-(void) shareOnTwitterWithVideo:(NSDictionary*) params{   
    NSString *text = params[@"text"];
    NSData* dataVideo = params[@"video"];
    NSString *lengthVideo = [NSString stringWithFormat:@"%d",[params[@"length"] intValue]];
    NSString* url = @"https://upload.twitter.com/1.1/media/upload.json";
 
    __block NSString *mediaID;
 
    if([[Twitter sharedInstance] session]){
 
        TWTRAPIClient *client = [[Twitter sharedInstance] APIClient];
        NSError *error;
        // First call with command INIT
        NSDictionary *message =  @{ @"status":text,@"command":@"INIT",@"media_type":@"video/mp4",@"total_bytes":lengthVideo};
        NSURLRequest *preparedRequest = [client URLRequestWithMethod:@"POST" URL:url parameters:message error:&error];
 
        [client sendTwitterRequest:preparedRequest completion:^(NSURLResponse *urlResponse,NSData *responseData,NSError *error){
 
            if(!error){
                NSError *jsonError;
                NSDictionary *json = [NSJSONSerialization
                                      JSONObjectWithData:responseData
                                      options:0
                                      error:&jsonError];
 
                mediaID = [json objectForKey:@"media_id_string"];
                client = [[Twitter sharedInstance] APIClient];
                NSError *error;
                NSString *videoString = [dataVideo base64EncodedStringWithOptions:0];
                // Second call with command APPEND
                message = @{@"command" : @"APPEND",@"media_id" : mediaID,@"segment_index" : @"0",@"media" : videoString};
 
                NSURLRequest *preparedRequest = [client URLRequestWithMethod:@"POST" URL:url parameters:message error:&error];
 
                [client sendTwitterRequest:preparedRequest completion:^(NSURLResponse *urlResponse,NSError *error){
 
                    if(!error){
                        client = [[Twitter sharedInstance] APIClient];
                        NSError *error;
                        // Third call with command FINALIZE
                        message = @{@"command" : @"FINALIZE",@"media_id" : mediaID};
 
                        NSURLRequest *preparedRequest = [client URLRequestWithMethod:@"POST" URL:url parameters:message error:&error];
 
                        [client sendTwitterRequest:preparedRequest completion:^(NSURLResponse *urlResponse,NSError *error){
 
                            if(!error){
                                client = [[Twitter sharedInstance] APIClient];
                                NSError *error;
                                // publish video with status
                                NSString *url = @"https://api.twitter.com/1.1/statuses/update.json";
                                NSMutableDictionary *message = [[NSMutableDictionary alloc] initWithObjectsAndKeys:text,@"status",@"true",@"wrap_links",mediaID,@"media_ids",nil];
                                NSURLRequest *preparedRequest = [client URLRequestWithMethod:@"POST" URL:url parameters:message error:&error];
 
                                [client sendTwitterRequest:preparedRequest completion:^(NSURLResponse *urlResponse,NSError *error){
                                    if(!error){
                                        NSError *jsonError;
                                        NSDictionary *json = [NSJSONSerialization
                                                              JSONObjectWithData:responseData
                                                              options:0
                                                              error:&jsonError];
                                        NSLog(@"%@",json);
                                    }else{
                                        NSLog(@"Error: %@",error);
                                    }
                                }];
                            }else{
                                NSLog(@"Error command FINALIZE: %@",error);
                            }
                        }];
 
                    }else{
                        NSLog(@"Error command APPEND: %@",error);
                    }
                }];
 
            }else{
                NSLog(@"Error command INIT: %@",error);
            }
 
        }];
    }
}