package com.nix.safcom

import android.Manifest
import android.content.Context
import android.content.Intent
import android.content.pm.PackageManager
import android.graphics.Color
import android.net.Uri
import android.os.Bundle
import android.provider.ContactsContract
import android.telephony.TelephonyManager
import android.view.Menu
import android.view.MenuItem
import android.view.View
import androidx.appcompat.app.AppCompatActivity
import androidx.core.app.ActivityCompat
import androidx.core.content.ContextCompat
import com.google.android.material.snackbar.Snackbar
import kotlinx.android.synthetic.main.activity_main.*
import android.widget.Toast
import android.content.DialogInterface
import android.text.InputType
import android.widget.EditText
import androidx.core.app.ComponentActivity.ExtraData
import androidx.core.content.ContextCompat.getSystemService
import android.icu.lang.UCharacter.GraphemeClusterBreak.T
import androidx.appcompat.app.AlertDialog


class MainActivity : AppCompatActivity() {

    var Hash = Uri.encode("#")
    var phoneNo: String?=null
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        setSupportActionBar(toolbar)


    }

    //fun
    fun checkBalance(view:View){
        USSDRUN("*144");
        //Toast.makeText(this,"Checking Airtime Balance "+Name,Toast.LENGTH_SHORT).show();
        display_snackbar("Checking Airtime Balance ");
    }

    fun rechargeAirtime(view:View){
        val taskEditText = EditText(this)
        taskEditText.inputType = InputType.TYPE_CLASS_PHONE
        val dialog = AlertDialog.Builder(this)
            .setTitle("Recharge Airtime")
            .setMessage("Please Enter the 16 digit Voucher Pin of the Scratch Card")
            .setView(taskEditText)
            .setPositiveButton("Recharge", DialogInterface.OnClickListener { dialog, which ->
                val voucherpin = taskEditText.text.toString()
                if (voucherpin.length != 16) {
                    // Toast.makeText(Main.this,"The Voucher Pin is Invalid.Make Sure it is 16 digits",Toast.LENGTH_SHORT).show();
                    display_snackbar("The Voucher Pin is Invalid.Make Sure it is 16 digits")
                } else {
                    USSDRUN("*141*$voucherpin")
                    //toast to tell the user what has just happen
                    Toast.makeText(
                        this@MainActivity,
                        "Please Wait...as Safaricom recharges your account",
                        Toast.LENGTH_LONG
                    ).show()
                    display_snackbar("Please Wait...as Safaricom recharges your account")
                }
            })
            .setNegativeButton("Cancel", null)
            .create()
        dialog.show()
    }

    fun buyBundles(view:View){
        USSDRUN("*544");
        display_snackbar("Accessing Data Bundles");
    }

    fun checkBundlesBalance(view:View){
        USSDRUN("*450");
        display_snackbar("Checking Data Bundles Balance ");
    }
    fun mpesaMiniStatement(view:View){

    }

    fun callCustomerCare(view:View){
        USSDRUN("*100");
        //Toast.makeText(this,"Opening CustomerCare Services",Toast.LENGTH_SHORT).show();
        display_snackbar("Opening CustomerCare Services");
    }

