#import <Foundation/Foundation.h>

// This helper application haves the functionality needed under root for the main installer application.
// Basically, it is a clone of the "mv" utility, with some tweaks for setting permissions and ownership on the files.



// This code (c) by The MacVidia Project - 2006.
// DiegoMax - August 2006
// Compiled with Intel compiler.


int main (int argc, const char * argv[]) {
    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
	{
		// Here im being sure that i have 3 args (1: path 2: source 3: destination).
		// Quiting if NOT and logging error.
		if (argc != 3) return -1;
		NSString * source = [NSString stringWithUTF8String:argv[1]];
		NSString * destination = [NSString stringWithUTF8String:argv[2]];
		NSString * owner;
		owner = @"system";
		NSMutableDictionary *  attribs = [NSMutableDictionary dictionaryWithCapacity: 2];
		
		
		// I should improve this part later, but it does the job right now.
		[attribs setObject: [NSString stringWithString:@"root"] forKey: NSFileOwnerAccountName];
		[attribs setObject: [NSString stringWithString:@"wheel"] forKey: NSFileGroupOwnerAccountName];
		
		source = [source stringByStandardizingPath];
		destination = [destination stringByStandardizingPath];
		
		printf("Moving \"%s\" to \"%s\"...",[source UTF8String],[destination UTF8String]);
		
		
		
		// REMEMBER: Calling this on a separate thread from the main installer, careful what you do here!
		// REMEMBER: Should add later some improvments to these routines, like double checking permissions and backup of old files
		// on a repository container.
		NSFileManager * manager = [NSFileManager defaultManager];
		if (![manager fileExistsAtPath:source])
		{
			printf("failed\n***No source file at \"%s\".\n",[source UTF8String]);
			return -1;
		}
		
		if ([manager fileExistsAtPath:destination]){
			[manager removeFileAtPath:destination handler:nil];
			NSLog(@"Found old MacVidia Kext....deleting");
			if ([manager movePath:source toPath:destination handler:nil]){
				NSLog(@"New kext copied OK.");
			}
			printf("done\n");
		} else {
			NSLog(@"No old kexts were found, copying new ones!");
			if ([manager movePath:source toPath:destination handler:nil]){
				NSLog(@"New kext copied OK.");
			}
			printf("done\n");
		
		}
		// MAYBE ANOTHER API BUG HERE ? ? ? ? ? ?
		// THIS ROUTINE SOMETIMES DONT WORK; I need to debug a lot yet, but i think its not MY fault.
		
		if ([manager changeFileAttributes:attribs atPath:destination])
		{
			NSLog(@"Permissions applied OK to %@", destination);
		}
	}
    [pool release];
	// Everything is OK.
    return 0;
}