#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#include <wx/msgdlg.h>

#include "creator_thread.h"

extern "C" {
	#include "uniso.h"
}

static void progress_cb(size_t current, size_t total,
			const char *filename, void *user_data)
{
	static size_t unpacked_bytes = 0;
	static size_t total_bytes = 0;
	Dialog *d = (Dialog *)user_data;
	if (current != unpacked_bytes || total != total_bytes) {
		unpacked_bytes = current;
		total_bytes = total;
		wxMutexGuiEnter();
		d->SetProgress(current, total, filename);
		wxMutexGuiLeave();
	}
}

CreatorThread::CreatorThread(Dialog *d, const wxString &iso, const wxString &target)
	: wxThread()
{
	m_dialog = d;
	m_source = new wxFileName(iso);
	m_target = new wxFileName(target, wxEmptyString);
	m_current_file = NULL;
	m_total_bytes = 0;
	m_unpacked_bytes = 0;
}

CreatorThread::~CreatorThread()
{
	delete m_source;
	delete m_target;
	m_dialog = NULL;
}

void CreatorThread::OnExit()
{
}

wxThread::ExitCode CreatorThread::Entry()
{
	int fd;
	/* extract contents to .new/ dir on target device */
	wxFileName newdir(*m_target);
	newdir.AppendDir(wxT(".new"));
	newdir.Mkdir(0755, wxPATH_MKDIR_FULL);
	newdir.SetCwd();
	fd = open(m_source->GetFullPath().char_str(), O_RDONLY);
	if (fd >= 0)
		uniso(fd, &progress_cb, m_dialog);
	close(fd);

	/* move existing to old */
	wxFileName olddir(*m_target);
	olddir.AppendDir(wxT(".old"));
	olddir.Mkdir(0755, wxPATH_MKDIR_FULL);

	wxFileName target(*m_target);

	return NULL;
}