using learun.iapplication;
using learun.util;
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;

namespace learun.application
{
	/// <summary>
	/// 版 本 EasyCode EC管理后台
	/// Copyright (c) 2019-present EC管理有限公司
	/// 创建人：tobin
	/// 日 期：2019.10.23
	/// 描 述：常用字段
	/// </summary>
	public class DbFieldService : ServiceBase
	{
		#region 构造函数和属性

		private readonly string fieldSql;

		/// <summary>
		///
		/// </summary>
		public DbFieldService()
		{
			fieldSql = @"
                t.F_Id,
                t.F_Name,
                t.F_DataType,
                t.F_Length,
                t.F_Remark,
                t.F_CreateDate,
                t.F_CreateUserId,
                t.F_CreateUserName
            ";
		}

		#endregion 构造函数和属性

		#region 获取数据

		/// <summary>
		/// 获取列表数据
		/// </summary>
		/// <returns></returns>
		public Task<IEnumerable<DbFieldEntity>> GetList(string queryJson)
		{
			//参考写法
			var queryParam = queryJson.ToJObject();
			// 虚拟参数
			//var dp = new DynamicParameters(new { });
			//dp.Add("startTime", queryParam["StartTime"].ToDate(), DbType.DateTime);
			var strSql = new StringBuilder();
			strSql.Append("SELECT ");
			strSql.Append(fieldSql);
			strSql.Append(" FROM LR_Base_DbField t where 1=1 ");

			string keyword = "";
			if (!queryParam["keyword"].IsEmpty())
			{
				keyword = "%" + queryParam["keyword"].ToString() + "%";
				strSql.Append(" and ( t.F_Name like @keyword or  t.F_Remark like @keyword ) ");
			}

			return this.BaseRepository().FindList<DbFieldEntity>(strSql.ToString(), new { keyword });
		}

		/// <summary>
		/// 获取列表分页数据
		/// </summary>
		/// <param name="pagination">分页参数</param>
		/// <param name="queryJson">查询参数</param>
		/// <returns></returns>
		public Task<IEnumerable<DbFieldEntity>> GetPageList(Pagination pagination, string queryJson)
		{
			var queryParam = queryJson.ToJObject();

			var strSql = new StringBuilder();
			strSql.Append("SELECT ");
			strSql.Append(fieldSql);
			strSql.Append(" FROM LR_Base_DbField t where 1=1 ");

			string keyword = "";
			if (!queryParam["keyword"].IsEmpty())
			{
				keyword = "%" + queryParam["keyword"].ToString() + "%";
				strSql.Append(" and ( t.F_Name like @keyword or  t.F_Remark like @keyword ) ");
			}

			return this.BaseRepository().FindList<DbFieldEntity>(strSql.ToString(), new { keyword }, pagination);
		}

		/// <summary>
		/// 获取实体数据
		/// </summary>
		/// <param name="keyValue">主键</param>
		/// <returns></returns>
		public Task<DbFieldEntity> GetEntity(string keyValue)
		{
			return this.BaseRepository().FindEntityByKey<DbFieldEntity>(keyValue);
		}

		#endregion 获取数据

		#region 提交数据

		/// <summary>
		/// 删除实体数据
		/// </summary>
		/// <param name="keyValue">主键</param>
		/// <returns></returns>
		public async Task DeleteEntity(string keyValue)
		{
			await this.BaseRepository().DeleteAny<DbFieldEntity>(new { F_Id = keyValue });
		}

		/// <summary>
		/// 保存实体数据（新增、修改）
		/// </summary>
		/// <param name="keyValue">主键</param>
		/// <param name="entity">实体</param>
		/// <returns></returns>
		public async Task SaveEntity(string keyValue, DbFieldEntity entity)
		{
			if (!string.IsNullOrEmpty(keyValue))
			{
				entity.F_Id = keyValue;
				await this.BaseRepository().Update(entity);
			}
			else
			{
				entity.F_Id = Guid.NewGuid().ToString();
				entity.F_CreateDate = DateTime.Now;
				entity.F_CreateUserId = this.GetUserId();
				entity.F_CreateUserName = this.GetUserName();
				await this.BaseRepository().Insert(entity);
			}
		}

		#endregion 提交数据
	}
}