PromoCodesAppViewController.m

//
//  PromoCodesAppViewController.m
//  AppSales
//
//  Created by Ole Zorn on 13.08.11.
//  Copyright 2011 omz:software. All rights reserved.
//

#import "PromoCodesAppViewController.h"
#import "Product.h"
#import "ASAccount.h"
#import "MBProgressHUD.h"
#import "UIImage+Tinting.h"
#import "PromoCodeOperation.h"
#import "PromoCode.h"
#import "ReportDownloadCoordinator.h"

#define kActionsSheetTag			1
#define kDeleteCodesSheetTag		2
#define kActionsAllCodesSheetTag	3

@implementation PromoCodesAppViewController

@synthesize promoCodes, selectedPromoCode, activeSheet;

- (id)initWithProduct:(Product *)aProduct
{
    self = [super initWithStyle:UITableViewStyleGrouped];
    if (self) {
		product = [aProduct retain];
		queue = [[NSOperationQueue alloc] init];
		[queue setMaxConcurrentOperationCount:1];
		dateFormatter = [[NSDateFormatter alloc] init];
		[dateFormatter setDateStyle:NSDateFormatterMediumStyle];
		[dateFormatter setTimeStyle:NSDateFormatterShortStyle];
		[dateFormatter setTimeZone:[NSTimeZone timeZoneForSecondsFromGMT:0]];
		[product addObserver:self forKeyPath:@"promoCodes" options:NSKeyValueObservingOptionNew context:nil];
		[product addObserver:self forKeyPath:@"isDownloadingPromoCodes" options:NSKeyValueObservingOptionNew context:nil];
		
		UIBarButtonItem *flexSpace = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil] autorelease];
		UIBarButtonItem *deleteItem = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemTrash target:self action:@selector(deletePromoCodes:)] autorelease];
		UIBarButtonItem *actionItem = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAction target:self action:@selector(shareCodes:)] autorelease];
		idleToolbarItems = [[NSArray alloc] initWithObjects:deleteItem, flexSpace, actionItem, nil];
		
		UIActivityIndicatorView *spinner = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite] autorelease];
		[spinner startAnimating];
		UIBarButtonItem *spinnerItem = [[[UIBarButtonItem alloc] initWithCustomView:spinner] autorelease];
		
		UILabel *statusLabel = [[[UILabel alloc] initWithFrame:CGRectMake(0, 10, 200, 20)] autorelease];
		statusLabel.font = [UIFont boldSystemFontOfSize:14.0];
		statusLabel.backgroundColor = [UIColor clearColor];
		statusLabel.textColor = [UIColor whiteColor];
		statusLabel.shadowColor = [UIColor blackColor];
		statusLabel.shadowOffset = CGSizeMake(0, -1);
		statusLabel.textAlignment = UITextAlignmentCenter;
		statusLabel.text = NSLocalizedString(@"Loading Promo Codes...", nil);
		
		UIView *statusView = [[[UIView alloc] initWithFrame:CGRectMake(0, 0, 200, 40)] autorelease];
		[statusView addSubview:statusLabel];
		UIBarButtonItem *statusItem = [[[UIBarButtonItem alloc] initWithCustomView:statusView] autorelease];
		
		UIBarButtonItem *stopItem = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemStop target:self action:@selector(stopDownload:)] autorelease];
		busyToolbarItems = [[NSArray alloc] initWithObjects:spinnerItem, flexSpace, statusItem, flexSpace, stopItem, nil];
		
		self.toolbarItems = (product.isDownloadingPromoCodes) ? busyToolbarItems : idleToolbarItems;
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
	self.title = [product displayName];
	self.navigationItem.rightBarButtonItem = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh target:self action:@selector(refreshHistory:)] autorelease];
	
	[self reloadPromoCodes];
}

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
	if ([keyPath isEqualToString:@"promoCodes"]) {
		[self reloadPromoCodes];
	} else if ([keyPath isEqualToString:@"isDownloadingPromoCodes"]) {
		self.toolbarItems = (product.isDownloadingPromoCodes) ? busyToolbarItems : idleToolbarItems;
	}
}

