//
//  customSwitchButton.m
//  双子星云手机
//
//  Created by xd h on 2026/1/5.
//

#import "customSwitchButton.h"

@interface customSwitchButton ()

@property (nonatomic, strong) NSArray<UIColor *> *thumbGradientColors; // 滑块渐变色数组

@property (nonatomic, copy) NSString *onText;   // 打开状态文字
@property (nonatomic, copy) NSString *offText;  // 关闭状态文字
@property (nonatomic, strong) UIColor *textColor; // 文字颜色
@property (nonatomic, strong) UIFont *textFont;   // 文字字体

// 视图组件
@property (nonatomic, strong) UIView *backgroundView;//整体背景
@property (nonatomic, strong) UILabel *onLabel;//开提示语
@property (nonatomic, strong) UILabel *offLabel;//关提示语
@property (nonatomic, strong) UIView *thumbView;//滑块
@property (nonatomic, strong) UILabel *thumbLabel;//滑块
@property (nonatomic, strong) CAGradientLayer *gradientLayer;


@property (nonatomic, strong) UIButton *curButton;//处理点击事件


@property (nonatomic, assign) BOOL didClickType;   // 用户点击
@end

@implementation customSwitchButton

// 初始化方法
- (instancetype)initWithFrame:(CGRect)frame
                     onText:(NSString *)onText
                    offText:(NSString *)offText
{
    self = [super initWithFrame:frame];
    if (self) {
        // 默认值
        _on = NO;

        _textColor = [UIColor whiteColor];
        _textFont = [UIFont systemFontOfSize:12.0];
        
        // 设置文字
        _onText = onText ?: @"ON";
        _offText = offText ?: @"OFF";
        
        // 设置渐变色
        // 默认渐变色：蓝到紫
        _thumbGradientColors = @[
            [UIColor hwColor:@"#0CDEFD" alpha:1.0],
            [UIColor hwColor:@"#058DFB" alpha:1.0]
        ];
        
        [self setupUI];
        
    }
    return self;
}

- (void)setupUI {
    // 背景视图
    self.backgroundView = [[UIView alloc] init];
    self.backgroundView.layer.cornerRadius = 6;
    self.backgroundView.layer.masksToBounds = YES;
    self.backgroundView.backgroundColor = [UIColor hwColor:@"#43536B" alpha:1.0];
    [self addSubview:self.backgroundView];
    
    // 打开状态文字
    self.onLabel = [[UILabel alloc] init];
    self.onLabel.text = self.onText;
    self.onLabel.textColor = self.textColor;
    self.onLabel.font = self.textFont;
    self.onLabel.textAlignment = NSTextAlignmentCenter;
    self.onLabel.alpha = 1.0;
    [self.backgroundView addSubview:self.onLabel];
    
    // 关闭状态文字
    self.offLabel = [[UILabel alloc] init];
    self.offLabel.text = self.offText;
    self.offLabel.textColor = self.textColor;
    self.offLabel.font = self.textFont;
    self.offLabel.textAlignment = NSTextAlignmentCenter;
    self.offLabel.alpha = 1.0;
    [self.backgroundView addSubview:self.offLabel];
    
    // 滑块视图
   self.thumbView = [[UIView alloc] init];
   self.thumbView.layer.cornerRadius = 6.0;
   self.thumbView.layer.masksToBounds = YES;
   [self addSubview:self.thumbView];
    
    
    // 滑块渐变色层
    self.gradientLayer = [CAGradientLayer layer];
    self.gradientLayer.cornerRadius = 6.0;
    self.gradientLayer.masksToBounds = YES;
    // 设置渐变方向为左上到右下
    self.gradientLayer.startPoint = CGPointMake(0, 0.5);
    self.gradientLayer.endPoint = CGPointMake(0.97, 0.5);
    
    // 设置渐变色
    NSMutableArray *cgColors = [NSMutableArray array];
    for (UIColor *color in self.thumbGradientColors) {
        [cgColors addObject:(id)color.CGColor];
    }
    self.gradientLayer.colors = cgColors;
    
    [self.thumbView.layer insertSublayer:self.gradientLayer atIndex:0];
    
    // 滑块上的文字
    self.thumbLabel = [[UILabel alloc] init];
    //self.thumbLabel.text = self.offText;
    self.thumbLabel.textColor = self.textColor;
    self.thumbLabel.font = self.textFont;
    self.thumbLabel.textAlignment = NSTextAlignmentCenter;
    [self.thumbView addSubview:self.thumbLabel];
    
    if (_on) {
        self.thumbLabel.text = self.onText;
    }
    else{
        self.thumbLabel.text = self.offText;
    }
    
    self.curButton = [[UIButton alloc] init];
    [self.curButton addTarget:self action:@selector(didClickButtonFun:) forControlEvents:UIControlEventTouchUpInside];
    [self addSubview:self.curButton];
}



- (void)layoutSubviews {
    [super layoutSubviews];
    
