/*
 Credentials input controller

 Copyright 2013 Thincast Technologies GmbH, Author: Martin Fleisz

 This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
 If a copy of the MPL was not distributed with this file, You can obtain one at
 http://mozilla.org/MPL/2.0/.
 */

#import "CredentialsInputController.h"
#import "RDPSession.h"
#import "Utils.h"

@implementation CredentialsInputController

- (id)initWithNibName:(NSString *)nibNameOrNil
               bundle:(NSBundle *)nibBundleOrNil
              session:(RDPSession *)session
               params:(NSMutableDictionary *)params
{
	self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
	if (self)
	{
		_session = session;
		_params = params;
		[self setModalPresentationStyle:UIModalPresentationFormSheet];

		// on iphone we have the problem that the buttons are hidden by the keyboard
		// we solve this issue by registering keyboard notification handlers and adjusting the
		// scrollview accordingly
		if (IsPhone())
		{
			[[NSNotificationCenter defaultCenter] addObserver:self
			                                         selector:@selector(keyboardWillShow:)
			                                             name:UIKeyboardWillShowNotification
			                                           object:nil];
			[[NSNotificationCenter defaultCenter] addObserver:self
			                                         selector:@selector(keyboardWillHide:)
			                                             name:UIKeyboardWillHideNotification
			                                           object:nil];
		}
	}
	return self;
}

- (void)viewDidLoad
{
	[super viewDidLoad];

	// set localized strings
	[_lbl_message
	    setText:NSLocalizedString(
	                @"Please provide the missing user information in order to proceed and login.",
	                @"Credentials input view message")];
	[_textfield_username
	    setPlaceholder:NSLocalizedString(@"Username", @"Credentials Input Username hint")];
	[_textfield_password
	    setPlaceholder:NSLocalizedString(@"Password", @"Credentials Input Password hint")];
	[_textfield_domain
	    setPlaceholder:NSLocalizedString(@"Domain", @"Credentials Input Domain hint")];
	[_btn_login setTitle:NSLocalizedString(@"Login", @"Login Button")
	            forState:UIControlStateNormal];
	[_btn_cancel setTitle:NSLocalizedString(@"Cancel", @"Cancel Button")
	             forState:UIControlStateNormal];

	// init scrollview content size
	[_scroll_view setContentSize:[_scroll_view frame].size];

	// set params in the view
	[_textfield_username setText:[_params valueForKey:@"username"]];
	[_textfield_password setText:[_params valueForKey:@"password"]];
	[_textfield_domain setText:[_params valueForKey:@"domain"]];
}

- (void)viewDidUnload
{
	[super viewDidUnload];
}

- (void)viewDidDisappear:(BOOL)animated
{
	[super viewDidDisappear:animated];
	// set signal
	[[_session uiRequestCompleted] signal];
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
	return YES;
}

- (void)dealloc
{
	[super dealloc];
	[[NSNotificationCenter defaultCenter] removeObserver:self];
}

#pragma mark -
#pragma mark iOS Keyboard Notification Handlers

- (void)keyboardWillShow:(NSNotification *)notification
{
	CGRect keyboardEndFrame =
	    [[[notification userInfo] objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue];
	CGRect keyboardFrame = [[self view] convertRect:keyboardEndFrame toView:nil];

	[UIView beginAnimations:nil context:NULL];
	[UIView setAnimationCurve:[[[notification userInfo]
	                              objectForKey:UIKeyboardAnimationCurveUserInfoKey] intValue]];
	[UIView
	    setAnimationDuration:[[[notification userInfo]
	                             objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue]];
	CGRect frame = [_scroll_view frame];
	frame.size.height -= keyboardFrame.size.height;
	[_scroll_view setFrame:frame];
	[UIView commitAnimations];
}

- (void)keyboardWillHide:(NSNotification *)notification
{
	CGRect keyboardEndFrame =
	    [[[notification userInfo] objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue];
	CGRect keyboardFrame = [[self view] convertRect:keyboardEndFrame toView:nil];

	[UIView beginAnimations:nil context:NULL];
	[UIView setAnimationCurve:[[[notification userInfo]
	                              objectForKey:UIKeyboardAnimationCurveUserInfoKey] intValue]];
	[UIView
	    setAnimationDuration:[[[notification userInfo]
	                             objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue]];
	CGRect frame = [_scroll_view frame];
	frame.size.height += keyboardFrame.size.height;
	[_scroll_view setFrame:frame];
	[UIView commitAnimations];
}

#pragma mark - Action handlers

- (IBAction)loginPressed:(id)sender
{
	// read input back in
	[_params setValue:[_textfield_username text] forKey:@"username"];
	[_params setValue:[_textfield_password text] forKey:@"password"];
	[_params setValue:[_textfield_domain text] forKey:@"domain"];
	[_params setValue:[NSNumber numberWithBool:YES] forKey:@"result"];

	// dismiss controller
	[self dismissModalViewControllerAnimated:YES];
}

- (IBAction)cancelPressed:(id)sender
{
	[_params setValue:[NSNumber numberWithBool:NO] forKey:@"result"];

	// dismiss controller
	[self dismissModalViewControllerAnimated:YES];
}

@end