"Reset" method having trouble...

- (void) reset {

//
//  CameraViewController.m
//  Ribbit
//
//  Created by McLaws, Jacob on 10/8/14.
//  Copyright (c) 2014 McLaws, Jacob. All rights reserved.
//

#import "CameraViewController.h"
#import <MobileCoreServices/UTCoreTypes.h>
@interface CameraViewController ()

@end

@implementation CameraViewController


- (void)viewDidLoad
{
    [super viewDidLoad];
}

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

    self.friendsRelation = [[PFUser currentUser] objectForKey:@"friendsRelation"]; //Ben says this could go in ViewDidLoad as well...

    self.recipients = [[NSMutableArray alloc] init];

    PFQuery *query = [self.friendsRelation query];
    [query orderByAscending:@"username"];
    [query findObjectsInBackgroundWithBlock:^(NSArray *objects, NSError *error) {
        if(error){
            NSLog(@"Error %@ %@", error, [error userInfo]);
        }
        else {
            self.friends = objects;
            [self.tableView reloadData];
        }
    }];


    if (self.image == nil && [self.videoFilePath length] == 0) {
    self.imagePicker = [[UIImagePickerController alloc] init];
    self.imagePicker.delegate = self;
    self.imagePicker.allowsEditing = NO;
    self.imagePicker.videoMaximumDuration = 10;

    if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]){
        self.imagePicker.sourceType = UIImagePickerControllerSourceTypeCamera;
    }

    else{
        self.imagePicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
    }

    self.imagePicker.mediaTypes = [UIImagePickerController availableMediaTypesForSourceType:self.imagePicker.sourceType];

    [self presentViewController:self.imagePicker animated:NO completion:nil];
}
}

#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    // Return the number of sections.
    return 1;
}

-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    // Return the number of rows in the section.
    return [self.friends count];
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *CellIdentifier = @"Cell";
    UITableViewCell *cell =  [tableView dequeueReusableCellWithIdentifier:CellIdentifier forIndexPath:indexPath];

    PFUser *user = [self.friends objectAtIndex:indexPath.row];
    cell.textLabel.text = user.username;
    if ([self.recipients containsObject:user.objectId]) {
        cell.accessoryType =UITableViewCellAccessoryCheckmark;
    }
    else {
        cell.accessoryType =UITableViewCellAccessoryNone;

    }

    return cell;
}

#pragma mark - Table View Delegate

-(void)tableView:(UITableView *) tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    [self.tableView deselectRowAtIndexPath:indexPath animated:NO];

    UITableViewCell *cell = [self.tableView cellForRowAtIndexPath:indexPath];
    PFUser *user = [self.friends objectAtIndex:indexPath.row];
    if (cell.accessoryType == UITableViewCellAccessoryNone) {
        cell.accessoryType = UITableViewCellAccessoryCheckmark;
        [self.recipients addObject:user.objectId];
    }
    else {
        cell.accessoryType = UITableViewCellAccessoryNone;
        [self.recipients removeObject:user.objectId];
    }
}

#pragma mark - Image Picker Controller delegate

- (void)imagePickerControllerDidCancel: (UIImagePickerController *)picker {
    [self dismissViewControllerAnimated:NO completion:nil];

    [self.tabBarController setSelectedIndex:0];
}

- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
    NSString *mediaType = [info objectForKey:UIImagePickerControllerMediaType];
    if ([mediaType isEqualToString:(NSString *)kUTTypeImage]) {
        //a photo was taken or selected
        self.image = [info objectForKey:UIImagePickerControllerOriginalImage];
        if (self.imagePicker.sourceType == UIImagePickerControllerSourceTypeCamera) {
            //save the image!
            UIImageWriteToSavedPhotosAlbum(self.image, nil, nil, nil);
        }
    }
    else {
        //video was filmed or selected
        NSURL *imagePickerURL = [info objectForKey:UIImagePickerControllerMediaURL];
        self.videoFilePath = [imagePickerURL path];
        if (self.imagePicker.sourceType == UIImagePickerControllerSourceTypeCamera) {
            //save the video!
            if (UIVideoAtPathIsCompatibleWithSavedPhotosAlbum(self.videoFilePath))
            UISaveVideoAtPathToSavedPhotosAlbum(self.videoFilePath, nil, nil, nil);
        }
    }
    [self dismissViewControllerAnimated:YES completion:nil];
}

#pragma mark - IB ACTIONS

- (IBAction)cancel:(id)sender {
    [self reset];

    [self.tabBarController setSelectedIndex:0];
}

- (IBAction)send:(id)sender {
    if (self.image == nil && [self.videoFilePath length] == 0){
        UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"Try again!"
                                                            message:@"Please capture or select a photo or video to share!"
                                                           delegate:self
                                                  cancelButtonTitle:@"Got it"
                                                  otherButtonTitles:nil];
        [alertView show];
        [self presentViewController:self.imagePicker animated:NO completion:nil];
    }
    else {
        [self uploadMessage];
        [self reset];

        [self.tabBarController setSelectedIndex:0];

    }
}

#pragma mark - Helper Methods

- (void)uploadMessage {
   //check if image or video
    NSData *fileData;
    NSString *fileName;
    NSString *fileType;


    if (self.image != nil) {
        UIImage *newImage = [self resizeImage:self.image toWidth:320.0f andHeight:480.0f];
        fileData = UIImagePNGRepresentation(newImage);
        fileName = @"image.png";
        fileType = @"image";
    }
    else{
        fileData = [NSData dataWithContentsOfFile:self.videoFilePath];
        fileName = @"video.mov";
        fileType = @"video";
    }

    PFFile *file = [PFFile fileWithName:fileName data:fileData];
    [file saveInBackgroundWithBlock:^(BOOL succeeded, NSError *error) {
        if (error){
            UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"An error occurred!"
                                                                message:@"Please try sending your message again!"
                                                               delegate:self
                                                      cancelButtonTitle:@"Got it"
                                                      otherButtonTitles:nil];
            [alertView show];
        }
        else {
            PFObject *message = [PFObject objectWithClassName:@"Messages"];
            [message setObject:file forKey:@"file"];
            [message setObject:fileType forKey:@"fileType"];
            [message setObject:self.recipients forKey:@"recipientIds"];
            [message setObject:[[PFUser currentUser] objectId] forKey:@"senderId"];
            [message setObject:[[PFUser currentUser]username] forKey:@"senderName"];
            [message saveInBackgroundWithBlock:^(BOOL succeeded, NSError *error) {
                if (error){
                    UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"An error occurred!"
                                                                        message:@"Please try sending your message again!"
                                                                       delegate:self
                                                              cancelButtonTitle:@"Got it"
                                                              otherButtonTitles:nil];
                    [alertView show];
                }
                else{
                    //everything was successful
                }

            }];

        }
    }
    //could try a third party pop up like MB Progress hub?


- (void) reset {
    self.image = nil;
    self.videoFilePath = nil;
    [self.recipients removeAllObjects];
}

- (UIImage *) resizeImage: (UIImage *) image toWidth: (float)width andHeight:(float)height {
    CGSize newSize =CGSizeMake(width, height);
    CGRect newRectangle = CGRectMake(0,0, width, height);
    UIGraphicsBeginImageContext(newSize);
    [image drawInRect:newRectangle];
    UIImage *resizedImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();

    return resizedImage;
}


@end