KittensTravelNotes/PodCode/Ex/UILabel+Ex.swift

//
//  UILabel+Ex.swift
//  TSLiveWallpaper
//
//  Created by 100Years on 2024/12/20.
//

public extension UILabel {
    /// 快速创建 UILabel
    /// - Parameters:
    ///   - text: 文本内容
    ///   - font: 字体
    ///   - textColor: 文本颜色
    ///   - textAlignment: 文本对齐方式
    ///   - numberOfLines: 行数，默认 1
    ///   - backgroundColor: 背景颜色
    ///   - adjustsFontSizeToFitWidth: 是否自适应宽度，默认 false
    ///   - cornerRadius: 圆角，默认 0
    /// - Returns: 配置好的 UILabel 实例
    static public func createLabel(text: String? = nil,
                            font: UIFont? = nil,
                            textColor: UIColor? = nil,
                            textAlignment: NSTextAlignment = .left,
                            numberOfLines: Int = 0,
                            backgroundColor: UIColor? = nil,
                            adjustsFontSizeToFitWidth: Bool = false,
                            cornerRadius: CGFloat = 0) -> UILabel {
        let label = UILabel()
        label.setUpLabel(
            text: text,
            font: font,
            textColor: textColor,
            textAlignment: textAlignment,
            numberOfLines: numberOfLines,
            backgroundColor: backgroundColor,
            adjustsFontSizeToFitWidth: adjustsFontSizeToFitWidth,
            cornerRadius: cornerRadius
        )
        return label
    }
    
    
    public func setUpLabel(text: String? = nil,
                            font: UIFont? = nil,
                            textColor: UIColor? = nil,
                            textAlignment: NSTextAlignment = .left,
                            numberOfLines: Int = 0,
                            backgroundColor: UIColor? = nil,
                            adjustsFontSizeToFitWidth: Bool = false,
                            cornerRadius: CGFloat = 0) {
        let label = self
        
        // 设置文本内容
        label.text = text
        
        // 设置字体
        if let font = font {
            label.font = font
        }
        
        // 设置文本颜色
        if let textColor = textColor {
            label.textColor = textColor
        }
        
        // 设置文本对齐方式
        label.textAlignment = textAlignment
        
        //阿拉伯语适配
        if kIsRTL {
            label.semanticContentAttribute = .forceRightToLeft
            if textAlignment == .left {
                label.textAlignment = .right
            }else if textAlignment == .right {
                label.textAlignment = .left
            }
        }

        // 设置行数
        label.numberOfLines = numberOfLines
        
        // 设置背景颜色
        if let backgroundColor = backgroundColor {
            label.backgroundColor = backgroundColor
        }
        
        // 设置是否自适应宽度
        label.adjustsFontSizeToFitWidth = adjustsFontSizeToFitWidth
        
        // 设置圆角
        if cornerRadius > 0 {
            label.layer.cornerRadius = cornerRadius
            label.layer.masksToBounds = true
        }
    }
    
    
    
    /// 设置行间距
    /// - Parameters:
    ///   - lineSpacing: 行间距
    ///   - alignment: 对齐方式（默认为左对齐）
    func setLineSpacing(_ lineSpacing: CGFloat) {
        guard let text = self.text else { return }
        
        // 创建 NSMutableAttributedString
        let attributedString = NSMutableAttributedString(string: text)
        
        // 创建段落样式
        let paragraphStyle = NSMutableParagraphStyle()
        paragraphStyle.lineSpacing = lineSpacing
        paragraphStyle.alignment = self.textAlignment
        
        // 应用段落样式到整个文本
        attributedString.addAttribute(.paragraphStyle, value: paragraphStyle, range: NSRange(location: 0, length: attributedString.length))
        
        // 设置属性文本
        self.attributedText = attributedString
    }
}