//
//  LoginVC.m
//
//  Created by Adam Chin on 7/14/16.
//  The following is an example of Auth0
//  Logging into Email/Social services with a custom UI
//  Interface Builder requirements are:
//  2 Social buttons
//  Email/Password UITextFields
//  button to fire didTapEmailLogin
//
#import "LoginVC.h"
#import "MBProgressHUD.h"
#import "TwitterAPIBundle.h"

#define USERPW_AUTHENTICATION_TYPE @"Username-Password-Authentication"

@interface LoginVC () <UITextFieldDelegate>

@property (weak, nonatomic) IBOutlet UIButton *signInButton;
@property (weak, nonatomic) IBOutlet UIButton *cancelButton;

@property(weak, nonatomic) IBOutlet UITextField *emailField;
@property(weak, nonatomic) IBOutlet UITextField *passwordField;
@property (nonatomic, weak) IBOutlet UIButton *facebookButton;
@property (nonatomic, weak) IBOutlet UIButton *twitterButton;
@property (weak, nonatomic) IBOutlet UIActivityIndicatorView *ActivityIndicator;

@property (nonatomic, weak) NSString *connectionType;

@end

@implementation LoginVC

- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
    [self.view endEditing:YES];
}

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    self.ActivityIndicator.hidesWhenStopped = YES;

    [self.emailField.layer addSublayer:[GlobalUI bottomBorderFor:self.emailField]];
    [self.passwordField.layer addSublayer:[GlobalUI bottomBorderFor:self.passwordField]];


}


- (IBAction)cancel:(id)sender
{
    [self dismissViewControllerAnimated:YES completion:nil];

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

    self.emailField.delegate = self;
    self.passwordField.delegate = self;

    self.signInButton.layer.cornerRadius = 5;
    self.signInButton.clipsToBounds = YES;
    self.cancelButton.layer.cornerRadius = 5;
    self.cancelButton.clipsToBounds = YES;

    self.facebookButton.layer.cornerRadius = 5;
    self.facebookButton.clipsToBounds = YES;

    self.twitterButton.layer.cornerRadius = 5;
    self.twitterButton.clipsToBounds = YES;


}

- (BOOL)textFieldShouldReturn:(UITextField *)textField {
    if (textField == self.emailField)
    {
        [textField resignFirstResponder];
        [self.passwordField becomeFirstResponder];

    } else if (textField == self.passwordField) {
        // here you can define what happens
        // when user presses return on the email field

        [self didTapEmailLogin:self];

    }
    return YES;
}

- (IBAction)socialLogin:(id)sender {


    [self.ActivityIndicator startAnimating];

    if (sender == self.facebookButton)
    {
        self.connectionType = @"facebook";
        A0Lock *lock =  [[Auth0Instance sharedInstance] lock];
        A0FacebookAuthenticator *facebook = [A0FacebookAuthenticator newAuthenticatorWithDefaultPermissions];
        [lock registerAuthenticators:@[facebook]];
        A0AuthParameters *params = [A0AuthParameters newDefaultParams];

        [[lock identityProviderAuthenticator] authenticateWithConnectionName:self.connectionType
                                                                  parameters:params
                                                                     success:^(A0UserProfile * _Nonnull profile, A0Token * _Nonnull token) {
#ifdef DEBUG
                                                                         NSLog(@"----------------------------------------------->");
                                                                         NSLog(@" Auth0 Lock: Facebook Login success");
                                                                         NSLog(@"Profile: %@",profile);
                                                                         NSLog(@"Token: %@",token);
                                                                         NSLog(@"----------------------------------------------->");
#endif

                                                                         [self.ActivityIndicator stopAnimating];

                                                                         MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:self.view animated:YES];
                                                                         hud.mode = MBProgressHUDModeCustomView;
                                                                         UIImage *image = [[UIImage imageNamed:@"Checkmark"] imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
                                                                         hud.customView = [[UIImageView alloc] initWithImage:image];

                                                                         hud.square = YES;
                                                                         hud.label.text = NSLocalizedString(@"Success!", @"HUD done title");
                                                                         [hud hideAnimated:YES afterDelay:2.f];

                                                                         [self performSelector:@selector(dismissView) withObject:self afterDelay:2.0];


        } failure:^(NSError * _Nonnull error) {
            [self.ActivityIndicator stopAnimating];

            NSLog(@"Facebook Login Failure");
        }];

    }
    else if (sender == self.twitterButton)
    {
        self.connectionType = @"twitter";

        NSString *twitterApiKey = [TwitterAPIBundle twitterAPIKey];
        NSString *twitterApiSecret = [TwitterAPIBundle twitterSec];

