//
//  BloggenSandboxUtilities.m
//  Bloggen
//
//  Created by Davis Remmel on 2/15/14.
//  Copyright (c) 2014 Davis Remmel. All rights reserved.
//

#import "BloggenSandboxUtilities.h"
#include <unistd.h>
#include <sys/types.h>
#include <pwd.h>
#include <assert.h>

@implementation BloggenSandboxUtilities

+ (NSData *)bookmarkForURL:(NSURL *)url
{
	NSError *error = nil;
	NSData *bookmark = [url
		bookmarkDataWithOptions:NSURLBookmarkCreationMinimalBookmark
		includingResourceValuesForKeys:nil
		relativeToURL:nil
		error:&error
	];
	
	if (error || !bookmark)
	{
		NSLog(@"Error creating bookmark for URL: %@", [error localizedDescription]);
		return nil;
	}
	
	return bookmark;
}

+ (NSURL *)urlForBookmark:(NSData *)bookmark
{
	BOOL bookmarkIsStale = NO;
	NSError *error = nil;
	NSURL *url = [NSURL URLByResolvingBookmarkData:bookmark
		options:NSURLBookmarkResolutionWithoutUI
		relativeToURL:nil
		bookmarkDataIsStale:&bookmarkIsStale
		error:&error
	];
	
	if (bookmarkIsStale)
	{
		return url;
	}
	else if (error)
	{
		NSLog(@"Error creating URL from bookmark: %@", [error localizedDescription]);
		return nil;
	}
	
	return url;
}

+ (NSData *)ssBookmarkForURL:(NSURL *)url
{
	NSError *error = nil;
	NSData *ssBookmark = [url
		bookmarkDataWithOptions:NSURLBookmarkCreationWithSecurityScope | NSURLBookmarkCreationSecurityScopeAllowOnlyReadAccess
		includingResourceValuesForKeys:nil
		relativeToURL:nil
		error:&error
	];
	
	if (error || !ssBookmark)
	{
		NSLog(@"Error creating security-scoped bookmark from URL: %@", [error localizedDescription]);
		return nil;
	}
	
	return ssBookmark;
}

+ (NSURL *)ssURLForSSBookmark:(NSData *)bookmark
{
	BOOL bookmarkIsStale = NO;
	NSError *error = nil;
	NSURL *ssURL = [NSURL URLByResolvingBookmarkData:bookmark
		options:NSURLBookmarkResolutionWithSecurityScope
		relativeToURL:nil
		bookmarkDataIsStale:&bookmarkIsStale
		error:&error];
 
	if (bookmarkIsStale)
	{
		return ssURL; // Non-stale version of bookmark
	}
	else if (error)
	{
		NSLog(@"Error creating security-scoped URL from bookmark: %@", [error localizedDescription]);
		return nil;
	}
	
	return ssURL;
}

+ (NSURL *)ssURLForURL:(NSURL *)url
{
	NSData *ssBookmark = [self ssBookmarkForURL:url];
	NSURL *ssURL = [self ssURLForSSBookmark:ssBookmark];
	
	return ssURL;
}

+ (NSURL *)ssURLForBookmark:(NSData *)bookmark
{
	NSURL *url = [self urlForBookmark:bookmark];
	NSURL *ssURL = [self ssURLForURL:url];
	
	return ssURL;
}

@end