#import <SDWebImage/UIImageView+WebCache.h>
#import "CoverViewController.h"
#import "EmulatorViewController.h"
#import "../ui_shared/BootablesProcesses.h"
#import "../ui_shared/BootablesDbClient.h"
#import "PathUtils.h"
#import "BackgroundLayer.h"
#import "CoverViewCell.h"

@interface CoverViewController ()

@end

@implementation CoverViewController

static NSString* const reuseIdentifier = @"coverCell";

- (void)awakeFromNib
{
	[super awakeFromNib];

	ScanBootables(Framework::PathUtils::GetPersonalDataPath());
	ScanBootables("/private/var/mobile");
	PurgeInexistingFiles();
	FetchGameTitles();
}

- (void)viewDidLoad
{
	[super viewDidLoad];

	assert(_bootables == nullptr);
	_bootables = new BootableArray(BootablesDb::CClient::GetInstance().GetBootables());

	CAGradientLayer* bgLayer = [BackgroundLayer blueGradient];
	bgLayer.frame = self.view.bounds;
	[self.view.layer insertSublayer:bgLayer atIndex:0];

	self.collectionView.allowsMultipleSelection = NO;
	if(@available(iOS 11.0, *))
	{
		self.collectionView.contentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentAlways;
	}
}

- (void)viewDidUnload
{
	assert(_bootables != nullptr);
	delete _bootables;

	[super viewDidUnload];
}

- (void)willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration
{
	// resize your layers based on the view’s new bounds
	[[[self.view.layer sublayers] objectAtIndex:0] setFrame:self.view.bounds];
}

- (BOOL)shouldAutorotate
{
	if([self isViewLoaded] && self.view.window)
	{
		return YES;
	}
	else
	{
		return NO;
	}
}

#pragma mark <UICollectionViewDataSource>

- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView*)collectionView
{
	return 1;
}

- (NSString*)collectionView:(UICollectionView*)collectionView titleForHeaderInSection:(NSInteger)section
{
	return @"";
}

- (NSInteger)collectionView:(UICollectionView*)collectionView numberOfItemsInSection:(NSInteger)section
{
	return _bootables->size();
}

- (UICollectionViewCell*)collectionView:(UICollectionView*)collectionView cellForItemAtIndexPath:(NSIndexPath*)indexPath
{
	CoverViewCell* cell = (CoverViewCell*)[collectionView dequeueReusableCellWithReuseIdentifier:reuseIdentifier forIndexPath:indexPath];

	auto bootable = (*_bootables)[indexPath.row];
	UIImage* placeholder = [UIImage imageNamed:@"boxart.png"];
	cell.nameLabel.text = [NSString stringWithUTF8String:bootable.title.c_str()];
	cell.backgroundView = [[UIImageView alloc] initWithImage:placeholder];

	if(!bootable.coverUrl.empty())
	{
		NSString* coverUrl = [NSString stringWithUTF8String:bootable.coverUrl.c_str()];
		[(UIImageView*)cell.backgroundView sd_setImageWithURL:[NSURL URLWithString:coverUrl] placeholderImage:placeholder];
	}

	return cell;
}

#pragma mark <UICollectionViewDelegate>

- (void)prepareForSegue:(UIStoryboardSegue*)segue sender:(id)sender
{
	if([segue.identifier isEqualToString:@"showEmulator"])
	{
		NSIndexPath* indexPath = [[self.collectionView indexPathsForSelectedItems] objectAtIndex:0];
		auto bootable = (*_bootables)[indexPath.row];
		BootablesDb::CClient::GetInstance().SetLastBootedTime(bootable.path, time(nullptr));
		EmulatorViewController* emulatorViewController = segue.destinationViewController;
		emulatorViewController.bootablePath = [NSString stringWithUTF8String:bootable.path.native().c_str()];
		[self.collectionView deselectItemAtIndexPath:indexPath animated:NO];
	}
}

- (IBAction)onExit:(id)sender
{
	exit(0);
}

@end