CameraViewController.m

//
//  CameraViewController.m
//  Wildflowers of Detroit Iphone
//
//  Created by Deep Winter on 1/9/12.
//  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
//

#import "CameraViewController.h"
#import "RHDataModel.h"
#import "RHDeviceUser.h"
#import "RHLocation.h"
#import "RHSettings.h"
#import "UIImage+Resize.h"
#import "ALAssetsLibrary+CustomPhotoAlbum.h"
#import "MBProgressHUD.h"

#define kThreePetal 101
#define kFourPetal 102
#define kFivePetal 103
#define kSixPetal 104
#define kManyPetal 105

#define kIrregular 106
#define kComposite 107
#define kTree 108
#define kFruit 109

@implementation CameraViewController

@synthesize imagePicker;
@synthesize pictureDialog, pictureInfo;
@synthesize fullscreenTransitionDelegate;
@synthesize reporter, comment;
@synthesize imageView, currentImage;
@synthesize attributeTranslation, selectedAttributes;
@synthesize shutterView;
@synthesize activeImageOrientation;
@synthesize useCustomCamera;

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)didReceiveMemoryWarning
{
    // Releases the view if it doesn't have a superview.
    [super didReceiveMemoryWarning];
    
    // Release any cached data, images, etc that aren't in use.
}

#pragma mark - View lifecycle

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    self.attributeTranslation = [NSDictionary dictionaryWithObjectsAndKeys:
                                  @"three_petal",[NSNumber numberWithInt:kThreePetal] ,
                                  @"four_petal",[NSNumber numberWithInt:kFourPetal] ,
                                  @"five_petal",[NSNumber numberWithInt:kFivePetal] ,
                                  @"six_petal",[NSNumber numberWithInt:kSixPetal] ,
                                  @"many_petal",[NSNumber numberWithInt:kManyPetal] ,
                                  @"irregulat",[NSNumber numberWithInt:kIrregular] ,
                                  @"composite",[NSNumber numberWithInt:kComposite] ,
                                  @"tree",[NSNumber numberWithInt:kTree] ,
                                  @"fruit",[NSNumber numberWithInt:kFruit] ,
                                 nil];
    
    self.selectedAttributes = [NSMutableArray array];
    self.imagePicker = [[UIImagePickerController alloc] init];
    NSString *ver = [[UIDevice currentDevice] systemVersion];
    float ver_float = [ver floatValue];
    if (ver_float < 5.0) {
        useCustomCamera = FALSE;
    } else {
        useCustomCamera = TRUE;
    }


}

- (void)viewWillAppear:(BOOL)animated{
    [[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];
}

- (void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];
    
    [RHLocation instance];
    
    if([RHSettings useCamera]) {
        if(useCustomCamera){
            [self showImagePickerView];
        } else {
            self.imagePicker.sourceType = UIImagePickerControllerSourceTypeCamera;	
        }
    }
    
}

- (void)viewWillDisappear:(BOOL)animated{

    [[UIDevice currentDevice] endGeneratingDeviceOrientationNotifications];

    
}


- (void) showImagePickerView {
    self.imagePicker.delegate = self;
    self.imagePicker.allowsEditing = NO;
    if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
        if([RHSettings useCamera]) {
            
            self.imagePicker.sourceType = UIImagePickerControllerSourceTypeCamera;	
            self.imagePicker.showsCameraControls = NO;
            
        }else {       
            self.imagePicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
        }
	}
    
    self.imagePicker.view.transform =  
    
    CGAffineTransformScale (
                            CGAffineTransformTranslate(
                                                       CGAffineTransformMakeRotation(-M_PI/2),
                                                       70, 110),
                            // -25, 255),                           
                            // -50, 175), //half
                            // -100,350), //without scale
                            //1.2,1.2) // this is closer to correct
                            1.2, 1.2)
    ;
    
    
    [self.imagePicker.view removeFromSuperview];
    [self.imagePicker.view setFrame:CGRectMake(-0.0f, -1.0f, 569.0f, 321.0f)];
    //[self.imagePicker.view setFrame:self.view.frame];
    NSLog(@"self.imagePicker.view %fx%f at %f,%f",self.imagePicker.view.frame.size.width,self.imagePicker.view.frame.size.height,self.imagePicker.view.frame.origin.x,self.imagePicker.view.frame.origin.y);
    
    [self.view addSubview:self.imagePicker.view];

