//
//  AutoLyrics.m
//  iLyrics
//
//  Created by Kim Wittenburg on 16.06.12.
//  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
//

#import "AutoLyrics.h"

@implementation AutoLyrics {
    NSTimer *timer;
    NSUInteger interval;
    BOOL enabled;
}

@synthesize replaceOldLyrics;

AutoLyrics *instace;

+(AutoLyrics *)autoLyrics {
    if (instace == nil) {
        instace = [[AutoLyrics alloc] init];
        [instace loadFromDefaults:[NSUserDefaults standardUserDefaults]];
    }
    return instace;
}

-(id)init {
    enabled = NO;
    replaceOldLyrics = NO;
    [self setInterval:5];
    return [super init];
}

-(BOOL)enabled {
    return enabled;
}

-(void)setEnabled:(BOOL)flag {
    enabled = flag;
}

//In seconds
-(void)setInterval:(NSUInteger)i {
    interval = i;
    if (timer) {
        [timer invalidate];
    }
    timer = [[NSTimer alloc] initWithFireDate:[[NSDate alloc]init] interval:interval target:self selector:@selector(shouldSetLyrics:) userInfo:nil repeats:YES];
    [[NSRunLoop currentRunLoop] addTimer:timer forMode:NSDefaultRunLoopMode];
}

-(NSUInteger)interval {
    return interval;
}

-(void)shouldSetLyrics: (NSTimer *) sender {
    if (enabled) {
        iTunesApplication *iTunes = [[iLyrics sharediLyrics] iTunes];
        iTunesTrack *current = [iTunes currentTrack];
        if ([current name] != nil) {
            if (replaceOldLyrics || [[current lyrics] length] == 0) {
                [self setLyrics];
            }
        }
    }
}

-(void)setLyrics { 
    iTunesApplication *iTunes = [[iLyrics sharediLyrics] iTunes];
    iTunesTrack *track = [iTunes currentTrack];
    id<LyricsHoster> hoster = [[iLyrics sharediLyrics] preferredHoster];
    [hoster startNewSearchForQuery:[NSString stringWithFormat:@"%@ - %@", [track name], [track artist]]];
    NSArray *results = [hoster nextResults];
    if (results != nil && [results count] > 0) {
        Lyrics *lyrics = [hoster lyricsBySearchResult:[results objectAtIndex:0]];
        [track setLyrics:[lyrics lyrics]];
        [GrowlApplicationBridge notifyWithTitle:NSLocalizedString(@"Growl.messages.lyricsSent.title", @"") description:[NSString stringWithFormat:NSLocalizedString(@"Growl.messages.lyricsSent.detail", @""), [track name]] notificationName:@"Lyrics sent to iTunes" iconData:nil priority:0 isSticky:NO clickContext:nil];

    }
}

-(void)saveToDefaults:(NSUserDefaults *)defaults {
    [defaults setBool:enabled forKey:@"Auto Lyrics Enabled"];
    [defaults setBool:replaceOldLyrics forKey:@"Auto Lyrics replaces old lyrics"];
}

-(void)loadFromDefaults:(NSUserDefaults *)defaults {
    enabled = [defaults boolForKey:@"Auto Lyrics Enabled"];
    replaceOldLyrics = [defaults boolForKey:@"Auto Lyrics replaces old lyrics"];
}
@end