// frmPreferences.cpp - Preferences form.
//
// (c) 2012-2015 Xestia Software Development.
//
// This file is part of Xestia Address Book.
//
// Xestia Address Book is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by the
// Free Software Foundation, version 3 of the license.
//
// Xestia Address Book is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with Xestia Address Book. If not, see <http://www.gnu.org/licenses/>

#include "frmPreferences.h"
#include "frmEditAccount.h"	
#include "frmNewAccount.h"
#include "frmMain.h"
#include "common/preferences.h"
#include "common/dirs.h"
#include "bitmaps.h"

#include "import/import.h"
#include "export/export.h"

#include <wx/wx.h>
#include <wx/mstream.h>
#include <wx/dialog.h>
#include <wx/msgdlg.h>
#include <wx/fileconf.h>

frmPreferences::frmPreferences( wxWindow* parent )
:
frmPreferencesADT( parent )
{

	// Setup the preferences window.
	
	wxMemoryInputStream astream(icons_accinet_png, sizeof(icons_accinet_png));
	wxMemoryInputStream bstream(icons_acclocal_png, sizeof(icons_acclocal_png));
	wxMemoryInputStream cstream(icons_accunsupported_png, sizeof(icons_accunsupported_png));
	wxMemoryInputStream windowposstream(icons_windowpos_png, sizeof(icons_windowpos_png));
	wxMemoryInputStream hideaddressbooksstream(icons_hideaddressbooks_png, sizeof(icons_hideaddressbooks_png));

	wxImage icons_windowpos_png(windowposstream, wxBITMAP_TYPE_PNG);
	wxBitmap WindowPosition(icons_windowpos_png, -1);

	wxImage icons_hideaddressbooks_png(hideaddressbooksstream, wxBITMAP_TYPE_PNG);
	wxBitmap HideAddressBooks(icons_hideaddressbooks_png, -1);
	
	bmpWindowPosition->SetBitmap(WindowPosition);
	bmpLocalAddressBooks->SetBitmap(HideAddressBooks);
	
	wxImage icons_accinet_png(astream, wxBITMAP_TYPE_PNG);
	wxBitmap AccInet(icons_accinet_png, -1);
	wxIcon wxIAccInet;
	wxIAccInet.CopyFromBitmap(AccInet);

	wxImage icons_acclocal_png(bstream, wxBITMAP_TYPE_PNG);
	wxBitmap AccNIcon(icons_acclocal_png, -1);
	wxIcon wxIAccNIcon;
	wxIAccNIcon.CopyFromBitmap(AccNIcon);

	wxImage icons_accunsupported_png(cstream, wxBITMAP_TYPE_PNG);
	wxBitmap AccUIcon(icons_accunsupported_png, -1);
	wxIcon wxIAccUIcon;
	wxIAccUIcon.CopyFromBitmap(AccUIcon);
	
	AccountID = AccImgList->Add(wxIAccNIcon);
	AccountNetID = AccImgList->Add(wxIAccInet);
	AccountUnsupportedID = AccImgList->Add(wxIAccUIcon);

	NbtPreferences->RemovePage(1);

}

frmPreferences::~frmPreferences(){

	// Destory the preferences window.
	
	delete AccImgList;
	AccImgList = NULL;

}

void frmPreferences::EnableABButtons( wxListEvent& event )
{
	
	// Enable the account buttons.
	
	btnAccountModify->Enable(TRUE);
	btnAccountDelete->Enable(TRUE);
	
}

void frmPreferences::DisableABButtons( wxListEvent& event )
{
	
	// Disable the account buttons.
	
	btnAccountModify->Enable(FALSE);
	btnAccountDelete->Enable(FALSE);
	
}

void frmPreferences::AddABAccount(wxCommandEvent& event)
{

	// Add new account.
	
	bool ReloadAccountsData = FALSE;

	frmNewAccount *frameNewAccount = new frmNewAccount(this);
	frameNewAccount->SetupPointers(&ReloadAccountsData);
	frameNewAccount->ShowModal();
	delete frameNewAccount;
	frameNewAccount = NULL;

	if (ReloadAccountsData == TRUE){

		// Reload the accounts as a change has been made within
		// the application.

