//
//  FUBeautyComponentManager.m
//  FUBeautyComponentManager
//
//  Created by 项林平 on 2022/6/10.
//

#import "FUBeautyComponentManager.h"


static FUBeautyComponentManager *beautyComponentManager = nil;
static dispatch_once_t onceToken;

@interface FUBeautyComponentManager ()<FUSegmentBarDelegate, FUBeautyFilterViewDelegate>

@property (nonatomic, weak) UIView *targetView;

@property (nonatomic, strong) FUSegmentBar *categoryView;



@property (nonatomic, assign) NSInteger selectedIndex;

@end

@implementation FUBeautyComponentManager

#pragma mark - Class methods

+ (instancetype)sharedManager {
    dispatch_once(&onceToken, ^{
        beautyComponentManager = [[FUBeautyComponentManager alloc] init];
    });
    return beautyComponentManager;
}

+ (void)destory {
    onceToken = 0;
    beautyComponentManager = nil;
}

#pragma mark - Initializer

- (instancetype)init {
    self = [super init];
    if (self) {
        self.selectedIndex = FUBeautyCategoryNone;
    }
    return self;
}

#pragma mark - Instance methods

- (void)addComponentViewToView:(UIView *)view {
    NSAssert(view != nil, @"FUBeautyComponent: view can not be nil!");
    self.targetView = view;
    
//    [self removeComponentView];
//    [self.targetView addSubview:self.beautySkinView];
//    [self.targetView addSubview:self.beautyShapeView];
//    [self.targetView addSubview:self.beautyFilterView];
//    [self.targetView addSubview:self.categoryView];
}

- (void)loadBeauty {
    
    if (![FURenderKit shareRenderKit].beauty) {
        FUBeauty *beauty = [self defaultBeauty];
        [FURenderKit shareRenderKit].beauty = beauty;
    }
    // 分别设置美肤、美型、滤镜
    // 主线程执行：
    dispatch_async(dispatch_get_main_queue(), ^{
        [self.beautySkinViewModel setAllSkinValues];
        [self.beautyShapeViewModel setAllShapeValues];
        [self.beautyFilterViewModel setCurrentFilter];
    });
   
}

- (void)unloadBeauty {
    [FURenderKit shareRenderKit].beauty = nil;
}

- (void)saveBeauty {
    [self.beautySkinViewModel saveSkinsPersistently];
    [self.beautyShapeViewModel saveShapesPersistently];
    [self.beautyFilterViewModel saveFitersPersistently];
}

#pragma mark - Private methods

/// 默认美颜
- (FUBeauty *)defaultBeauty {
    NSString *path = [[NSBundle mainBundle] pathForResource:@"face_beautification" ofType:@"bundle"];
    FUBeauty *beauty = [[FUBeauty alloc] initWithPath:path name:@"FUBeauty"];
    beauty.heavyBlur = 0;
    // 默认均匀磨皮
    beauty.blurType = 3;
    // 默认精细变形
    beauty.faceShape = 4;
    // 高性能设备设置去黑眼圈、去法令纹、大眼、嘴型最新效果
    if ([FURenderKit devicePerformanceLevel] == FUDevicePerformanceLevelHigh) {
        [beauty addPropertyMode:FUBeautyPropertyMode2 forKey:FUModeKeyRemovePouchStrength];
        [beauty addPropertyMode:FUBeautyPropertyMode2 forKey:FUModeKeyRemoveNasolabialFoldsStrength];
        [beauty addPropertyMode:FUBeautyPropertyMode3 forKey:FUModeKeyEyeEnlarging];
        [beauty addPropertyMode:FUBeautyPropertyMode3 forKey:FUModeKeyIntensityMouth];
    }
    return beauty;
}



#pragma mark - Event response

- (void)compareTouchDownAction {
    if (self.delegate && [self.delegate respondsToSelector:@selector(beautyComponentDidTouchDownComparison)]) {
        [self.delegate beautyComponentDidTouchDownComparison];
    }
}

- (void)compareTouchUpAction {
    if (self.delegate && [self.delegate respondsToSelector:@selector(beautyComponentDidTouchUpComparison)]) {
        [self.delegate beautyComponentDidTouchUpComparison];
    }
}

#pragma mark - FUSegmentBarDelegate

- (void)segmentBar:(FUSegmentBar *)segmentBar didSelectItemAtIndex:(NSUInteger)index {
    if (index == self.selectedIndex) {
        // 隐藏
//        segmentBar.userInteractionEnabled = NO;
//        [self hideEffectView:[self showingView] animated:YES completion:^{
//            segmentBar.userInteractionEnabled = YES;
//        }];
//        self.compareButton.transform = CGAffineTransformIdentity;
//        self.compareButton.hidden = YES;
//        [segmentBar selectItemAtIndex:-1];
//        self.selectedIndex = FUBeautyCategoryNone;
//        if (self.delegate && [self.delegate respondsToSelector:@selector(beautyComponentViewHeightDidChange:)]) {
//            [self.delegate beautyComponentViewHeightDidChange:CGRectGetHeight(self.categoryView.frame)];
//        }
//    } else {
//        segmentBar.userInteractionEnabled = NO;
//        if (self.selectedIndex > FUBeautyCategoryNone) {
//            [self hideEffectView:[self showingView] animated:NO completion:nil];
//        }
//        self.selectedIndex = index;
//        [self showEffectView:[self showingView] animated:YES completion:^{
//            segmentBar.userInteractionEnabled = YES;
//        }];
    }
}