}

- (void)viewDidUnload
{
    [super viewDidUnload];
    // Release any retained subviews of the main view.
    // e.g. self.myOutlet = nil;
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
    // Return YES for supported orientations
    return (interfaceOrientation == UIInterfaceOrientationLandscapeRight);
}



#pragma mark Interface Methods

- (void) secondTapTabButton{

    if([RHSettings useCamera]){
        
        if( !([CLLocationManager authorizationStatus] == kCLAuthorizationStatusAuthorized)
           || !([CLLocationManager locationServicesEnabled] == YES) ) {
            
            UIAlertView *alert = [[UIAlertView alloc]						  
                                  initWithTitle:[NSString stringWithFormat:@"Location Services Declined"]
                                  message:
                                  [NSString stringWithFormat:@"You must enable location services to capture new images in this application and add them to the map."]
                                  delegate: self
                                  cancelButtonTitle:@"Please Enable Location Services"
                                  otherButtonTitles:nil
                                  ];
            [alert show];
            return;

        }
        
        [self.view addSubview:shutterView];
        if(UIDeviceOrientationIsLandscape([[UIDevice currentDevice] orientation])){
            self.activeImageOrientation = kLandscapePhoto;
        } else {
            self.activeImageOrientation = kPortraitPhoto;
        }
        
        [self.imagePicker takePicture];
    } else {
        //TODO: move testing data to RHSettings
        self.currentImage = [UIImage imageNamed:@"IMG_0015.jpg"];
        [imageView setImage:currentImage];
        [self showPictureDialog];
    }
}

/*TODO: this function should be called by imagePickerController:didFinishPickingMediaWithInfo:*/
- (void) showPictureDialog {
    CGRect frame = self.pictureDialog.frame;
    //frame.origin.x = 480 - 58 - self.pictureDialog.frame.size.width;
    frame.origin.x = self.view.frame.size.width - 58 - self.pictureDialog.frame.size.width;
    frame.origin.y = 108;
    self.pictureDialog.frame = frame;
    [self.view addSubview:self.pictureDialog];
    //and Disable camera tab button
}

- (void) hidePictureDialog {
    [self.pictureDialog removeFromSuperview];

}

- (void) animateShowInfoBox {
    CGRect frame = self.pictureInfo.frame;
    //frame.origin.x = -480;
    frame.origin.x = -1 * self.view.frame.size.width;
    self.pictureInfo.frame = frame;
    [self.view addSubview:self.pictureInfo];
    [UIView beginAnimations:@"anim" context:nil];
    frame = self.pictureInfo.frame;
    frame.origin.x = 0;
    self.pictureInfo.frame = frame;
    
    frame = self.pictureDialog.frame;
    //frame.origin.x = 480;
    frame.origin.x = self.view.frame.size.width;
    self.pictureDialog.frame = frame;
    
    [UIView setAnimationDuration:0.50];
    [UIView setAnimationDelay:0.0];
    [UIView setAnimationCurve:UIViewAnimationCurveEaseOut];
    [UIView commitAnimations];
}

- (void)savePhotoToAlbum:(UIImage *)image
{
    ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];
    
    //[library saveImage:image toAlbum:@"Wild Detroit" completionBlock:nil failureBlock:nil];
    [MBProgressHUD showHUDAddedTo:self.view animated:YES];
    [library saveImage:image
               toAlbum:@"Wild Detroit"
       completionBlock:^(NSURL *assetURL, NSError *error){
            NSLog(@"Error = %@",error);
           [MBProgressHUD hideHUDForView:self.view animated:YES];
       }
          failureBlock:^(NSError *error){
               NSLog(@"Error = %@",error);
              [MBProgressHUD hideHUDForView:self.view animated:YES];
          }];
    /*
    [library writeImageToSavedPhotosAlbum:[image CGImage] orientation:(ALAssetOrientation)[image imageOrientation] completionBlock:^(NSURL *assetURL, NSError *error){
        NSLog(@"Error = %@",error);
        if (error) {
            // TODO: error handling
            
        } else {
            // TODO: success handling
        }
    }];
     */
}

#pragma mark IBActions
- (IBAction) didTouchRetakeButton:(id)sender{
    [self hidePictureDialog];
    //REYF add fix when user successfully created a new obs document the camera viewer does not show up.
    NSInteger imgViewIndex = 0;
    for (NSInteger i=0; i<[self.view.subviews count]; i++)
    {
        if ([[self.view.subviews objectAtIndex:i] isKindOfClass:[UIImageView class]])
            imgViewIndex = i;
        //NSLog(@"view %d = %@", i, [self.view.subviews objectAtIndex:i]);
    }
    
