#include "headers.h"

int Mode;
HWND hwnd2importWindow;

int Openfile(char *outputFile, const char *module)
{
	OPENFILENAME ofn = {0};
	char filename[MAX_PATH] = "";
	char filter[MAX_PATH];
	mir_snprintf(filter, SIZEOF(filter), "%s%c*.ini%c%s%c*.*%c", Translate("INI Files"), 0, 0, Translate("All Files"), 0, 0);
	char *title = Translate("Export to file");

	if (module)
	{
		int n = 0;
		mir_strncpy(filename, module, MAX_PATH);

		while(filename[n])
		{
			switch(filename[n])
			{
				case '*':
				case ':':
				case '/':
				case '?':
				case '|':
				case '\\':
					filename[n] = '_';
					break;
			}
			n++;
		}
	}

	ofn.lStructSize = sizeof(ofn);
	ofn.lpstrFile = filename;
	ofn.lpstrFilter = filter;
	ofn.Flags = OFN_HIDEREADONLY | OFN_SHAREAWARE | OFN_PATHMUSTEXIST | OFN_OVERWRITEPROMPT;
	ofn.lpstrTitle = title;
	ofn.nMaxFile = MAX_PATH;
	ofn.lpstrDefExt = "ini";

	if (!GetSaveFileName(&ofn))
		return 0;
	lstrcpy(outputFile,filename);
	return 1;
}

char* StrReplace (char* Search, char* Replace, char* Resource)
{
	int i = 0;
	int SearchLen = (int)_tcslen(Search);
	char* Work = mir_tstrdup(Replace);
	int ReplaceLen = (int)_tcslen(Work);

	char* Pointer = _tcsstr(Resource, Search);

	while (Pointer != NULL)
	{
		int PointerLen = (int)_tcslen(Pointer);
		int ResourceLen = (int)_tcslen(Resource);

		char* NewText = (char*)mir_calloc((ResourceLen - SearchLen + ReplaceLen + 1)*sizeof(char));

		_tcsncpy(NewText, Resource, ResourceLen - PointerLen);
		_tcscat(NewText, Work);
		_tcscat(NewText, Pointer + SearchLen);

		Resource = (char*)mir_realloc(Resource, (ResourceLen - SearchLen + ReplaceLen + 1)*sizeof(char));

		for (i = 0; i < (ResourceLen - SearchLen + ReplaceLen); i++)
			Resource[i] = NewText[i];
		Resource[i] = 0;
		mir_free(NewText);

		Pointer = _tcsstr(Resource + (ResourceLen - PointerLen + ReplaceLen), Search);
	}
	mir_free(Work);

	return Resource;
}

void exportModule(MCONTACT hContact, char* module, FILE* file)
{
	char tmp[32];
	ModuleSettingLL settinglist;
	ModSetLinkLinkItem *setting;

	EnumSettings(hContact,module,&settinglist);

	// print the module header..
	fprintf(file, "\n[%s]", module);
	setting = settinglist.first;
	while(setting)
	{
		DBVARIANT dbv;
		if (!GetSetting(hContact, module, setting->name, &dbv))
		{
			switch (dbv.type)
			{
				case DBVT_BYTE:
					fprintf(file, "\n%s=b%s", setting->name, itoa(dbv.bVal,tmp,10));
					db_free(&dbv);
					break;
				case DBVT_WORD:
					fprintf(file, "\n%s=w%s", setting->name, itoa(dbv.wVal,tmp,10));
					db_free(&dbv);
					break;
				case DBVT_DWORD:
					fprintf(file, "\n%s=d%s", setting->name, itoa(dbv.dVal,tmp,10));
					db_free(&dbv);
					break;
				case DBVT_ASCIIZ:
				case DBVT_UTF8:
						if (strchr(dbv.pszVal, '\r'))
						{
							char *end = StrReplace("\\", "\\\\", dbv.pszVal);
							end = StrReplace("\r", "\\r", end);
							end = StrReplace("\n", "\\n", end);
							fprintf(file, "\n%s=g%s", setting->name, end);
							break;
						}
						if (dbv.type == DBVT_UTF8)
							fprintf(file, "\n%s=u%s", setting->name, dbv.pszVal);
						else
							fprintf(file, "\n%s=s%s", setting->name, dbv.pszVal);
						db_free(&dbv);
						break;
				case DBVT_BLOB:
				{
					int j;
					char *data = NULL;
					if (!(data = (char*)mir_alloc( 3*(dbv.cpbVal+1)*sizeof(char))))
						break;
					data[0] = '\0';
					for (j=0; j<dbv.cpbVal; j++)
					{
						char tmp[16];
						mir_snprintf(tmp, SIZEOF(tmp), "%02X ", (BYTE)dbv.pbVal[j]);
						strcat(data, tmp);
					}
					fprintf(file,"\n%s=n%s",setting->name , data);
					mir_free(data);
				}
				db_free(&dbv);
				break;
			}
		}
		setting = (ModSetLinkLinkItem *)setting->next;
	}
	FreeModuleSettingLL(&settinglist);
}

