//
//  RQPhotoManager.m
//  RQCommon
//
//  Created by 张嵘 on 2018/11/26.
//  Copyright © 2018 张嵘. All rights reserved.
//	

#import "RQPhotoManager.h"
#import "RQControllerHelper.h"
#import "TZImageManager.h"
#import "TZLocationManager.h"
#import <AssetsLibrary/AssetsLibrary.h>


/// 位置，use to record the location for photo
static CLLocation * st_location = nil;

/// 是否选中了原图
static BOOL st_isSelectOriginalPhoto = NO;

/// 允许最大选中照片数
static CGFloat const RQMaxImagesCount = 8;


@implementation RQPhotoManager
#pragma mark - PhotoBrowser

+ (void)showPhotoBrowser:(UIViewController *)viewController photoURLs:(NSArray<NSURL *> *)photoURLsArray initialPageIndex:(NSUInteger)initialPageIndex delegate:(id<IDMPhotoBrowserDelegate>)delegate{
	[self showPhotoBrowser:viewController photoURLs:photoURLsArray initialPageIndex:initialPageIndex animatedFromView:nil scaleImage:nil delegate:delegate];
}
+ (void)showPhotoBrowser:(UIViewController *)viewController photoURLs:(NSArray<NSURL *> *)photoURLsArray initialPageIndex:(NSUInteger)initialPageIndex animatedFromView:(UIView *)animatedFromView scaleImage:(UIImage *)scaleImage delegate:(id<IDMPhotoBrowserDelegate>)delegate{
	NSArray *photos = [IDMPhoto photosWithURLs:photoURLsArray];
	[self showPhotoBrowser:viewController photos:photos initialPageIndex:initialPageIndex animatedFromView:animatedFromView scaleImage:scaleImage delegate:delegate];
}

+ (void)showPhotoBrowser:(UIViewController *)viewController photos:(NSArray<IDMPhoto *> *)photosArray initialPageIndex:(NSUInteger)initialPageIndex delegate:(id<IDMPhotoBrowserDelegate>)delegate{
	[self showPhotoBrowser:viewController photos:photosArray initialPageIndex:initialPageIndex animatedFromView:nil scaleImage:nil delegate:delegate];
}
+ (void)showPhotoBrowser:(UIViewController *)viewController photos:(NSArray<IDMPhoto *> *)photosArray initialPageIndex:(NSUInteger)initialPageIndex animatedFromView:(UIView *)animatedFromView scaleImage:(UIImage *)scaleImage delegate:(id<IDMPhotoBrowserDelegate>)delegate{
	IDMPhotoBrowser *browser = [[IDMPhotoBrowser alloc] initWithPhotos:photosArray animatedFromView:animatedFromView];
	browser.delegate = delegate;
	browser.displayActionButton = NO;
	browser.displayArrowButton = NO;
	browser.displayCounterLabel = YES;
	browser.usePopAnimation = YES;
	browser.scaleImage = scaleImage;
	browser.autoHideInterface = NO;
	browser.forceHideStatusBar = NO;
	browser.disableVerticalSwipe = NO;
	browser.dismissOnTouch = YES;
	browser.displayDoneButton = NO;
	if (initialPageIndex>0) [browser setInitialPageIndex:initialPageIndex];
	if (viewController==nil) viewController = [RQControllerHelper topViewController];
	[viewController presentViewController:browser animated:YES completion:nil];
}


#pragma mark - ImagePicker
+ (void)fetchPhotosFromCamera:(UIViewController *)viewController allowCrop:(BOOL)allowCrop completion:(void (^)(UIImage *, id))completion{
	viewController = (viewController == nil)?[RQControllerHelper topViewController]:viewController;
	/// 检查授权
	AVAuthorizationStatus authStatus = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
	if ((authStatus == AVAuthorizationStatusRestricted || authStatus == AVAuthorizationStatusDenied) && [UIDevice currentDevice].systemVersion.floatValue >= 7.0f) {
		// 无相机权限 做一个友好的提示 ，这个只是针对 iOS8+
		[NSObject rq_showAlertViewWithTitle:@"无法访问你的相机" message:@"请在iPhone的“设置-隐私-相机”选项中，允许轻空访问你相机" confirmTitle:@"设置" cancelTitle:@"取消" confirmAction:^{
			[self accessApplicationSetting:NO];
            !completion?:completion(nil,nil);
        } cancelAction:^{
            !completion?:completion(nil,nil);
        }];
		
