using SqlSugar;
using System;
using System.Collections.Generic;
using System.Linq;
using WaterCloud.Code;
using WaterCloud.Code.Model;
using WaterCloud.DataBase;
using WaterCloud.Domain.SystemOrganize;

namespace WaterCloud.Service
{
	/// <summary>
	/// 初始数据库操作类
	/// </summary>
	public class DBInitialize
	{
		private static string cacheKey = GlobalContext.SystemConfig.ProjectPrefix + "_dblist";// 数据库键

		/// <summary>
		/// 获取注册数据库list
		/// </summary>
		/// <param name="readDb">重置数据库list</param>
		/// <returns></returns>
		public static List<ConnectionConfig> GetConnectionConfigs(bool readDb = false)
		{
			List<ConnectionConfig> list = CacheHelper.Get<List<ConnectionConfig>>(cacheKey);
			if (list == null || !list.Any() || readDb)
			{
				list = new List<ConnectionConfig>();
				var data = GlobalContext.SystemConfig;
				var defaultConfig = DBContexHelper.Contex(data.DBConnectionString, data.DBProvider);
				defaultConfig.ConfigId = "0";
				list.Add(defaultConfig);
				try
				{
					//租户数据库
					if (data.SqlMode == Define.SQL_TENANT)
					{
						using (var context = new SqlSugarClient(defaultConfig))
						{
							var sqls = context.Queryable<SystemSetEntity>().ToList();
							foreach (var item in sqls.Where(a => a.F_EnabledMark == true && a.F_EndTime > DateTime.Now.Date && a.F_DbNumber != "0"))
							{
								var config = DBContexHelper.Contex(item.F_DbString, item.F_DBProvider);
								config.ConfigId = item.F_DbNumber;
								list.Add(config);
							}
						}
					}
					if (data.SqlConfig == null)
						data.SqlConfig = new List<DBConfig>();

					//扩展数据库
					foreach (var item in data.SqlConfig)
					{
						var config = DBContexHelper.Contex(item.DBConnectionString, item.DBProvider);
						config.ConfigId = item.DBNumber;
						if (list.Any(a => a.ConfigId == config.ConfigId))
						{
							throw new Exception($"数据库编号重复，请检查{config.ConfigId}");
						}
						list.Add(config);
					}
				}
				catch (Exception ex)
				{
					LogHelper.WriteWithTime(ex);
				}
				CacheHelper.SetBySecond(cacheKey, list);
			}
			return list;
		}
	}
}