char *NickFromHContact(MCONTACT hContact)
{
	static char nick[512] = "";

	if (hContact)
	{
		char szProto[256];
		int loaded = 0;

		if (GetValue(hContact,"Protocol","p",szProto,SIZEOF(szProto)))
			loaded = IsProtocolLoaded(szProto);

		if (!szProto[0] || !loaded)
		{
			char name[256];

			if (szProto[0])
			{
				if (GetValue(hContact,szProto,"Nick",name,SIZEOF(name)))
					mir_snprintf(nick, SIZEOF(nick),"%s (%s)", name, szProto);
				else
					mir_snprintf(nick, SIZEOF(nick),"(UNKNOWN) (%s)", szProto);
			}
			else
				mir_snprintf(nick, SIZEOF(nick),"(UNKNOWN)");
		}
		else
		{
			char *uid = (char*)CallProtoService(szProto, PS_GETCAPS, PFLAG_UNIQUEIDSETTING, 0);
			if ((INT_PTR)uid != CALLSERVICE_NOTFOUND && uid) {
				char szUID[256];
				GetValue(hContact, szProto, uid, szUID, SIZEOF(szUID));
				mir_snprintf(nick, SIZEOF(nick), "%s *(%s)*<%s>*{%s}*", (char*)GetContactName(hContact,szProto,0), szProto, uid, szUID);
			}
			else mir_snprintf(nick, SIZEOF(nick), "%s (%s)", (char*)GetContactName(hContact,szProto,0), szProto);
		}
	}

	return nick;
}
// hContact == -1 export entire db. module == NULL export entire contact.
// hContact == -1, module == "" - all contacts
void exportDB(MCONTACT hContact, char *module)
{
	int nullcontactDone = 0;
	ModSetLinkLinkItem *mod;

	// enum all the modules
	ModuleSettingLL modlist;
	if (!EnumModules(&modlist)) {
		msg(Translate("Error loading module list"),modFullname);
		return;
	}

	char fileName[MAX_PATH];
	if (Openfile(fileName, (hContact==INVALID_CONTACT_ID)?NULL:module))
	{
		FILE *file = fopen(fileName, "wt");
		if (!file) {
			msg(Translate("Couldn't open file for writing"), modFullname);
			return;
		}

		SetCursor(LoadCursor(NULL,IDC_WAIT));

		// exporting entire db
		if (hContact == INVALID_CONTACT_ID)
		{
			hContact = NULL;

			if (module == NULL)
			{
				fprintf(file, "SETTINGS:\n");
				mod = modlist.first;
				while(mod)
				{
					if (IsModuleEmpty(hContact, mod->name))
					{
						mod = (ModSetLinkLinkItem *)mod->next;
						continue;
					}
					exportModule(hContact, mod->name, file);
					mod = (ModSetLinkLinkItem *)mod->next;
					if (mod)
						fprintf(file, "\n");
				}
			}
			else
			{
				if (module == "") module = NULL; // reset module for all contacts export
			}

			hContact = db_find_first();

			while (hContact)
			{
				if (!hContact) continue;

				// filter
				if (Mode != MODE_ALL)
				{
					char szProto[256];
					int loaded = 0;

					if (GetValue(hContact,"Protocol","p",szProto,SIZEOF(szProto)))
						loaded = IsProtocolLoaded(szProto);

					if ((loaded && Mode == MODE_UNLOADED) || (!loaded && Mode == MODE_LOADED))
					{
						hContact = db_find_next(hContact);
						continue;
					}
				}

				fprintf(file, "CONTACT: %s\n", NickFromHContact(hContact));

				if (module == NULL) // export all modules
				{
					mod = modlist.first;
					while(mod)
					{
						if (IsModuleEmpty(hContact, mod->name))
						{
							mod = (ModSetLinkLinkItem *)mod->next;
							continue;
						}
						exportModule(hContact, mod->name, file);
						mod = (ModSetLinkLinkItem *)mod->next;
						if (mod)
							fprintf(file, "\n");
					}
				}
				else // export module
				{
					exportModule(hContact, module, file);
				}
				hContact = db_find_next(hContact);
			}
		}
		// exporting a contact
		else
		{
			if (!module) // exporting every module
			{
				if (hContact)
					fprintf(file, "CONTACT: %s\n", NickFromHContact(hContact));
				else
					fprintf(file, "SETTINGS:\n");

