderByFields = null)
        {
            return await BaseDal.QueryPageSplit(whereExpression, beginTime, endTime,
                pageIndex, pageSize, orderByFields);
        }

        #endregion

        public static string GetUserIp(HttpContext context)
        {
            string realIP = null;
            string forwarded = null;
            string remoteIpAddress = context.Connection.RemoteIpAddress.ToString();
            if (context.Request.Headers.ContainsKey("X-Real-IP"))
            {
                realIP = context.Request.Headers["X-Real-IP"].ToString();
                if (realIP != remoteIpAddress)
                {
                    remoteIpAddress = realIP;
                }
            }
            if (context.Request.Headers.ContainsKey("X-Forwarded-For"))
            {
                forwarded = context.Request.Headers["X-Forwarded-For"].ToString();
                if (forwarded != remoteIpAddress)
                {
                    remoteIpAddress = forwarded;
                }
            }
            remoteIpAddress = remoteIpAddress.Replace("::ffff:", null);
            return remoteIpAddress;
        }


        #region 辅助方法
        /// <summary>
        /// 转换TEditDto2TEntity
        /// </summary>
        /// <param name="pTargetObjSrc"></param>
        /// <param name="pTargetObjDest"></param>
        /// <returns></returns>
        protected void ConvertTEditDto2TEntity(TEditDto source, TEntity dest)
        {
            foreach (PropertyInfo mItem in typeof(TEditDto).GetProperties())
            {
                if (dest.HasField(mItem.Name))
                    dest.SetValueForField(mItem.Name, mItem.GetValue(source, null));
            }
            //dest.SetValueForField(DbConsts.ColunmName_LastModificationTime, DateTimeHelper.Now());
            //if (_currentUserId != default)
            //{
            //    //dest.SetValueForField(DbConsts.ColunmName_LastModifierId, _currentUserId);
            //    dest.SetValueForField(DbConsts.ColunmName_LastModifier, _currentUserName);
            //}

            //if (_currentTenantId != null)
            //{
            //    dest.SetValueForField(DbConsts.ColunmName_TenantId, _currentTenantId);
            //}
        }

        /// <summary>
        /// 获取根据ID查询的条件
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        protected QueryFilter QueryFilterById(Guid id)
        {
            return new QueryFilter
            {
                PageIndex = 1,
                PageSize = 1,
                Sorting = string.Empty,
                Predicate = "Id=@0",
                PredicateValues = new object[] { id }
            };
        }
        #endregion
    }
}