Classes/CDISettingsViewController.m

//
//  CDISettingsViewController.m
//  Cheddar for iOS
//
//  Created by Sam Soffes on 4/20/12.
//  Copyright (c) 2012 Nothing Magical. All rights reserved.
//

#import "CDISettingsViewController.h"
#import "CDIUpgradeViewController.h"
#import "CDISettingsTableViewCell.h"
#import "TTTAttributedLabel.h"
#import "UIColor+CheddariOSAdditions.h"
#import "UIButton+CheddariOSAdditions.h"
#import "UIFont+CheddariOSAdditions.h"
#import <MessageUI/MessageUI.h>
#import "CDIAppDelegate.h"
#import "CDISplitViewController.h"
#import "CDIListsViewController.h"

@interface CDISettingsViewController () <MFMailComposeViewControllerDelegate>
@end

@implementation CDISettingsViewController {
	TTTAttributedLabel *_label;
	UIButton *_upgradeButton;
	UIButton *_supportButton;
	UIButton *_signOutButton;
	NSCache *_headerCache;
}


#pragma mark - NSObject

- (id)init {
	return (self = [super initWithStyle:UITableViewStyleGrouped]);
}


#pragma mark - UIViewController

- (void)viewDidLoad {
	[super viewDidLoad];
	self.title = @"Settings";
	self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Done" style:UIBarButtonItemStyleDone target:self action:@selector(close:)];
	
	UIView *background = [[UIView alloc] initWithFrame:CGRectZero];
	background.backgroundColor = [UIColor cheddarArchesColor];
	self.tableView.backgroundView = background;
	
	SSLabel *footer = [[SSLabel alloc] initWithFrame:CGRectMake(0.0f, 0.0f, self.view.frame.size.width, 33.0f)];
	footer.backgroundColor = [UIColor clearColor];
	footer.autoresizingMask = UIViewAutoresizingFlexibleWidth;
	footer.textAlignment = UITextAlignmentCenter;
	footer.textColor = [UIColor cheddarLightTextColor];
	footer.font = [UIFont cheddarFontOfSize:14.0f];
	footer.text = [NSString stringWithFormat:@"Version %@", [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"]];
	footer.shadowColor = [UIColor whiteColor];
	footer.shadowOffset = CGSizeMake(0.0f, 1.0f);
	footer.verticalTextAlignment = SSLabelVerticalTextAlignmentTop;
	self.tableView.tableFooterView = footer;

//	CGFloat width = self.view.bounds.size.width;
//	_label = [[TTTAttributedLabel alloc] initWithFrame:CGRectMake(20.0f, 10.0f, width - 40.0f, 240.0f)];
//	_label.autoresizingMask = UIViewAutoresizingFlexibleWidth;
//	_label.backgroundColor = [UIColor clearColor];
//	_label.font = [UIFont cheddarFontOfSize:18.0f];
//	_label.numberOfLines = 0;
//	_label.textColor = [UIColor cheddarTextColor];
//	_label.verticalAlignment = TTTAttributedLabelVerticalAlignmentTop;
//	_label.userInteractionEnabled = YES;
//	[self.view addSubview:_label];
//
//	_upgradeButton = [UIButton cheddarBigOrangeButton];
//	_upgradeButton.frame = CGRectMake(roundf((width - 280.0f) / 2.0f), 238.0f, 280.0f, 45.0f);
//	_upgradeButton.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin;
//	[_upgradeButton setTitle:@"Upgrade to Cheddar Plus" forState:UIControlStateNormal];
//	[_upgradeButton addTarget:self action:@selector(upgrade:) forControlEvents:UIControlEventTouchUpInside];
//	_upgradeButton.alpha = 0.0f;
//	[self.view addSubview:_upgradeButton];
//
//	_supportButton = [UIButton cheddarBigGrayButton];
//	_supportButton.frame = CGRectMake(roundf((width - 280.0f) / 2.0f), 292.0f, 280.0f, 45.0f);
//	_supportButton.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin;
//	[_supportButton setTitle:@"Support" forState:UIControlStateNormal];
//	[_supportButton addTarget:self action:@selector(support:) forControlEvents:UIControlEventTouchUpInside];
//	[self.view addSubview:_supportButton];
//
//	_signOutButton = [UIButton cheddarBigGrayButton];
//	_signOutButton.frame = CGRectMake(roundf((width - 280.0f) / 2.0f), 346.0f, 280.0f, 45.0f);
//	_signOutButton.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin;
//	[_signOutButton setTitle:@"Sign Out" forState:UIControlStateNormal];
//	[_signOutButton addTarget:self action:@selector(signOut:) forControlEvents:UIControlEventTouchUpInside];
//	[self.view addSubview:_signOutButton];

