/*
 * Copyright 2002-2009 Haiku Inc. All rights reserved.
 * Distributed under the terms of the MIT license.
 *
 * Authors:
 *		Erik Jaesler <ejakowatz@users.sourceforge.net>
 *		Ithamar R. Adema <ithamar@unet.nl>
 *		Stephan Aßmus <superstippi@gmx.de>
 */

#include "DriveSetup.h"
#include "MainWindow.h"

#include <stdio.h>
#include <string.h>

#include <File.h>
#include <FindDirectory.h>
#include <Locale.h>
#include <Path.h>


DriveSetup::DriveSetup()
	: BApplication("application/x-vnd.Haiku-DriveSetup"),
	fWindow(NULL),
	fSettings(0UL)
{
}


DriveSetup::~DriveSetup()
{
}


void
DriveSetup::ReadyToRun()
{
	fWindow = new MainWindow(BRect(50, 50, 600, 450));
	if (_RestoreSettings() != B_OK)
		fWindow->ApplyDefaultSettings();
	fWindow->Show();
}


bool
DriveSetup::QuitRequested()
{
	_StoreSettings();

	if (fWindow->Lock()) {
		fWindow->Quit();
		fWindow = NULL;
	}

	return true;
}


// #pragma mark -


status_t
DriveSetup::_StoreSettings()
{
	status_t ret = B_ERROR;
	if (fWindow->Lock()) {
		ret = fWindow->StoreSettings(&fSettings);
		fWindow->Unlock();
	}

	if (ret < B_OK) {
		fprintf(stderr, "failed to store settings: %s\n", strerror(ret));
		return ret;
	}

	BFile file;
	ret = _GetSettingsFile(file, true);
	if (ret < B_OK)
		return ret;

	ret = fSettings.Flatten(&file);
	if (ret < B_OK) {
		fprintf(stderr, "failed to flatten settings: %s\n", strerror(ret));
		return ret;
	}

	return B_OK;
}


status_t
DriveSetup::_RestoreSettings()
{
	BFile file;
	status_t ret = _GetSettingsFile(file, false);
	if (ret < B_OK)
		return ret;

	ret = fSettings.Unflatten(&file);
	if (ret < B_OK) {
		fprintf(stderr, "failed to unflatten settings: %s\n", strerror(ret));
		return ret;
	}

	ret = fWindow->RestoreSettings(&fSettings);
	if (ret < B_OK) {
		fprintf(stderr, "failed to restore settings: %s\n", strerror(ret));
		return ret;
	}

	return B_OK;
}


status_t
DriveSetup::_GetSettingsFile(BFile& file, bool forWriting) const
{
	BPath path;
	status_t ret = find_directory(B_USER_SETTINGS_DIRECTORY, &path);
	if (ret != B_OK) {
		fprintf(stderr, "failed to get user settings folder: %s\n",
			strerror(ret));
		return ret;
	}

	ret = path.Append("DriveSetup");
	if (ret != B_OK) {
		fprintf(stderr, "failed to construct path: %s\n", strerror(ret));
		return ret;
	}

	uint32 writeFlags = B_CREATE_FILE | B_ERASE_FILE | B_WRITE_ONLY;
	uint32 readFlags = B_READ_ONLY;

	ret = file.SetTo(path.Path(), forWriting ? writeFlags : readFlags);
	if (ret != B_OK) {
		if (forWriting) {
			// Only inform of an error if the file was supposed to be written.
			fprintf(stderr, "failed to init settings file: %s\n",
				strerror(ret));
		}
		return ret;
	}

	return B_OK;
}


// #pragma mark -


int
main(int, char**)
{
	DriveSetup app;
	app.Run();
	return 0;
}