using SqlSugar;
using System;
using System.Collections.Generic;
using System.Data;

namespace iMES.Bi.Data
{
    public class DBFactory
    {
        private SqlSugarClient db;
        public DBFactory()
        {
        }
        public static string DBType = Appsettings.app(new string[] { "Connection", "DBType" });//获取连接字符串
        public DBFactory(string ConnectionString)
        {
            db = new SqlSugarClient(new ConnectionConfig()
            {
                ConnectionString = ConnectionString,        //必填, 数据库连接字符串
                DbType = DBType == "MySql" ? SqlSugar.DbType.MySql : SqlSugar.DbType.SqlServer,         //必填, 数据库类型
                IsAutoCloseConnection = true,               //默认false, 时候知道关闭数据库连接, 设置为true无需使用using或者Close操作
                InitKeyType = InitKeyType.SystemTable       //默认SystemTable, 字段信息读取, 如：该属性是不是主键，是不是标识列等等信息
            });
            db.Aop.OnLogExecuting = (sql, pars) => //SQL执行前事件
            {
                string strSQL = sql;
                SugarParameter[] pr = pars;
            };
        }
        public DBFactory(string DBType, string DBIP, string Port, string DBName, string DBUser, string DBPwd)
        {
            string connectionString = "";
            var DbType = SqlSugar.DbType.MySql;
            if (DBType.ToLower() == "sqlserver")
            {
                if (string.IsNullOrEmpty(Port))
                {
                    Port = "1433";
                }
                DbType = SqlSugar.DbType.SqlServer;
                connectionString = string.Format("Data Source ={0},{4};Initial Catalog ={1};User Id ={2};Password={3};", DBIP, DBName, DBUser, DBPwd, Port);
            }
            else if (DBType.ToLower() == "mysql")
            {
                DbType = SqlSugar.DbType.MySql;
                if (string.IsNullOrEmpty(Port))
                {
                    Port = "3306";
                }
                connectionString = string.Format("server={0};userid={1};password={2};database={3};PORT={4};", DBIP, DBUser, DBPwd, DBName, Port);
            }
            db = new SqlSugarClient(new ConnectionConfig()
            {
                ConnectionString = connectionString,        //必填, 数据库连接字符串
                DbType = DbType,         //必填, 数据库类型
                IsAutoCloseConnection = true,               //默认false, 时候知道关闭数据库连接, 设置为true无需使用using或者Close操作
                InitKeyType = InitKeyType.SystemTable       //默认SystemTable, 字段信息读取, 如：该属性是不是主键，是不是标识列等等信息
            });

            db.Aop.OnLogExecuting = (sql, pars) => //SQL执行前事件
            {
                string strSQL = sql;
                SugarParameter[] pr = pars;
            };
        }
        //测试连接
        public bool TestConn()
        {
            try
            {
                if (db.Ado.Connection.State != ConnectionState.Open)
                {
                    db.Ado.Connection.Open();
                }
                if (db.Ado.Connection.State == ConnectionState.Open)
                {
                    db.Ado.Connection.Close();
                    return true;
                }
            }
            catch { }

            return false;
        }
        public string GetDBType()
        {
            return db.DbMaintenance.Context.CurrentConnectionConfig.DbType.ToString();
        }
        public void CModel()
        {
            db.DbFirst.CreateClassFile("D:\\Demo\\1");
        }
        public DataTable GetTables()
        {
            DataTable data = db.Ado.GetDataTable("select name ,type_desc from sys.objects where type_desc in ('USER_TABLE','VIEW') ORDER BY name");
            return data;
        }
        public List<DbTableInfo> GetDBTables()
        {
            List<DbTableInfo> data = db.DbMaintenance.GetTableInfoList();
            return data;
        }
        public SqlSugarClient GetDBClient()
        {
            return db;
        }
        public DataTable GetSQL(string strSQL)
        {
            DataTable data = db.Ado.GetDataTable(strSQL);
            return data;
        }
        /// <summary>
        /// 获取SQL模型数据
        /// </summary>
        /// <param name="DS"></param>
        /// <param name="wd"></param>
        /// <param name="dl"></param>
        /// <param name="strTableFiled"></param>
        /// <param name="strDataCount"></param>
        /// <param name="strWhere"></param>
        /// <returns></returns>
        public DataTable GetYBData(string DSSQL, string wd, string dl, string strDataCount, string strWhere, string Order, int pageNo, int pageSize, string wdgroup, string wdhaving, ref int recordTotal, ref string strReturnSQL)
        {
            DataTable dt = new DataTable();
            String strfids = (wd + "," + dl).Trim(',');
            var Q = db.SqlQueryable<Object>(DSSQL).WhereIF(!string.IsNullOrWhiteSpace(strWhere), strWhere).Select(strfids).OrderByIF(!string.IsNullOrWhiteSpace(Order), Order).Distinct();
            if (!string.IsNullOrWhiteSpace(wdgroup))
            {
                Q = Q.GroupBy(wdgroup);
            }
            if (!string.IsNullOrWhiteSpace(wdhaving))
            {
                Q = Q.Having(wdhaving);
            }
            if (strDataCount != "0")
            {
                Q = Q.Take(int.Parse(strDataCount));
            }
            if (pageSize == 0)
            {
                dt = Q.ToDataTable();
            }
            else
            {
                dt = Q.ToDataTablePage(pageNo, pageSize, ref recordTotal);
            }
            if (dt.Columns.Contains("RowIndex"))
            {
                ///SQLSERVER多出来得一列
                dt.Columns.Remove("RowIndex");
            }
            strReturnSQL = Q.ToSql().Key;
            return dt;
        }
        /// <summary>
        /// 插入数据
        /// </summary>
        /// <param name="DS"></param>
        /// <param name="strTable"></param>
        /// <returns></returns>
        public int InserData(Dictionary<string, object> DS, string strTable)
        {
            var t66 = db.Insertable(DS).AS(strTable).ExecuteReturnIdentity();
            return int.Parse(t66.ToString());
        }
        public int UpdateData(Dictionary<string, object> DS, string strTable)
        {
            var returndata = db.Updateable(DS).AS(strTable).ExecuteCommand();
            return int.Parse(returndata.ToString());
        }
    }
}