//
//  KBFunctionTagCell.m
//  CustomKeyboard
//
//  Created by Codex on 2025/10/28.
//

#import "KBFunctionTagCell.h"
#import "Masonry.h"

@interface KBFunctionTagCell ()
@property (nonatomic, strong) UILabel *titleLabelInternal;
@property (nonatomic, strong) UIImageView *iconViewInternal;
@property (nonatomic, strong) UIActivityIndicatorView *loadingView;
@end

@implementation KBFunctionTagCell

- (instancetype)initWithFrame:(CGRect)frame {
    if (self = [super initWithFrame:frame]) {
        self.contentView.backgroundColor = [UIColor colorWithWhite:1 alpha:0.9];
        self.contentView.layer.cornerRadius = 12;
        self.contentView.layer.masksToBounds = YES;

        // 小菊花：默认隐藏，放在整体内容右侧偏内的位置
        [self.contentView addSubview:self.loadingView];
        [self.loadingView mas_makeConstraints:^(MASConstraintMaker *make) {
            make.center.equalTo(self.contentView);
            make.width.height.mas_equalTo(16);
        }];

        // 中心容器：将 icon + title 组合整体水平居中
        UIView *centerContainer = [[UIView alloc] init];
        centerContainer.backgroundColor = [UIColor clearColor];
        [self.contentView addSubview:centerContainer];
        [centerContainer mas_makeConstraints:^(MASConstraintMaker *make) {
            make.centerX.equalTo(self.contentView.mas_centerX);
            make.centerY.equalTo(self.contentView.mas_centerY);
            make.left.greaterThanOrEqualTo(self.contentView.mas_left).offset(6);
            make.right.lessThanOrEqualTo(self.contentView).offset(-6);
        }];

        [centerContainer addSubview:self.iconViewInternal];
        [centerContainer addSubview:self.titleLabelInternal];

        [self.iconViewInternal mas_makeConstraints:^(MASConstraintMaker *make) {
            make.left.equalTo(centerContainer.mas_left);
            make.centerY.equalTo(centerContainer.mas_centerY);
            // 留出一点余量，避免 emoji 字形在右侧被裁剪
            make.width.height.mas_equalTo(24);
        }];
        [self.titleLabelInternal mas_makeConstraints:^(MASConstraintMaker *make) {
            make.left.equalTo(self.iconViewInternal.mas_right).offset(3);
            make.top.equalTo(centerContainer.mas_top);
            make.bottom.equalTo(centerContainer.mas_bottom);
            make.right.equalTo(centerContainer.mas_right);
        }];
    }
    return self;
}

#pragma mark - Lazy

- (UIImageView *)iconViewInternal {
    if (!_iconViewInternal) {
        _iconViewInternal = [[UIImageView alloc] init];
        UILabel *emoji = [[UILabel alloc] init];
        emoji.text = @"🙂"; // 占位图标
        emoji.textAlignment = NSTextAlignmentCenter;
        emoji.font = [UIFont systemFontOfSize:20];
        emoji.adjustsFontSizeToFitWidth = YES;
        emoji.minimumScaleFactor = 0.8;
        [_iconViewInternal addSubview:emoji];
        [emoji mas_makeConstraints:^(MASConstraintMaker *make) {
            make.edges.equalTo(_iconViewInternal);
        }];
    }
    return _iconViewInternal;
}

- (UILabel *)titleLabelInternal {
    if (!_titleLabelInternal) {
        _titleLabelInternal = [[UILabel alloc] init];
        _titleLabelInternal.font = [KBFont medium:10];
        _titleLabelInternal.textColor = [UIColor colorWithHex:0x1B1F1A];
        // 最多两行，文本过长时末尾截断
        _titleLabelInternal.numberOfLines = 2;
        _titleLabelInternal.lineBreakMode = NSLineBreakByTruncatingTail;
    }
    return _titleLabelInternal;
}

#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000
static UIActivityIndicatorViewStyle KBSpinnerStyle(void) { return UIActivityIndicatorViewStyleMedium; }
#else
static UIActivityIndicatorViewStyle KBSpinnerStyle(void) { return UIActivityIndicatorViewStyleGray; }
#endif

- (UIActivityIndicatorView *)loadingView {
    if (!_loadingView) {
        _loadingView = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:KBSpinnerStyle()];
        _loadingView.hidesWhenStopped = YES;
        _loadingView.color = [UIColor grayColor];
        _loadingView.hidden = YES;
    }
    return _loadingView;
}

#pragma mark - Expose

- (UILabel *)titleLabel { return self.titleLabelInternal; }
- (UIImageView *)iconView { return self.iconViewInternal; }

- (void)setLoading:(BOOL)loading {
    if (loading) {
        self.loadingView.hidden = NO;
        [self.loadingView startAnimating];
    } else {
        [self.loadingView stopAnimating];
        self.loadingView.hidden = YES;
    }
}

@end