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//
//  LoginViewController.m
//  Juick
//
//  Created by Vitaly on 30.01.14.
//  Copyright (c) 2014 com.juick. All rights reserved.
//

#import "LoginViewController.h"
#import "User.h"
#import "ColorScheme.h"

@implementation LoginViewController

- (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self){
        [self initializeForm];
    }
    return self;
}

- (id)initWithCoder:(NSCoder *)aDecoder {
    self = [super initWithCoder:aDecoder];
    if (self){
        [self initializeForm];
    }
    return self;
}

- (void)initializeForm {
    self.title = @"Sign in";
    [self.view setBackgroundColor:[ColorScheme mainBackground]];
    
    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel
                                                                                          target:self action:@selector(cancelSignIn)];
    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemSave
                                                                                           target:self action:@selector(doneSignIn)];
    XLFormDescriptor *form = [XLFormDescriptor formDescriptorWithTitle:@"Sign in"];
    form.rowNavigationOptions = XLFormRowNavigationOptionEnabled;
    XLFormSectionDescriptor *section = [XLFormSectionDescriptor formSection];
    [form addFormSection:section];
    XLFormRowDescriptor * usernameRow = [XLFormRowDescriptor
                                         formRowDescriptorWithTag:@"com.juick.username"
                                         rowType:XLFormRowDescriptorTypeText title:@"Username"];
    usernameRow.value = [[PDKeychainBindings sharedKeychainBindings] stringForKey:@"com.juick.username"];
    [section addFormRow:usernameRow];
    XLFormRowDescriptor * passwordRow = [XLFormRowDescriptor
                                         formRowDescriptorWithTag:@"com.juick.password"
                                         rowType:XLFormRowDescriptorTypePassword title:@"Password"];
    passwordRow.value = [[PDKeychainBindings sharedKeychainBindings] stringForKey:@"com.juick.password"];
    [section addFormRow:passwordRow];

    self.form = form;
}


- (void) cancelSignIn {
    CATransition* transition = [CATransition animation];
    transition.duration = 0.3;
    transition.type = kCATransitionFade;
    transition.subtype = kCATransitionFromTop;
    
    [self.navigationController.view.layer addAnimation:transition forKey:kCATransition];
    [self.navigationController popViewControllerAnimated:NO];
}

- (void) doneSignIn {
    [User checkIsValid:^(BOOL success) {
        if (success) {
            CATransition* transition = [CATransition animation];
            transition.duration = 0.3;
            transition.type = kCATransitionFade;
            transition.subtype = kCATransitionFromTop;
            
            [self.navigationController.view.layer addAnimation:transition forKey:kCATransition];
            [self.navigationController popToRootViewControllerAnimated:NO];
        } else {
            [User throwUnableToLogin];
        }
    }];
    
}

-(void) formRowDescriptorValueHasChanged:(XLFormRowDescriptor *)formRow oldValue:(id)oldValue newValue:(id)newValue {
    [super formRowDescriptorValueHasChanged:formRow oldValue:oldValue newValue:newValue];
    if ([newValue isKindOfClass:[NSString class]]) {
        [[PDKeychainBindings sharedKeychainBindings] setObject:newValue forKey:formRow.tag];
    }
}

@end