//
//  KBSvipSubscribeCell.m
//  keyBoard
//
//  SVIP 订阅选项样式，使用背景图片切换选中状态
//

#import "KBSvipSubscribeCell.h"

@interface KBSvipSubscribeCell ()
@property (nonatomic, strong) UIImageView *bgImageView;   // 背景图片
@property (nonatomic, strong) UILabel *titleLabel;        // "1 Week" / "1 Month" / "1 Year"
@property (nonatomic, strong) UIView *priceContainer;     // 白色圆角容器
@property (nonatomic, strong) UILabel *currencyLabel;     // "$" 货币符号
@property (nonatomic, strong) UILabel *priceLabel;        // "6.90" 价格数字
@property (nonatomic, strong) UILabel *strikeLabel;       // 删除线原价
@end

@implementation KBSvipSubscribeCell

- (instancetype)initWithFrame:(CGRect)frame {
    if (self = [super initWithFrame:frame]) {
        self.contentView.backgroundColor = [UIColor clearColor];
        
        [self.contentView addSubview:self.bgImageView];
        [self.bgImageView mas_makeConstraints:^(MASConstraintMaker *make) {
            make.edges.equalTo(self.contentView);
        }];
        
        [self.contentView addSubview:self.titleLabel];
        [self.contentView addSubview:self.priceContainer];
        
        // 价格容器内添加货币符号和价格
        [self.priceContainer addSubview:self.currencyLabel];
        [self.priceContainer addSubview:self.priceLabel];
        [self.priceContainer addSubview:self.strikeLabel];
        
        [self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
            make.centerX.equalTo(self.contentView);
            make.top.equalTo(self.contentView).offset(10);
        }];
        
        [self.priceContainer mas_makeConstraints:^(MASConstraintMaker *make) {
            make.left.equalTo(self.contentView).offset(5);
            make.right.equalTo(self.contentView).offset(-5);
            make.bottom.equalTo(self.contentView).offset(-5);
            make.height.mas_equalTo(86);
        }];
        
        // 货币符号和价格水平居中
        [self.currencyLabel mas_makeConstraints:^(MASConstraintMaker *make) {
            make.right.equalTo(self.priceLabel.mas_left).offset(-2);
            make.bottom.equalTo(self.priceLabel.mas_bottom).offset(-4); // 底部对齐，稍微上移
        }];
        
        [self.priceLabel mas_makeConstraints:^(MASConstraintMaker *make) {
            make.centerX.equalTo(self.priceContainer).offset(6); // 稍微右移，给货币符号留空间
            make.centerY.equalTo(self.priceContainer).offset(-8);
        }];
        
        [self.strikeLabel mas_makeConstraints:^(MASConstraintMaker *make) {
            make.centerX.equalTo(self.priceContainer);
            make.top.equalTo(self.priceLabel.mas_bottom).offset(4);
        }];
    }
    return self;
}

- (void)prepareForReuse {
    [super prepareForReuse];
    [self applySelected:NO animated:NO];
}

- (void)setSelected:(BOOL)selected {
    [super setSelected:selected];
    [self applySelected:selected animated:NO];
}

- (void)configTitle:(NSString *)title currency:(NSString *)currency price:(NSString *)price strike:(nullable NSString *)strike {
    self.titleLabel.text = title.length ? title : @"1 Month";
    self.currencyLabel.text = currency.length ? currency : @"$";
    self.priceLabel.text = price.length ? price : @"6.90";
    self.strikeLabel.hidden = (strike.length == 0);
    if (strike.length) {
        NSDictionary *attr = @{
            NSStrikethroughStyleAttributeName: @(NSUnderlineStyleSingle),
            NSForegroundColorAttributeName: [UIColor colorWithHex:0x999999]
        };
        self.strikeLabel.attributedText = [[NSAttributedString alloc] initWithString:strike attributes:attr];
    }
}

// 兼容旧方法
- (void)configTitle:(NSString *)title price:(NSString *)price strike:(nullable NSString *)strike {
    [self configTitle:title currency:@"$" price:price strike:strike];
}

- (void)applySelected:(BOOL)selected animated:(BOOL)animated {
    NSString *imageName = selected ? @"pay_colorbg_icon" : @"pay_graybg_icon";
    void (^changes)(void) = ^{
        self.bgImageView.image = [UIImage imageNamed:imageName];
    };
    if (animated) {
        [UIView transitionWithView:self.bgImageView duration:0.2 options:UIViewAnimationOptionTransitionCrossDissolve animations:changes completion:nil];
    } else {
        changes();
    }
}

#pragma mark - Lazy

- (UIImageView *)bgImageView {
    if (!_bgImageView) {
        _bgImageView = [UIImageView new];
        _bgImageView.contentMode = UIViewContentModeScaleAspectFill;
        _bgImageView.image = [UIImage imageNamed:@"pay_graybg_icon"];
    }
    return _bgImageView;
}

- (UILabel *)titleLabel {
    if (!_titleLabel) {
        _titleLabel = [UILabel new];
        _titleLabel.text = @"1 Month";
        _titleLabel.textColor = [UIColor colorWithHex:KBBlackValue];
        _titleLabel.font = [KBFont medium:13];
    }
    return _titleLabel;
}

- (UIView *)priceContainer {
    if (!_priceContainer) {
        _priceContainer = [UIView new];
        _priceContainer.backgroundColor = [UIColor whiteColor];
        _priceContainer.layer.cornerRadius = 14;
        _priceContainer.clipsToBounds = YES;
    }
    return _priceContainer;
}

- (UILabel *)currencyLabel {
    if (!_currencyLabel) {
        _currencyLabel = [UILabel new];
        _currencyLabel.text = @"$";
        _currencyLabel.textColor = [UIColor colorWithHex:KBBlackValue];
        _currencyLabel.font = [KBFont medium:14]; // 货币符号字体较小
    }
    return _currencyLabel;
}

- (UILabel *)priceLabel {
    if (!_priceLabel) {
        _priceLabel = [UILabel new];
        _priceLabel.text = @"6.90";
        _priceLabel.textColor = [UIColor colorWithHex:KBBlackValue];
        _priceLabel.font = [KBFont bold:22]; // 价格数字字体较大
    }
    return _priceLabel;
}

- (UILabel *)strikeLabel {
    if (!_strikeLabel) {
        _strikeLabel = [UILabel new];
        _strikeLabel.text = @"$4.49";
        _strikeLabel.font = [KBFont regular:12];
        _strikeLabel.textColor = [UIColor colorWithHex:0x999999];
    }
    return _strikeLabel;
}

@end