//
//  RQShareFunction.m
//  LN_School
//
//  Created by 张嵘 on 2018/10/16.
//  Copyright © 2018 Danson. All rights reserved.
//

#import "RQShareFunction.h"
#import "TZImagePickerController.h"//第三方相册
#import "TabBarController.h"
#import "GKPhotoBrowser.h"
#import <MOBFoundation/MobSDK+Privacy.h>
#import "SMSDemoPolicyManager.h"
#import "LocalNotificationManager.h"

static RQShareFunction *_instance = nil;
static dispatch_once_t onceToken;
 
@interface RQShareFunction () <GKPhotoBrowserDelegate>
@property (nonatomic, strong) NSArray *dataSource;
@property (nonatomic, weak) GKPhotoBrowser *browser;
@property (nonatomic, strong) UIPageControl *pageControl;
@property (assign, readwrite, nonatomic) BOOL isCanSave;
@end

@implementation RQShareFunction

+ (instancetype)shareManager {
	return [[self alloc] init];
}

- (instancetype)init{
	dispatch_once(&onceToken, ^{
		_instance = [super init];
	});
	return _instance;
}

- (void)setShieldTopicIDArr:(NSArray *)shieldTopicIDArr {
	NSUserDefaults *userDefault = [NSUserDefaults standardUserDefaults];
	[userDefault setObject:shieldTopicIDArr forKey:@"shieldTopicIDArr"];
	[userDefault synchronize];
}

- (NSArray *)shieldTopicIDArr {
	NSUserDefaults *userDefault = [NSUserDefaults standardUserDefaults];
	NSArray *arr = (NSArray *)[userDefault objectForKey:@"shieldTopicIDArr"]? : [NSArray array];
	return arr;
}

- (void)setShieldPeopleIDArr:(NSArray *)shieldPeopleIDArr {
	NSUserDefaults *userDefault = [NSUserDefaults standardUserDefaults];
	[userDefault setObject:shieldPeopleIDArr forKey:@"shieldPeopleIDArr"];
	[userDefault synchronize];
}

- (NSArray *)shieldPeopleIDArr {
	NSUserDefaults *userDefault = [NSUserDefaults standardUserDefaults];
	NSArray *arr = (NSArray *)[userDefault objectForKey:@"shieldPeopleIDArr"]? : [NSArray array];
	return arr;
}

- (void)setAnnouncementIDArr:(NSArray *)announcementIDArr {
	NSUserDefaults *userDefault = [NSUserDefaults standardUserDefaults];
	[userDefault setObject:announcementIDArr forKey:@"announcementIDArr"];
	[userDefault synchronize];
}

- (NSArray *)announcementIDArr {
	NSUserDefaults *userDefault = [NSUserDefaults standardUserDefaults];
	NSArray *arr = (NSArray *)[userDefault objectForKey:@"announcementIDArr"]? : [NSArray array];
	return arr;
}


// 时间转换为时间戳，精确到微秒
- (NSInteger)getTimeStampWithDate:(NSDate *)date {
	return [[NSNumber numberWithDouble:[date timeIntervalSince1970] * 1000 * 1000] integerValue];
}

// 时间戳转换为时间
- (NSDate *)getDateWithTimeStamp:(NSInteger)timeStamp {
	return [NSDate dateWithTimeIntervalSince1970:timeStamp * 0.001 * 0.001];
}

// 一个时间戳与当前时间的间隔（s）
- (NSInteger)getIntervalsWithTimeStamp:(NSInteger)timeStamp {
	return [[NSDate date] timeIntervalSinceDate:[self getDateWithTimeStamp:timeStamp]];
}

- (NSString *)getCurrentTimeString {
	NSDate *date = [NSDate date];
	NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
	[formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
	NSString *dateString = [formatter stringFromDate:date];
	NSString *timeString = dateString;
	return timeString;
}

- (NSString *)getCurrentTimeStringWithTimeStamp:(NSInteger)timeStamp {
	NSDate *date = [NSDate date];
	NSInteger timeStamp0 = [self getTimeStampWithDate:date];
	NSInteger timeStamp1 = timeStamp0 + (timeStamp * 1000 * 1000);
	NSDate *date1 = [self getDateWithTimeStamp:timeStamp1];
	NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
	[formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
	NSString *dateString = [formatter stringFromDate:date1];
	NSString *timeString = dateString;
	NSLog(@"%@",timeString);
	return timeString;
}