	} else if (authStatus == AVAuthorizationStatusNotDetermined) {
		// fix issue 466, 防止用户首次拍照拒绝授权时相机页黑屏
		if (@available(iOS 7.0, *)) {
			[AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo completionHandler:^(BOOL granted) {
				if (granted) {
					dispatch_sync(dispatch_get_main_queue(), ^{
						[self fetchPhotosFromCamera:viewController allowCrop:allowCrop completion:completion];
					});
				}
			}];
		}else {
			[self fetchPhotosFromCamera:viewController allowCrop:allowCrop completion:completion];
		}
		// 拍照之前还需要检查相册权限
	} else if ([self authorizationStatus] == 2) {
		// 已被拒绝，没有相册权限，将无法保存拍的照片 这个只是针对 iOS8+
		[NSObject rq_showAlertViewWithTitle:@"无法访问你的相册" message:@"请在iPhone的“设置-隐私-相册”选项中，允许轻空访问你相册" confirmTitle:@"设置" cancelTitle:@"取消" confirmAction:^{
			[self accessApplicationSetting:YES];
            !completion?:completion(nil,nil);
        } cancelAction:^{
            !completion?:completion(nil,nil);
        }];
	} else if ([self authorizationStatus] == 0) {
		// 未请求过相册权限
		[[TZImageManager manager] requestAuthorizationWithCompletion:^{
			[self fetchPhotosFromCamera:viewController allowCrop:allowCrop completion:completion];
		}];
	} else {
		/// 访问相机
		/// 提前定位
		[[TZLocationManager manager] startLocationWithSuccessBlock:^(NSArray<CLLocation *> *location) {
			if ([location isKindOfClass:[NSArray class]]) {
				st_location = location.firstObject;
			}else {
				st_location = nil;
			}
		} failureBlock:^(NSError *error) {
			st_location = nil;
            
		}];
		if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera]) {
			UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypeCamera;
			
			UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init];
            
			// set appearance / 改变相册选择页的导航栏外观
			imagePicker.navigationBar.barTintColor = viewController.navigationController.navigationBar.barTintColor;
			imagePicker.navigationBar.tintColor = viewController.navigationController.navigationBar.tintColor;
			UIBarButtonItem *tzBarItem, *BarItem;
			if (@available(iOS 9.0, *)) {
				tzBarItem = [UIBarButtonItem appearanceWhenContainedInInstancesOfClasses:@[[TZImagePickerController class]]];
			} else {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
//这里写出现警告的代码就能实现去除警告
                tzBarItem = [UIBarButtonItem appearanceWhenContainedIn:[TZImagePickerController class], nil];
#pragma clang diagnostic pop
            }
			if (@available(iOS 9.0, *)) {
				BarItem = [UIBarButtonItem appearanceWhenContainedInInstancesOfClasses:@[[UIImagePickerController class]]];
			} else {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
//这里写出现警告的代码就能实现去除警告
                BarItem = [UIBarButtonItem appearanceWhenContainedIn:[UIImagePickerController class], nil];
#pragma clang diagnostic pop
			}
			NSDictionary *titleTextAttributes = [tzBarItem titleTextAttributesForState:UIControlStateNormal];
			[BarItem setTitleTextAttributes:titleTextAttributes forState:UIControlStateNormal];
			imagePicker.sourceType = sourceType;
            // 设置使用手机的前置摄像头。
            imagePicker.cameraDevice = UIImagePickerControllerCameraDeviceFront;
			imagePicker.allowsEditing = allowCrop;
			if (@available(iOS 8.0, *)) {
				imagePicker.modalPresentationStyle = UIModalPresentationOverCurrentContext;
			}
			[viewController presentViewController:imagePicker animated:YES completion:nil];
			
