#import <UserNotifications/UserNotifications.h>
#import "AppDelegate.h"
@interface AppDelegate ()<UNUserNotificationCenterDelegate>

@end

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
 // 使用 UNUserNotificationCenter 來管理通知
 UNUserNotificationCenter *center = [UNUserNotificationCenter currentNotificationCenter];
 //監(jiān)聽回調(diào)事件
 center.delegate = self;
 
 //iOS 10 使用以下方法注冊(cè)，才能得到授權(quán)
 [center requestAuthorizationWithOptions:(UNAuthorizationOptionAlert + UNAuthorizationOptionSound)
       completionHandler:^(BOOL granted, NSError * _Nullable error) {
        // Enable or disable features based on authorization.
       }];
 
 //獲取當(dāng)前的通知設(shè)置，UNNotificationSettings 是只讀對(duì)象，不能直接修改，只能通過以下方法獲取
 [center getNotificationSettingsWithCompletionHandler:^(UNNotificationSettings * _Nonnull settings) {
  
 }];
 return YES;
}

#pragma mark - UNUserNotificationCenterDelegate
//在展示通知前進(jìn)行處理，即有機(jī)會(huì)在展示通知前再修改通知內(nèi)容。
-(void)userNotificationCenter:(UNUserNotificationCenter *)center willPresentNotification:(UNNotification *)notification withCompletionHandler:(void (^)(UNNotificationPresentationOptions))completionHandler{
 //1. 處理通知
 
 //2. 處理完成后條用 completionHandler ，用于指示在前臺(tái)顯示通知的形式
 completionHandler(UNNotificationPresentationOptionAlert);
}
@end

//使用 UNNotification 本地通知
+(void)registerNotification:(NSInteger )alerTime{
 
 // 使用 UNUserNotificationCenter 來管理通知
 UNUserNotificationCenter* center = [UNUserNotificationCenter currentNotificationCenter];
 
 //需創(chuàng)建一個(gè)包含待通知內(nèi)容的 UNMutableNotificationContent 對(duì)象，注意不是 UNNotificationContent ,此對(duì)象為不可變對(duì)象。
 UNMutableNotificationContent* content = [[UNMutableNotificationContent alloc] init];
 content.title = [NSString localizedUserNotificationStringForKey:@"Hello!" arguments:nil];
 content.body = [NSString localizedUserNotificationStringForKey:@"Hello_message_body"
 arguments:nil];
 content.sound = [UNNotificationSound defaultSound];
 
 // 在 alertTime 后推送本地推送
 UNTimeIntervalNotificationTrigger* trigger = [UNTimeIntervalNotificationTrigger
 triggerWithTimeInterval:alerTime repeats:NO];

 UNNotificationRequest* request = [UNNotificationRequest requestWithIdentifier:@"FiveSecond"
 content:content trigger:trigger];
 
 //添加推送成功后的處理！
 [center addNotificationRequest:request withCompletionHandler:^(NSError * _Nullable error) {
  UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"本地通知" message:@"成功添加推送" preferredStyle:UIAlertControllerStyleAlert];
  UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:nil];
  [alert addAction:cancelAction];
  [[UIApplication sharedApplication].keyWindow.rootViewController presentViewController:alert animated:YES completion:nil];
 }];
}

+ (void)registerLocalNotificationInOldWay:(NSInteger)alertTime {
 // ios8后，需要添加這個(gè)注冊(cè)，才能得到授權(quán)
 // if ([[UIApplication sharedApplication] respondsToSelector:@selector(registerUserNotificationSettings:)]) {
 // UIUserNotificationType type = UIUserNotificationTypeAlert | UIUserNotificationTypeBadge | UIUserNotificationTypeSound;
 // UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:type
 // categories:nil];
 // [[UIApplication sharedApplication] registerUserNotificationSettings:settings];
 // // 通知重復(fù)提示的單位，可以是天、周、月
 // }
 
 UILocalNotification *notification = [[UILocalNotification alloc] init];
 // 設(shè)置觸發(fā)通知的時(shí)間
 NSDate *fireDate = [NSDate dateWithTimeIntervalSinceNow:alertTime];
 NSLog(@"fireDate=%@",fireDate);
 
 notification.fireDate = fireDate;
 // 時(shí)區(qū)
 notification.timeZone = [NSTimeZone defaultTimeZone];
 // 設(shè)置重復(fù)的間隔
 notification.repeatInterval = kCFCalendarUnitSecond;
 
 // 通知內(nèi)容
 notification.alertBody = @"該起床了...";
 notification.applicationIconBadgeNumber = 1;
 // 通知被觸發(fā)時(shí)播放的聲音
 notification.soundName = UILocalNotificationDefaultSoundName;
 // 通知參數(shù)
 NSDictionary *userDict = [NSDictionary dictionaryWithObject:@"開始學(xué)習(xí)iOS開發(fā)了" forKey:@"key"];
 notification.userInfo = userDict;
 
 // ios8后，需要添加這個(gè)注冊(cè)，才能得到授權(quán)
 if ([[UIApplication sharedApplication] respondsToSelector:@selector(registerUserNotificationSettings:)]) {
  UIUserNotificationType type = UIUserNotificationTypeAlert | UIUserNotificationTypeBadge | UIUserNotificationTypeSound;
  UIUserNotificationSettings *settings = [UIUserNotificationSettings settingsForTypes:type
                     categories:nil];
  [[UIApplication sharedApplication] registerUserNotificationSettings:settings];
  // 通知重復(fù)提示的單位，可以是天、周、月
  notification.repeatInterval = NSCalendarUnitDay;
 } else {
  // 通知重復(fù)提示的單位，可以是天、周、月
  notification.repeatInterval = NSDayCalendarUnit;
 }
 
 // 執(zhí)行通知注冊(cè)
 [[UIApplication sharedApplication] scheduleLocalNotification:notification];
}