//
//  InAppPurchaseObserver.m
//  Foresta
//
//  Created by Fabrizio on 18/12/12.
//  Copyright (c) 2012 Odyssey. All rights reserved.
//

#import "InAppPurchaseObserver.h"

@implementation InAppPurchaseObserver

// The transaction status of the SKPaymentQueue is sent here.
- (void)paymentQueue:(SKPaymentQueue *)queue updatedTransactions:(NSArray *)transactions {
	for(SKPaymentTransaction *transaction in transactions) {
		switch (transaction.transactionState) {
				
			case SKPaymentTransactionStatePurchasing:
				// Item is still in the process of being purchased
                [[NSNotificationCenter defaultCenter] postNotificationName:@"purchasing" object:nil];

				break;
				
			case SKPaymentTransactionStatePurchased:
				// Item was successfully purchased!
				
				// --- UNLOCK FEATURE OR DOWNLOAD CONTENT HERE ---
				// The purchased item ID is accessible via 
				// transaction.payment.productIdentifier
                [[NSNotificationCenter defaultCenter] postNotificationName:@"paymentComplete" object:nil];
                
				
				// After customer has successfully received purchased content,
				// remove the finished transaction from the payment queue.
				[[SKPaymentQueue defaultQueue] finishTransaction: transaction];
				break;
				
			case SKPaymentTransactionStateRestored:
				// Verified that user has already paid for this item.
				// Ideal for restoring item across all devices of this customer.
				
				// --- UNLOCK FEATURE OR DOWNLOAD CONTENT HERE ---
				// The purchased item ID is accessible via 
				// transaction.payment.productIdentifier
				[[NSNotificationCenter defaultCenter] postNotificationName:@"paymentRestored" object:nil];
				// After customer has restored purchased content on this device,
				// remove the finished transaction from the payment queue.
				[[SKPaymentQueue defaultQueue] finishTransaction: transaction];
				break;
				
			case SKPaymentTransactionStateFailed:
				// Purchase was either cancelled by user or an error occurred.
				
//				if (transaction.error.code != SKErrorPaymentCancelled) {
//					// A transaction error occurred, so notify user.
//                    [[NSNotificationCenter defaultCenter] postNotificationName:@"paymentFailed" object:nil];
//				}
//                
                [[NSNotificationCenter defaultCenter] postNotificationName:@"paymentFailed" object:nil];
				// Finished transactions should be removed from the payment queue.
				[[SKPaymentQueue defaultQueue] finishTransaction: transaction];
				break;
		}
	}
}

@end