#import <Foundation/Foundation.h>
#import <AppKit/NSWorkspace.h>

char* getVersion (NSString *path)
{
    NSDictionary *infoDict = [[NSBundle bundleWithPath:path] infoDictionary];
    NSString *version = ([infoDict valueForKey:@"CFBundleVersion"] != nil) ? [infoDict valueForKey:@"CFBundleVersion"] : @"n/a";
    return [version UTF8String];
}

int main (int argc, const char *argv[])
{
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
    NSFileManager *fm = [NSFileManager defaultManager];
    NSWorkspace *ws = [NSWorkspace sharedWorkspace];

    if (argc < 2)
    {
        printf ("Usage: %s bundle_id | bundle_path\n", basename (argv[0]));
        exit (1);
    }
    
    NSString *arg = [NSString stringWithUTF8String:argv[1]];
    
    if ([ws isFilePackageAtPath:arg])
    {
        printf ("* %s\n", getVersion (arg));
        exit (0);   
    }
 
    NSArray *fA = [fm directoryContentsAtPath:[NSHomeDirectory() stringByAppendingString:@"/Library/Preferences"]];
    
    int i;
    
    for (i = 0; i < [fA count]; i++)
    {
        NSString *plist = [[fA objectAtIndex:i] stringByDeletingPathExtension];
        
        if ([plist hasPrefix:arg])
        {
            printf ("* %s: %s\n", [plist UTF8String], getVersion ([ws absolutePathForAppBundleWithIdentifier:plist]));
        }
    }
    
    [pool release];
    return 0;
}