peko-ios/YuMi/Modules/YMRoom/View/AnimationView/GestureOptimizer.m

//
//  GestureOptimizer.m
//  YuMi
//
//  Created by AI Assistant on 2025/1/13.
//

#import "GestureOptimizer.h"

@interface GestureOptimizer ()

@property (nonatomic, strong) NSMutableDictionary *boundaryCache;

@end

@implementation GestureOptimizer

#pragma mark - Singleton

+ (instancetype)sharedOptimizer {
    static GestureOptimizer *instance = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        instance = [[GestureOptimizer alloc] init];
    });
    return instance;
}

#pragma mark - Initialization

- (instancetype)init {
    if (self = [super init]) {
        _boundaryCache = [NSMutableDictionary dictionary];
        
        NSLog(@"🎯 GestureOptimizer: 初始化完成");
    }
    return self;
}

#pragma mark - Public Methods

- (GestureAreaType)gestureAreaTypeForPoint:(CGPoint)point 
                              containerWidth:(CGFloat)containerWidth {
    // 计算区域边界
    CGFloat leftBoundary = containerWidth / 6.0;  // 1/6 宽度
    CGFloat rightBoundary = containerWidth * 5.0 / 6.0;  // 5/6 宽度
    
    if (point.x < leftBoundary) {
        return GestureAreaType_Left;
    } else if (point.x > rightBoundary) {
        return GestureAreaType_Right;
    } else {
        return GestureAreaType_Center;
    }
}

- (BOOL)shouldGestureRecognizer:(UIGestureRecognizer *)gestureRecognizer
                    receiveTouchAtPoint:(CGPoint)point
                         containerWidth:(CGFloat)containerWidth {
    
    GestureAreaType areaType = [self gestureAreaTypeForPoint:point 
                                              containerWidth:containerWidth];
    
    if ([gestureRecognizer isKindOfClass:[UISwipeGestureRecognizer class]]) {
        // Swipe 手势只在中央区域生效
        BOOL shouldReceive = (areaType == GestureAreaType_Center);
        
        if (shouldReceive) {
            NSLog(@"🎯 GestureOptimizer: Swipe 手势在中央区域生效 - 点: %@", NSStringFromCGPoint(point));
        }
        
        return shouldReceive;
        
    } else if ([gestureRecognizer isKindOfClass:[UITapGestureRecognizer class]]) {
        // Tap 手势根据容器类型决定区域
        BOOL shouldReceive = NO;
        
        // 根据手势识别器所在容器的 tag 来判断区域
        if (gestureRecognizer.view.tag == 1001) { // 中央容器 tag 为 1001
            // 中央区域的 tap 手势
            shouldReceive = (areaType == GestureAreaType_Center);
        } else if (gestureRecognizer.view.tag == 1002) { // 左侧容器 tag 为 1002
            // 左侧区域的 tap 手势
            shouldReceive = (areaType == GestureAreaType_Left);
        } else if (gestureRecognizer.view.tag == 1003) { // 右侧容器 tag 为 1003
            // 右侧区域的 tap 手势
            shouldReceive = (areaType == GestureAreaType_Right);
        }
        
        if (shouldReceive) {
            NSLog(@"🎯 GestureOptimizer: Tap 手势在 %@ 区域生效 (容器tag: %ld) - 点: %@", 
                  [self areaTypeString:areaType], (long)gestureRecognizer.view.tag, NSStringFromCGPoint(point));
        }
        
        return shouldReceive;
    }
    
    return YES;
}

- (NSDictionary *)getAreaBoundariesForContainerWidth:(CGFloat)containerWidth {
    NSString *widthKey = [NSString stringWithFormat:@"%.0f", containerWidth];
    
    // 检查缓存
    if (self.boundaryCache[widthKey]) {
        return self.boundaryCache[widthKey];
    }
    
    // 计算边界
    CGFloat leftBoundary = containerWidth / 6.0;
    CGFloat rightBoundary = containerWidth * 5.0 / 6.0;
    
    NSDictionary *boundaries = @{
        @"leftBoundary": @(leftBoundary),
        @"rightBoundary": @(rightBoundary),
        @"containerWidth": @(containerWidth)
    };
    
    // 缓存结果
    self.boundaryCache[widthKey] = boundaries;
    
    NSLog(@"🎯 GestureOptimizer: 计算区域边界 - 宽度: %.0f, 左边界: %.1f, 右边界: %.1f", 
          containerWidth, leftBoundary, rightBoundary);
    
    return boundaries;
}

- (void)debugGestureAreaForPoint:(CGPoint)point 
                   containerWidth:(CGFloat)containerWidth {
    GestureAreaType areaType = [self gestureAreaTypeForPoint:point 
                                              containerWidth:containerWidth];
    
    NSDictionary *boundaries = [self getAreaBoundariesForContainerWidth:containerWidth];
    
    NSLog(@"🎯 GestureOptimizer 调试信息:");
    NSLog(@"  - 触摸点: %@", NSStringFromCGPoint(point));
    NSLog(@"  - 容器宽度: %.0f", containerWidth);
    NSLog(@"  - 左边界: %.1f", [boundaries[@"leftBoundary"] floatValue]);
    NSLog(@"  - 右边界: %.1f", [boundaries[@"rightBoundary"] floatValue]);
    NSLog(@"  - 区域类型: %@", [self areaTypeString:areaType]);
}

#pragma mark - Private Methods

- (NSString *)areaTypeString:(GestureAreaType)areaType {
    switch (areaType) {
        case GestureAreaType_Left:
            return @"左侧区域";
        case GestureAreaType_Center:
            return @"中央区域";
        case GestureAreaType_Right:
            return @"右侧区域";
        default:
            return @"未知区域";
    }
}

- (void)clearCache {
    [_boundaryCache removeAllObjects];
    NSLog(@"🎯 GestureOptimizer: 清空边界缓存");
}

@end