#include "calccrc.hpp"
#include <cstring>
// 使用extern "C"来定义接口函数
#ifdef __cplusplus
extern "C"
{
#endif
	
char*** map_to_char(const std::map<std::string, std::string>& m) {
	// Allocate memory for the char***
	int size = m.size();
	char*** array = new char** [size];

	// Iterate over the map and copy each key and value to the char***
	int i = 0;
	for (const auto& p : m) {
		// Allocate memory for each key and value pair
		array[i] = new char* [2];

		// Copy the key
		int key_len = p.first.length();
		array[i][0] = new char[key_len + 1];
		strcpy(array[i][0], p.first.c_str());

		// Copy the value
		int val_len = p.second.length();
		array[i][1] = new char[val_len + 1];
		strcpy(array[i][1], p.second.c_str());

		i++;
	}

	return array;
}

const char* get_string(string str) {
	const char* pszSTR = str.data();
	char* new_str = new char[strlen(pszSTR) + 1];
	strcpy(new_str, pszSTR);

	return new_str;
}

const char* calcALLIEDCRC(char**** iedCrcMap, const char* pszSCDFile, int& iSize)
{
	iSize = 0;
	map<string, string> iedCRCMap = CCalCRC::getIedCrc(pszSCDFile);
	iSize = iedCRCMap.size();
	*iedCrcMap = map_to_char(iedCRCMap);

	string strSCDCRC = CCalCRC::getScdCRC(iedCRCMap).c_str();
	return get_string(strSCDCRC);
}

const char* calcIEDCRC(const char* pszSCDFile, const char* pszIEDName)
{
	string crcValue = CCalCRC::getIedCrc(pszSCDFile, pszIEDName).data();
	return get_string(crcValue);
}

const char* calcCRCForBytes(const char* pszBytes, int nLen)
{
	int crc = 0xffffffff;
	string serial(pszBytes, nLen);
	crc = CCalCRC::crcbyTable(crc, serial);
	string crcValue = CCalCRC::dec2hex(crc);
	for (size_t i = crcValue.size(); i < 8; i++)
		crcValue.insert(0, "0");
	return get_string(crcValue);
}

void exportCCD(const char* pszSCDFile, const char* pszIEDName, const char* pszDirName)
{
	CCalCRC::exportIedCCD(pszSCDFile, pszIEDName, pszDirName);
}

#ifdef __cplusplus
}
#endif