#pragma mark - FUBeautyFilterViewDelegate

- (void)beautyFilterViewDidChangeFilter:(NSString *)name {
    if (self.delegate && [self.delegate respondsToSelector:@selector(beautyComponentNeedsDisplayPromptContent:)]) {
        [self.delegate beautyComponentNeedsDisplayPromptContent:name];
    }
}

#pragma mark - FUBeautyStyleViewDelegate

- (void)beautyStyleViewDidSelectStyle {
    [self.categoryView refresh];
}

- (void)beautyStyleViewDidCancelStyle {
    [self.categoryView refresh];
    // 取消风格推荐，恢复美肤、美型、滤镜效果
    [self.beautySkinViewModel setAllSkinValues];
    [self.beautyShapeViewModel setAllShapeValues];
    [self.beautyFilterViewModel setCurrentFilter];
}

#pragma mark - Getters

- (FUSegmentBar *)categoryView {
    if (!_categoryView) {
        NSArray<NSString *> *categories = @[@"美肤", @"美型", @"滤镜"];
        FUSegmentBarConfigurations *configurations = [[FUSegmentBarConfigurations alloc] init];
        configurations.titleFont = [UIFont systemFontOfSize:15];
        _categoryView = [[FUSegmentBar alloc] initWithFrame:CGRectMake(0, CGRectGetHeight(self.targetView.bounds) - FUBeautyHeightIncludeBottomSafeArea(FUBeautyCategoryViewHeight), CGRectGetWidth(self.targetView.bounds), FUBeautyHeightIncludeBottomSafeArea(FUBeautyCategoryViewHeight)) titles:categories configuration:configurations];
        _categoryView.delegate = self;
    }
    return _categoryView;
}



//- (FUBeautySkinView *)beautySkinView {
//    if (!_beautySkinView) {
//        _beautySkinView = [[FUBeautySkinView alloc] initWithFrame:CGRectMake(0, CGRectGetMinY(self.categoryView.frame), CGRectGetWidth(self.targetView.bounds), FUBeautyFunctionViewOverallHeight) viewModel:self.beautySkinViewModel];
//        _beautySkinView.hidden = YES;
//    }
//    return _beautySkinView;
//}
//
//- (FUBeautyShapeView *)beautyShapeView {
//    if (!_beautyShapeView) {
//        _beautyShapeView = [[FUBeautyShapeView alloc] initWithFrame:CGRectMake(0, CGRectGetMinY(self.categoryView.frame), CGRectGetWidth(self.targetView.bounds), FUBeautyFunctionViewOverallHeight) viewModel:self.beautyShapeViewModel];
//        _beautyShapeView.hidden = YES;
//    }
//    return _beautyShapeView;
//}

//- (FUBeautyFilterView *)beautyFilterView {
//    if (!_beautyFilterView) {
//        _beautyFilterView = [[FUBeautyFilterView alloc] initWithFrame:CGRectMake(0, CGRectGetMinY(self.categoryView.frame), CGRectGetWidth(self.targetView.bounds), FUBeautyFunctionViewOverallHeight) viewModel:self.beautyFilterViewModel];
//        _beautyFilterView.hidden = YES;
//        _beautyFilterView.delegate = self;
//    }
//    return _beautyFilterView;
//}
//FUBeautyComponentManager
- (FUBeautySkinViewModel *)beautySkinViewModel {
    if (!_beautySkinViewModel) {
        _beautySkinViewModel = [[FUBeautySkinViewModel alloc] init];
    }
    return _beautySkinViewModel;
}

- (FUBeautyShapeViewModel *)beautyShapeViewModel {
    if (!_beautyShapeViewModel) {
        _beautyShapeViewModel = [[FUBeautyShapeViewModel alloc] init];
    }
    return _beautyShapeViewModel;
}

- (FUBeautyFilterViewModel *)beautyFilterViewModel {
    if (!_beautyFilterViewModel) {
        _beautyFilterViewModel = [[FUBeautyFilterViewModel alloc] init];
    }
    return _beautyFilterViewModel;
}

- (CGFloat)componentViewHeight {
    if (self.selectedIndex == FUBeautyCategoryNone) {
        return FUBeautyHeightIncludeBottomSafeArea(FUBeautyCategoryViewHeight);
    } else {
        return FUBeautyHeightIncludeBottomSafeArea(FUBeautyCategoryViewHeight) + FUBeautyFunctionViewOverallHeight;
    }
}

@end