        A0TwitterAuthenticator *twitter = [A0TwitterAuthenticator
                                           newAuthenticatorWithKey:twitterApiKey
                                           andSecret:twitterApiSecret];

        A0Lock *lock =  [[Auth0Instance sharedInstance] lock];

        [lock registerAuthenticators:@[twitter]];

        A0AuthParameters *params = [A0AuthParameters newDefaultParams];


        [[lock identityProviderAuthenticator] authenticateWithConnectionName:self.connectionType
                                                                  parameters:params
                                                                     success:^(A0UserProfile * _Nonnull profile, A0Token * _Nonnull token) {
#ifdef DEBUG
                                                                         NSLog(@"----------------------------------------------->");
                                                                         NSLog(@" Auth0 Lock: Twitter Login success");
                                                                         NSLog(@"----------------------------------------------->");
#endif

                                                                        [self.ActivityIndicator stopAnimating];

                                                                         MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:self.view animated:YES];
                                                                         hud.mode = MBProgressHUDModeCustomView;
                                                                         UIImage *image = [[UIImage imageNamed:@"Checkmark"] imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
                                                                         hud.customView = [[UIImageView alloc] initWithImage:image];

                                                                         hud.square = YES;
                                                                         hud.label.text = NSLocalizedString(@"Success!", @"HUD done title");
                                                                         [hud hideAnimated:YES afterDelay:2.f];

                                                                         [self performSelector:@selector(dismissView) withObject:self afterDelay:2.0];

        } failure:^(NSError * _Nonnull error) {
            [self.ActivityIndicator stopAnimating];
            NSLog(@"Twitter login Failure");
        }];
    }

}
- (IBAction)didTapEmailLogin:(id)sender {

    [self.ActivityIndicator startAnimating];
    NSString *email =  self.emailField.text;
    NSString *password = self.passwordField.text;

    A0Lock *lock = [[Auth0Instance sharedInstance] lock];
    A0AuthParameters *params = [A0AuthParameters newDefaultParams];
    params[A0ParameterConnection] = USERPW_AUTHENTICATION_TYPE;

    A0APIClient *client = [lock apiClient];

    [client loginWithEmail:email
                  passcode:password
                parameters:params
                   success:^(A0UserProfile * _Nonnull profile, A0Token * _Nonnull tokenInfo) {


                       [self.ActivityIndicator stopAnimating];

                       MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:self.view animated:YES];
                       hud.mode = MBProgressHUDModeCustomView;
                       UIImage *image = [[UIImage imageNamed:@"Checkmark"] imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
                       hud.customView = [[UIImageView alloc] initWithImage:image];

                       hud.square = YES;
                       hud.label.text = NSLocalizedString(@"Success!", @"HUD done title");
                       [hud hideAnimated:YES afterDelay:2.f];

                       [self performSelector:@selector(dismissView) withObject:self afterDelay:2.0];


                   } failure:^(NSError * _Nonnull error) {
                       NSLog(@"Oops something went wrong: %@", error);
                       [self.ActivityIndicator stopAnimating];
                      // [self.spinner stopAnimating];
                   }];

}


- (IBAction)didRequestPasswordReset:(id)sender {

    [self.ActivityIndicator startAnimating];
    NSString *email =  self.emailField.text;
    A0Lock *lock = [[Auth0Instance sharedInstance] lock];
    A0APIClient *client = [lock apiClient];
    A0AuthParameters *params = [A0AuthParameters newDefaultParams];
    params[A0ParameterConnection] = USERPW_AUTHENTICATION_TYPE;

    [client requestChangePasswordForUsername:email
                                  parameters:params
                                     success:^{

                                         [self.ActivityIndicator stopAnimating];

                                         MBProgressHUD *hud = [MBProgressHUD showHUDAddedTo:self.view animated:YES];
                                         hud.mode = MBProgressHUDModeCustomView;
                                         UIImage *image = [[UIImage imageNamed:@"Checkmark"] imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate];
                                         hud.customView = [[UIImageView alloc] initWithImage:image];

                                         hud.square = YES;
                                         hud.label.text = NSLocalizedString(@"Check your email for instructions...", @"HUD done title");
                                         [hud hideAnimated:YES afterDelay:4.5f];

                                        // [self performSelector:@selector(dismissView) withObject:self afterDelay:2.0];

                                     } failure:^(NSError * _Nonnull error) {
                                         [self.ActivityIndicator stopAnimating];
                                         NSLog(@"Oops something went wrong: %@", error);
                                     }];
}

-(void)dismissView
{
    [self dismissViewControllerAnimated:YES completion:nil];
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}


@end