#include "Common.h"

/// <summary>
/// 析构函数
/// </summary>
ErrorMsg::~ErrorMsg()
{
	if (_errorMsg)
	{
		delete _errorMsg;
		_errorMsg = nullptr;
	}
}

/// <summary>
/// 设置错误信息
/// </summary>
/// <param name="code"></param>
/// <param name="errorMsgs"></param>
void ErrorMsg::SetErrorMsg(ErrorCode code, std::vector<const char*> errorMsgs)
{
	if (_errorMsg)
	{
		delete _errorMsg;
		_errorMsg = NULL;
	}
	int count = errorMsgs.size();
	std::stringstream ss;
	for (int ni = 0; ni < count; ni++)
	{
		ss << errorMsgs[ni];
	}
	std::string msgCombined = ss.str();
	int len = msgCombined.length();
	_errorMsg = new char[msgCombined.length() + 1];
	msgCombined.copy(_errorMsg, len, 0);
	*(_errorMsg + len) = '\0';
	_errorCode = code;
}

/// <summary>
/// 获取错误信息
/// </summary>
/// <param name="errorCode"></param>
/// <param name="errorMsg"></param>
/// <param name="errorMaxLen"></param>
void ErrorMsg::GetErrorMsg(ErrorCode& errorCode, char* errorMsg, const int errorMaxLen)
{
	errorCode = _errorCode;
	if (!_errorMsg)
	{
		return;
	}
	int errorLen = strlen(_errorMsg);
	if (errorMaxLen > errorLen)
	{
		wcscpy_s(errorMsg, errorLen + 1, _errorMsg);
	}
	else
	{
		wcscpy_s(errorMsg, errorMaxLen, _errorMsg, errorMaxLen - 1);
	}
}

/// <summary>
/// 初始化静态成员变量_errorMsg
/// </summary>
char* ErrorMsg::_errorMsg = nullptr;

/// <summary>
/// 初始化静态成员变量 _errorCode
/// </summary>
ErrorCode ErrorMsg::_errorCode = None;