/* FirstLoginViewController.m
 *
 * Copyright (C) 2011  Belledonne Comunications, Grenoble, France
 *
 *  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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#import "LinphoneManager.h"
#import "FirstLoginView.h"
#import "LinphoneManager.h"
#import "PhoneMainView.h"

@implementation FirstLoginView

#pragma mark - UICompositeViewDelegate Functions

static UICompositeViewDescription *compositeDescription = nil;

+ (UICompositeViewDescription *)compositeViewDescription {
	if (compositeDescription == nil) {
		compositeDescription = [[UICompositeViewDescription alloc] init:self.class
															  statusBar:nil
																 tabBar:nil
															   sideMenu:nil
															 fullscreen:false
														  landscapeMode:LinphoneManager.runningOnIpad
														   portraitMode:true];
	}
	return compositeDescription;
}

- (UICompositeViewDescription *)compositeViewDescription {
	return self.class.compositeViewDescription;
}

#pragma mark - ViewController Functions

- (void)viewWillAppear:(BOOL)animated {
	[super viewWillAppear:animated];
	// Set observer
	[[NSNotificationCenter defaultCenter] addObserver:self
											 selector:@selector(registrationUpdateEvent:)
												 name:kLinphoneRegistrationUpdate
											   object:nil];

	[_usernameField setText:[[LinphoneManager instance] lpConfigStringForKey:@"assistant_username"]];
	[_passwordField setText:[[LinphoneManager instance] lpConfigStringForKey:@"assistant_password"]];

	// Update on show
	const MSList *list = linphone_core_get_proxy_config_list([LinphoneManager getLc]);
	if (list != NULL) {
		LinphoneProxyConfig *config = (LinphoneProxyConfig *)list->data;
		if (config) {
			[self registrationUpdate:linphone_proxy_config_get_state(config)];
		}
	}
}

- (void)viewWillDisappear:(BOOL)animated {
	[super viewWillDisappear:animated];

	// Remove observer
	[[NSNotificationCenter defaultCenter] removeObserver:self name:kLinphoneRegistrationUpdate object:nil];
}

- (void)viewDidLoad {
	[super viewDidLoad];

	NSString *siteUrl = [[LinphoneManager instance] lpConfigStringForKey:@"first_login_view_url"];
	if (siteUrl == nil) {
		siteUrl = @"http://www.linphone.org";
	}
	[_siteButton setTitle:siteUrl forState:UIControlStateNormal];
}

#pragma mark - Event Functions

- (void)registrationUpdateEvent:(NSNotification *)notif {
	[self registrationUpdate:[[notif.userInfo objectForKey:@"state"] intValue]];
}

#pragma mark -

- (void)registrationUpdate:(LinphoneRegistrationState)state {
	switch (state) {
		case LinphoneRegistrationOk: {
			[[LinphoneManager instance] lpConfigSetBool:FALSE forKey:@"enable_first_login_view_preference"];
			[_waitView setHidden:true];
			[PhoneMainView.instance changeCurrentView:DialerView.compositeViewDescription];
			break;
		}
		case LinphoneRegistrationNone:
		case LinphoneRegistrationCleared: {
			[_waitView setHidden:true];
			break;
		}
		case LinphoneRegistrationFailed: {
			[_waitView setHidden:true];

			// erase uername passwd
			[[LinphoneManager instance] lpConfigSetString:nil forKey:@"assistant_username"];
			[[LinphoneManager instance] lpConfigSetString:nil forKey:@"assistant_password"];
			break;
		}
		case LinphoneRegistrationProgress: {
			[_waitView setHidden:false];
			break;
		}
		default:
			break;
	}
}

#pragma mark - Action Functions

- (void)onSiteClick:(id)sender {
	NSURL *url = [NSURL URLWithString:_siteButton.titleLabel.text];
	[[UIApplication sharedApplication] openURL:url];
	return;
}

- (void)onLoginClick:(id)sender {
	NSString *errorMessage = nil;
	if ([_usernameField.text length] == 0) {
		errorMessage = NSLocalizedString(@"Enter your username", nil);
	} else if ([_passwordField.text length] == 0) {
		errorMessage = NSLocalizedString(@"Enter your password", nil);
	}

	if (errorMessage != nil) {
		UIAlertView *error = nil;
		error = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Alert", nil)
										   message:errorMessage
										  delegate:nil
								 cancelButtonTitle:NSLocalizedString(@"Continue", nil)
								 otherButtonTitles:nil];
		[error show];
	} else {
		linphone_core_clear_all_auth_info([LinphoneManager getLc]);
		linphone_core_clear_proxy_config([LinphoneManager getLc]);
		LinphoneProxyConfig *proxyCfg = linphone_core_create_proxy_config([LinphoneManager getLc]);
		/*default domain is supposed to be preset from linphonerc*/
		NSString *identity =
			[NSString stringWithFormat:@"sip:%@@%s", _usernameField.text, linphone_proxy_config_get_addr(proxyCfg)];
		linphone_proxy_config_set_identity(proxyCfg, [identity UTF8String]);
		LinphoneAuthInfo *auth_info = linphone_auth_info_new(
			[_usernameField.text UTF8String], [_usernameField.text UTF8String], [_passwordField.text UTF8String], NULL,
			NULL, linphone_proxy_config_get_domain(proxyCfg));
		linphone_core_add_auth_info([LinphoneManager getLc], auth_info);
		linphone_core_add_proxy_config([LinphoneManager getLc], proxyCfg);
		linphone_core_set_default_proxy_config([LinphoneManager getLc], proxyCfg);
		// reload address book to prepend proxy config domain to contacts' phone number
		[[[LinphoneManager instance] fastAddressBook] reload];
		[_waitView setHidden:false];
	};
}

#pragma mark - UITextFieldDelegate Functions

- (BOOL)textFieldShouldReturn:(UITextField *)theTextField {
	// When the user presses return, take focus away from the text field so that the keyboard is dismissed.
	[theTextField resignFirstResponder];
	return YES;
}

@end