#import <Cocoa/Cocoa.h>

#import <Foundation/Foundation.h>

#import "PlayerSerachMng.h"

@interface PlayerSearchMng ()

@property (nonatomic,strong) NSString *searchKey;

@implementation PlayerSearchMng

-(void)research

{

[self search:self.searchKey];

}

-(void)search:(NSString *)key

{

assert(self.playerlistOriginal);

self.searchKey = key;

//search title first.

NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF.info.title contains[c] %@",key];

NSPredicate *predicate2 = [NSPredicate predicateWithFormat:@"SELF.info.artist contains[c] %@ ||SELF.info.album contains[c] %@",key,key];

NSMutableArray *dataOld = [_playerlistOriginal.playerTrackList mutableCopy] ;

NSMutableArray *dataNew = [ NSMutableArray array];

[dataNew addObjectsFromArray: [dataOld filteredArrayUsingPredicate:predicate]];

[dataOld removeObjectsInArray: dataNew];

[dataNew addObjectsFromArray:[dataOld filteredArrayUsingPredicate: predicate2]];

if(!_dicFilterToOrginal)

_dicFilterToOrginal = [NSMutableDictionary dictionary];

int i = 0;

for (PlayerTrack *track in dataNew)

{

NSNumber *numNew = [NSNumber numberWithInt:i];

self.dicFilterToOrginal[numNew] = track;

i++;

}

if(!_playerlistFilter)

_playerlistFilter = [[PlayerList alloc]init];

_playerlistFilter.playerTrackList = dataNew;

}

-(PlayerTrack*)getOrginalByIndex:(NSInteger)index

{

NSNumber *numNew = [NSNumber numberWithInteger:index];

return (PlayerTrack*) self.dicFilterToOrginal[numNew];

}