- (void)reloadPromoCodes
{
	self.promoCodes = [[product.promoCodes allObjects] sortedArrayUsingDescriptors:[NSArray arrayWithObject:[[[NSSortDescriptor alloc] initWithKey:@"requestDate" ascending:NO] autorelease]]];
	
	[self.tableView reloadData];
}

- (void)requestNewCodes:(id)sender
{
	FieldSpecifier *numberOfCodesField = [FieldSpecifier numericFieldWithKey:@"numberOfCodes" title:NSLocalizedString(@"Number of Codes", nil) defaultValue:@""];
	
	FieldSectionSpecifier *numberOfCodesSection = [FieldSectionSpecifier sectionWithFields:[NSArray arrayWithObject:numberOfCodesField] 
																					 title:@"" 
																			   description:NSLocalizedString(@"AppSales will automatically adjust the number you enter to the number of codes that are available.", nil)];
	FieldEditorViewController *vc = [[[FieldEditorViewController alloc] initWithFieldSections:[NSArray arrayWithObject:numberOfCodesSection] title:NSLocalizedString(@"Promo Codes", nil)] autorelease];
	vc.delegate = self;
	vc.doneButtonTitle = NSLocalizedString(@"Request", nil);
	vc.cancelButtonTitle = NSLocalizedString(@"Cancel", nil);
	UINavigationController *navController = [[[UINavigationController alloc] initWithRootViewController:vc] autorelease];
	if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad) {
		navController.modalPresentationStyle = UIModalPresentationFormSheet;
	}
	[self presentModalViewController:navController animated:YES];
}

- (void)stopDownload:(id)sender
{
	[[ReportDownloadCoordinator sharedReportDownloadCoordinator] cancelAllDownloads];
}

- (void)deletePromoCodes:(id)sender
{
	if (self.activeSheet.visible) {
		[self.activeSheet dismissWithClickedButtonIndex:activeSheet.cancelButtonIndex animated:NO];
	}
    UIActionSheet *deleteSheet = [[[UIActionSheet alloc] initWithTitle:NSLocalizedString(@"Do you want to delete all promo codes for this app? You can reload them later from your history.", nil) delegate:self cancelButtonTitle:NSLocalizedString(@"Cancel", nil) destructiveButtonTitle:NSLocalizedString(@"Delete Promo Codes", nil) otherButtonTitles:nil] autorelease];
    deleteSheet.tag = kDeleteCodesSheetTag;
	if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad) {
		self.activeSheet = deleteSheet;
		[deleteSheet showFromBarButtonItem:sender animated:YES];
	} else {
		[deleteSheet showFromToolbar:self.navigationController.toolbar];
	}
}

- (void)shareCodes:(id)sender
{
	if (self.activeSheet.visible) {
		[self.activeSheet dismissWithClickedButtonIndex:self.activeSheet.cancelButtonIndex animated:NO];
	}
	UIActionSheet *sheet = [[[UIActionSheet alloc] initWithTitle:nil
														delegate:self 
											   cancelButtonTitle:NSLocalizedString(@"Cancel", nil)
										  destructiveButtonTitle:nil
											   otherButtonTitles:
							 NSLocalizedString(@"Email All Codes", nil), 
							 NSLocalizedString(@"Copy All Codes", nil), nil] autorelease];
	sheet.tag = kActionsAllCodesSheetTag;
	if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad) {
		[sheet showFromBarButtonItem:sender animated:YES];
		self.activeSheet = sheet;
	} else {
		[sheet showFromToolbar:self.navigationController.toolbar];
	}
}

- (void)fieldEditor:(FieldEditorViewController *)editor didFinishEditingWithValues:(NSDictionary *)returnValues
{
	NSInteger numberOfCodes = [[returnValues objectForKey:@"numberOfCodes"] integerValue];
	if (numberOfCodes <= 0) {
		[[[[UIAlertView alloc] initWithTitle:nil message:NSLocalizedString(@"Please enter the number of codes you want to request.", nil) delegate:nil cancelButtonTitle:NSLocalizedString(@"OK", nil) otherButtonTitles:nil] autorelease] show];
		return;
	} else if (numberOfCodes > 50) {
		[[[[UIAlertView alloc] initWithTitle:nil message:NSLocalizedString(@"Please enter a smaller number. You have a maximum of 50 promo codes per version of your app.", nil) delegate:nil cancelButtonTitle:NSLocalizedString(@"OK", nil) otherButtonTitles:nil] autorelease] show];
		return;
	}
	[self dismissModalViewControllerAnimated:YES];
	
