//
//  DateSelectView.swift
//  HPlusFit
//
//  Created by lemo. on 2019/9/17.
//  Copyright © 2019 lemo. All rights reserved.
//

import UIKit

typealias DateSelectViewClosure = (String, Bool) -> Void

class DateSelectView: UIView {
    
    var dateStr: String? {
        didSet {
            setDateStr()
        }
    }
    
    var dateSelectClosure: DateSelectViewClosure?
    
    let leftArrowBtn = UIButton().then{
        $0.setImage(R.image.day_before(), for: .normal)
        $0.contentMode = .scaleAspectFit
    }
    
    let rightArrowBtn = UIButton().then{
        $0.setImage(R.image.day_after(), for: .normal)
        $0.contentMode = .scaleAspectFit
    }
    
    let dateLabel = UILabel().then {
        $0.font = SystemMediumFont(18)
        $0.textColor = kHexColor(0x666666)
        $0.textAlignment = .center
    }
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        self.addSubview(dateLabel)
        self.addSubview(leftArrowBtn)
        self.addSubview(rightArrowBtn)
        leftArrowBtn.addTarget(self, action: #selector(backwardAction), for: UIControl.Event.touchUpInside)
        rightArrowBtn.addTarget(self, action: #selector(forwardAction), for: UIControl.Event.touchUpInside)
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    override func layoutSubviews() {
        super.layoutSubviews()
        
        dateLabel.snp.makeConstraints { (make) in
            make.centerX.equalToSuperview()
            make.centerY.equalToSuperview()
        }
        
        leftArrowBtn.snp.makeConstraints { (make) in
            make.right.equalTo(dateLabel.snp.left).offset(-kScaleWidth(15.0))
            make.width.height.equalTo(kScaleWidth(40.0))
            make.centerY.equalToSuperview()
        }
        
        rightArrowBtn.snp.makeConstraints { (make) in
            make.left.equalTo(dateLabel.snp.right).offset(kScaleWidth(15.0))
            make.width.height.equalTo(kScaleWidth(40.0))
            make.centerY.equalToSuperview()
        }
    }
    
    @objc func backwardAction() {
        if let selectClosure = self.dateSelectClosure {
            selectClosure(self.dateStr!,false)
        }
    }
    
    @objc func forwardAction() {
        if let selectClosure = self.dateSelectClosure {
            selectClosure(self.dateStr!,true)
        }
    }
}

extension DateSelectView {
    func setDateStr() {
        if let dateStr = self.dateStr {
            dateLabel.text = dateStr
        }
    }
}