using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data.SqlClient;
using System.Data.OracleClient;
using CK.SCP.Models;

namespace ChangKeTec.Wms.Controller.Report
{
    public static class DBControllerByOracle
    {
        #region  建立数据库连接
        /// <summary>
        /// 获取数据库连接
        /// </summary>
        public static OracleConnection GetConnection()
        {
            DbSetting setting = GlobalConfig.qiMingERPDatabase;//中间库数据库
            OracleConnection myCon = new OracleConnection($"Data Source={setting.数据库名称};user={setting.用户名};password={setting.密码}");
            return myCon;
        }
        #endregion

        #region  执行OracleConnection命令
        /// <summary>
        /// 执行数据库更新，插入操作
        /// </summary>
        public static void ExecuteNonQuery(string p_sql, OracleParameter[] p_par = null)
        {
            using (OracleConnection oraclecon = DBControllerByOracle.GetConnection())
            {
                oraclecon.Open();
                OracleCommand mycom = new OracleCommand(p_sql, oraclecon);
                if (p_par != null)
                {
                    foreach (OracleParameter parm in p_par)
                    {
                        mycom.Parameters.Add(parm);
                    }
                }
                mycom.CommandTimeout = 720;
                mycom.ExecuteNonQuery();

            }
        }

        /// <summary>
        /// 执行批量更新，插入操作
        /// </summary>
        public static bool ExecuteTransaction(List<string> p_sql, Dictionary<string, OracleParameter[]> p_dic = null)
        {
            using (OracleConnection oraclecon = DBControllerByOracle.GetConnection())
            {
                bool temp = true;
                oraclecon.Open();
                System.Data.OracleClient.OracleTransaction trn = oraclecon.BeginTransaction();
                try
                {
                    for (int i = 0; i < p_sql.Count; i++)
                    {
                        OracleCommand mycom = new OracleCommand(p_sql[i], oraclecon, trn);
                        if (p_dic != null && p_dic.ContainsKey(i.ToString()))
                        {
                            OracleParameter[] p_par = p_dic[i.ToString()] as OracleParameter[];
                            foreach (OracleParameter parm in p_par)
                            {
                                mycom.Parameters.Add(parm);
                            }
                        }
                        mycom.ExecuteNonQuery();
                    }
                    trn.Commit();
                    return temp;
                }
                catch
                {
                    trn.Rollback();
                    temp = false;
                    return temp;
                }
                finally
                {
                    if (p_sql.Count > 0) p_sql.Clear();
                    if (p_dic != null) p_dic.Clear();
                    oraclecon.Close();
                    oraclecon.Dispose();
                }
            }
        }

        #endregion

        #region  获取DataTable数据源对象
      
        public static DataTable GetDataTable(string p_sql, OracleParameter[] p_par = null)
        {
            using (OracleConnection oraclecon = DBControllerByOracle.GetConnection())
            {
                OracleCommand mycom = new OracleCommand(p_sql, oraclecon);
                if (p_par != null)
                {
                    foreach (OracleParameter parm in p_par)
                    {
                        mycom.Parameters.Add(parm);
                    }
                }
                mycom.CommandTimeout = 300;
                OracleDataAdapter sqlda = new OracleDataAdapter(mycom);
                DataSet myds = new DataSet();
                sqlda.Fill(myds);
                return myds.Tables[0];
            }
        }
        #endregion
    }
}