				mod = modlist.first;
				while(mod)
				{
					if (IsModuleEmpty(hContact, mod->name))
					{
						mod = (ModSetLinkLinkItem *)mod->next;
						continue;
					}
					exportModule(hContact, mod->name, file);
					mod = (ModSetLinkLinkItem *)mod->next;
					if (mod)
						fprintf(file, "\n");
				}
			}
			else
			{
				if (hContact)
					fprintf(file, "FROM CONTACT: %s\n", NickFromHContact(hContact));
				else
					fprintf(file, "SETTINGS:\n");

				exportModule(hContact, module, file);
			}
		}
		fclose(file);

		SetCursor(LoadCursor(NULL,IDC_ARROW));
	}

	FreeModuleSettingLL(&modlist);
}

MCONTACT CheckNewContact(char *myProto, char *uid, char *myName)
{
	char szProto[256], szName[256];

	for (MCONTACT hContact = db_find_first(); hContact; hContact = db_find_next(hContact))
		if (DBGetContactSettingStringStatic(hContact, "Protocol", "p", szProto, 256))
			if (!mir_strcmp(szProto, myProto))
				if (GetValue(hContact, szProto, uid, szName, SIZEOF(szName)) && !mir_strcmp(szName, myName))
					return hContact;

	return INVALID_CONTACT_ID;
}

void importSettings(MCONTACT hContact, char *importstring )
{
	char module[256] = "", setting[256] = "", *end;
	int i=0, value, type;
	importstring = strtok(importstring, "\n");

	SetCursor(LoadCursor(NULL,IDC_WAIT));

	while (importstring != NULL)
	{
		i=0;
		rtrim(importstring);
		if (importstring[i] == '\0')
		{
			importstring = strtok(NULL, "\n");
			continue;
		}
		else if (!strncmp(&importstring[i],"SETTINGS:",strlen("SETTINGS:")))
		{
			importstring = strtok(NULL, "\n");
			continue;
		}
		else if (!strncmp(&importstring[i],"CONTACT:", strlen("CONTACT:")))
		{
			int len, add = 1;
			hContact = INVALID_CONTACT_ID;

			i = i + (int)strlen("CONTACT:");
			len = (int)strlen(&importstring[i]);

			if (len > 10) {
				char uid[256]="",szUID[256]="",szProto[512]="";
				char *p1,*p2;

				p1 = strrchr(&importstring[i], '>*{');
				p2 = strrchr(&importstring[i], '}*');

				if (p1 && p2 && p1+3 < p2 && p2-p1 < SIZEOF(szUID)) {
					strncpy(szUID, p1+1, p2-p1-2);

					p1 = strrchr(&importstring[i], ')*<');
					p2 = strrchr(&importstring[i], '>*{');

					if (p1 && p2 && p1+3 < p2 && p2-p1 < SIZEOF(uid)) {
						strncpy(uid, p1+1, p2-p1-3);

						p1 = strrchr(&importstring[i], ' *(');
						p2 = strrchr(&importstring[i], ')*<');

						if (p1 && p2 && p1+3 < p2 && p2-p1 < SIZEOF(szProto)) {
							char *protouid;
							strncpy(szProto, p1+1, p2-p1-3);

							protouid = (char*)CallProtoService(szProto,PS_GETCAPS,PFLAG_UNIQUEIDSETTING,0);
							if ((INT_PTR)protouid != CALLSERVICE_NOTFOUND) {
								if (!mir_strcmp(protouid, uid))
									hContact = CheckNewContact(szProto, uid, szUID);
							}
							else hContact = CheckNewContact(szProto, uid, szUID);
						}
					}
				}
			}

			if (hContact == INVALID_CONTACT_ID)
			{
				MCONTACT temp = (MCONTACT)CallService(MS_DB_CONTACT_ADD, 0, 0);
				if (temp)
					hContact = temp;
			}
		}
		else if (importstring[i] == '[' && !strchr(&importstring[i+1],'='))// get the module
		{
			if (end = strpbrk(&importstring[i+1], "]")) {
				if ((end+1) != '\0') *end = '\0';
				strcpy(module, &importstring[i+1]);
			}
		}
		else if (importstring[i] == '-' && importstring[i+1] == '[' &&
			!strchr(&importstring[i+2],'='))// get the module
		{
			if (end = strpbrk(&importstring[i+2], "]")) {
				if ((end+1) != '\0') *end = '\0';
				strcpy(module, &importstring[i+2]);
				deleteModule(module, hContact, 1);
			}
		}
		else if (strstr(&importstring[i], "=") && module[0]) // get the setting
		{
			if (end = strpbrk(&importstring[i+1], "=")) {
				if ((end+1) != '\0') *end = '\0';
				strcpy(setting, &importstring[i]);