    [self.view exchangeSubviewAtIndex:imgViewIndex withSubviewAtIndex:0];
}

- (IBAction) didTouchCancelUploadButton:(id)sender{
    [self.pictureInfo removeFromSuperview];
    [self.imageView removeFromSuperview];
    [UIView beginAnimations:@"anim" context:nil];
    [UIView setAnimationDuration:0.35];
    [fullscreenTransitionDelegate subviewReleasingFullscreen];
    [UIView setAnimationCurve:UIViewAnimationCurveEaseIn];
    [UIView setAnimationDelegate:self];
    [UIView commitAnimations];
}

- (IBAction) didTouchUploadButton:(id)sender{
    //First hide the tab bar and slide dialog
    [UIView beginAnimations:@"anim" context:nil];
    [UIView setAnimationDuration:0.35];
    [fullscreenTransitionDelegate subviewRequestingFullscreen];
    
    CGRect frame = self.pictureDialog.frame;
    //frame.origin.x = 480;
    frame.origin.x = self.view.frame.size.width;
    self.pictureDialog.frame = frame;
    
    
    //Moved from animate show info box
    frame = self.pictureInfo.frame;
    //frame.origin.x = 480;
    frame.origin.x = self.view.frame.size.width;
    self.pictureInfo.frame = frame;
    [self.view addSubview:self.pictureInfo];
    //[UIView beginAnimations:@"anim" context:nil];
    frame = self.pictureInfo.frame;
    frame.origin.x = 0;
    self.pictureInfo.frame = frame;
    
 
    
    [UIView setAnimationCurve:UIViewAnimationCurveEaseIn];
    [UIView setAnimationDelegate:self];
    [UIView commitAnimations];
    
    [self savePhotoToAlbum:currentImage];
}

- (IBAction) didTouchSendButton:(id)sender{

    //Most of this needs to move to the DataModel
    //Logic for saving should be contained in RHDocument
    //i.e. build a new RHDocument, then call toCouchJson on it or something like that, then send to couchdb.
    
    //Crop Thumbnail
    /*
    CGRect cropBounds;
    cropBounds.size.width = 320;
    cropBounds.size.height = 320;  
    if(currentImage.size.width > currentImage.size.height){
        cropBounds.origin.x = 80;
        cropBounds.origin.y = 0;
    } else {
        cropBounds.origin.x = 0;
        cropBounds.origin.y = 80;
    }
    UIImage * croppedImage = [currentImage croppedImage: cropBounds];
     */
    
    CGRect thumbRect;
    thumbRect.origin.x = 0;
    thumbRect.origin.y = 0;
    thumbRect.size.width = 100;
    thumbRect.size.height = 100;
    UIGraphicsBeginImageContext(thumbRect.size);
    
    //TODO: change currentImage to croppedImage, and fix scaling issues
    [currentImage drawInRect:thumbRect];
    UIImage* thumbImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    
    
    NSData * thumbImageDataJpeg = UIImageJPEGRepresentation(thumbImage, .8);

    //Medium size
    CGSize mediumSize;
    if(currentImage.size.width > currentImage.size.height){
        mediumSize.width = 480;
        mediumSize.height = 320;
    } else {
        mediumSize.width = 320;
        mediumSize.height = 480;
    }
    
    UIGraphicsBeginImageContext(mediumSize);
    [currentImage drawInRect:CGRectMake(0, 0, mediumSize.width, mediumSize.height)];
    UIImage* mediumImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    NSData * mediumImageDataJpeg = UIImageJPEGRepresentation(mediumImage, .8);

    NSMutableDictionary * newDocument = [NSMutableDictionary dictionaryWithObjectsAndKeys:
                                         self.reporter.text, @"reporter",
                                         self.comment.text, @"comment",
                                         [RHLocation getLatitudeString], @"latitude", 
                                         [RHLocation getLongitudeString], @"longitude",
                                         [RESTBody JSONObjectWithDate: [NSDate date]], @"created_at",
                                         //[RESTBody base64WithData: thumbImageDataJpeg ], @"thumb",
                                         //[RESTBody base64WithData: mediumImageDataJpeg ], @"medium",
                                         [RHDeviceUser uniqueIdentifier], @"deviceuser_identifier",
                                         [[RHDataModel instance] project], @"project",
                                         nil];
    
