#include "stdafx.h"
#include "..\..\libs\zlib\src\zip.h"

int CreateZipFile(const char *szDestPath, OBJLIST<ZipFile> &lstFiles, const std::function<bool(size_t)> &fnCallback)
{
	zipFile hZip = zipOpen2_64(_A2T(szDestPath), APPEND_STATUS_CREATE, NULL, NULL);
	if (!hZip) return 1;

	zip_fileinfo fi = { 0 };

	int ret = 0;
	for (int i = 0; i < lstFiles.getCount(); i++)
	{
		ZipFile &zf = lstFiles[i];

		HANDLE hSrcFile = CreateFileA(zf.sPath.c_str(), GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
		if (hSrcFile != INVALID_HANDLE_VALUE)
		{
			int iOpenRes = zipOpenNewFileInZip(hZip, zf.sZipPath.c_str(), &fi, NULL, 0, NULL, 0, "", Z_DEFLATED, Z_BEST_COMPRESSION);

			if (iOpenRes == ZIP_OK)
			{
				DWORD dwRead;
				BYTE buf[0x40000];

				while (ReadFile(hSrcFile, buf, sizeof(buf), &dwRead, nullptr) && dwRead && (zipWriteInFileInZip(hZip, buf, dwRead) == ZIP_OK));
				zipCloseFileInZip(hZip);
				CloseHandle(hSrcFile);

				if (!fnCallback(i))
				{
					ret = 3;
					break;
				}
			}
			else
				CloseHandle(hSrcFile);
		}
	}

	zipClose(hZip, CMStringA(FORMAT, Translate("Miranda NG [%s] database backup"), g_szMirVer));
	return ret;
}