				// get the type
				type = *(end+1);
				if (lstrcmp(module, "CList") == 0 && lstrcmp(setting, "Group") == 0)
				{
					WCHAR* GroupName = mir_a2u(end+2);
					if (!GroupName)
						continue;
					HANDLE GroupHandle = (HANDLE)CallService(MS_CLIST_GROUPEXISTS, 0, LPARAM(GroupName));
					if(GroupHandle == 0) {
						GroupHandle = (HANDLE)CallService(MS_CLIST_GROUPCREATE, 0, (LPARAM)GroupName);

						if(GroupHandle) {
							CallService(MS_CLUI_GROUPADDED, (WPARAM)GroupHandle, 0);
							CallService(MS_CLIST_GROUPSETEXPANDED, (WPARAM)GroupHandle, 1);
						}
					}
					mir_free(GroupName);
				}
				switch (type)
				{
					case 'b':
					case 'B':
						if (sscanf((end+2), "%d", &value) == 1)
							db_set_b(hContact, module, setting, (BYTE)value);
						break;
					case 'w':
					case 'W':
						if (sscanf((end+2), "%d", &value) == 1)
							db_set_w(hContact, module, setting, (WORD)value);
						break;
					case 'd':
					case 'D':
						if (sscanf((end+2), "%d", &value) == 1)
							db_set_dw(hContact, module, setting, (DWORD)value);
						break;
					case 's':
					case 'S':
						db_set_s(hContact,module, setting, (end+2));
						break;
					case 'g':
					case 'G':
						{
							char *pstr;
							for(pstr=end+2;*pstr;pstr++) {
								if (*pstr=='\\') {
									switch(pstr[1]) {
									case 'n': *pstr='\n'; break;
									case 't': *pstr='\t'; break;
									case 'r': *pstr='\r'; break;
									default:  *pstr=pstr[1]; break;
									}
									MoveMemory(pstr+1,pstr+2,lstrlenA(pstr+2)+1);
								}
							}
						}
					case 'u':
					case 'U':
						db_set_utf(hContact,module, setting, (end+2));
						break;
					case 'l':
					case 'L':
					case '-':
						db_unset(hContact, module, setting);
						break;
					case 'n':
					case 'N':
						WriteBlobFromString(hContact, module, setting, (end+2), (int)strlen((end+2)));
						break;
				}
			}
		}
		importstring = strtok(NULL, "\n");
	}
	SetCursor(LoadCursor(NULL,IDC_ARROW));
}

INT_PTR CALLBACK ImportDlgProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	switch(msg)
	{
		case WM_INITDIALOG:
		{
			hwnd2importWindow = hwnd;
			SetWindowLongPtr(hwnd,GWLP_USERDATA,lParam);
			TranslateDialogDefault(hwnd);
			SendDlgItemMessage(hwnd, IDC_TEXT, EM_LIMITTEXT, (WPARAM)sizeof(TCHAR)*0x7FFFFFFF, 0);
		}
		break;

		case WM_COMMAND:
		{
			switch(LOWORD(wParam))
			{
				case IDC_CRLF:
				{
					int length = GetWindowTextLength(GetDlgItem(hwnd, IDC_TEXT));
					char *string = (char*)_alloca(length+3);
					int Pos = 2;

					if (length)
					{
						int	Range = SendDlgItemMessage(hwnd,IDC_TEXT,EM_GETSEL,0,0);
						int Min = LOWORD(Range);
						int Max = HIWORD(Range);

						GetDlgItemText(hwnd, IDC_TEXT, string, length+1);

						if (Min == -1)
							memcpy(string, crlf_string, SIZEOF(crlf_string));
						else
						if (Max == -1 || Max >= length)
							memcpy(&string[Min], crlf_string, SIZEOF(crlf_string));
						else
						if (Max-Min > 2)
						{
							memcpy(&string[Min], crlf_string, SIZEOF(crlf_string));
							memmove(&string[Min+2], &string[Max], length - Max + 1);
						}
						else
						{
							memmove(&string[Min+2], &string[Max], length - Max + 1);
							memcpy(&string[Min], crlf_string, SIZEOF(crlf_string));
						}

						if (Min) Pos += Min;
					}
					else
						memcpy(string, crlf_string, SIZEOF(crlf_string));

