//
//  UIButton-Extensions.swift
//  HPlusFit
//
//  Created by lemo. on 2019/9/15.
//  Copyright © 2019 lemo. All rights reserved.
//

import Foundation

extension UIButton {
    /// 修改按钮图片与文职的位置
    ///
    /// - Parameters:
    ///   - type: 0: 默认 图左字右边 1:图右字左 2:图上字下 3：字下图上
    ///   - spacing: 图片与文字的间距,左右或上线
    func changgeImageAndTitleEdgeInsets(type: Int, spacing: CGFloat) {
        switch type {
        case 1:
            if let titleLabel = titleLabel, let image = imageView?.image {
                titleLabel.sizeToFit()
                let labelWidth = titleLabel.width + spacing
                let imageWidth = image.size.width
                imageEdgeInsets = UIEdgeInsets(top: 0, left: labelWidth, bottom: 0, right: -labelWidth)
                titleEdgeInsets = UIEdgeInsets(top: 0, left: -imageWidth, bottom: 0, right: imageWidth)
            }
        default:
            break
        }
    }
    
    /// 导航栏按钮(图片)
    static func barButtonItem(_ normalImageName: String, _ highImageName: String?, _ target: Any?, _ action: Selector) -> UIButton {
        let button = UIButton(type: .custom)
        let normalImage = UIImage(named: normalImageName)
        button.setImage(normalImage, for: .normal)
        button.frame.size = (normalImage?.size)!
        if highImageName != nil {
            button.setImage(UIImage(named: highImageName!), for: .highlighted)
        }
        button.addTarget(target, action: action, for: .touchUpInside)
        return button
    }
    
    /// 导航栏按钮(文字)
    static func barButtonItem(_ title: String?, _ target: Any?, _ action: Selector) -> UIButton {
        let button = UIButton(type: .custom)
//        button.titleLabel?.font = kNavBarItemFont
//        button.setTitleColor(kNavBarItemTextColor, for: .normal)
        button.setTitle(title, for: .normal)
        button.addTarget(target, action: action, for: .touchUpInside)
        button.sizeToFit()
        return button
    }
}