using FreeSql.Internal;
using FreeSql.Internal.CommonProvider;
using FreeSql.SqlServer.Curd;
using System;
using System.Collections.Generic;

namespace FreeSql.SqlServer {

	public class SqlServerProvider<TMark> : IFreeSql<TMark> {

		public ISelect<T1> Select<T1>() where T1 : class => new SqlServerSelect<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, null);
		public ISelect<T1> Select<T1>(object dywhere) where T1 : class => new SqlServerSelect<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, dywhere);
		public IInsert<T1> Insert<T1>() where T1 : class => new SqlServerInsert<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression);
		public IInsert<T1> Insert<T1>(T1 source) where T1 : class => this.Insert<T1>().AppendData(source);
		public IInsert<T1> Insert<T1>(T1[] source) where T1 : class => this.Insert<T1>().AppendData(source);
		public IInsert<T1> Insert<T1>(IEnumerable<T1> source) where T1 : class => this.Insert<T1>().AppendData(source);
		public IUpdate<T1> Update<T1>() where T1 : class => new SqlServerUpdate<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, null);
		public IUpdate<T1> Update<T1>(object dywhere) where T1 : class => new SqlServerUpdate<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, dywhere);
		public IDelete<T1> Delete<T1>() where T1 : class => new SqlServerDelete<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, null);
		public IDelete<T1> Delete<T1>(object dywhere) where T1 : class => new SqlServerDelete<T1>(this, this.InternalCommonUtils, this.InternalCommonExpression, dywhere);

		public IAdo Ado { get; }
		public IAop Aop { get; }
		public ICodeFirst CodeFirst { get; }
		public IDbFirst DbFirst { get; }
		public SqlServerProvider(string masterConnectionString, string[] slaveConnectionString) {
			this.InternalCommonUtils = new SqlServerUtils(this);
			this.InternalCommonExpression = new SqlServerExpression(this.InternalCommonUtils);

			this.Ado = new SqlServerAdo(this.InternalCommonUtils, masterConnectionString, slaveConnectionString);
			this.Aop = new AopProvider();

			this.DbFirst = new SqlServerDbFirst(this, this.InternalCommonUtils, this.InternalCommonExpression);
			this.CodeFirst = new SqlServerCodeFirst(this, this.InternalCommonUtils, this.InternalCommonExpression);

			if (this.Ado.MasterPool != null)
				using (var conn = this.Ado.MasterPool.Get()) {
					try {
						(this.InternalCommonUtils as SqlServerUtils).IsSelectRowNumber = int.Parse(conn.Value.ServerVersion.Split('.')[0]) <= 10;
					} catch {
					}
				}
		}

		internal CommonUtils InternalCommonUtils { get; }
		internal CommonExpression InternalCommonExpression { get; }

		public void Transaction(Action handler) => Ado.Transaction(handler);

		public void Transaction(Action handler, TimeSpan timeout) => Ado.Transaction(handler, timeout);

		~SqlServerProvider() {
			this.Dispose();
		}
		bool _isdisposed = false;
		public void Dispose() {
			if (_isdisposed) return;
			(this.Ado as AdoProvider).Dispose();
		}
	}
}