		ReloadAccounts();
		*ReloadAccountConfig = TRUE;

	}

}

void frmPreferences::ModifyABAccount( wxCommandEvent& event )
{

	// Get the settings for the account, setup the form for
	// editing the account and then display the window
	// with the settings.
    
	long lstAccountsIndex = -1;
	wxString AccFilename = GetAccountsFile();
	wxString AccName;
	wxString AccType;
    
	// Check if an account has been selected before continuing.
	
	lstAccountsIndex = lstAccounts->GetNextItem(lstAccountsIndex,
		wxLIST_NEXT_ALL,
		wxLIST_STATE_SELECTED);
	
	if (lstAccountsIndex == -1){
		
		// No account has been selected so exit this subroutine.
		
		return;
		
	}
	
	wxFileConfig *cfgfile = new wxFileConfig("", "", AccFilename);
	
	// Check that the account type is a supported account type.
	
	AccType = preferences->accounts.GetAccountType((int)lstAccountsIndex);
	
	if (AccType != "CardDAV" && AccType != "carddav" &&
		AccType != "Local" && AccType != "local"){
	
		wxMessageBox(_("Cannot modify the selected account settings as the account type is unsupported."), _("Unsupported account type"), wxICON_ERROR);
		return;
			
	}
	
	// Get the account name.
    
	AccName = preferences->accounts.GetAccountName((int)lstAccountsIndex);
    
	frmEditAccount *frameEditAccount = new frmEditAccount ( this );
	frameEditAccount->LoadPointers(cfgfile);
	frameEditAccount->LoadSettings(AccName);
	frameEditAccount->ShowModal();

	bool DialogResult = frameEditAccount->GetDialogResult();

	delete frameEditAccount;
	frameEditAccount = NULL;
	delete cfgfile;
	cfgfile = NULL;

	if (DialogResult == false){
		return;
	}

	// Reload the account list in the preferences window.

	ReloadAccounts();
	*ReloadAccountConfig = TRUE;
	btnAccountModify->Enable(FALSE);
	btnAccountDelete->Enable(FALSE);
    
}

void frmPreferences::ModifyABAccount( wxMouseEvent& event )
{
	
	wxCommandEvent NullEvent;
	ModifyABAccount(NullEvent);
	
}

void frmPreferences::DeleteABAccount( wxCommandEvent& event )
{
	// Display a confirmation dialog to confirm deletion.
    
	long lstAccountsIndex = -1;
	wxMessageDialog dlgdel(this, wxT("Are you sure you want to delete this account?\r\n\r\nAll data that is stored locally will be removed."), wxT("Delete account"), wxYES_NO | wxICON_EXCLAMATION);
    
	if (dlgdel.ShowModal() == wxID_YES){
		
		// Remove the selected item from the accounts list
		// and mark in the accounts list as deleted (Don't write to
		// accounts file).
	
		lstAccountsIndex = lstAccounts->GetNextItem(lstAccountsIndex,
			wxLIST_NEXT_ALL,
                        wxLIST_STATE_SELECTED);
	
		bool ContinueAcc = TRUE;
		wxString AccountDir;
		wxString AccountType;
		wxString AccountDirFull;
		wxString AccountDirDelFull;
		wxString AccountName;
		wxString AccName;
		long itemindex = 0;
	
		wxString AccFilename = GetAccountsFile();
    
		wxFileConfig *cfgfile = new wxFileConfig("", "", AccFilename);
	
		AccName = preferences->accounts.GetAccountName((int)lstAccountsIndex);
	
		// Get the account directory name and account type..
	
