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AuthScreenViewController.m
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AuthScreenViewController.m
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//
// AuthScreenViewController.m
// TestAssignmentDoItSoftware
//
// Created by Vladimir Samoylenko on 2/15/19.
// Copyright © 2019 TheRedQueen. All rights reserved.
//
#import "AuthScreenViewController.h"
@interface AuthScreenViewController ()
@end
@implementation AuthScreenViewController
@synthesize tfLogin;
@synthesize tfPassword;
@synthesize btnAuth;
@synthesize swMode;
#pragma mark - screen related
- (void)viewDidLoad {
[super viewDidLoad];
}
-(void)viewWillAppear:(BOOL)animated{
[super viewWillAppear:animated];
UIColor *grayColor = [[UIColor alloc] initWithRed:130.0/255.0 green:130.0/255.0 blue:130.0/255.0 alpha:130.0/255.0];
tfLogin.layer.cornerRadius = 2.0;
tfLogin.layer.borderWidth = 1.0;
tfLogin.layer.borderColor = grayColor.CGColor;
tfPassword.layer.cornerRadius = 2.0;
tfPassword.layer.borderWidth = 1.0;
tfPassword.layer.borderColor = grayColor.CGColor;
btnAuth.layer.cornerRadius = 2.0;
btnAuth.layer.borderWidth = 1.0;
[[NSNotificationCenter defaultCenter] removeObserver:self name:@"registrationfailed" object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(authFailed:) name:@"registrationfailed" object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self name:@"registrationdone" object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(authCompleted:) name:@"registrationdone" object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self name:@"authfailed" object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(authFailed:) name:@"authfailed" object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self name:@"authdone" object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(authCompleted:) name:@"authdone" object:nil];
}
-(void)viewWillDisappear:(BOOL)animated{
[super viewWillDisappear:animated];
[[NSNotificationCenter defaultCenter] removeObserver:self name:@"registerfailed" object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self name:@"registrationdone" object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self name:@"authfailed" object:nil];
[[NSNotificationCenter defaultCenter] removeObserver:self name:@"authdone" object:nil];
}
-(void)viewDidAppear:(BOOL)animated{
[super viewDidAppear:animated];
}
#pragma mark - app flow actions
- (IBAction)btnAuthTapped:(id)sender{
NSLog(@"btnAuth");
if ([self checkProvidedValues] == true){
[self showActivity];
TASingleton *singleton = [[TASingleton alloc] init];
if ([singleton isConnected] == true){
NSString *userName = tfLogin.text;
NSString *password = tfPassword.text;
BOOL modeLoginRegister = false;
modeLoginRegister = [swMode isOn];
if (modeLoginRegister == false){
[singleton authUser:userName password:password];
}else{
[singleton registerUser:userName password:password];
}
}else{
[self hideActivity];
};
}
}
- (IBAction)swModeChanged:(id)sender{
NSLog(@"swMode");
BOOL modeLoginRegister = false;
modeLoginRegister = [swMode isOn];
if (modeLoginRegister == false){
//do login
[btnAuth setTitle:@"LOG IN" forState:UIControlStateNormal];
}else{
//do register
[btnAuth setTitle:@"REGISTER" forState:UIControlStateNormal];
}
}
-(BOOL)checkLogin{
BOOL result = false;
if ([tfLogin.text length] > 0){
result = true;
}
return result;
}
-(BOOL)checkPassword{
BOOL result = false;
if ([tfPassword.text length] > 0){
result = true;
}
return result;
}
-(BOOL)checkProvidedValues{
BOOL result = false;
int resultStatus = 0;
NSString *statusText = @"";
if ([self checkLogin] == false){
resultStatus = resultStatus + 1;
}
if ([self checkPassword] == false){
resultStatus = resultStatus + 2;
}
switch (resultStatus) {
case 0:{
result = true;
break;
}
case 1:{
statusText = @"Please provide your login";
break;
}
case 2:{
statusText = @"Please provide your password";
break;
}
case 3:{
statusText = @"That login / password combination is not valid.";
break;
}
}
if (resultStatus > 0){
[self showAlertMessage:@"Error!" message:statusText];
}
return result;
}
-(void)showAlertMessage:(NSString *)title message:(NSString *)message{
UIAlertController *alertController = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:UIAlertControllerStyleAlert];
UIAlertAction* ok = [UIAlertAction actionWithTitle:@"OK" style:UIAlertActionStyleDefault handler:nil];
[alertController addAction:ok];
[self presentViewController:alertController animated:YES completion:nil];
}
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{
[self.view endEditing:YES];
}
-(BOOL)textFieldShouldReturn:(UITextField *)textField{
NSInteger tagTextField = textField.tag;
switch (tagTextField) {
case 1:{
[tfPassword becomeFirstResponder];
break;
}
case 2:{
[tfPassword resignFirstResponder];
break;
}
default:
break;
}
return YES;
}
-(void)dismissKeyboard{
[self.view endEditing:YES];
}
#pragma mark - network interacting
-(void)authCompleted:(NSNotification *)notification{
NSLog(@"auth completed");
[self hideActivity];
tfLogin.text = @"";
tfPassword.text = @"";
MyTaskListScreenViewController *myTaskListScreen = [[MyTaskListScreenViewController alloc] init];
UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:myTaskListScreen];
[self presentViewController:navigationController animated:YES completion:nil];
}
-(void)authFailed:(NSNotification *)notification{
NSLog(@"auth failed");
[self hideActivity];
NSDictionary *notificationDictionary = notification.userInfo;
if(notificationDictionary == nil){
return;
}
NSString *title = [notificationDictionary valueForKey:@"title"];
NSString *message = [notificationDictionary valueForKey:@"message"];
[self showAlertMessage:title message:message];
}
#pragma mark - activity indicator
-(void)showActivity{
if (overlayView != nil){
return;
}
overlayView = [[UIView alloc] initWithFrame:[UIScreen mainScreen].bounds];
overlayView.backgroundColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:0.5];
activityIndicator = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge];
activityIndicator.center = overlayView.center;
[overlayView addSubview:activityIndicator];
[activityIndicator startAnimating];
[[UIApplication sharedApplication].keyWindow addSubview:overlayView];
}
-(void)hideActivity{
if (overlayView != nil){
[overlayView removeFromSuperview];
overlayView = nil;
}
}
@end