src/RingWizardNewAccountVC.mm

/*
 *  Copyright (C) 2015-2016 Savoir-faire Linux Inc.
 *  Author: Loïc Siret <loic.siret@savoirfairelinux.com>
 *
 *  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 3 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
 */

#import "RingWizardNewAccountVC.h"


//Cocoa
#import <AddressBook/AddressBook.h>
#import <Quartz/Quartz.h>

//Qt
#import <QUrl>
#import <QPixmap>

//LRC
#import <accountmodel.h>
#import <protocolmodel.h>
#import <profilemodel.h>
#import <QItemSelectionModel>
#import <account.h>
#import <certificate.h>
#import <profilemodel.h>
#import <profile.h>
#import <person.h>

#import "AppDelegate.h"
#import "Constants.h"
#import "views/NSImage+Extensions.h"
#import "views/NSColor+RingTheme.h"

@interface RingWizardNewAccountVC ()
@end

@implementation RingWizardNewAccountVC
{
    __unsafe_unretained IBOutlet NSView* loadingView;
    __unsafe_unretained IBOutlet NSView* creationView;

    __unsafe_unretained IBOutlet NSButton* photoView;
    __unsafe_unretained IBOutlet NSTextField* nicknameField;
    __unsafe_unretained IBOutlet NSSecureTextField* passwordField;
    __unsafe_unretained IBOutlet NSSecureTextField* passwordRepeatField;
    __unsafe_unretained IBOutlet NSTextField* passwordLabel;
    __unsafe_unretained IBOutlet NSTextField* passwordRepeatLabel;
    __unsafe_unretained IBOutlet NSImageView* passwordCheck;
    __unsafe_unretained IBOutlet NSImageView* passwordRepeatCheck;
    __unsafe_unretained IBOutlet NSButton* createButton;
    __unsafe_unretained IBOutlet NSButton* cancelButton;

    __unsafe_unretained IBOutlet NSProgressIndicator* progressBar;
    Account* accountToCreate;
    NSTimer* errorTimer;
    QMetaObject::Connection stateChanged;
}

NSInteger const NICKNAME_TAG                    = 1;

//ERROR CODE for textfields validations
NSInteger const ERROR_PASSWORD_TOO_SHORT        = -1;
NSInteger const ERROR_REPEAT_MISMATCH           = -2;


- (BOOL)produceError:(NSError**)error withCode:(NSInteger)code andMessage:(NSString*)message
{
    if (error != NULL){
        NSDictionary *errorDetail = @{NSLocalizedDescriptionKey: message};
        *error = [NSError errorWithDomain:@"Input" code:code userInfo:errorDetail];
    }
    return NO;
}

- (void)show
{
    AppDelegate* appDelegate = (AppDelegate *)[[NSApplication sharedApplication] delegate];
    [nicknameField setTag:NICKNAME_TAG];
    [nicknameField setStringValue:NSFullUserName()];
    [self controlTextDidChange:[NSNotification notificationWithName:@"PlaceHolder" object:nicknameField]];

    NSData* imgData = [[[ABAddressBook sharedAddressBook] me] imageData];
    if (imgData != nil) {
        [photoView setImage:[[NSImage alloc] initWithData:imgData]];
    } else
        [photoView setImage:[NSImage imageNamed:@"default_user_icon"]];

    [photoView setWantsLayer: YES];
    photoView.layer.cornerRadius = photoView.frame.size.width / 2;
    photoView.layer.masksToBounds = YES;

    [self display:creationView];
}

- (void)removeSubviews
{
    while ([self.view.subviews count] > 0){
        [[self.view.subviews firstObject] removeFromSuperview];
    }
}

- (void)display:(NSView *)view
{
    [self.delegate showView:view];
}

- (IBAction)editPhoto:(id)sender
{
    auto pictureTaker = [IKPictureTaker pictureTaker];

    [pictureTaker beginPictureTakerSheetForWindow:[self.delegate window]
                                     withDelegate:self
                                   didEndSelector:@selector(pictureTakerDidEnd:returnCode:contextInfo:)
                                      contextInfo:nil];

}

- (void)pictureTakerDidEnd:(IKPictureTaker *) picker
                 returnCode:(NSInteger) code
                contextInfo:(void*) contextInfo
{
    if (auto outputImage = [picker outputImage]) {
        [photoView setImage:outputImage];
    } else
        [photoView setImage:[NSImage imageNamed:@"default_user_icon"]];
}

#pragma mark - Input validation
- (BOOL)isPasswordValid
{
    return self.password.length >= 6;
}

- (BOOL)isRepeatPasswordValid
{
    return [self.password isEqualToString:self.repeatPassword];
}

- (BOOL)validateRepeatPassword:(NSError **)error
{
    if (!self.isRepeatPasswordValid){
        return [self produceError:error
                         withCode:ERROR_REPEAT_MISMATCH
                       andMessage:NSLocalizedString(@"Passwords don't match",
                                                     @"Indication for user")];
    }
    return YES;
}

- (BOOL)validatePassword:(NSError **)error
{
    if (!self.isRepeatPasswordValid){
        return [self produceError:error
                         withCode:ERROR_PASSWORD_TOO_SHORT
                       andMessage:NSLocalizedString(@"Password is too short",
                                                     @"Indication for user")];
    }
    return YES;
}

- (BOOL)validateUserInputPassword:(NSError **)error
{
    return [self validatePassword:error] && [self validateRepeatPassword:error];
}

