//
//  Singleton.m
//  iSales-NPD
//
//  Created by Jack on 2016/10/12.
//  Copyright © 2016年 United Software Applications, Inc. All rights reserved.
//

#import "RASingleton.h"
#import "NotificationNameCenter.h"
#import "AppDelegate.h"
#import "RAUtils.h"
@interface RASingleton ()

@property (nonatomic,strong) NSMutableDictionary *globalParameters;


@end

@implementation RASingleton
#pragma mark - Global Parameter

- (NSMutableDictionary *)globalParameters {
    if (!_globalParameters) {
        _globalParameters = [NSMutableDictionary dictionary];
    }
    return _globalParameters;
}


- (void)setGlobalParameter:(id)param forKey:(NSString *)key {
    if (param == nil || key == nil) {
        return;
    }
    [self.globalParameters setObject:param forKey:key];
}
- (id)globalParameterForKey:(NSString *)key {
    if (key == nil) {
        return nil;
    }
    return [self.globalParameters objectForKey:key];
}
- (void)setUser:(NSString *)user {
    _user = user;
    
    [self setGlobalParameter:_user forKey:@"user"];
}
- (void)setPassword:(NSString *)password {
    _password = password;
    [self setGlobalParameter:_password forKey:@"password"];
}

- (void)dealloc {
    [[NSNotificationCenter defaultCenter] removeObserver:self];
    
    [self removeObserver:self forKeyPath:@"stack_contents"];
}
//- (instancetype)init {
//    if (self = [super init]) {
//        
//        [self addObserver:self forKeyPath:@"scan_cart"
//                                       options:(NSKeyValueObservingOptionNew|NSKeyValueObservingOptionOld)
//                                       context:@"content changed"];
//      
//    }
//    return self;
//}

+ (instancetype)sharedInstance {
    
    static RASingleton *singleton = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        
        singleton = [[RASingleton alloc] init];
        [[NSNotificationCenter defaultCenter] addObserver:singleton selector:@selector(handleLogin:) name:User_LoginOK_Notification object:nil];
        

        
//        self addObserver:self forKeyPath:self.scan_cart options:<#(NSKeyValueObservingOptions)#> context:<#(nullable void *)#>
    });
    return singleton;
}

//- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
//{
//    if(self.enable_OfflineOrder)
//    {
//    if([keyPath isEqualToString:@"scan_cart"])
//    {
//        NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
//        NSString *documents = [paths objectAtIndex:0];
//        AppDelegate *appDelegate = (AppDelegate*)[[UIApplication sharedApplication] delegate];
//            
//            
//        NSString *orderdir = [documents stringByAppendingPathComponent:appDelegate.order_code];
//        
//        NSString *cartpath = [orderdir stringByAppendingPathComponent:@"cart.json"];
//        
//        
//        
//        [RAUtils dicttofile:cartpath dict:self.scan_cart];
//        
//        
//        self.scan_cart addObserver:<#(nonnull NSObject *)#> forKeyPath:<#(nonnull NSString *)#> options:<#(NSKeyValueObservingOptions)#> context:<#(nullable void *)#>
//        
//    }
//    }
//
//}

- (void)setGlobal_lock:(BOOL)global_lock {
    _global_lock = global_lock;
    if (global_lock) {
        [[NSNotificationCenter defaultCenter] postNotificationName:Lock_Permission_Notification object:nil];
    } else {
        [[NSNotificationCenter defaultCenter] postNotificationName:unLock_Permission_Notification object:nil];
    }
}

- (void)resetGlobalLock {
    _global_lock = NO;
}

- (void)handleLogin:(NSNotification *)notification {
    self.currentOrderIsMerged = NO;
}

- (NSString *)homeClickedItemName {
    if (!_homeClickedItemName) {
        _homeClickedItemName = @"";
    }
    return _homeClickedItemName;
}

- (NSString *)deliveryString {
    if (!_deliveryString) {
        _deliveryString = @"";
    }
    return _deliveryString;
}

@end