		ContinueAcc = cfgfile->GetFirstGroup(AccountName, itemindex);
	
		while (ContinueAcc){

			if (AccountName == AccName){

				cfgfile->SetPath(AccountName);
			
				cfgfile->Read("accountdir", &AccountDir);
				cfgfile->Read("type", &AccountType);
		
				break;

			}
		
			cfgfile->SetPath(wxT("/"));
			ContinueAcc = cfgfile->GetNextGroup(AccountName, itemindex);
	
		}
	
		AccountDirFull.Append(AccountDir);
		AccountDirFull.Append(wxT("."));
	
		if (AccountType == wxT("CardDAV")){
	
			AccountDirFull.Append(wxT("local"));
	
		} else if (AccountType == wxT("Local")){
	
			AccountDirFull.Append(wxT("carddav"));
	
		} else {
			
			AccountDirFull.Append(AccountType.Lower());
			
		}
	
		lstAccounts->DeleteItem(lstAccountsIndex);
	
		// Delete the directory that contains the account information.
	
		if (!AccountDirFull.IsEmpty()){
	
			AccountDirDelFull.Append(wxString::FromUTF8(getenv("HOME")));
			AccountDirDelFull.Append(wxT("/.xestiaab/accounts/"));
			AccountDirDelFull.Append(AccountDirFull);
	
			wxRmDir(AccountDirDelFull);
	
		}
	
		// Delete the account from the configuration file.
	
		cfgfile->SetPath(wxT("/"));
		cfgfile->DeleteGroup(AccountName);
		cfgfile->Flush();
	
		// Set flag for reloading accounts on window closure.
    
		*ReloadAccountConfig = TRUE;
    
	}

	btnAccountModify->Enable(FALSE);
	btnAccountDelete->Enable(FALSE);
	
}

void frmPreferences::LoadPreferences( wxInitDialogEvent& event )
{

	// Setup the preferences filename string. Default is the
	// *nix systems one (/home/$USER/.xestiaab/preferences)
    
	preffilename = GetUserPrefDir();

	preferences = new XABPreferences(preffilename);
  
	// Setup the General Tab.
    
	bool SaveWindowPos = preferences->GetBoolData(wxT("SaveWindowPosition"));
	bool HideLocalABs = preferences->GetBoolData(wxT("HideLocalAddressBooks"));
	bool UseBackgroundContactColour = preferences->GetBoolData(wxT("UseBackgroundContactColour"));
    
	if (SaveWindowPos == true){
    
		chkSaveWindowPosition->SetValue(true);
    
	}
    
	if (HideLocalABs == true){
    
		chkHideLocal->SetValue(true);
    
	}
    
	if (UseBackgroundContactColour == true){
		
		chkUseBackgroundColour->SetValue(true);
		clpContactBackgroundColour->SetColour(preferences->GetBackgroundContactColourData());
		
	} else {
		
		clpContactBackgroundColour->Enable(false);
		
	}
	
	// Setup the Themes tab.

	wxListItem themecol0;
    
	themecol0.SetId(0);
	themecol0.SetWidth(250);
	themecol0.SetText(_("Theme"));
	lstThemes->InsertColumn(0,themecol0);
    
	// Setup the Accounts tab.
    
	ReloadAccounts();   
    
}

void frmPreferences::ReloadAccounts(){

	// Reload the accounts in the accounts list.
	
	if (FirstLoad == FALSE){
		delete preferences;
		preferences = NULL;
		preferences = new XABPreferences(preffilename);    
	} else {
		FirstLoad = FALSE;
	}

	wxListItem accountscol0, accountscol1, accountscol2, accountscol3;

	lstAccounts->ClearAll();

	accountscol0.SetId(0);
	accountscol0.SetWidth(24);
	lstAccounts->InsertColumn(0,accountscol0);
	lstAccounts->SetImageList(AccImgList, wxIMAGE_LIST_SMALL);

	accountscol1.SetId(1);
	accountscol1.SetText(_("Name"));
	accountscol1.SetWidth(224);    
	lstAccounts->InsertColumn(1,accountscol1);   

	accountscol2.SetId(2);
	accountscol2.SetText(_("Type"));
	accountscol2.SetWidth(96);
	lstAccounts->InsertColumn(2,accountscol2);
    
	wxString AccType;
    
	for (int i = 0; i < preferences->accounts.GetCount() ; i++){

		wxListItem col0;
		col0.SetId(i);
		
		if (preferences->accounts.GetAccountType(i) == wxT("CardDAV")){
	
			col0.SetImage(AccountNetID);
	