	[[ReportDownloadCoordinator sharedReportDownloadCoordinator] downloadPromoCodesForProduct:product numberOfCodes:numberOfCodes];
}

- (void)fieldEditorDidCancel:(FieldEditorViewController *)editor
{
	[self dismissModalViewControllerAnimated:YES];
}

- (void)refreshHistory:(id)sender
{
	[[ReportDownloadCoordinator sharedReportDownloadCoordinator] downloadPromoCodesForProduct:product numberOfCodes:0];
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
	if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPad) {
		return YES;
	}
    return (interfaceOrientation == UIInterfaceOrientationPortrait);
}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return 2;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
	if (section == 0) {
		return 1;
	}
	return [self.promoCodes count];
}

- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
	if (section == 1) {
		return NSLocalizedString(@"Promo Code History", nil);
	}
	return nil;
}

- (NSString *)tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section
{
	if (section == 1) {
		return NSLocalizedString(@"Tap the refresh button to load promo codes you recently requested without AppSales.", nil);
	}
	return nil;
}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
	if (indexPath.section == 0) {
		return 44.0;
	}
	return 55.0;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *CellIdentifier = @"Cell";
    
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (cell == nil) {
        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease];
    }
	
	if (indexPath.section == 0) {
		cell.textLabel.text = NSLocalizedString(@"Request New Codes...", nil);
		cell.imageView.image = [UIImage imageNamed:@"RequestPromoCode.png"];
		cell.imageView.highlightedImage = [UIImage as_tintedImageNamed:@"RequestPromoCode.png" color:[UIColor whiteColor]];
		cell.textLabel.textColor = [UIColor blackColor];
	} else {
		PromoCode *promoCode = [self.promoCodes objectAtIndex:indexPath.row];
		BOOL used = [promoCode.used boolValue];
		cell.textLabel.text = promoCode.code;
		NSString *dateString = [dateFormatter stringFromDate:promoCode.requestDate];
		cell.detailTextLabel.text = (used) ? [NSString stringWithFormat:@"(used)  %@", dateString] : dateString;
		cell.imageView.image = (used) ? [UIImage as_tintedImageNamed:@"PromoCodes.png" color:[UIColor grayColor]] : [UIImage imageNamed:@"PromoCodes.png"];
		cell.imageView.highlightedImage = [UIImage as_tintedImageNamed:@"PromoCodes.png" color:[UIColor whiteColor]];
		cell.textLabel.textColor = (used) ? [UIColor grayColor] : [UIColor blackColor];
	}
	
    return cell;
}


- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
	if (indexPath.section == 1) {
		self.selectedPromoCode = [self.promoCodes objectAtIndex:indexPath.row];
		BOOL used = [selectedPromoCode.used boolValue];
		UIActionSheet *sheet = [[[UIActionSheet alloc] initWithTitle:nil
															delegate:self 
												   cancelButtonTitle:NSLocalizedString(@"Cancel", nil)
											  destructiveButtonTitle:nil
												   otherButtonTitles:
								 NSLocalizedString(@"Email Code", nil), 
								 NSLocalizedString(@"Copy", nil),
								 (used) ? NSLocalizedString(@"Mark as Unused", nil) : NSLocalizedString(@"Mark as Used", nil) , nil] autorelease];
        sheet.tag = kActionsSheetTag;
		[sheet showFromToolbar:self.navigationController.toolbar];
	} else {
		[tableView deselectRowAtIndexPath:indexPath animated:YES];
		[self requestNewCodes:self];
	}
}

- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
{
	[self.tableView deselectRowAtIndexPath:[self.tableView indexPathForSelectedRow] animated:YES];
	
    if (actionSheet.tag == kActionsSheetTag) {
        if (buttonIndex != actionSheet.cancelButtonIndex) {
			if (buttonIndex == 0) {
				//email
				if (![MFMailComposeViewController canSendMail]) {
					[[[[UIAlertView alloc] initWithTitle:NSLocalizedString(@"No Email Account", nil) message:NSLocalizedString(@"You have not configured this device for sending email.", nil) delegate:nil cancelButtonTitle:NSLocalizedString(@"OK", nil) otherButtonTitles:nil] autorelease] show];
					return;
				}
				MFMailComposeViewController *mailComposeViewController = [[[MFMailComposeViewController alloc] init] autorelease];
				mailComposeViewController.mailComposeDelegate = self;
				NSString *body = [NSString stringWithFormat:@"<br/><a href=\"https://phobos.apple.com/WebObjects/MZFinance.woa/wa/freeProductCodeWizard?code=%@\">Redeem Promo Code for %@ (%@)</a>", self.selectedPromoCode.code, [self.selectedPromoCode.product displayName], self.selectedPromoCode.code];
				NSString *subject = [NSString stringWithFormat:@"Promo Code for %@", [product displayName]];
				[mailComposeViewController setMessageBody:body isHTML:YES];
				[mailComposeViewController setSubject:subject];
				[self presentModalViewController:mailComposeViewController animated:YES];
			} else if (buttonIndex == 1) {
				//copy
				[[UIPasteboard generalPasteboard] setString:self.selectedPromoCode.code];
			} else if (buttonIndex == 2) {
				//toggle used
				self.selectedPromoCode.used = [NSNumber numberWithBool:![self.selectedPromoCode.used boolValue]];
				[self.tableView reloadData];
			}
        }
    } else if (actionSheet.tag == kActionsAllCodesSheetTag) {
		if (buttonIndex != actionSheet.cancelButtonIndex) {
			if (buttonIndex == 0) {
				if (![MFMailComposeViewController canSendMail]) {
					[[[[UIAlertView alloc] initWithTitle:NSLocalizedString(@"No Email Account", nil) message:NSLocalizedString(@"You have not configured this device for sending email.", nil) delegate:nil cancelButtonTitle:NSLocalizedString(@"OK", nil) otherButtonTitles:nil] autorelease] show];
					return;
				}
				MFMailComposeViewController *mailComposeViewController = [[[MFMailComposeViewController alloc] init] autorelease];
				mailComposeViewController.mailComposeDelegate = self;
				NSMutableString *body = [NSMutableString stringWithString:@"\n"];
				for (PromoCode *promoCode in self.promoCodes) {
					[body appendFormat:@"%@\n", promoCode.code];
				}
				NSString *subject = [NSString stringWithFormat:@"Promo Codes for %@", [product displayName]];
				[mailComposeViewController setMessageBody:body isHTML:NO];
				[mailComposeViewController setSubject:subject];
				[self presentModalViewController:mailComposeViewController animated:YES];
			} else if (buttonIndex == 1) {
				NSMutableString *allCodes = [NSMutableString string];
				for (PromoCode *promoCode in self.promoCodes) {
					[allCodes appendFormat:@"%@\n", promoCode.code];
				}
				[[UIPasteboard generalPasteboard] setString:allCodes];
			}
		}
	} else if (actionSheet.tag == kDeleteCodesSheetTag) {
        if (buttonIndex != actionSheet.cancelButtonIndex) {
            product.promoCodes = [NSSet set];
            [self.navigationController popViewControllerAnimated:YES];
        }
    }
}

- (void)mailComposeController:(MFMailComposeViewController *)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError *)error
{
	if (self.selectedPromoCode && result == MFMailComposeResultSent) {
		self.selectedPromoCode.used = [NSNumber numberWithBool:YES];
		[self.tableView reloadData];
	}
	[self dismissModalViewControllerAnimated:YES];
}



- (void)dealloc
{
	[product removeObserver:self forKeyPath:@"promoCodes"];
	[product removeObserver:self forKeyPath:@"isDownloadingPromoCodes"];
	[product release];
	[selectedPromoCode release];
	[queue release];
	[dateFormatter release];
	[idleToolbarItems release];
	[busyToolbarItems release];
	[super dealloc];
}

@end