#include "common.h"

CDropbox::CDropbox()
{
	PROTOCOLDESCRIPTOR pd = { PROTOCOLDESCRIPTOR_V3_SIZE };
	pd.szName = MODULE;
	pd.type = PROTOTYPE_VIRTUAL;
	CallService(MS_PROTO_REGISTERMODULE, 0, (LPARAM)&pd);

	HookEventObj(ME_PROTO_ACK, OnProtoAck, this);
	HookEventObj(ME_SYSTEM_PRESHUTDOWN, OnPreShutdown, this);
	HookEventObj(ME_SYSTEM_MODULESLOADED, OnModulesLoaded, this);

	hFileSentEventHook = CreateHookableEvent(ME_DROPBOX_SENT);

	CreateServiceFunctionObj(MS_DROPBOX_SEND_FILE, SendFileToDropbox, this);

	CreateProtoServiceFunction(MODULE, PS_GETCAPS, ProtoGetCaps);
	CreateProtoServiceFunctionObj(PSS_FILEW, ProtoSendFile, this);
	CreateProtoServiceFunctionObj(PSS_MESSAGE, ProtoSendMessage, this);
	CreateProtoServiceFunctionObj(PSR_MESSAGE, ProtoReceiveMessage, this);

	InitializeIcons();
	InitializeMenus();

	commands["help"] = CDropbox::CommandHelp;
	commands["content"] = CDropbox::CommandContent;
	commands["share"] = CDropbox::CommandShare;
	commands["delete"] = CDropbox::CommandDelete;

	hFileProcess = hMessageProcess = 1;
	hDefaultContact = hTransferContact = 0;
}

CDropbox::~CDropbox()
{
	DestroyHookableEvent(hFileSentEventHook);
}

MCONTACT CDropbox::GetDefaultContact()
{
	if (!hDefaultContact)
		hDefaultContact = db_find_first(MODULE);

	if (!hDefaultContact)
	{
		hDefaultContact = (MCONTACT)CallService(MS_DB_CONTACT_ADD, 0, 0);
		if (!CallService(MS_PROTO_ADDTOCONTACT, hDefaultContact, (LPARAM)MODULE))
		{
			db_set_s(NULL, MODULE, "Nick", MODULE);
			db_set_s(hDefaultContact, MODULE, "Nick", MODULE);
			db_set_ws(hDefaultContact, "CList", "MyHandle", L"Dropbox");

			int status = db_get_w(hDefaultContact, MODULE, "Status", ID_STATUS_OFFLINE);
			if (HasAccessToken() && status == ID_STATUS_OFFLINE)
				db_set_w(hDefaultContact, MODULE, "Status", ID_STATUS_ONLINE);
		}
	}

	return hDefaultContact;
}

bool CDropbox::HasAccessToken()
{
	return db_get_sa(NULL, MODULE, "TokenSecret") != NULL;
}

void CDropbox::RequestAccountInfo()
{
	HttpRequest *request = new HttpRequest(hNetlibUser, REQUEST_GET, DROPBOX_API_URL "/account/info");
	request->AddBearerAuthHeader(db_get_sa(NULL, MODULE, "TokenSecret"));
	mir_ptr<NETLIBHTTPREQUEST> response(request->Send());

	delete request;

	MCONTACT hContact = CDropbox::GetDefaultContact();

	if (response && response->resultCode == HTTP_STATUS_OK)
	{
		JSONNODE *root = json_parse(response->pData);
		if (root)
		{
			JSONNODE *node = json_get(root, "referral_link");
			if (node)
			{
				ptrW referral_link = ptrW(json_as_string(node));
				db_set_ws(hContact, MODULE, "Homepage", referral_link);
			}

			node = json_get(root, "display_name");
			if (node)
			{
				ptrW display_name = ptrW(json_as_string(node));
				wchar_t *sep = wcsrchr(display_name, L' ');
				if (sep)
				{
					db_set_ws(hContact, MODULE, "LastName", sep + 1);
					display_name[wcslen(display_name) - wcslen(sep)] = '\0';
					db_set_ws(hContact, MODULE, "FirstName", display_name);
				}
				else
				{
					db_set_ws(hContact, MODULE, "FirstName", display_name);
					db_unset(hContact, MODULE, "LastName");
				}
			}

			node = json_get(root, "country");
			if (node)
			{
				ptrW isocodeW(json_as_string(node));
				ptrA isocode(mir_u2a(isocodeW));

