SWITCH

package com.example.fullcurrpro

import android.annotation.SuppressLint
import android.content.Intent
import android.os.Bundle
import android.util.Log.e
import android.widget.EditText
import android.widget.ImageView
import android.widget.TextView
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
import com.backendless.Backendless
import com.backendless.async.callback.AsyncCallback
import com.backendless.exceptions.BackendlessFault
import kotlinx.android.synthetic.main.activity_exchange.*
import java.math.BigDecimal
import java.math.MathContext


class ExchangeActivity : AppCompatActivity() {

    lateinit var rateForSP: String
    var resultForSP: String = ""

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_exchange)

        var flagImage = intent.getStringExtra("CURRENCYCODE")!!
        e("currCode", flagImage, null)

        var countryName = intent.getStringExtra("COUNTRY")!!
        country2.text = countryName.toString()

        //var unit = intent.getStringExtra("UNIT").toDouble()

        getFlag(flagImage)
        setPointer()
        btnSendShare()

    }

    private fun btnSendShare() {

        btn_share.setOnClickListener {
            var tempResult = resultForSP
            if (tempResult == "") {
                tempResult = 1.toString()
            }
            try {
                val message: String =
                    "Country:${country2.text}\nrate:${rateForSP}\nresult:${tempResult}"
                var intent = Intent()
                intent.action = (Intent.ACTION_SEND)
                intent.putExtra(Intent.EXTRA_TEXT, message)
                intent.type = "text/plain"
                intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
                startActivity(Intent.createChooser(intent, "Please select app"))

            } catch (e: Exception) {
                e("", "RunTimeException: ${e}", null)
            }
        }
    }



    @SuppressLint("WrongViewCast")
    private fun setPointer() {

        //var unit = intent.getDoubleExtra("UNIT",1.0)
        var setNum = findViewById<EditText>(R.id.setNum)


        var rate = intent.getDoubleExtra("RATE", 1.0)
        setNum.setText(rate.toString())
        rateForSP = rate.toString()
        e("rate", rate.toString(), null)
        var getNum = findViewById<EditText>(R.id.getNum) as EditText
        e("getNum", rate.toString(), null)
        getNum.setText("1")

        btnClose.setOnClickListener {
            finish()
        }

        btn_save.setOnClickListener {
            saveNewContact()
        }

        btn_exchange.setOnClickListener {

            var setNum = findViewById<EditText>(R.id.setNum)

            var unit = setNum.text.toString().toDouble()

            var result = unit / rate
            e("result", result.toString(), null)
            //reducing the number to 6 digits
            var dc = BigDecimal(result)
            dc = dc.round(MathContext(5))

            val roundedResult: Double = dc.toDouble()

            resultForSP = roundedResult.toString()
            getNum.setText(roundedResult.toString())

        }
        btn_test.setOnClickListener {


            var setNum = findViewById<EditText>(R.id.setNum)
            var tempSetNum = setNum

            var getNum = findViewById<EditText>(R.id.getNum)
            var tempGetNum = getNum

            var unit = setNum.text.toString().toDouble()
            e("unit", unit.toString(), null)
            var tempRate= rate
            tempRate= 1.0 / rate as Double
            e("tempRate", tempRate.toString(), null)

            var result = unit / tempRate
            e("result", result.toString(), null)
            //reducing the number to 6 digits
            var dc = BigDecimal(result)
            dc = dc.round(MathContext(3))

            val roundedResult: Double = dc.toDouble()

            resultForSP = roundedResult.toString()
            getNum.setText(roundedResult.toString())



            var fromCurImage = findViewById<ImageView>(R.id.fromCurImage)
            var toCurrImage = findViewById<ImageView>(R.id.toCurrImage)

            var tempFromCurrImage= fromCurImage.drawable
            var tempTocurrImage= toCurrImage.drawable

            fromCurImage.setImageDrawable(tempTocurrImage)
            toCurrImage.setImageDrawable(tempFromCurrImage)

            var country1 = findViewById<TextView>(R.id.country1)
            var country2 = findViewById<TextView>(R.id.country2)

            var tempC1= country1.text
            var tempC2= country2.text

            country1.setText(tempC2)
            country2.setText(tempC1)




