#include "headers.h"

static int working;
static HWND hwnd2Delete = NULL;

int deleteModule(char* module, HCONTACT hContact, int fromMenu)
{
	char msg[1024];
	ModuleSettingLL settinglist;
	ModSetLinkLinkItem *setting;

	if (!module) return 0;

	if (!fromMenu) {
		mir_snprintf(msg, SIZEOF(msg), Translate("Are you sure you want to delete module \"%s\"?"), module);
		if (db_get_b(NULL,modname, "WarnOnDelete",1))
			if (MessageBox(0,msg, Translate("Confirm Module Deletion"), MB_YESNO|MB_ICONEXCLAMATION) == IDNO)
				return 0;
	}

	if (!EnumSettings(hContact,module,&settinglist)) return 0;

	setting = settinglist.first;
	while (setting)
	{
		db_unset(hContact, module, setting->name);
		setting = setting->next;
	}
	FreeModuleSettingLL(&settinglist);
	return 1;
}

void __cdecl PopulateModuleDropListThreadFunc(LPVOID di)
{
	HWND hwnd = (HWND)di;
	ModuleSettingLL msll;
	ModSetLinkLinkItem *module;
	int moduleEmpty;
	if (!EnumModules(&msll)) DestroyWindow(hwnd);
	module = msll.first;
	while (module && working) {
		moduleEmpty = 1;
		// check the null
		if (!IsModuleEmpty(NULL,module->name)) {
			SendDlgItemMessage(hwnd,IDC_CONTACTS,CB_ADDSTRING,0,(LPARAM)module->name);
			moduleEmpty = 0;
			module = module->next;
			continue;
		}
		for (HCONTACT hContact = db_find_first();moduleEmpty && hContact;hContact = db_find_next(hContact)) {
			if (!IsModuleEmpty(hContact,module->name)) {
				SendDlgItemMessage(hwnd,IDC_CONTACTS,CB_ADDSTRING,0,(LPARAM)module->name);
				moduleEmpty = 0;
				break;
			}
		}

		module = module->next;
		SendDlgItemMessage(hwnd,IDC_CONTACTS,CB_SETCURSEL,0,0);
	}
	SendDlgItemMessage(hwnd,IDC_CONTACTS,CB_SETCURSEL,0,0);
	FreeModuleSettingLL(&msll);
	SetWindowText(hwnd,Translate("Delete module from Database"));
	EnableWindow(GetDlgItem(hwnd,IDC_CONTACTS),1);
	EnableWindow(GetDlgItem(hwnd,IDOK),1);
	EnableWindow(GetDlgItem(hwnd,IDCANCEL),1);

	if (!working)
		PostMessage(hwnd, WM_COMMAND, (WPARAM)IDCANCEL, 0);
	else
		working = 2;
}

INT_PTR CALLBACK DeleteModuleDlgProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	switch(msg) {
	case WM_INITDIALOG:
		SetWindowText(hwnd,Translate("Delete module from Database... Loading"));
		EnableWindow(GetDlgItem(hwnd,IDC_CONTACTS),0);
		EnableWindow(GetDlgItem(hwnd,IDOK),0);
		SetDlgItemText(hwnd,IDC_INFOTEXT, Translate("Delete module from Database"));
		SetDlgItemText(hwnd,CHK_COPY2ALL, Translate("Delete module from all contacts (Includes Setting)"));
		EnableWindow(GetDlgItem(hwnd,CHK_COPY2ALL),0);
		CheckDlgButton(hwnd,CHK_COPY2ALL,1);
		TranslateDialogDefault(hwnd);
		working = 1;
		forkthread(PopulateModuleDropListThreadFunc,0,hwnd);
		return TRUE;

	case WM_COMMAND:
		switch(LOWORD(wParam)) {
		case IDOK:
			{
				char text[128];
				GetDlgItemText(hwnd,IDC_CONTACTS,text,128);
				SetCursor(LoadCursor(NULL,IDC_WAIT));
				for (HCONTACT hContact = db_find_first(); hContact; hContact = db_find_next(hContact))
					deleteModule(text,hContact,1);

				// do the null
				deleteModule(text,NULL,1);
				SetCursor(LoadCursor(NULL,IDC_ARROW));
				refreshTree(1);
			}
			// fall through
		case IDCANCEL:
			if (working == 1) {
				working = 0;
				EnableWindow(GetDlgItem(hwnd,IDCANCEL),0);
			}
			else DestroyWindow(hwnd);
		}
		break;

	case WM_DESTROY:
		hwnd2Delete = NULL;
		break;
	}
	return 0;
}

void deleteModuleGui()
{
    if (!hwnd2Delete)
		hwnd2Delete = CreateDialogParam(hInst, MAKEINTRESOURCE(IDD_COPY_MOD), hwnd2mainWindow, DeleteModuleDlgProc, 0);
	else
		SetForegroundWindow(hwnd2Delete);
}