package com.example.mytiptipapplication

import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity
import com.example.mytiptipapplication.databinding.ActivityMainBinding

class MainActivity : AppCompatActivity() {

    lateinit var binding: ActivityMainBinding

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        binding = ActivityMainBinding.inflate(layoutInflater)
        //setContentView(R.layout.activity_main)
        setContentView(binding.root)

        /*
        val calcButton: Button = findViewById(R.id.button_calculate)
        calcButton.setOnClickListener {
            calculateTip()
        }
        */

        binding.buttonCalculate.setOnClickListener {
            calculateTip()
        }


    }

    private fun calculateTip() {
        val stringInTextField = binding.edittextCostOfService.text.toString()
        val cost = stringInTextField.toDoubleOrNull()
        if ( cost == null) {
            binding.textviewTipResult.text = "Amount: ???"
            return
        }
        val tipPercentage = when (binding.radiogroupTipOptions.checkedRadioButtonId) {
            R.id.radiobutton_option_20_percent -> 0.20
            R.id.radiobutton_option_12_percent -> 0.12
            //R.id.radiobutton_option_05_percent -> 0.05
            else -> {0.05}
        }
        var tip = cost * tipPercentage
        if ( binding.switchRoundUp.isChecked) {
            tip = kotlin.math.ceil(tip)
        }
        binding.textviewTipResult.text = "Amount: " + tip.toString()
    }
}