- (IBAction)createRingAccount:(id)sender
{
    NSError *error = nil;
    if (![self validateUserInputPassword:&error]){
        NSAlert* alert = [NSAlert alertWithMessageText:[error localizedDescription]
                                         defaultButton:NSLocalizedString(@"Revise Input",
                                                                         @"Button title")
                                       alternateButton:nil
                                           otherButton:nil
                             informativeTextWithFormat:@"%@",error];

        [alert beginSheetModalForWindow:passwordField.window
                          modalDelegate:nil
                         didEndSelector:NULL
                            contextInfo:NULL];

        return;
    }

    [self display:loadingView];
    [progressBar startAnimation:nil];


    if ([self.alias isEqualToString:@""]) {
        self.alias = NSLocalizedString(@"Unknown", @"Name used when user leave field empty");
    }
    accountToCreate = AccountModel::instance().add(QString::fromNSString(self.alias), Account::Protocol::RING);

    accountToCreate->setAlias([self.alias UTF8String]);
    accountToCreate->setDisplayName([self.alias UTF8String]);

    if (auto profile = ProfileModel::instance().selectedProfile()) {
        profile->person()->setFormattedName([self.alias UTF8String]);
        QPixmap p;
        auto smallImg = [NSImage imageResize:[photoView image] newSize:{100,100}];
        if (p.loadFromData(QByteArray::fromNSData([smallImg TIFFRepresentation]))) {
            profile->person()->setPhoto(QVariant(p));
        } else {
            auto defaultAvatar = [NSImage imageResize:[NSImage imageNamed:@"default_user_icon"] newSize:{100,100}];
            p.loadFromData(QByteArray::fromNSData([defaultAvatar TIFFRepresentation]));
            profile->person()->setPhoto(QVariant(p));
        }
        profile->save();
    }

    QModelIndex qIdx = AccountModel::instance().protocolModel()->selectionModel()->currentIndex();

    [self setCallback];

    [self performSelector:@selector(saveAccount) withObject:nil afterDelay:1];
    [self registerDefaultPreferences];
}

/**
 * Set default values for preferences
 */
- (void)registerDefaultPreferences
{
    // enable AutoStartup
    LSSharedFileListRef loginItemsRef = LSSharedFileListCreate(NULL, kLSSharedFileListSessionLoginItems, NULL);
    if (loginItemsRef == nil) return;
    CFURLRef appUrl = (__bridge CFURLRef)[NSURL fileURLWithPath:[[NSBundle mainBundle] bundlePath]];
    LSSharedFileListItemRef itemRef = LSSharedFileListInsertItemURL(loginItemsRef, kLSSharedFileListItemLast, NULL, NULL, appUrl, NULL, NULL);
    if (itemRef) CFRelease(itemRef);

    // enable Notifications
    [[NSUserDefaults standardUserDefaults] setBool:YES forKey:Preferences::Notifications];
}

- (void)saveAccount
{
    accountToCreate->setArchivePassword(QString::fromNSString(passwordField.stringValue));
    accountToCreate->setUpnpEnabled(YES); // Always active upnp
    accountToCreate << Account::EditAction::SAVE;
}

- (void)setCallback
{
    errorTimer = [NSTimer scheduledTimerWithTimeInterval:30
                                                  target:self
                                                selector:@selector(didCreateFailed) userInfo:nil
                                                 repeats:NO];
    stateChanged = QObject::connect(&AccountModel::instance(),
                     &AccountModel::accountStateChanged,
                     [=](Account *account, const Account::RegistrationState state) {
                                                             switch(state){
                                                                 case Account::RegistrationState::READY:
                                                                 case Account::RegistrationState::TRYING:
                                                                 case Account::RegistrationState::UNREGISTERED:{
                                                                     accountToCreate<< Account::EditAction::RELOAD;
                                                                     QObject::disconnect(stateChanged);
                                                                     [self.delegate didCreateAccountWithSuccess:YES];
                                                                     break;
                                                                 }
                                                                 case Account::RegistrationState::ERROR:
                                                                     QObject::disconnect(stateChanged);
                                                                     [self.delegate didCreateAccountWithSuccess:NO];
                                                                     break;
                                                                 case Account::RegistrationState::INITIALIZING:
                                                                 case Account::RegistrationState::COUNT__:{
                                                                     //DO Nothing
                                                                     break;
                                                                 }
                                                             }
                                                         });
}

- (void)didCreateFailed
{
    [self.delegate didCreateAccountWithSuccess:NO];
}

- (IBAction)cancel:(id)sender
{
    [self.delegate didCreateAccountWithSuccess:NO];
}

#pragma mark - NSOpenSavePanelDelegate delegate methods

- (BOOL)panel:(id)sender validateURL:(NSURL *)url error:(NSError **)outError
{
    return YES;
}

-(void)controlTextDidChange:(NSNotification *)notif
{
    NSTextField* textField = [notif object];
    // else it is NICKNAME_TAG field
    NSString* alias = textField.stringValue;
    if ([alias isEqualToString:@""]) {
        alias = NSLocalizedString(@"Unknown", @"Name used when user leave field empty");
    }
    self.alias = alias;
}

+ (NSSet *)keyPathsForValuesAffectingIsPasswordValid
{
    return [NSSet setWithObjects:@"password", nil];
}

+ (NSSet *)keyPathsForValuesAffectingIsRepeatPasswordValid
{
    return [NSSet setWithObjects:@"password", @"repeatPassword", nil];
}

@end