//
//  QXQXQXHapticManager.m
//  QXLive
//
//  Created by 启星 on 2025/12/5.
//

#import "QXHapticManager.h"
#import <sys/utsname.h>
@interface QXHapticManager ()
@property (nonatomic, strong) UIImpactFeedbackGenerator *impactGenerator;
@property (nonatomic, strong) UINotificationFeedbackGenerator *notificationGenerator;
@property (nonatomic, strong) UISelectionFeedbackGenerator *selectionGenerator;
@property (nonatomic, assign) BOOL isImpactPrepared;
@property (nonatomic, assign) UIImpactFeedbackStyle preparedStyle;
@end

@implementation QXHapticManager

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

- (instancetype)init {
    self = [super init];
    if (self) {
        _isImpactPrepared = NO;
        // 提前初始化所有生成器
        _impactGenerator = [[UIImpactFeedbackGenerator alloc] initWithStyle:UIImpactFeedbackStyleMedium];
        _notificationGenerator = [[UINotificationFeedbackGenerator alloc] init];
        _selectionGenerator = [[UISelectionFeedbackGenerator alloc] init];
        
        // 提前准备所有生成器
        [self prepareAllGenerators];
    }
    return self;
}

#pragma mark - 支持性检查
+ (BOOL)isHapticFeedbackSupported {
    if (@available(iOS 10.0, *)) {
        // 检查设备型号是否支持
        NSString *deviceModel = [[UIDevice currentDevice] model];
        
        // 检查是否是iPhone 7及以后
        // 这里简化检查，实际应使用更精确的设备型号检测
        // 可以使用 sysctlbyname 获取更精确的设备信息
        struct utsname systemInfo;
        uname(&systemInfo);
        NSString *deviceIdentifier = [NSString stringWithCString:systemInfo.machine
                                                        encoding:NSUTF8StringEncoding];
        
        // iPhone 7及以后的设备标识符（部分示例）
        NSArray *supportedDevices = @[
            @"iPhone9,", @"iPhone10,", @"iPhone11,", @"iPhone12,",
            @"iPhone13,", @"iPhone14,", @"iPhone15,", @"iPhone16,",
            @"iPhone8,4" // iPhone SE (第二代)
        ];
        
        BOOL isSupportedDevice = NO;
        for (NSString *prefix in supportedDevices) {
            if ([deviceIdentifier hasPrefix:prefix]) {
                isSupportedDevice = YES;
                break;
            }
        }
        
        // 如果是模拟器，返回YES以支持调试
        #if TARGET_IPHONE_SIMULATOR
        return YES;
        #else
        return isSupportedDevice;
        #endif
    }
    return NO;
}

- (void)prepareAllGenerators {
    if (![QXHapticManager isHapticFeedbackSupported]) {
        return;
    }
    
    // 在主线程准备所有生成器
    dispatch_async(dispatch_get_main_queue(), ^{
        [self.impactGenerator prepare];
        [self.notificationGenerator prepare];
        [self.selectionGenerator prepare];
    });
}

#pragma mark - 即时触觉反馈
- (void)impactWithStyle:(UIImpactFeedbackStyle)style {
    if (![QXHapticManager isHapticFeedbackSupported]) {
        return;
    }
    
    dispatch_async(dispatch_get_main_queue(), ^{
        // 创建新的生成器确保每次都触发
        UIImpactFeedbackGenerator *generator = [[UIImpactFeedbackGenerator alloc] initWithStyle:style];
        [generator prepare];
        [generator impactOccurred];
        
        // 延迟释放
        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
            [generator prepare];
        });
    });
}

- (void)impactMedium {
    [self impactWithStyle:UIImpactFeedbackStyleMedium];
}

#pragma mark - 带准备的触觉反馈
- (void)prepareImpactWithStyle:(UIImpactFeedbackStyle)style {
    if (![QXHapticManager isHapticFeedbackSupported]) {
        return;
    }
    
    self.preparedStyle = style;
    
    dispatch_async(dispatch_get_main_queue(), ^{
        // 重新创建生成器
        self.impactGenerator = [[UIImpactFeedbackGenerator alloc] initWithStyle:style];
        [self.impactGenerator prepare];
        self.isImpactPrepared = YES;
    });
}

- (void)triggerPreparedImpact {
    if (![QXHapticManager isHapticFeedbackSupported] || !self.isImpactPrepared) {
        return;
    }
    
    dispatch_async(dispatch_get_main_queue(), ^{
        if (self.impactGenerator) {
            [self.impactGenerator impactOccurred];
            // 准备下一次
            [self.impactGenerator prepare];
        }
    });
}

#pragma mark - 其他类型的触觉反馈
- (void)notificationWithType:(UINotificationFeedbackType)type {
    if (![QXHapticManager isHapticFeedbackSupported]) {
        return;
    }
    
    dispatch_async(dispatch_get_main_queue(), ^{
        [self.notificationGenerator notificationOccurred:type];
        [self.notificationGenerator prepare];
    });
}

- (void)selectionChanged {
    if (![QXHapticManager isHapticFeedbackSupported]) {
        return;
    }
    
    dispatch_async(dispatch_get_main_queue(), ^{
        [self.selectionGenerator selectionChanged];
        [self.selectionGenerator prepare];
    });
}

@end