	[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(_updateUI) name:kCDKPlusDidChangeNotificationName object:nil];
	[self _updateUI];
}


- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
	if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
		return YES;
	}
	
	return toInterfaceOrientation != UIInterfaceOrientationPortraitUpsideDown;
}


#pragma mark - Actions

- (void)close:(id)sender {
	[self.navigationController dismissModalViewControllerAnimated:YES];
}


- (void)upgrade:(id)sender {
	UIViewController *viewController = [[CDIUpgradeViewController alloc] init];
	UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:viewController];
	navigationController.modalPresentationStyle = UIModalPresentationFormSheet;
	[self.navigationController presentModalViewController:navigationController animated:YES];
}


- (void)support:(id)sender {
	if ([MFMailComposeViewController canSendMail] == NO) {
		[[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"https://cheddarapp.com/support"]];
		return;
	}

	MFMailComposeViewController *viewController = [[MFMailComposeViewController alloc] init];
	viewController.toRecipients = [NSArray arrayWithObject:@"support@cheddarapp.com"];
	viewController.subject = @"Cheddar for iOS Help";
	viewController.mailComposeDelegate = self;
	[self.navigationController presentModalViewController:viewController animated:YES];
}


- (void)signOut:(id)sender {
	UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Sign Out" message:@"Are you sure you want to sign out of Cheddar?" delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"Sign Out", nil];
	[alert show];
}


#pragma mark - Private

- (void)_updateUI {
	CDKUser *user = [CDKUser currentUser];
	if (user.hasPlus.boolValue) {
		NSString *text = @"You currently have a Plus account. You're awesome! You can create unlimited lists!";
		[_label setText:text afterInheritingLabelAttributesAndConfiguringWithBlock:^NSMutableAttributedString *(NSMutableAttributedString *mutableAttributedString) {
			CTFontRef boldFont = CTFontCreateWithName((__bridge CFStringRef)kCDIBoldFontName, 20.0f, NULL);
			if (boldFont) {
				[mutableAttributedString addAttribute:(__bridge NSString *)kCTFontAttributeName value:(__bridge id)boldFont range:NSMakeRange(51, 31)];
				CFRelease(boldFont);
			}		
			return mutableAttributedString;
		}];
		_upgradeButton.enabled = NO;
		_upgradeButton.alpha = 0.0f;
	} else {
		NSString *text = @"You currently have a free account.\n\nWith a plus account, you can create unlimited lists. You only get two lists with a free account.";
		[_label setText:text afterInheritingLabelAttributesAndConfiguringWithBlock:^NSMutableAttributedString *(NSMutableAttributedString *mutableAttributedString) {
			CTFontRef boldFont = CTFontCreateWithName((__bridge CFStringRef)kCDIBoldFontName, 20.0f, NULL);
			if (boldFont) {
				[mutableAttributedString addAttribute:(__bridge NSString *)kCTFontAttributeName value:(__bridge id)boldFont range:NSMakeRange(36, 52)];
				CFRelease(boldFont);
			}		
			return mutableAttributedString;
		}];
		_upgradeButton.enabled = YES;
		_upgradeButton.alpha = 1.0f;
	}
}