#pragma mark - RQAlertViewController
- (void)showAlertAtViewController:(nonnull UIViewController *)viewController
						WithTitle:(nullable NSString *)title
						  message:(nullable NSString *)message
			 alertControllerStyle:(UIAlertControllerStyle)alertControllerStyle
				cancelButtonTitle:(nullable NSString *)cancelButtonTitle
				otherButtonTitles:(nullable NSArray *)otherButtonTitles
				otherButtonStyles:(nullable NSDictionary *)otherButtonStyles
			 preferredActionTitle:(nullable NSString *)preferredActionTitle
					   completion:(nullable RQAlertViewCompletion)completion {
	__block UIAlertController *alertController = [UIAlertController alertControllerWithTitle:title message:message preferredStyle:alertControllerStyle];
	
	void (^alertActionHandler) (UIAlertAction *) = [^(UIAlertAction *action) {
		if (completion) {
			if (action.style == UIAlertActionStyleCancel) {
				completion(NSNotFound);
			}else {
				NSUInteger index = [alertController.actions indexOfObject:action];
				completion(cancelButtonTitle? index - 1 : index);
			}
		}
		alertController = nil;
	} copy];
	
	if (cancelButtonTitle) {
		UIAlertAction *cancleAction = [UIAlertAction actionWithTitle:cancelButtonTitle style:UIAlertActionStyleCancel handler:alertActionHandler];
		if (@available(iOS 9.0, *)) {
			[cancleAction setValue:defGreen forKey:@"_titleTextColor"];
		} else {
			// Fallback on earlier versions
		}
		[alertController addAction:cancleAction];
	}
	
	if (otherButtonTitles.count == 0) {
		dispatch_async(dispatch_get_main_queue(), ^{
			[[RQ_SHARE_FUNCTION topViewController] presentViewController:alertController animated:YES completion:nil];
		});
	}else {
		[otherButtonTitles.rac_sequence.signal subscribeNext:^(NSString * buttonTitle) {
			NSNumber *actionStyleNumber = [otherButtonStyles valueForKey:buttonTitle];
			UIAlertActionStyle actionStyle = UIAlertActionStyleDefault;
			if (actionStyleNumber) {
				actionStyle = [actionStyleNumber integerValue];
			}
			UIAlertAction *action = [UIAlertAction actionWithTitle:buttonTitle
															 style:actionStyle
														   handler:alertActionHandler];
			if (@available(iOS 9.0, *)) {
				[action setValue:defGreen forKey:@"_titleTextColor"];
			} else {
				// Fallback on earlier versions
			}
			dispatch_async(dispatch_get_main_queue(), ^{
				[alertController addAction:action];
			});
			///Support for iOS9 add preferredAction for highlights the text of that action
			if ([alertController respondsToSelector:@selector(setPreferredAction:)]) {
				if ([preferredActionTitle isEqualToString:buttonTitle]) {
					if (@available(iOS 9.0, *)) {
						[alertController setPreferredAction:action];
					} else {
						// Fallback on earlier versions
					}
				}
			}
		} completed:^{
			dispatch_async(dispatch_get_main_queue(), ^{
				[[RQ_SHARE_FUNCTION topViewController] presentViewController:alertController animated:YES completion:nil];
			});
		}];
	}
}

- (void)showAlertWithTitle:(nullable NSString *)title
				   message:(nullable NSString *)message
	  alertControllerStyle:(UIAlertControllerStyle)alertControllerStyle
		 cancelButtonTitle:(nullable NSString *)cancelButtonTitle
		 otherButtonTitles:(nullable NSArray *)otherButtonTitles
		 otherButtonStyles:(nullable NSDictionary *)otherButtonStyles
	  preferredActionTitle:(nullable NSString *)preferredActionTitle
				completion:(nullable RQAlertViewCompletion)completion{
	[self showAlertAtViewController:[RQ_SHARE_FUNCTION topViewController]
						  WithTitle:title
							message:message
			   alertControllerStyle:alertControllerStyle
				  cancelButtonTitle:cancelButtonTitle
				  otherButtonTitles:otherButtonTitles
				  otherButtonStyles:otherButtonStyles
			   preferredActionTitle:preferredActionTitle
						 completion:completion];
}

- (void)showAlertWithTitle:(nullable NSString *)title
				   message:(nullable NSString *)message
	  alertControllerStyle:(UIAlertControllerStyle)alertControllerStyle
		 cancelButtonTitle:(nullable NSString *)cancelButtonTitle
		 otherButtonTitles:(nullable NSArray *)otherButtonTitles
		 otherButtonStyles:(nullable NSDictionary *)otherButtonStyles
				completion:(nullable RQAlertViewCompletion)completion {
	[self showAlertAtViewController:[RQ_SHARE_FUNCTION topViewController]
						  WithTitle:title
							message:message
			   alertControllerStyle:alertControllerStyle
				  cancelButtonTitle:cancelButtonTitle
				  otherButtonTitles:otherButtonTitles
				  otherButtonStyles:otherButtonStyles
			   preferredActionTitle:nil
						 completion:completion];
}

