using Dapper;
using Estsh.Core.Base;
using Estsh.Core.Dapper;
using Estsh.Core.Extensions;
using Estsh.Core.SqlSugar;
using Estsh.Core.Util;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Threading.Tasks;

namespace Estsh.Core.Repositories
{
    public abstract class BaseRepository<T> : SqlSugarDbHelper, IBaseRepository<T>, IDependency where T : BaseEntity
    {
        protected DapperDbContext dapperDbContext { get; set; }
        public BaseRepository(DapperDbContext _dapperDbContext)
        { 
            dapperDbContext = _dapperDbContext;
        }

        /// <summary>
        /// 批量执行sql，带事务
        /// </summary>
        /// <param name="sqlStrings"></param>
        /// <param name="parameterList"></param>
        /// <param name="commandTimeout"></param>
        /// <returns></returns>
        public bool ExecuteTransaction(List<string> sqlStrings, List<DynamicParameters> parameterList, int? commandTimeout = null)
        {
            using (IDbConnection dbConn = dapperDbContext.GetDbConnection())
            {
                bool isClosed = dbConn.State == ConnectionState.Closed;
                if (isClosed)
                {
                    dbConn.Open();
                }
                //开启事务
                using (var transaction = dbConn.BeginTransaction())
                {
                    try
                    {
                        bool successCount = true;
                        for (int i = 0; i < sqlStrings.Count; i++)
                        {
                            dbConn.Execute(sqlStrings[i], parameterList[i], transaction, commandTimeout);
                        }
                        //提交事务
                        transaction.Commit();
                        return true;
                    }
                    catch (Exception ex)
                    {
                        //回滚事务
                        LogHelper.Error("ExecuteTransaction", ex);
                        transaction.Rollback();
                        dbConn.Close();
                        dbConn.Dispose();
                        throw ex;
                    }
                    finally
                    {
                        dbConn.Close();
                        dbConn.Dispose();
                    }
                }
            }
        }


        public int Insert(T entity, string sql)
        {
            using (IDbConnection dbConn = dapperDbContext.GetDbConnection())
            {
                dbConn.Open();
                var result = dbConn.Execute(sql, entity);
                return result;
            }
        }

        public async Task<int> InsertAsync(T entity, string sql)
        {
            using (IDbConnection dbConn = dapperDbContext.GetDbConnection())
            { 
                dbConn.Open();
                var result = await dbConn.ExecuteAsync(sql, entity);
                return result;
            }
        }

        public async Task<int> UpdateAsync(T entity, string sql)
        {
            using (IDbConnection dbConn = dapperDbContext.GetDbConnection())
            {
                dbConn.Open();
                var result = await dbConn.ExecuteAsync(sql, entity);
                return result;
            }
        }

        public async Task<int> DeleteAsync(int id, string sql)
        {
            using (IDbConnection dbConn = dapperDbContext.GetDbConnection())
            {
                dbConn.Open();
                var result = await dbConn.ExecuteAsync(sql, new { Id = id});
                return result;
            }
        }

        public async Task<T> GetAsync(int id, string sql)
        {
            using (IDbConnection dbConn = dapperDbContext.GetDbConnection())
            {
                dbConn.Open();
                var result = await dbConn.QueryFirstOrDefaultAsync<T>(sql, new { Id = id });
                return result;
            }
        }

        public async Task<List<T>> GetListAsync(string sql)
        {
            using (IDbConnection dbConn = dapperDbContext.GetDbConnection())
            {
                dbConn.Open();
                var result = await Task.Run(() => dbConn.Query<T>(sql).ToList());
                return result;
            }
        }

        public async Task<List<T>> GetByDynamicParams(string sql, DynamicParameters dynmicParams)
        {
            using (IDbConnection dbConn = dapperDbContext.GetDbConnection())
            {
                dbConn.Open();
                var result = await Task.Run(() => dbConn.Query<T>(sql, dynmicParams).ToList());
                return result;
            }
        }

    }
}