    fun sendPleaseCallMe(view: View){
        val AD = android.app.AlertDialog.Builder(this@MainActivity)
        AD.setCancelable(false)
        AD.setMessage("Do you want sent Please Call Me to one who is in your contacts? ")
        AD.setPositiveButton("YES") { arg0, arg1 ->
            //first pick contact
            val intent = Intent(Intent.ACTION_PICK, ContactsContract.CommonDataKinds.Phone.CONTENT_URI)
            startActivityForResult(intent, 1)
        }
        //if no not in contacts then let user input the number
        AD.setNegativeButton("NO") { arg0, arg1 ->
            val taskEditText = EditText(this@MainActivity)
            taskEditText.inputType = InputType.TYPE_CLASS_PHONE
            val dialog = AlertDialog.Builder(this@MainActivity)
                .setTitle("Sending Please Call Me")
                .setMessage("Please Enter the Phone number of who to send Please Call Me to.:")
                .setView(taskEditText)
                .setPositiveButton("Send", DialogInterface.OnClickListener { dialog, which ->
                    val phoneNo = taskEditText.text.toString()
                    if (phoneNo.length < 0) {
                        display_snackbar(" The Number You Have Entered is Invalid.\n" + "Please Check and Try Again ")
                    } else {
                        USSDRUN("*130*$phoneNo")
                        //toast to tell the user what has just happen
                        Toast.makeText(
                            this@MainActivity,
                            "Sending a FlashBack Message to $phoneNo", Toast.LENGTH_LONG
                        ).show()
                        display_snackbar("Sending a FlashBack Message to $phoneNo")
                    }
                })
                .setNegativeButton("Cancel", null)
                .create()
            dialog.show()
        }
        AD.show()

    }



    override fun onCreateOptionsMenu(menu: Menu): Boolean {
        // Inflate the menu; this adds items to the action bar if it is present.
        menuInflater.inflate(R.menu.menu_main, menu)
        return true
    }

    override fun onOptionsItemSelected(item: MenuItem): Boolean {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        return when (item.itemId) {
            R.id.action_settings -> true
            else -> super.onOptionsItemSelected(item)
        }
    }


    fun USSDRUN(tel: String) {
        val permissionCheck =
            ContextCompat.checkSelfPermission(this@MainActivity, Manifest.permission.CALL_PHONE)
        if (permissionCheck != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(
                this,
                arrayOf(Manifest.permission.CALL_PHONE), 123
            )
        } else {
            val Name = OperatorName()
            if (Name === "Safaricom") {


            } else {
                val intent = Intent(Intent.ACTION_CALL)
                intent.data = Uri.parse("tel:$tel$Hash")
                intent.flags = Intent.FLAG_ACTIVITY_NEW_TASK
                startActivity(intent)
            }

        }

    }

    fun OperatorName(): String {
        val OperatorName: String
        val mTeleManager = getSystemService(Context.TELEPHONY_SERVICE) as TelephonyManager
        mTeleManager.simOperatorName
        mTeleManager.networkOperatorName
        mTeleManager.simOperator
        OperatorName = mTeleManager.simOperatorName
        return OperatorName
    }

    //handles the results returned i.e from the contacts
    public override fun onActivityResult(reqCode: Int, resultCode: Int, data: Intent?) {

        super.onActivityResult(reqCode, resultCode, data)
        phoneNo = null
        val uri = data!!.data
        val cursor = contentResolver.query(uri!!, null, null, null, null)
        cursor!!.moveToFirst()
        val phoneIndex = cursor.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER)
        phoneNo = cursor.getString(phoneIndex)
        val name = cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME))

        val AD = android.app.AlertDialog.Builder(this)
        AD.setCancelable(false)
        AD.setMessage("Do you want to sent please call me to $name")
        AD.setPositiveButton("YES") { arg0, arg1 ->
            USSDRUN("*130*$phoneNo")
            //Toast.makeText(Main.this,"Sending FlashBack To "+name+"..............",Toast.LENGTH_SHORT).show();
            display_snackbar("Sending FlashBack To $name..............")
        }
        AD.setNegativeButton("NO") { arg0, arg1 ->
            phoneNo = null
            arg0.cancel()
        }
        AD.show()

    }
    //method to display snackbar
    fun display_snackbar(Info: String) {
        val snackbar =
            Snackbar.make(findViewById<View>(android.R.id.content), Info, Snackbar.LENGTH_LONG)
        // Change the Snackbar default text color
        val snackbarView = snackbar.view
        // Change the Snackbar default background color
        snackbarView.setBackgroundColor(Color.parseColor("#11A73E"))
        // Display the Snackbar
        snackbar.show()

    }
}