#pragma mark - Custom Way
- (UIViewController *)topViewController {
	return [RQ_SHARE_FUNCTION topViewController:[UIApplication sharedApplication].keyWindow.rootViewController];
}

- (UIViewController *)topViewController:(UIViewController*)rootViewController {
	if (rootViewController.presentedViewController == nil ||
		rootViewController.presentedViewController.beingDismissed) {
		return rootViewController;
	}
	if ([rootViewController.presentedViewController isMemberOfClass:[UINavigationController class]]) {
		UINavigationController *navigationController = (UINavigationController *)rootViewController.presentedViewController;
		UIViewController *lastViewController = [[navigationController viewControllers] lastObject];
		return [RQ_SHARE_FUNCTION topViewController:lastViewController];
	}
	UIViewController *presentedViewController = (UIViewController *)rootViewController.presentedViewController;
	return [RQ_SHARE_FUNCTION topViewController:presentedViewController];
}

- (UIViewController *)currentViewController {
	UIViewController *resultVC;
	resultVC = [self _topViewController:[[UIApplication sharedApplication].keyWindow rootViewController]];
	
	/// RQ Fixed : 这里必须要判断一下，否则取出来永远都是 RQMainTabBarViewController。这是架构上小缺(特)陷(性)。因为RQMainTabBarViewController的子控制器是UITabBarController，所以需要递归UITabBarController的所有的子控制器
	if ([resultVC isKindOfClass:[TabBarController class]]) {
		TabBarController *mainVc = (TabBarController *)resultVC;
		resultVC = [self _topViewController:mainVc.tabBarController];
	}
	
	while (resultVC.presentedViewController) {
		resultVC = [self _topViewController:resultVC.presentedViewController];
	}
	return resultVC;
}

- (UIViewController *)_topViewController:(UIViewController *)vc {
	if ([vc isKindOfClass:[UINavigationController class]]) {
		return [self _topViewController:[(UINavigationController *)vc topViewController]];
	} else if ([vc isKindOfClass:[UITabBarController class]]) {
		return [self _topViewController:[(UITabBarController *)vc selectedViewController]];
	} else {
		return vc;
	}
}


- (NSData *)compressQualityWithImage:(UIImage *)image MaxLength:(NSInteger)maxLength {
	CGFloat compression = 1;
	NSData *data = UIImageJPEGRepresentation(image, compression);
	if (data.length < maxLength) return data;
	CGFloat max = 1;
	CGFloat min = 0;
	NSData *lastData;
	for (int i = 0; i < 99; ++i) {
		compression = (max + min) / 2;
		data = UIImageJPEGRepresentation(image, compression);
		if (data.length == lastData.length) {
			return data;
		}else {
			lastData = data;
		}
		if (data.length < maxLength * 0.9) {
			min = compression;
		} else if (data.length > maxLength) {
			max = compression;
		} else {
			break;
		}
	}
	return data;
}


/**
 * 展示大图
 *
 * @author ZhangRong
 * @date 2020-06-16 14:30:55
 *
 * @param dataSource 图片数组(Url数组)
 * @param currentIndex 当前标签
 * @param isCanSave 是否保存图片
*/
- (void)showPhotoBrowserWithDataSource:(NSArray *)dataSource currentIndex:(NSInteger)currentIndex isCanSave:(BOOL)isCanSave {
	if (dataSource.count == 0) {
		ShowMsg(@"暂无图片");
		return;
	}
	NSMutableArray *photos = [NSMutableArray new];
	self.dataSource = dataSource;
	self.isCanSave = isCanSave;
		
	[self.dataSource enumerateObjectsUsingBlock:^(id  _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
		if ([obj isKindOfClass:[NSDictionary class]]) {
			GKPhoto *photo = [GKPhoto new];
			photo.url = [NSURL URLWithString:obj[@"IMGPATH"]];
			[photos addObject:photo];
		}else if ([obj isKindOfClass:[NSString class]]) {
			// 替换为中等尺寸图片
			if ([obj rangeOfString:@"thumbnail"].location != NSNotFound) {
				//这个要了没用噢 除非以后我们有清晰的图
				obj= [obj stringByReplacingOccurrencesOfString:@"thumbnail" withString:@"bmiddle"];
			}
			NSCharacterSet *whitespace = [NSCharacterSet whitespaceAndNewlineCharacterSet];
			NSString *str = [obj stringByTrimmingCharactersInSet:whitespace];
			if (str && ![str hasPrefix:@"http"]){
				str = [imgPreFix stringByAppendingString:[obj stringByTrimmingCharactersInSet:whitespace]];
			}
			GKPhoto *photo = [GKPhoto new];
			photo.url = [NSURL URLWithString:str];
			[photos addObject:photo];
		}else if ([obj isKindOfClass:[UIImage class]]) {
			GKPhoto *photo = [GKPhoto new];
			photo.image = obj;
			[photos addObject:photo];
		}
	}];
	