#pragma mark - MFMailComposeViewControllerDelegate

- (void)mailComposeController:(MFMailComposeViewController *)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError *)error {
	[controller dismissModalViewControllerAnimated:YES];

	if (result == MFMailComposeResultSent) {
		SSHUDView *hud = [[SSHUDView alloc] init];
		[hud completeQuicklyWithTitle:@"Sent!"];
	}
}


#pragma mark - UIAlertViewDelegate

- (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex {
	if (buttonIndex != 1) {
		return;
	}
	
	// Sign out
	[CDKUser setCurrentUser:nil];
	CDIAppDelegate *appDelegate = [CDIAppDelegate sharedAppDelegate];

	if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
		appDelegate.window.rootViewController = [[CDISplitViewController alloc] init];
	} else {
		UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:[[CDIListsViewController alloc] init]];
		appDelegate.window.rootViewController = navigationController;
	}
}


#pragma mark - NSKeyValueObserving

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
	if (context != (__bridge void *)self) {
		[super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
		return;
	}

	if ([keyPath isEqualToString:@"hasPlus"]) {
		[self _updateUI];
	}
}


#pragma mark - UITableViewDataSource

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
	return 3;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
	if (section == 0) {
		return 2;
	} else if (section == 1) {
		return 1;
	} else if (section == 2) {
		return 3;
	}
	
	return 0;
}


- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
	static NSString *cellIdentifier = @"cellIdentifier";
	
	UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
	if (!cell) {
		cell = [[CDISettingsTableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:cellIdentifier];
	}
	
	// Display
	if (indexPath.section == 0) {
		if (indexPath.row == 0) {
			cell.textLabel.text = @"Text Size";
			cell.detailTextLabel.text = @"Large";
		} else if (indexPath.row == 1) {
			cell.textLabel.text = @"Font";
			cell.detailTextLabel.text = @"Gotham";
		}
	}
	
	// Tasks
	if (indexPath.section == 1) {
		if (indexPath.row == 0) {
			cell.textLabel.text = @"Tap Action";
			cell.detailTextLabel.text = @"Complete";
		}
	}
	
	// Other
	if (indexPath.section == 2) {
		if (indexPath.row == 0) {
			cell.textLabel.text = @"About";
			cell.detailTextLabel.text = nil;
		} else if (indexPath.row == 1) {
			cell.textLabel.text = @"Support";
			cell.detailTextLabel.text = nil;
		} else if (indexPath.row == 2) {
			cell.textLabel.text = @"Sign Out";
			cell.detailTextLabel.text = nil;
		}
	}
	
	return cell;
}


#pragma mark - UITableViewDelegate

- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
	if (section == 0) {
		return @"Display";
	} else if (section == 1) {
		return @"Tasks";
	}
	return nil;
}


- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
	if (section == 2) {
		return nil;
	}
	
	if (!_headerCache) {
		_headerCache = [[NSCache alloc] init];
	}
	
	NSNumber *key = [NSNumber numberWithInteger:section];
	SSLabel *label = [_headerCache objectForKey:key];
	if (!label) {
		CGFloat x = UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad ? 40.0f : 20.0f;
		label = [[SSLabel alloc] initWithFrame:CGRectMake(0.0f, 0.0f, self.view.frame.size.width, 44.0f)];
		label.textEdgeInsets = UIEdgeInsetsMake(10.0f, x, 0.0f, 0.0f);
		label.autoresizingMask = UIViewAutoresizingFlexibleWidth;
		label.backgroundColor = [UIColor clearColor];
		label.textColor = [UIColor cheddarTextColor];
		label.font = [UIFont boldCheddarFontOfSize:17.0f];
		label.shadowColor = [UIColor whiteColor];
		label.shadowOffset = CGSizeMake(0.0f, 1.0f);		
		[_headerCache setObject:label forKey:key];
	}
	
	label.text = [self tableView:tableView titleForHeaderInSection:section];
	return label;
}

@end