using ce.autofac.extension;
using learun.iapplication;
using learun.util;
using System.Collections.Generic;
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：2019.09.18
	/// 描 述：行政区域
	/// </summary>
	public class AreaBLL : BLLBase, AreaIBLL, BLL
	{
		private readonly AreaService areaService = new AreaService();

		#region 获取数据

		/// <summary>
		/// 获取区域列表数据
		/// </summary>
		/// <param name="parentId">父节点主键（0表示顶层）</param>
		/// <param name="keyword">关键字查询（名称/编号）</param>
		/// <returns></returns>
		public Task<IEnumerable<AreaEntity>> GetList(string parentId, string keyword = "")
		{
			return areaService.GetList(parentId, keyword);
		}

		/// <summary>
		/// 区域实体
		/// </summary>
		/// <param name="keyValue">主键值</param>
		/// <returns></returns>
		public Task<AreaEntity> GetEntity(string keyValue)
		{
			return areaService.GetEntity(keyValue);
		}

		/// <summary>
		/// 获取区域数据树（某一级的）
		/// </summary>
		/// <param name="parentId">父级主键</param>
		/// <returns></returns>
		public async Task<IEnumerable<TreeModel>> GetTree(string parentId)
		{
			List<TreeModel> treeList = new List<TreeModel>();
			var list = (List<AreaEntity>)await GetList(parentId);

			foreach (var item in list)
			{
				TreeModel node = new TreeModel();
				node.id = item.F_AreaId;
				node.text = item.F_AreaName;
				node.value = item.F_AreaCode;
				node.showcheck = false;
				node.checkstate = 0;
				node.hasChildren = true;
				node.isexpand = false;
				node.complete = false;
				treeList.Add(node);
			}
			return treeList;
		}

		#endregion 获取数据

		#region 提交数据

		/// <summary>
		/// 删除区域
		/// </summary>
		/// <param name="keyValue">主键</param>
		public async Task Delete(string keyValue)
		{
			await areaService.Delete(keyValue);
		}

		/// <summary>
		/// 保存区域表单（新增、修改）
		/// </summary>
		/// <param name="keyValue">主键值</param>
		/// <param name="areaEntity">区域实体</param>
		/// <returns></returns>
		public async Task SaveEntity(string keyValue, AreaEntity areaEntity)
		{
			if (areaEntity.F_ParentId != "0")
			{
				AreaEntity entity = await GetEntity(areaEntity.F_ParentId);
				if (entity != null)
				{
					areaEntity.F_Layer = entity.F_Layer + 1;
				}
			}
			else
			{
				areaEntity.F_Layer = 1;
			}
			await areaService.SaveEntity(keyValue, areaEntity);
		}

		#endregion 提交数据
	}
}