#import "Preferences.h"

@implementation Preferences

static NSUserDefaults *prefs = nil;

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

+ (NSUserDefaults *)prefs {
	
	// If preferences haven't been loaded yet, load them
	if(!prefs)
		prefs = [[NSUserDefaults standardUserDefaults] retain];
	
	// If there are currently no preferences then set defaults
	if(![prefs objectForKey:@"version"]) {
		// Grab and store version string
		[prefs setObject:[[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"]
				  forKey:@"version"];
		
		// Set default prefs
		[prefs setBool:NO forKey:@"displayLogOnAppLaunch"];
		[prefs setBool:NO forKey:@"startBoincOnAppLaunch"];
		[prefs setBool:NO forKey:@"shareData"];
		[prefs setInteger:10000 forKey:@"logBufferSize"];
		[prefs setObject:@"None" forKey:@"proxyType"];
		[prefs setObject:@"" forKey:@"proxyAddress"];
		[prefs setObject:@"" forKey:@"proxyUserName"];
		[prefs setObject:@"" forKey:@"proxyPassword"];
		
		// Store path to BOINC Data
		NSArray *paths = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
		NSString *bdPath = [[paths objectAtIndex:0] stringByAppendingString:@"/Application Support/BOINC Data/"];
		[prefs setObject:bdPath forKey:@"boincDataDirectory"];
	}
	
	// If the current version is not the same as those in the prefs then make the appropriate changes
	if(![[prefs objectForKey:@"version"]
			isEqualToString:[[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"]]) {
		
		// User is upgrading from a previous version
		if([[prefs objectForKey:@"version"] isEqualToString:@"1"] || [[prefs objectForKey:@"version"] isEqualToString:@"2"]) {
			[prefs setObject:@"None" forKey:@"proxyType"];
			[prefs setObject:@"" forKey:@"proxyAddress"];
			[prefs setObject:@"" forKey:@"proxyUserName"];
			[prefs setObject:@"" forKey:@"proxyPassword"];
			
			[prefs removeObjectForKey:@"proxyPort"]; // Preference no longer needed
			
			// Store the BOINC Data path
			NSArray *paths = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
			NSString *oldBDPath = [[paths objectAtIndex:0] stringByAppendingString:@"/Application Support/Boinc Data/"];
			NSString *newBDPath = [[paths objectAtIndex:0] stringByAppendingString:@"/Application Support/BOINC Data/"];
			[[NSFileManager defaultManager] movePath:oldBDPath toPath:newBDPath handler:nil];
			[prefs setObject:newBDPath forKey:@"boincDataDirectory"];
			
			[prefs setBool:NO forKey:@"shareData"];
		}
		
		// Change the version number in preferences
		[prefs setObject:[[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"] forKey:@"version"];
	}
	
	return prefs;
}

@end