//
//  KBMyKeyboardCell.m
//  keyBoard
//

#import "KBMyKeyboardCell.h"

@interface KBMyKeyboardCell ()
@property (nonatomic, strong) UIView *coverView;   // 左侧表情

@property (nonatomic, strong) UILabel *emojiLabel;   // 左侧表情
@property (nonatomic, strong) UILabel *titleLabel;   // 标题
@property (nonatomic, strong) UIView  *minusBadge;   // 右上角减号圆点
@property (nonatomic, strong) UILabel *minusLabel;   // 减号
@property (nonatomic, strong) UIControl *minusTapArea; // 放大点击区域（透明）
@end

@implementation KBMyKeyboardCell

- (instancetype)initWithFrame:(CGRect)frame {
    if (self = [super initWithFrame:frame]) {
        self.contentView.backgroundColor = [UIColor clearColor];

        // 轻微阴影，让卡片更立体
        self.layer.shadowColor = [UIColor colorWithWhite:0 alpha:0.08].CGColor;
        self.layer.shadowOpacity = 1.0;
        self.layer.shadowOffset = CGSizeMake(0, 2);
        self.layer.shadowRadius = 6;

        [self.contentView addSubview:self.coverView];

        [self.coverView addSubview:self.emojiLabel];
        [self.coverView addSubview:self.titleLabel];
        [self.contentView addSubview:self.minusBadge];
        [self.minusBadge addSubview:self.minusLabel];

        [self.coverView mas_makeConstraints:^(MASConstraintMaker *make) {
            make.bottom.left.equalTo(self.contentView).offset(0);
            make.height.mas_equalTo(36);
        }];
        
        // Masonry 布局：左右 12 内边距，高度固定由外部控制
        [self.emojiLabel mas_makeConstraints:^(MASConstraintMaker *make) {
            make.left.equalTo(self.coverView).offset(12);
            make.centerY.equalTo(self.coverView);
        }];
        [self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
            make.left.equalTo(self.emojiLabel.mas_right).offset(8);
            make.centerY.equalTo(self.coverView);
            make.right.lessThanOrEqualTo(self.coverView).offset(-12);
        }];

        // 右上角删除圆点（展示用），默认显示；如需编辑态控制，可对其 hidden 做处理
        [self.minusBadge mas_makeConstraints:^(MASConstraintMaker *make) {
            make.width.height.mas_equalTo(11);
            make.top.equalTo(self.contentView).offset(0);
            make.right.equalTo(self.contentView).offset(0);
        }];
        [self.minusLabel mas_makeConstraints:^(MASConstraintMaker *make) {
            make.center.equalTo(self.minusBadge);
        }];

        // 点击右上角减号：在其上方覆盖一层更大的透明点击区域，提升可点性
        [self.contentView addSubview:self.minusTapArea];
        [self.minusTapArea mas_makeConstraints:^(MASConstraintMaker *make) {
            make.top.equalTo(self.contentView).offset(0);
            make.right.equalTo(self.contentView).offset(0);
            make.width.height.mas_equalTo(32); // 扩大到 32x32，更易点中
        }];
        // 将可点事件绑定到透明区域；保留 minusBadge 的手势作为兜底
        [self.minusTapArea addTarget:self action:@selector(didTapMinus) forControlEvents:UIControlEventTouchUpInside];
        self.minusBadge.userInteractionEnabled = YES;
        UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(didTapMinus)];
        [self.minusBadge addGestureRecognizer:tap];
    }
    return self;
}

- (void)prepareForReuse {
    [super prepareForReuse];
    self.emojiLabel.text = @"";
    self.titleLabel.text = @"";
}

- (void)configEmoji:(NSString *)emoji title:(NSString *)title {
    // 配置 UI 文案（为空补空串，避免计算崩溃）
    self.emojiLabel.text = emoji ?: @"";
    self.titleLabel.text = title ?: @"";
}

+ (CGSize)sizeForEmoji:(NSString *)emoji title:(NSString *)title {
    // 固定高度 44，宽度 = 左右内边距(12+12) + Emoji 宽(按 20 号字估算) + 间距(8) + 文案宽
    UIFont *emojiFont = [UIFont systemFontOfSize:20];
    UIFont *titleFont = [UIFont systemFontOfSize:16 weight:UIFontWeightSemibold];

    CGFloat emojiW = 0;
    if (emoji.length > 0) {
        CGSize s = [emoji sizeWithAttributes:@{NSFontAttributeName:emojiFont}];
        emojiW = ceil(s.width);
    } else {
        emojiW = 0; // 没有表情则不占宽
    }

    CGFloat textW = 0;
    if (title.length > 0) {
        CGSize s = [title sizeWithAttributes:@{NSFontAttributeName:titleFont}];
        textW = ceil(s.width);
    }

    CGFloat width = 12 + emojiW + (emojiW > 0 ? 8 : 0) + textW + 12;
    CGFloat minW = 84;  // 最小宽保证视觉
    CGFloat maxW = UIScreen.mainScreen.bounds.size.width - 16 * 2; // 不超过屏幕可视宽
    width = MAX(minW, MIN(width, maxW));
    return CGSizeMake(width, 41.0);
}

#pragma mark - Lazy

- (UILabel *)emojiLabel {
    if (!_emojiLabel) {
        _emojiLabel = [UILabel new];
        _emojiLabel.font = [UIFont systemFontOfSize:20];
        _emojiLabel.text = @"😀"; // 默认
    }
    return _emojiLabel;
}

- (UILabel *)titleLabel {
    if (!_titleLabel) {
        _titleLabel = [UILabel new];
        _titleLabel.font = [UIFont systemFontOfSize:16 weight:UIFontWeightSemibold];
        _titleLabel.textColor = [UIColor colorWithHex:0x1B1F1A];
    }
    return _titleLabel;
}

- (UIView *)minusBadge {
    if (!_minusBadge) {
        _minusBadge = [UIView new];
        _minusBadge.backgroundColor = [UIColor colorWithHex:KBColorValue];
        _minusBadge.layer.cornerRadius = 5.5;
        _minusBadge.layer.masksToBounds = YES;
    }
    return _minusBadge;
}

- (UILabel *)minusLabel {
    if (!_minusLabel) {
        _minusLabel = [UILabel new];
        _minusLabel.text = @"-";
        _minusLabel.textColor = [UIColor whiteColor];
        _minusLabel.font = [UIFont systemFontOfSize:12 weight:UIFontWeightBold];
        _minusLabel.textAlignment = NSTextAlignmentCenter;
    }
    return _minusLabel;
}

- (UIControl *)minusTapArea {
    if (!_minusTapArea) {
        _minusTapArea = [[UIControl alloc] init];
        _minusTapArea.backgroundColor = [UIColor clearColor];
        // 提高命中率：即使轻微偏离也能点中
        _minusTapArea.accessibilityLabel = @"删除";
    }
    return _minusTapArea;
}

- (UIView *)coverView{
    if (!_coverView) {
        _coverView = [[UIView alloc] init];
        _coverView.backgroundColor = [UIColor whiteColor];
        _coverView.layer.cornerRadius = 4;
        _coverView.layer.masksToBounds = true;
    }
    return _coverView;
}

#pragma mark - Actions

// 触发减号点击回调，由外部（VC）决定是否弹框与删除数据
- (void)didTapMinus {
    if (self.onMinusTapped) {
        self.onMinusTapped(self);
    }
}

@end