		} else if (preferences->accounts.GetAccountType(i) == wxT("Local")){
	
			col0.SetImage(AccountID);
	
		} else {

			col0.SetImage(AccountUnsupportedID);
			
		}
	
		long itemindex = lstAccounts->InsertItem( col0 );
	
		lstAccounts->SetItem(itemindex, 1, preferences->accounts.GetAccountName(i));
		lstAccounts->SetItem(itemindex, 2, preferences->accounts.GetAccountType(i));
	
	}
    
}

void frmPreferences::SetupPointers(bool *ReloadAccountInc){

	// Setup the pointers for the preferences form.
	
	ReloadAccountConfig = ReloadAccountInc;

}

void frmPreferences::SavePreferences(wxCommandEvent &event){

	// Load up the preferences file.

	wxString SetFilename = GetSettingsFile();

	wxFileConfig *cfgfile = new wxFileConfig("", "", SetFilename);

	// Update the settings file.
		
	cfgfile->DeleteEntry(wxT("SaveWindowPosition"));
	cfgfile->DeleteEntry(wxT("WindowPositionX"));
	cfgfile->DeleteEntry(wxT("WindowPositionY"));
	cfgfile->DeleteEntry(wxT("WindowPositionHeight"));
	cfgfile->DeleteEntry(wxT("WindowPositionWidth"));
	
	if (chkSaveWindowPosition->GetValue() == TRUE){
	
		cfgfile->Write(wxT("SaveWindowPosition"), wxT("true"));
	
		// Get parent window details.
		
		frmMain *frmMainPtr = (frmMain*)this->GetParent();

		// Get main window position data and save it.
	
		wxRect frmMainPos = frmMainPtr->GetRect();
	
		cfgfile->Write(wxT("WindowPositionX"), frmMainPos.GetX());
		cfgfile->Write(wxT("WindowPositionY"), frmMainPos.GetY());
		cfgfile->Write(wxT("WindowPositionHeight"), frmMainPos.GetHeight());
		cfgfile->Write(wxT("WindowPositionWidth"), frmMainPos.GetWidth());

	} else {
	
		cfgfile->Write(wxT("SaveWindowPosition"), wxT("false"));
	
	}
	
	cfgfile->DeleteEntry(wxT("HideLocalAddressBooks"));
	
	if (chkHideLocal->GetValue() == TRUE){

		cfgfile->Write(wxT("HideLocalAddressBooks"), wxT("true"));
		*ReloadAccountConfig = TRUE;
	
	} else {
	
		cfgfile->Write(wxT("HideLocalAddressBooks"), wxT("false"));
		*ReloadAccountConfig = TRUE;
	
	}
	
	if (chkUseBackgroundColour->GetValue() == TRUE){
		
		cfgfile->Write(wxT("UseBackgroundContactColour"), wxT("true"));
		cfgfile->Write(wxT("BackgroundContactColour"), clpContactBackgroundColour->GetColour().GetAsString(wxC2S_HTML_SYNTAX));
		*ReloadAccountConfig = TRUE;
		
	} else {

		cfgfile->Write(wxT("UseBackgroundContactColour"), wxT("false"));
		*ReloadAccountConfig = TRUE;
		
	}

	delete cfgfile;
	cfgfile = NULL;

	this->Close();

}

void frmPreferences::EnableBackgroundColourPicker(wxCommandEvent &event){
	
	if (chkUseBackgroundColour->GetValue() == true){
		clpContactBackgroundColour->Enable(true);
	} else {
		clpContactBackgroundColour->Enable(false);
	}
	
}

void frmPreferences::CloseWindow(wxCommandEvent &event){

	// Close the preferences window.
	
	this->Close();

}