					SetDlgItemText(hwnd, IDC_TEXT, string);
					SendDlgItemMessage(hwnd,IDC_TEXT,EM_SETSEL,Pos,Pos);
					SetFocus(GetDlgItem(hwnd, IDC_TEXT));
				}
				break;
				
				case IDOK:
				{
					MCONTACT hContact = (MCONTACT)GetWindowLongPtr(hwnd, GWLP_USERDATA);
					int length = GetWindowTextLength(GetDlgItem(hwnd, IDC_TEXT));
					if (length)
					{
						char *string = (char*)_alloca(length+1);
						if (!string) {
							msg(Translate("Couldn't allocate enough memory!"), modFullname);
							DestroyWindow(hwnd);
						}
						GetDlgItemText(hwnd, IDC_TEXT, string, length+1);
						importSettings(hContact, string);
						refreshTree(1);
					}
				}
				break;
				
				case IDCANCEL:
					DestroyWindow(hwnd);
					hwnd2importWindow = 0;
				break;
			}
		}
		break;
	}
	return 0;
}

void ImportSettingsMenuItem(MCONTACT hContact)
{
	if (hwnd2importWindow)
		DestroyWindow(hwnd2importWindow);

	CreateDialogParam(hInst, MAKEINTRESOURCE(IDD_IMPORT), 0, ImportDlgProc, hContact);
}

int Openfile2Import(char *outputFiles)
{
	OPENFILENAME ofn = {0};
	char filter[MAX_PATH];
	mir_snprintf(filter, SIZEOF(filter), "%s%c*.ini%c%s%c*.*%c", Translate("INI Files"), 0, 0, Translate("All Files"), 0, 0);
	char *title = Translate("Import from files");

	ofn.lStructSize = OPENFILENAME_SIZE_VERSION_400;
	ofn.lpstrFilter = filter;
	ofn.hwndOwner = 0;
	ofn.lpstrFile = outputFiles;
	ofn.nMaxFile = MAX_PATH*10;
	ofn.nMaxFileTitle = MAX_PATH;
	ofn.Flags = OFN_HIDEREADONLY | OFN_SHAREAWARE | OFN_PATHMUSTEXIST | OFN_ALLOWMULTISELECT | OFN_EXPLORER;
	ofn.lpstrTitle = title;
	if (!GetOpenFileName(&ofn))
		return 0;

	return ofn.nFileOffset;
}

BOOL Exists(LPCTSTR strName)
{
	return GetFileAttributes(strName) != INVALID_FILE_ATTRIBUTES;
}

void ImportSettingsFromFileMenuItem(MCONTACT hContact, char* FilePath)
{
	char szFileNames[MAX_PATH*10] = {0};
	char szPath[MAX_PATH] = "";
	char szFile[MAX_PATH];
	int index = 0;
	HANDLE hFile, hMap;
	PBYTE pFile = NULL;
	DWORD offset = 0;
	if (lstrcmp(FilePath, "") == 0)
		offset = Openfile2Import(szFileNames);
	else
	{
		if(Exists(FilePath))
			lstrcpy(szFileNames, FilePath);
		else
			lstrcpy(szFileNames, "");
	}

	if (!lstrcmp(szFileNames, "") == 0)
	{
		if ((DWORD)lstrlenA(szFileNames) < offset)
		{
			index += offset;
			strncpy(szPath, szFileNames, offset);
			strcat(szPath, "\\");
		}

		while(szFileNames[index])
		{
			strcpy(szFile, szPath);
			strcat(szFile, &szFileNames[index]);
			index += (int)strlen(&szFileNames[index])+1;

			hFile = CreateFile(szFile, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, NULL);
			if (hFile != INVALID_HANDLE_VALUE)
			{
				if (GetFileSize(hFile,  NULL) > 0)
				{
					hMap = CreateFileMapping(hFile, NULL, PAGE_READONLY, 0, 0, NULL);

					if (hMap) {
						pFile = (PBYTE)MapViewOfFile(hMap, FILE_MAP_COPY, 0, 0 ,0);

						if (pFile) {
							importSettings(hContact, (char*)pFile);
							UnmapViewOfFile(pFile);
						}
						CloseHandle(hMap);
					}

				}
				CloseHandle(hFile);
			}
			else
				break;

		}
		if (lstrcmp(FilePath, "") == 0)
			refreshTree(1);
	}
}