#include "CheckBook.h"

@implementation CheckBook

-init
{
	transactions = [NSMutableArray array];
	return [super init];
}

-loadFile:(NSString*)file
{
	if(transactions) {
		NSLog(@"Erasing previous dictionary.");
		[transactions release];
	}
	transactions = [NSMutableArray arrayWithContentsOfFile:file];
	return self;
}

-saveFile:(NSString*)file
{
	[transactions writeToFile:file atomically:YES];
	return self;
}

-(double)balance
{
	double balance;
	id objectEnum, object;
	objectEnum = [transactions objectEnumerator];
	while(object = [objectEnum nextObject]) {
		if([[object objectForKey:@"Type"] isEqualToString:@"Debit"]) {
			balance -= [[object objectForKey:@"Amount"] doubleValue];
		} else if([[object objectForKey:@"Type"] isEqualToString:@"Deposit"]) { 
			balance += [[object objectForKey:@"Amount"] doubleValue];
		} else {
			NSLog(@"Invalid type of transaction. Ignoring.");
		}
	}
	return balance;
}

-addEntry:(NSDictionary*)entry
{
	[transactions addObject:entry];
	return self;
}

-(void)dealloc
{
	[transactions release];
//	[super dealloc];
}

@end