			/// 要监听图片完成的代理
			[imagePicker setBk_didFinishPickingMediaBlock:^(UIImagePickerController *picker, NSDictionary *info) {
				[picker dismissViewControllerAnimated:YES completion:NULL];
				/// 获取到的图片
				UIImage *image = [info objectForKey:UIImagePickerControllerEditedImage];
				if (!image) image = [info objectForKey:UIImagePickerControllerOriginalImage];
                !completion?:completion(image,nil); /// 回调图片
				/// 保存图片，获取到asset
//				[[TZImageManager manager] savePhotoWithImage:image location:st_location completion:^(PHAsset *asset, NSError *error) {
//                    if (!error) {
//                        !completion?:completion(image,nil); /// 回调图片
//                    } else {
//                        !completion?:completion(nil,nil);
//                    }
//				}];
			}];
			/// 监听用户取消的代理
			[imagePicker setBk_didCancelBlock:^(UIImagePickerController *picker){
                !completion?:completion(nil,nil);
				if ([picker isKindOfClass:[UIImagePickerController class]]) [picker dismissViewControllerAnimated:YES completion:NULL];
			}];
		} else {
			NSString *title = nil;
#if TARGET_IPHONE_SIMULATOR
			/// 模拟器
			title = @"模拟器中无法打开照相机,请在真机中使用";
#else
			/// 真机
			title = @"无法打开你的相机！";
#endif
			[NSObject rq_showAlertViewWithTitle:title message:nil confirmTitle:@"我知道了"];
		}
	}
}


+ (void)fetchPhotosFromAlbum:(UIViewController *)viewController maxImagesCount:(NSInteger)maxImagesCount allowCrop:(BOOL)allowCrop selectedAssets:(NSArray *)selecatedAssets completion:(void (^)(NSArray<UIImage *> *, NSArray *, BOOL, NSArray<NSDictionary *> *))completion cancel:(void (^)(void))cancel{
	
	/// show
	if (viewController==nil) viewController = [RQControllerHelper topViewController];
	
	/// imagePicker
	TZImagePickerController *imagePicker = [[TZImagePickerController alloc] initWithMaxImagesCount:(maxImagesCount==0)?[self maxImagesCount]:maxImagesCount columnNumber:[self colunmNumber] delegate:nil];
	
	/// 多选才行
	if (maxImagesCount>1) {
		imagePicker.allowCrop = NO;
		if (selecatedAssets) imagePicker.selectedAssets = [NSMutableArray arrayWithArray:selecatedAssets];
	}else{
		imagePicker.allowCrop = allowCrop;
	}
	
	/// 配置configure
	[self configureImagePicker:imagePicker];
	
	// You can get the photos by block, the same as by delegate.
	// 你可以通过block或者代理，来得到用户选择的照片.
	imagePicker.didFinishPickingPhotosWithInfosHandle = ^(NSArray<UIImage *> *photos, NSArray *assets, BOOL isSelectOriginalPhoto, NSArray<NSDictionary *> *infos) {
		/// 记录一下选择原图的状态
		[self configureSelectOriginalPhoto:isSelectOriginalPhoto];
		
		/// 回调出去
		!completion?:completion(photos,assets,isSelectOriginalPhoto,infos);
		
	};
	
	// viewController.presentingViewController
	[viewController presentViewController:imagePicker animated:YES completion:nil];
}

+ (void)previewPhotos:(UIViewController *)viewController maxImagesCount:(NSInteger)maxImagesCount selectedAssets:(NSArray *)selecatedAssets selectedPhotos:(NSMutableArray *)selectedPhotos currentIndex:(NSInteger)currentIndex completion:(void (^)(NSArray<UIImage *> *, NSArray *, BOOL, NSArray<NSDictionary *> *))completion cancel:(void (^)(void))cancel
{
	/// show
	if (viewController==nil) viewController = [RQControllerHelper topViewController];
	TZImagePickerController *imagePicker = [[TZImagePickerController alloc] initWithSelectedAssets:selecatedAssets.mutableCopy selectedPhotos:selectedPhotos.mutableCopy index:currentIndex];
	imagePicker.maxImagesCount = (maxImagesCount<=0)?[self maxImagesCount]:maxImagesCount;
	imagePicker.allowCrop = NO;
	/// 配置configure
	[self configureImagePicker:imagePicker];
	