        }
    }

    private fun saveNewContact() {

        val thread = Thread(Runnable {
            try { //Your code goes here
                val saved_exchange = HashMap<Any, Any>()
                saved_exchange["unit"] = setNum.text.toString()
                saved_exchange["result"] = resultForSP.toFloat().toString()

                // save object asynchronously
                Backendless.Persistence.of("saved_exchange")
                    .save(saved_exchange, object : AsyncCallback<Map<*, *>?> {
                        override fun handleResponse(response: Map<*, *>?) {
                            Toast.makeText(
                                applicationContext,
                                "data saved successfully",
                                Toast.LENGTH_SHORT
                            ).show()

                        }

                        override fun handleFault(fault: BackendlessFault) {
                            Toast.makeText(applicationContext, fault.message, Toast.LENGTH_SHORT)
                                .show()
                        }
                    })

            } catch (e: Exception) {
                e.printStackTrace()
            }
        })

        thread.start()

    }

    private fun getFlag(flagImage: String?) {

        when (flagImage) {
            "USD" -> {
                toCurrImage.setImageResource(R.drawable.icons8_usa_50)
            }
            "GBP" -> {
                toCurrImage.setImageResource(R.drawable.icons8_great_britain_50)
            }
            "JPY" -> {
                toCurrImage.setImageResource(R.drawable.icons8_japan_50)
            }
            "EUR" -> {
                toCurrImage.setImageResource(R.drawable.icons8_flag_of_europe_50)
            }
            "AUD" -> {
                toCurrImage.setImageResource(R.drawable.icons8_australia_50)
            }
            "CAD" -> {
                toCurrImage.setImageResource(R.drawable.icons8_canada_48)
            }
            "DKK" -> {
                toCurrImage.setImageResource(R.drawable.icons8_denmark_50)
            }
            "NOK" -> {
                toCurrImage.setImageResource(R.drawable.icons8_norway_50)
            }
            "ZAR" -> {
                toCurrImage.setImageResource(R.drawable.icons8_south_africa_50)
            }
            "SEK" -> {
                toCurrImage.setImageResource(R.drawable.icons8_sweden_50)
            }
            "CHF" -> {
                toCurrImage.setImageResource(R.drawable.icons8_switzerland_50)
            }
            "JOD" -> {
                toCurrImage.setImageResource(R.drawable.icons8_jordan_50)
            }
            "LBP" -> {
                toCurrImage.setImageResource(R.drawable.icons8_lebanon_50)
            }
            "EGP" -> {
                toCurrImage.setImageResource(R.drawable.icons8_egypt_50)
            }
        }
    }

    private fun setFlag(flagImage: String?,flagImage2: String?) {

        when (flagImage) {
            "USD" -> {
                toCurrImage.setImageResource(R.drawable.icons8_usa_50)
            }
            "GBP" -> {
                toCurrImage.setImageResource(R.drawable.icons8_great_britain_50)
            }
            "JPY" -> {
                toCurrImage.setImageResource(R.drawable.icons8_japan_50)
            }
            "EUR" -> {
                toCurrImage.setImageResource(R.drawable.icons8_flag_of_europe_50)
            }
            "AUD" -> {
                toCurrImage.setImageResource(R.drawable.icons8_australia_50)
            }
            "CAD" -> {
                toCurrImage.setImageResource(R.drawable.icons8_canada_48)
            }
            "DKK" -> {
                toCurrImage.setImageResource(R.drawable.icons8_denmark_50)
            }
            "NOK" -> {
                toCurrImage.setImageResource(R.drawable.icons8_norway_50)
            }
            "ZAR" -> {
                toCurrImage.setImageResource(R.drawable.icons8_south_africa_50)
            }
            "SEK" -> {
                toCurrImage.setImageResource(R.drawable.icons8_sweden_50)
            }
            "CHF" -> {
                toCurrImage.setImageResource(R.drawable.icons8_switzerland_50)
            }
            "JOD" -> {
                toCurrImage.setImageResource(R.drawable.icons8_jordan_50)
            }
            "LBP" -> {
                toCurrImage.setImageResource(R.drawable.icons8_lebanon_50)
            }
            "EGP" -> {
                toCurrImage.setImageResource(R.drawable.icons8_egypt_50)
            }
        }

    }
}