	self.pageControl = [[UIPageControl alloc] init];
	self.pageControl.numberOfPages = photos.count;
	self.pageControl.currentPage = currentIndex;
	self.pageControl.hidesForSinglePage = YES;
	
	self.browser = [GKPhotoBrowser photoBrowserWithPhotos:photos currentIndex:currentIndex];
	_browser.delegate = self;
	_browser.showStyle = GKPhotoBrowserShowStyleNone;        // 缩放显示
	_browser.hideStyle = GKPhotoBrowserHideStyleZoomScale;   // 缩放隐藏
	_browser.loadStyle = GKPhotoBrowserLoadStyleDeterminate; // 不明确的加载方式带阴影
	_browser.maxZoomScale = 20.0f;
	_browser.doubleZoomScale = 2.0f;
	[_browser setupCoverViews:@[self.pageControl] layoutBlock:^(GKPhotoBrowser *photoBrowser, CGRect superFrame) {
		CGFloat pointY = 0;
		if (photoBrowser.isLandspace) {
			pointY = superFrame.size.height - 20;
		}else {
			pointY = superFrame.size.height - 10 - kSafeAreaBottomHeight;
		}

		self.pageControl.center = CGPointMake(superFrame.size.width * 0.5, pointY);
	}];
	[_browser showFromVC:[RQ_SHARE_FUNCTION topViewController]];
}

#pragma mark - GKPhotoBrowserDelegate
- (void)photoBrowser:(GKPhotoBrowser *)browser didChangedIndex:(NSInteger)index {
    self.pageControl.currentPage = index;
}

- (void)photoBrowser:(GKPhotoBrowser *)browser longPressWithIndex:(NSInteger)index {
	if (!_isCanSave) return;
	[RQ_SHARE_FUNCTION showAlertWithTitle:nil message:nil alertControllerStyle:UIAlertControllerStyleActionSheet cancelButtonTitle:@"取消" otherButtonTitles:@[@"保存图片"] otherButtonStyles:nil completion:^(NSUInteger selectedOtherButtonIndex) {
		if (selectedOtherButtonIndex == 0) {
			 GKPhoto *photo = self.browser.photos[self.browser.currentIndex];
			 NSData *imageData = nil;
			if ([photo.image isKindOfClass:[SDAnimatedImage class]]) {
				imageData = [(SDAnimatedImage *)photo.image animatedImageData];
			}else {
				imageData = [photo.image sd_imageData];
			}
			if (!imageData) return;
			   
			   [[PHPhotoLibrary sharedPhotoLibrary] performChanges:^{
				   if (@available(iOS 9, *)) {
					   PHAssetCreationRequest *request = [PHAssetCreationRequest creationRequestForAsset];
					   [request addResourceWithType:PHAssetResourceTypePhoto data:imageData options:nil];
					   request.creationDate = [NSDate date];
				   }
			   } completionHandler:^(BOOL success, NSError *error) {
				   dispatch_async(dispatch_get_main_queue(), ^{
					   if (success) {
						   NSLog(@"保存照片成功");
						   ShowMsg(@"图片保存成功");
					   } else if (error) {
						   ShowMsg(@"保存保存失败");
						   NSLog(@"保存照片出错:%@",error.localizedDescription);
					   }
				   });
			   }];
		}
	}];
}

/**
 * Mob隐私判断
 *
 * @author ZhangRong
 * @date 2020-06-16 14:30:55
*/
- (void)checkMobPolicyOnResult:(void (^_Nullable)(BOOL success))handler {
	//获取隐私协议
	[MobSDK getPrivacyPolicy:@"1" language:@"zh" compeletion:^(NSDictionary * _Nullable data, NSError * _Nullable error) {
		
		NSString *url = data[@"content"];
		if(url) {
			handler(YES);
			[SMSDemoPolicyManager show:url compeletion:^(BOOL accept) {
				//是否接受隐私协议
				[MobSDK uploadPrivacyPermissionStatus:accept onResult:^(BOOL success) {
					NSLog(@"%@",success? @"MobSDK隐私授权成功" : @"MobSDK隐私授权失败");
				}];
				
			}];
		}

	}];
}
@end