//
//  LockInteractionController.m
//  Signal
//
//  Created by Frederic Jacobs on 22/08/15.
//  Copyright (c) 2015 Open Whisper Systems. All rights reserved.
//

#import "LockInteractionController.h"

@interface LockInteractionController ()
@property UIAlertController *alertController;
@end

@implementation LockInteractionController

MacrosSingletonImplemention

+ (void)performBlock:(LIControllerBlockingOperation)blockingOperation
     completionBlock:(LIControllerCompletionBlock)completionBlock
          retryBlock:(LIControllerRetryBlock)retryBlock
         usesNetwork:(BOOL)networkFlag

{
    
    
    if (networkFlag) {
        [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:networkFlag];
    }
    
    LockInteractionController *sharedInstance = [LockInteractionController sharedInstance];
    sharedInstance.alertController = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"Upgrading Signal ...", nil)
                                                                         message:nil
                                                                  preferredStyle:UIAlertControllerStyleAlert];
    
    [[UIApplication sharedApplication].keyWindow.rootViewController presentViewController:sharedInstance.alertController
                                                                                 animated:YES
                                                                               completion:nil];
    
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
        BOOL success = blockingOperation();
        
        dispatch_async(dispatch_get_main_queue(), ^{
            [sharedInstance.alertController dismissViewControllerAnimated:YES completion:^{
                if (networkFlag) {
                    [[UIApplication sharedApplication] setNetworkActivityIndicatorVisible:NO];
                }
                
                if (!success) {
                    retryBlock(blockingOperation, completionBlock);
                } else {
                    completionBlock();
                }
            }];
        });
        
    });
}


+ (LIControllerRetryBlock)defaultNetworkRetry
{
    LIControllerRetryBlock retryBlock = ^void(LIControllerBlockingOperation blockingOperation, LIControllerCompletionBlock completionBlock) {
        UIAlertController *retryController = [UIAlertController alertControllerWithTitle:@"Upgrading Signal failed"
                                                                                 message:@"An network error occured while upgrading, please check your connectivity and try again."
                                                                          preferredStyle:UIAlertControllerStyleAlert];
        
        [retryController addAction:[UIAlertAction actionWithTitle:NSLocalizedString(@"REGISTER_FAILED_TRY_AGAIN", nil)
                                                            style:UIAlertActionStyleDefault
                                                          handler:^(UIAlertAction *action) {
                                                              [self performBlock:blockingOperation
                                                                 completionBlock:completionBlock
                                                                      retryBlock:[LockInteractionController defaultNetworkRetry]
                                                                     usesNetwork:YES];
                                                          }]];
        
        [[UIApplication sharedApplication].keyWindow.rootViewController presentViewController:retryController
                                                                                     animated:YES
                                                                                   completion:nil];
    };
    
    return retryBlock;
}

@end