using Dapper;
using Microsoft.Data.SqlClient;
using Npgsql;
using Oracle.ManagedDataAccess.Client;
using Shentun.Utilities;
using System;
using System.Collections.Generic;
using System.Data.Common;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Shentun.Peis.PlugIns
{
    public class ColumnReferencePlugInsDbBase: ColumnReferencePlugInsBase
    {
        protected string InterfaceSql;
        protected string InterfaceDbType;
        protected string? InterfaceConnctionStr;
        public ColumnReferencePlugInsDbBase(string parmValue):base(parmValue)
        {
            InterfaceSql = InterfaceConfig.GetSection("Interface").GetSection("Sql").Value;
            InterfaceDbType = InterfaceConfig.GetSection("Interface").GetSection("DbType").Value;
            InterfaceConnctionStr = InterfaceConfig.GetSection("Interface").GetSection("ConnectionStrings").Value;
        }
        protected DbConnection CreateInterfaceDbConnect()
        {
            DbConnection conn ;
            if (string.IsNullOrWhiteSpace(InterfaceConnctionStr))
            {
                throw new ArgumentException("数据连接设置中的DbType不能为空");
            }
            InterfaceDbType = InterfaceDbType.ToLower();
            if (InterfaceDbType == "sqlserver")
            {
                conn = new SqlConnection(InterfaceConnctionStr);
            }
            else if (InterfaceDbType == "postgres")
            {
                conn = new NpgsqlConnection(InterfaceConnctionStr);
            }
            else if (InterfaceDbType == "oracle")
            {
                conn = new OracleConnection(InterfaceConnctionStr);
            }
            else
            {
                throw new ArgumentException("数据连接设置中的DbType不支持");
            }
            return conn;
        }

        public override async Task<List<ColumnReferenceCodeValue>> GetInterfaceCodeValuesAsync()
        {
            using (DbConnection conn =  CreateInterfaceDbConnect())
            {
                var list = (await conn.QueryAsync<ColumnReferenceCodeValue>(InterfaceSql)).ToList();
                foreach (var item in list)
                {
                    item.SimpleCode = LanguageConverter.GetPYSimpleCode(item.DisplayName);
                }
                return list;
            }
        }
    }
}