    // 设置背景视图
    self.backgroundView.frame = self.bounds;
    
    // 设置文字标签位置
    CGFloat labelWidth = self.frame.size.width/2.0;
    self.onLabel.frame = CGRectMake(0, 0, labelWidth, self.frame.size.height);
    self.offLabel.frame = CGRectMake(labelWidth, 0, labelWidth, self.frame.size.height);
    
    // 设置滑块位置
    if (_on) {
        self.thumbView.frame = self.onLabel.frame;
    }
    else{
        self.thumbView.frame = self.offLabel.frame;
    }
    
    // 设置渐变色层
    self.gradientLayer.frame = self.thumbView.bounds;
    
    // 设置滑块文字
    self.thumbLabel.frame = self.thumbView.bounds;
    
    self.curButton.frame = self.bounds;
}

#pragma mark - 点击处理
- (void)didClickButtonFun:(UIButton*)button
{
    _didClickType = YES;
    self.on = !self.on;
}



#pragma mark - 公共方法

- (void)setOn:(BOOL)on {
    [self setOn:on animated:NO];
}

- (void)setOn:(BOOL)on animated:(BOOL)animated {
    //if (_on == on) return;
    
    _on = on;
    self.thumbLabel.text = on ? self.onText : self.offText;
    
    if (animated) {
//        self.isAnimating = YES;
//        [UIView animateWithDuration:0.25 delay:0 options:UIViewAnimationOptionCurveEaseInOut animations:^{
//            self.thumbView.frame = on ? self.thumbOnPosition : self.thumbOffPosition;
//            self.backgroundView.backgroundColor = on ? self.onTintColor : self.offTintColor;
//            self.onLabel.alpha = on ? 1.0 : 0.0;
//            self.offLabel.alpha = on ? 0.0 : 1.0;
//        } completion:^(BOOL finished) {
//            self.isAnimating = NO;
//        }];
    } else {
        self.thumbView.frame = on ? self.onLabel.frame : self.offLabel.frame;
        //self.backgroundView.backgroundColor = on ? self.onTintColor : self.offTintColor;
        self.onLabel.alpha = on ? 0.0 : 1.0;
        self.offLabel.alpha = on ? 1.0 : 0.0;
    }
    
    if(_didClickSwitchButtonFun && _didClickType){
        _didClickSwitchButtonFun(_on);
    }
    _didClickType = NO;
}

- (void)setOnText:(NSString *)onText {
    _onText = onText;
    self.onLabel.text = onText;
    if (self.isOn) {
        self.thumbLabel.text = onText;
    }
}

- (void)setOffText:(NSString *)offText {
    _offText = offText;
    self.offLabel.text = offText;
    if (!self.isOn) {
        self.thumbLabel.text = offText;
    }
}

- (void)setEnabled:(BOOL)enabled
{
    if (enabled) {
        self.textColor = [UIColor hwColor:@"#FFFFFF" alpha:1.0];
        
        // 设置渐变色
        self.gradientLayer.colors = @[(__bridge NSString *)[UIColor hwColor:@"#0CDEFD" alpha:1.0].CGColor, (__bridge NSString *)[UIColor hwColor:@"#058DFB" alpha:1.0].CGColor];
        
    }
    else{
        self.textColor = [UIColor hwColor:@"#FFFFFF" alpha:0.2];
        
        self.gradientLayer.colors = @[(__bridge NSString *)[UIColor hwColor:@"#485C78" alpha:1.0].CGColor, (__bridge NSString *)[UIColor hwColor:@"#40597F" alpha:1.0].CGColor];
        
    }
    
    self.curButton.userInteractionEnabled = enabled;
    
}

- (void)setOnTintColor:(UIColor *)onTintColor {
//    _onTintColor = onTintColor;
//    if (self.isOn) {
//        self.backgroundView.backgroundColor = onTintColor;
//    }
}

- (void)setOffTintColor:(UIColor *)offTintColor {
//    _offTintColor = offTintColor;
//    if (!self.isOn) {
//        self.backgroundView.backgroundColor = offTintColor;
//    }
}

- (void)setThumbGradientColors:(NSArray<UIColor *> *)thumbGradientColors {
//    _thumbGradientColors = thumbGradientColors;
//    
//    if (thumbGradientColors && thumbGradientColors.count > 0) {
//        NSMutableArray *cgColors = [NSMutableArray array];
//        for (UIColor *color in thumbGradientColors) {
//            [cgColors addObject:(id)color.CGColor];
//        }
//        self.gradientLayer.colors = cgColors;
//    }
}

- (void)setTextColor:(UIColor *)textColor {
    _textColor = textColor;
    self.onLabel.textColor = textColor;
    self.offLabel.textColor = textColor;
}

- (void)setTextFont:(UIFont *)textFont {
    _textFont = textFont;
    self.onLabel.font = textFont;
    self.offLabel.font = textFont;
    self.thumbLabel.font = textFont;
}

@end