using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using POSV.Utils;

namespace POSV.HttpApi
{
    public abstract class BaseApi
    {
        protected static NLog.Logger _logger = NLog.LogManager.GetCurrentClassLogger();

        protected static Dictionary<string , string> _errorDesc = new Dictionary<string , string>();

        static BaseApi()
        {

            //系统没有定义的错误代码
            _errorDesc.Add("9999" , "响应的报文解析出现异常");

        }

        protected static string PaserErrors(string response)
        {
            string result = string.Empty;
            try
            {
                _logger.Error(response);

                Errors mainError = JsonUtils.Deserialize<Errors>(response);
                if (_errorDesc.ContainsKey(mainError.Code))
                {
                    result = _errorDesc[mainError.Code];
                }
                else
                {
                    result = mainError.Message;
                }

                List<SubErrors> subError = mainError.SubErrors;
                if (subError != null && subError.Count > 0)
                {
                    SubErrors error = subError[0];
                    if (_errorDesc.ContainsKey(error.Code))
                    {
                        result = _errorDesc[error.Code];
                    }
                    else
                    {
                        result = error.Message;
                    }
                }
            }
            catch (Exception ex)
            {
                _logger.Error(ex , "非法的错误信息格式");

                result = _errorDesc["9999"];
            }

            return result;
        }
    }
}