#include "stdafx.h"

char* CDropbox::UploadFile(const char *data, size_t size, char *path)
{
	ptrA token(db_get_sa(NULL, MODULE, "TokenSecret"));
	ptrA encodedPath(mir_utf8encode(path));
	UploadFileRequest request(token, encodedPath, data, size);
	NLHR_PTR response(request.Send(hNetlibConnection));

	HandleJsonResponseError(response);

	JSONNode root = JSONNode::parse(response->pData);
	if (!root.empty())
	{
		JSONNode node = root.at("path_lower");
		mir_strcpy(path, node.as_string().c_str());
	}
	return path;
}

void CDropbox::StartUploadSession(const char *data, size_t size, char *sessionId)
{
	ptrA token(db_get_sa(NULL, MODULE, "TokenSecret"));
	StartUploadSessionRequest request(token, data, size);
	NLHR_PTR response(request.Send(hNetlibConnection));

	HandleJsonResponseError(response);

	JSONNode root = JSONNode::parse(response->pData);
	if (root.empty())
		return;

	JSONNode node = root.at("session_id");
	mir_strcpy(sessionId, node.as_string().c_str());
}

void CDropbox::AppendToUploadSession(const char *data, size_t size, const char *sessionId, size_t offset)
{
	ptrA token(db_get_sa(NULL, MODULE, "TokenSecret"));
	AppendToUploadSessionRequest request(token, sessionId, offset, data, size);
	NLHR_PTR response(request.Send(hNetlibConnection));

	HandleJsonResponseError(response);
}

char* CDropbox::FinishUploadSession(const char *data, size_t size, const char *sessionId, size_t offset, char *path)
{
	ptrA token(db_get_sa(NULL, MODULE, "TokenSecret"));
	FinishUploadSessionRequest request(token, sessionId, offset, path, data, size);
	NLHR_PTR response(request.Send(hNetlibConnection));

	HandleJsonResponseError(response);

	JSONNode root = JSONNode::parse(response->pData);
	if (!root.empty())
	{
		JSONNode node = root.at("path_lower");
		mir_strcpy(path, node.as_string().c_str());
	}
	return path;
}

void CDropbox::CreateFolder(const char *path)
{
	ptrA token(db_get_sa(NULL, MODULE, "TokenSecret"));
	CreateFolderRequest request(token, path);
	NLHR_PTR response(request.Send(hNetlibConnection));

	// forder exists on server
	if (response->resultCode == HTTP_STATUS_FORBIDDEN)
		return;

	HandleJsonResponseError(response);
}

void CDropbox::CreateDownloadUrl(const char *path, char *url)
{
	ptrA token(db_get_sa(NULL, MODULE, "TokenSecret"));
	//bool useShortUrl = db_get_b(NULL, MODULE, "UseSortLinks", 1) > 0;
	ShareRequest request(token, path);
	NLHR_PTR response(request.Send(hNetlibConnection));

	HandleJsonResponseError(response);

	JSONNode root = JSONNode::parse(response->pData);
	if (root.empty())
		return;

	JSONNode node = root.at("url");
	mir_strcpy(url, node.as_string().c_str());
}

UINT CDropbox::SendFilesAsync(void *owner, void *arg)
{
	CDropbox *instance = (CDropbox*)owner;
	FileTransferParam *ftp = (FileTransferParam*)arg;

	try {
		ftp->FirstFile();
		do
		{
			const TCHAR *fileName = &ftp->GetCurrentFilePath()[ftp->relativePathStart];
			uint64_t fileSize = ftp->GetCurrentFileSize();

			int chunkSize = ftp->GetCurrentFileChunkSize();
			char *data = (char*)mir_calloc(chunkSize);
			size_t size = ftp->ReadCurrentFile(data, chunkSize);

			size_t offset = 0;
			char sessionId[32];
			instance->StartUploadSession(data, size, sessionId);

			offset += size;
			ftp->Progress(size);

			for (size_t chunk = 0, size = 0; chunk < (fileSize / chunkSize) - 1; chunk++, size = 0)
			{
				ftp->CheckCurrentFile();

				size = ftp->ReadCurrentFile(data, chunkSize);
				instance->AppendToUploadSession(data, size, sessionId, offset);

				offset += size;
				ftp->Progress(size);
			}

			if (offset < fileSize)
				size = ftp->ReadCurrentFile(data, fileSize - offset);

			char path[MAX_PATH];
			PreparePath(fileName, path);
			instance->FinishUploadSession(data, size, sessionId, offset, path);

			ftp->Progress(size);

			if (!_tcschr(fileName, L'\\')) {
				char url[MAX_PATH];
				instance->CreateDownloadUrl(path, url);
				ftp->AddUrl(url);
			}
		} while (ftp->NextFile());
	}
	catch (DropboxException &ex) {
		Netlib_Logf(instance->hNetlibConnection, "%s: %s", MODULE, ex.what());
		ftp->SetStatus(ACKRESULT_FAILED);
		return ACKRESULT_FAILED;
	}

	ftp->SetStatus(ACKRESULT_SUCCESS);
	return ACKRESULT_SUCCESS;
}

UINT CDropbox::SendFilesAndReportAsync(void *owner, void *arg)
{
	CDropbox *instance = (CDropbox*)owner;
	FileTransferParam *ftp = (FileTransferParam*)arg;

	int res = SendFilesAsync(owner, arg);
	if (res == ACKRESULT_SUCCESS)
	{
		CMStringA urls;
		for (int i = 0; i < ftp->urls.getCount(); i++)
			urls.AppendFormat("%s\r\n", ftp->urls[i]);

		instance->Report(ftp->hContact, urls.GetBuffer());
	}

	instance->transfers.remove(ftp);
	delete ftp;

	return res;
}

UINT CDropbox::SendFilesAndEventAsync(void *owner, void *arg)
{
	CDropbox *instance = (CDropbox*)owner;
	FileTransferParam *ftp = (FileTransferParam*)arg;

	int res = SendFilesAsync(owner, arg);

	TRANSFERINFO ti = { 0 };
	ti.hProcess = ftp->hProcess;
	ti.status = res;
	ti.data = ftp->urls.getArray();

	NotifyEventHooks(instance->hFileSentEventHook, ftp->hContact, (LPARAM)&ti);

	instance->transfers.remove(ftp);
	delete ftp;

	return res;
}