//
//  DumbMetadataReader.m
//  Dumb
//
//  Created by Vincent Spader on 10/12/07.
//  Copyright 2007 __MyCompanyName__. All rights reserved.
//

#import "DumbMetadataReader.h"
#import "DumbDecoder.h"

#import <Dumb/dumb.h>

#import "Logging.H"

@implementation DumbMetadataReader

+ (NSArray *)fileTypes {
	return [DumbDecoder fileTypes];
}

+ (NSArray *)mimeTypes {
	return [DumbDecoder mimeTypes];
}

+ (float)priority {
	return 1.0f;
}

+ (NSDictionary *)metadataForURL:(NSURL *)url {
	id audioSourceClass = NSClassFromString(@"AudioSource");
	id<CogSource> source = [audioSourceClass audioSourceForURL:url];

	if(![source open:url])
		return 0;

	if(![source seekable])
		return 0;

	[source seek:0 whence:SEEK_END];
	long size = [source tell];
	[source seek:0 whence:SEEK_SET];

	void *data = malloc(size);
	[source read:data amount:size];

	DUMBFILE *df = dumbfile_open_memory_and_free(data, size);
	if(!df) {
		ALog(@"Open failed for file: %@", [url absoluteString]);
		return NO;
	}

	DUH *duh;
	NSString *ext = [[url pathExtension] lowercaseString];
	duh = dumb_read_any_quick(df, [ext isEqualToString:@"mod"] ? 0 : 1, 0);

	dumbfile_close(df);

	if(!duh) {
		ALog(@"Failed to create duh");
		return nil;
	}

	// Some titles are all spaces?!
	NSString *title = [[NSString stringWithUTF8String:duh_get_tag(duh, "TITLE")] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
	unload_duh(duh);

	if(title == nil) {
		title = @"";
	}

	return [NSDictionary dictionaryWithObject:title forKey:@"title"];
}

@end