				if (!strlen(isocode))
					db_unset(hContact, MODULE, "Country");
				else
				{
					char *country = (char *)CallService(MS_UTILS_GETCOUNTRYBYISOCODE, (WPARAM)isocode, 0);
					db_set_s(hContact, MODULE, "Country", country);
				}
			}

			node = json_get(root, "quota_info");
			root = json_as_node(node);
			if (root)
			{
				node = json_get(root, "shared");
				if (node)
					db_set_dw(hContact, MODULE, "SharedQuota", json_as_int(node));
				node = json_get(root, "normal");
				if (node)
					db_set_dw(hContact, MODULE, "NormalQuota", json_as_int(node));
				node = json_get(root, "quota");
				if (node)
					db_set_dw(hContact, MODULE, "TotalQuota", json_as_int(node));
			}
		}
	}

	HandleHttpResponseError(hNetlibUser, response);
}

void CDropbox::DestroyAcceessToken()
{
	HttpRequest *request = new HttpRequest(hNetlibUser, REQUEST_POST, DROPBOX_API_URL "/disable_access_token");
	mir_ptr<NETLIBHTTPREQUEST> response(request->Send());

	delete request;

	MCONTACT hContact = CDropbox::GetDefaultContact();

	db_unset(NULL, MODULE, "TokenSecret");
	if (hContact)
	{
		if (db_get_w(hContact, MODULE, "Status", ID_STATUS_ONLINE) == ID_STATUS_ONLINE)
			db_set_w(hContact, MODULE, "Status", ID_STATUS_OFFLINE);
	}
}

UINT CDropbox::RequestAcceessTokenAsync(void *owner, void* param)
{
	HWND hwndDlg = (HWND)param;
	CDropbox *instance = (CDropbox*)owner;

	EnableWindow(GetDlgItem(hwndDlg, IDC_AUTHORIZE), FALSE);
	SetDlgItemText(hwndDlg, IDC_AUTH_STATUS, TranslateT("in process..."));

	if (instance->HasAccessToken())
		instance->DestroyAcceessToken();

	char requestToken[128];
	GetDlgItemTextA(hwndDlg, IDC_REQUEST_CODE, requestToken, SIZEOF(requestToken));

	char data[1024];
	mir_snprintf(
		data,
		SIZEOF(data),
		"grant_type=authorization_code&code=%s",
		requestToken);

	HttpRequest *request = new HttpRequest(instance->hNetlibUser, REQUEST_POST, DROPBOX_API_URL "/oauth2/token");
	request->AddBasicAuthHeader(DROPBOX_API_KEY, DROPBOX_API_SECRET);
	request->AddHeader("Content-Type", "application/x-www-form-urlencoded");
	request->pData = mir_strdup(data);
	request->dataLength = (int)strlen(data);

	mir_ptr<NETLIBHTTPREQUEST> response(request->Send());

	delete request;

	MCONTACT hContact = instance->GetDefaultContact();

	if (response)
	{
		JSONNODE *root = json_parse(response->pData);
		if (root)
		{
			if (response->resultCode == HTTP_STATUS_OK)
			{
				JSONNODE *node = json_get(root, "access_token");
				ptrA access_token = ptrA(mir_u2a(json_as_string(node)));
				db_set_s(NULL, MODULE, "TokenSecret", access_token);

				if (hContact)
				{
					if (db_get_w(hContact, MODULE, "Status", ID_STATUS_OFFLINE) == ID_STATUS_OFFLINE)
						db_set_w(hContact, MODULE, "Status", ID_STATUS_ONLINE);
				}

				instance->RequestAccountInfo();

				if (hwndDlg)
					SetDlgItemText(hwndDlg, IDC_AUTH_STATUS, TranslateT("you have been authorized"));
				/*else
					ShowNotification(TranslateT("you have been authorized"), MB_ICONINFORMATION);*/
			}
			else
			{
				JSONNODE *node = json_get(root, "error_description");
				ptrW error_description(json_as_string(node));

				if (hwndDlg)
					SetDlgItemText(hwndDlg, IDC_AUTH_STATUS, error_description);
				/*else
					ShowNotification((wchar_t*)error_description, MB_ICONERROR);*/
			}
		}
	}
	else
	{
		if (hwndDlg)
			SetDlgItemText(hwndDlg, IDC_AUTH_STATUS, TranslateT("server does not respond"));

		HandleHttpResponseError(instance->hNetlibUser, response);
	}

	SetDlgItemTextA(hwndDlg, IDC_REQUEST_CODE, "");

	return 0;
}