/*
 *   Copyright (C) 2012,2013 by Jonathan Naylor G4KLX
 *
 *   This program 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; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program 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 this program; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include "HostFile.h"
#include "DCSSet.h"
#include "Defs.h"

#include <wx/filename.h>

const unsigned int CONTROL_WIDTH = 130U;

const unsigned int BORDER_SIZE = 5U;

const int CHOICE_ENABLED = 8787;

BEGIN_EVENT_TABLE(CDCSSet, wxPanel)
	EVT_CHOICE(CHOICE_ENABLED, CDCSSet::onEnabled)
END_EVENT_TABLE()


CDCSSet::CDCSSet(wxWindow* parent, int id, const wxString& title, bool dcsEnabled, bool ccsEnabled, const wxString& ccsHost) :
wxPanel(parent, id),
m_title(title),
m_dcsEnabled(NULL),
m_ccsEnabled(NULL),
m_ccsHosts(NULL)
{
	wxFlexGridSizer* sizer = new wxFlexGridSizer(2);

	wxStaticText* dcsEnabledLabel = new wxStaticText(this, -1, wxT("DCS"));
	sizer->Add(dcsEnabledLabel, 0, wxALL | wxALIGN_RIGHT, BORDER_SIZE);

	m_dcsEnabled = new wxChoice(this, -1, wxDefaultPosition, wxSize(CONTROL_WIDTH, -1));
	m_dcsEnabled->Append(_("Disabled"));
	m_dcsEnabled->Append(_("Enabled"));
	sizer->Add(m_dcsEnabled, 0, wxALL | wxALIGN_LEFT, BORDER_SIZE);
	m_dcsEnabled->SetSelection(dcsEnabled ? 1 : 0);

	wxStaticText* ccsEnabledLabel = new wxStaticText(this, -1, wxT("CCS"));
	sizer->Add(ccsEnabledLabel, 0, wxALL | wxALIGN_RIGHT, BORDER_SIZE);

	m_ccsEnabled = new wxChoice(this, CHOICE_ENABLED, wxDefaultPosition, wxSize(CONTROL_WIDTH, -1));
	m_ccsEnabled->Append(_("Disabled"));
	m_ccsEnabled->Append(_("Enabled"));
	sizer->Add(m_ccsEnabled, 0, wxALL | wxALIGN_LEFT, BORDER_SIZE);
	m_ccsEnabled->SetSelection(ccsEnabled ? 1 : 0);

	wxStaticText* ccsHostsLabel = new wxStaticText(this, -1, _("Server"));
	sizer->Add(ccsHostsLabel, 0, wxALL | wxALIGN_RIGHT, BORDER_SIZE);

	m_ccsHosts = new wxChoice(this, -1, wxDefaultPosition, wxSize(CONTROL_WIDTH, -1));
	sizer->Add(m_ccsHosts, 0, wxALL | wxALIGN_LEFT, BORDER_SIZE);

	wxFileName fileName(wxFileName::GetHomeDir(), CCS_HOSTS_FILE_NAME);
	if (!fileName.IsFileReadable()) {
#if defined(__WINDOWS__)
		fileName.Assign(::wxGetCwd(), CCS_HOSTS_FILE_NAME);
#else
		fileName.Assign(wxT(DATA_DIR), CCS_HOSTS_FILE_NAME);
#endif
	}

	CHostFile file(fileName.GetFullPath(), false);

	for (unsigned int i = 0U; i < file.getCount(); i++)
		m_ccsHosts->Append(file.getName(i));

	if (ccsHost.IsEmpty()) {
		m_ccsHosts->SetSelection(0);
	} else {
		bool res = m_ccsHosts->SetStringSelection(ccsHost);
		if (!res)
			m_ccsHosts->SetSelection(0);
	}

	if (ccsEnabled)
		m_ccsHosts->Enable();
	else
		m_ccsHosts->Disable();

	SetAutoLayout(true);

	SetSizer(sizer);
}


CDCSSet::~CDCSSet()
{
}

bool CDCSSet::Validate()
{
	int n = m_dcsEnabled->GetCurrentSelection();
	if (n == wxNOT_FOUND)
		return false;

	bool ccsEnabled = m_ccsEnabled->GetCurrentSelection() == 1;
	bool ccsHostSelected = m_ccsHosts->GetCurrentSelection() != wxNOT_FOUND;

	if (ccsEnabled && !ccsHostSelected)	{
		wxMessageBox(_("CCS is enabled and no CCS host has been selected. Either disable CCS or select a CCS host."));
		return false;
	}

	return true;
}

bool CDCSSet::getDCSEnabled() const
{
	int c = m_dcsEnabled->GetCurrentSelection();
	if (c == wxNOT_FOUND)
		return false;

	return c == 1;
}

bool CDCSSet::getCCSEnabled() const
{
	int c = m_ccsEnabled->GetCurrentSelection();
	if (c == wxNOT_FOUND)
		return false;

	return c == 1;
}

wxString CDCSSet::getCCSHost() const
{
	int n = m_ccsHosts->GetSelection();
	if (n == wxNOT_FOUND)
		return wxEmptyString;

	return m_ccsHosts->GetStringSelection();
}

void CDCSSet::onEnabled(wxCommandEvent &event)
{
	int n = m_ccsEnabled->GetCurrentSelection();
	if (n != 1)
		m_ccsHosts->Disable();
	else
		m_ccsHosts->Enable();
}