//
//  ViewController.swift
//  BMICalc
//
//  Created by Seminar User on 2017/08/23.
//  Copyright © 2017年 i-MOS. All rights reserved.
//

import UIKit

class ViewController: UIViewController {

    @IBOutlet weak var weightTextField: UITextField!

    @IBOutlet weak var heightTextField: UITextField!

    @IBOutlet weak var resultLabel: UILabel!


    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }

    @IBAction func calcAtion(_ sender: Any) {
        guard let weightString = weightTextField.text else {
            return
        }
        guard let heightString = heightTextField.text else {
            return
        }

        let weight = Double(weightString)
        let height = Double(heightString)
        if let weight = weight {
            if let height = height {
                let result = weight / (height/100.0 * height/100.0)
                resultLabel.text = String(result)

                self.view.endEditing(true)
            }
        }

    }

}