   // NSLog(@"debuggin %@", [newDocument debugDescription]);

    for(NSString * attribute in selectedAttributes){
        [newDocument setObject:@"true" forKey:attribute];
    }
    
    NSString * documentId = [RHDataModel addDocument:newDocument];
    
    [RHDataModel addAttachment:@"thumb.jpg" toDocument:documentId withData:thumbImageDataJpeg andContentType:@"image/jpeg"];

    [RHDataModel addAttachment:@"medium.jpg" toDocument:documentId withData:mediumImageDataJpeg andContentType:@"image/jpeg"];
    
    [UIView beginAnimations:@"anim" context:nil];
    [UIView setAnimationDuration:0.50];
    CGRect frame = self.pictureInfo.frame;
    //frame.origin.x = 480;
    frame.origin.x = self.view.frame.size.width;
    self.pictureInfo.frame = frame;
    
    [fullscreenTransitionDelegate subviewReleasingFullscreen];
    [UIView commitAnimations];
    
    [self clearFormFields];

    [self.view exchangeSubviewAtIndex:1 withSubviewAtIndex:0];

}

- (IBAction) resignFirstResponder:(id)sender {
    [self resignFirstResponder];
}


- (void) setToggleButtonState:(UIButton *) button{
   // NSLog(@"Setting %d", button.tag);

    if(button.selected){
        button.selected = NO;
        NSString * attribute = (NSString *) [attributeTranslation objectForKey:[NSNumber numberWithInt:button.tag]];
        [selectedAttributes removeObject:attribute];

    } else {
        button.selected = YES;
        NSString * attribute = (NSString *) [attributeTranslation objectForKey:[NSNumber numberWithInt:button.tag]];
        [selectedAttributes addObject:attribute];
        
    }
}


//Generalize/Superclass
- (IBAction) didTouchPetalRadio:(id)sender{
    UIButton * button = (UIButton *) sender;
    
    [self setToggleButtonState: button];
    
    int radioFields[5] = {kThreePetal, kFourPetal, kFivePetal, kSixPetal, kManyPetal};
    for(int i=0; i<5; i++){
        int tag = radioFields[i];
    //    NSLog(@"%d", tag);
        if(radioFields[i]!=button.tag){
            UIButton * aButton = (UIButton *) [self.view viewWithTag:radioFields[i]];
            if(aButton.selected){
                aButton.selected = NO;
                NSString * attribute = (NSString *) [attributeTranslation objectForKey:[NSNumber numberWithInt:tag]];
                [selectedAttributes removeObject:attribute];
            }
        }
    }
    

}

- (IBAction) didTouchAttributeCheckbox:(id)sender{
    UIButton * button = (UIButton *) sender;
    [self setToggleButtonState: button ];
}

//abstract?
- (void) clearFormFields {
    int radioFields[9] = {kThreePetal, kFourPetal, kFivePetal, kSixPetal, kManyPetal,kIrregular,kComposite,kTree,kFruit};
    for(int i=0; i<9; i++){
        
        UIButton * button = (UIButton *) [self.view viewWithTag:radioFields[i]];
        button.selected = NO;
        NSString * attribute = (NSString *) [attributeTranslation objectForKey:[NSNumber numberWithInt:i]];
        [selectedAttributes removeObject:attribute];
        
    }
    self.comment.text = @"";
    
}

- (void) confirmImageWithUser: (UIImage *) newImage {
    currentImage = newImage;
    [imageView setImage:currentImage];
    
    if(self.activeImageOrientation == kPortraitPhoto){
     //   imageView.transform = CGAffineTransformScale ( CGAffineTransformMakeRotation(-M_PI/2), 1.7, 1.7);
    } else {
     //   imageView.transform = CGAffineTransformScale ( CGAffineTransformIdentity, 1.8, 1.8);
    }
    [self.view insertSubview:imageView belowSubview:shutterView];
    
    [self showPictureDialog];
    [shutterView removeFromSuperview];

}


#pragma mark UIImagePickerControllerDelegate Methods
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
    currentImage = [info objectForKey:UIImagePickerControllerOriginalImage];
    [self confirmImageWithUser:currentImage];
    [self dismissModalViewControllerAnimated:YES];
       
}

- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker{
    [self dismissModalViewControllerAnimated:YES];
}


@end