/*
 *  GNUnet Setup (Cocoa UI)
 *  Copyright (C) 2009  Heikki Lindholm <holin@iki.fi>
 *
 *  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.
 */

#import "GNNetworkConnectionPage.h"

static int insert_nic(const char *name, int default_value, void *opaque)
{
	NSObject *o;
	NSComboBox *control = (NSComboBox *)opaque;
	o = [[[NSString alloc] initWithCString:name
		encoding:NSUTF8StringEncoding] autorelease];
	[control addItemWithObjectValue:o];
	if (default_value)
		[control selectItemWithObjectValue:o];
	return GNUNET_OK;
}

@implementation GNNetworkConnectionPage
- (void)awakeFromNib
{
	char *val;
	[messageView setDrawsBackground:NO];
	[[messageView enclosingScrollView] setDrawsBackground:NO];

	[networkInterfaceComboBox removeAllItems];

	GNUNET_list_network_interfaces([assistant gnunetGEContext],
		&insert_nic, networkInterfaceComboBox);
	if ([networkInterfaceComboBox numberOfItems] != 0) {
		[networkInterfaceComboBox setNumberOfVisibleItems:
			[networkInterfaceComboBox numberOfItems] < 6 ?
				[networkInterfaceComboBox numberOfItems] : 6];
		if ([networkInterfaceComboBox indexOfSelectedItem] == -1)
			[networkInterfaceComboBox selectItemAtIndex:0];
		[assistant setConfigurationOption:"INTERFACE"
			inSection:"NETWORK"
			toValue:[[networkInterfaceComboBox stringValue]
				UTF8String]
			fromControl:networkInterfaceComboBox];
		[assistant setConfigurationOption:"INTERFACES"
			inSection:"LOAD"
			toValue:[[networkInterfaceComboBox stringValue]
				UTF8String]
			fromControl:networkInterfaceComboBox];
	}

	GNUNET_GC_get_configuration_value_string(
		[assistant gnunetGCConfiguration], "NETWORK", "IP", "", &val);
	[ipAddressField setStringValue:[[[NSString alloc]
		initWithCString:val
		encoding:NSUTF8StringEncoding] autorelease]];
	GNUNET_free(val);
}

- (IBAction)backAction:(id)sender
{
	NSControl *control = (NSControl *)sender;
	if ([[control window] firstResponder] != nil && 
			[[control window] firstResponder] != control &&
			[[control window] makeFirstResponder:nil] == NO) {
		return;
	}
	[assistant previousPage];
}

- (IBAction)continueAction:(id)sender
{
	NSControl *control = (NSControl *)sender;
	if ([[control window] firstResponder] != nil && 
			[[control window] firstResponder] != control &&
			[[control window] makeFirstResponder:nil] == NO) {
		return;
	}
	[assistant nextPage];
}

- (IBAction)comboAction:(id)sender
{
	NSControl *control = (NSControl *)sender;
	[assistant setConfigurationOption:"INTERFACE"
		inSection:"NETWORK"
		toValue:[[control stringValue] UTF8String]
		fromControl:control];
	[assistant setConfigurationOption:"INTERFACES"
		inSection:"LOAD"
		toValue:[[control stringValue] UTF8String]
		fromControl:control];
}

- (BOOL)control:(NSControl *)control textShouldEndEditing:(NSText *)fieldEditor
{
	if (control == ipAddressField)
		return [assistant setConfigurationOption:"IP"
			inSection:"NETWORK"
			toValue:[[control stringValue] UTF8String]
			fromControl:control];
	else if (control == networkInterfaceComboBox)
		return [assistant setConfigurationOption:"INTERFACE"
			inSection:"NETWORK"
			toValue:[[control stringValue] UTF8String]
			fromControl:control] &&
			[assistant setConfigurationOption:"INTERFACES"
			inSection:"LOAD"
			toValue:[[control stringValue] UTF8String]
			fromControl:control];
	return YES;
}
@end