//
//  YDSearchBar.swift
//  YoutubeDownloader
//
//  Created by hx0a1q on 25/07/16.
//  Copyright © 2016 Yusuf U. All rights reserved.
//

import UIKit

class YDSearchBar: UISearchBar {

    lazy var path:UIBezierPath = {
        let path = UIBezierPath()
        let startLine = CGPoint(x: 0.0, y: 0.0)
        let finishLine = CGPoint(x: self.bounds.width, y: 0.0)
        path.moveToPoint(startLine)
        path.addLineToPoint(finishLine)
        return path
    }()

    lazy var shapeLayer: CAShapeLayer = {
        let layer = CAShapeLayer()
        layer.strokeColor = kRedColor.CGColor
        layer.lineWidth = 1.0
        layer.path = self.path.CGPath
        return layer
    }()

    override init(frame: CGRect) {
        super.init(frame: frame)
        setupView()
    }

    required init?(coder aDecoder: NSCoder) {
        fatalError("Initialize error!")
    }

    func setupView(){
        translucent = false
        barTintColor = kRedColor
        tintColor = .whiteColor()
    }

    func findTextFieldIndex() -> Int?{
        let searchBarViews = subviews[0].subviews
        for (id, view) in searchBarViews.enumerate(){
            if view.isKindOfClass(UITextField){
                return id
            }
        }
        return nil
    }

    override func drawRect(rect: CGRect) {
        super.drawRect(rect)
        let subViews = subviews[0].subviews
        if let index = findTextFieldIndex(){
            let textField = subViews[index] as! UITextField
            textField.backgroundColor = kRedColor
            textField.textColor = .lightGrayColor()
        }
        layer.addSublayer(shapeLayer)
    }


}