	// You can get the photos by block, the same as by delegate.
	// 你可以通过block或者代理，来得到用户选择的照片.
	[imagePicker setDidFinishPickingPhotosHandle:^(NSArray<UIImage *> *photos, NSArray *assets, BOOL isSelectOriginalPhoto){
		/// 记录一下选择原图的状态
		[self configureSelectOriginalPhoto:isSelectOriginalPhoto];
		/// 回调出去
		!completion?:completion(photos,assets,isSelectOriginalPhoto,nil);
	}];
	
	// viewController.presentingViewController
	[viewController presentViewController:imagePicker animated:YES completion:nil];
}


#pragma mark - ImagePicker Helper
+ (void)configureImagePicker:(TZImagePickerController *)imagePicker
{
	imagePicker.minImagesCount = 0;
	imagePicker.allowPreview = YES;
	/// 完成按钮可点击
	imagePicker.alwaysEnableDoneBtn = YES;
	/// 这里需要判断一下
	if (imagePicker.allowCrop) {
		imagePicker.allowPickingOriginalPhoto = NO;
	}else{
		imagePicker.allowPickingOriginalPhoto = YES;
	}
	
	/// system defalut configure
	imagePicker.isSelectOriginalPhoto = [self isSelectOriginalPhoto];
	
	/// 不能选择视频
	imagePicker.allowPickingVideo = NO;
	//// 是否需要圆形裁剪
	imagePicker.needCircleCrop = NO;
	/// 圆形裁剪size
	imagePicker.circleCropRadius = (RQ_SCREEN_MIN_LENGTH - 60);
	/// 配置cropView
	imagePicker.cropViewSettingBlock = ^(UIView *cropView) {
		cropView.layer.borderColor = [UIColor whiteColor].CGColor;
		cropView.layer.borderWidth = .5;
	};
	NSInteger left = 0;
	NSInteger widthHeight = RQ_SCREEN_WIDTH - 2 * left;
	NSInteger top = (RQ_SCREEN_HEIGHT - widthHeight) / 2;
	/// 裁剪尺寸
	imagePicker.cropRect = CGRectMake(left, top, widthHeight, widthHeight);
}

+ (void)fetchOriginalPhotoWithAsset:(id)asset completion:(void (^)(UIImage *, NSDictionary *, BOOL))completion{
	/// 获取原图
	[[TZImageManager manager] getOriginalPhotoWithAsset:asset newCompletion:completion];
}


//// 访问设置 isAblum 相册Or相机
+ (void) accessApplicationSetting:(BOOL)isAblum {
    NSURL *url = [NSURL URLWithString:UIApplicationOpenSettingsURLString];
	if (@available(iOS 10.0, *)) {
        if (![[UIApplication sharedApplication] canOpenURL:url]) {
            [NSObject rq_showAlertViewWithTitle:@"十分抱歉" message:@"无法跳转到隐私设置页面，请手动前往设置页面，谢谢" confirmTitle:@"确定"];
        } else {
            [[UIApplication sharedApplication] openURL:url options:@{} completionHandler:nil];
        }
    } else {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
//这里写出现警告的代码就能实现去除警告
        if (![[UIApplication sharedApplication] openURL:url]) {
            [NSObject rq_showAlertViewWithTitle:@"十分抱歉" message:@"无法跳转到隐私设置页面，请手动前往设置页面，谢谢" confirmTitle:@"确定"];
        } else {
            [[UIApplication sharedApplication] openURL:url];
        }
#pragma clang diagnostic pop
    }
}

+ (BOOL)isSelectOriginalPhoto{
	return st_isSelectOriginalPhoto;
}

+ (void)configureSelectOriginalPhoto:(BOOL)selected{
	st_isSelectOriginalPhoto = selected;
}

/// 多少列
+ (NSInteger)colunmNumber{
	return (RQ_IS_IPHONE_5||RQ_IS_IPHONE_4_OR_LESS)?3:4;
}

/// 允许最大选择
+ (NSInteger)maxImagesCount{
	return RQMaxImagesCount;
}

+ (NSInteger)authorizationStatus {
	if (@available(iOS 8.0, *)) {
		return [PHPhotoLibrary authorizationStatus];
	} else {
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
//这里写出现警告的代码就能实现去除警告
        return [ALAssetsLibrary authorizationStatus];
#pragma clang diagnostic pop
	}
}


@end