import android.Manifest
import android.content.pm.PackageManager
import android.os.Bundle
import android.util.Log
import android.widget.Toast
import androidx.core.content.ContextCompat
import androidx.fragment.app.Fragment
import androidx.navigation.NavOptions

private const val PERMISSIONS_REQUEST_CODE = 10private val PERMISSIONS_REQUIRED = arrayOf(
    Manifest.permission.CAMERA,
    Manifest.permission.RECORD_AUDIO,
    Manifest.permission.WRITE_EXTERNAL_STORAGE)

/** * The sole purpose of this fragment is to request permissions and, once granted, display the * camera fragment to the user. */class PermissionFragment : Fragment() {

    val navOptions = NavOptions.Builder().setPopUpTo(R.id.permissionFragment, true)
        .build()

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)

        if (!hasPermissions()) {
            // request cam-related permissions            requestPermissions(PERMISSIONS_REQUIRED, PERMISSIONS_REQUEST_CODE)
        } else {
            // TODO : If permissions have already been granted, proceed        }
    }

    private fun hasPermissions(): Boolean {
        for (permission in PERMISSIONS_REQUIRED) {
            if (ContextCompat.checkSelfPermission(requireContext(), permission) !=
                PackageManager.PERMISSION_GRANTED            ) {
                return false            }
        }
        return true    }

    override fun onRequestPermissionsResult(requestCode: Int, permissions: Array<out String>, grantResults: IntArray) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults)

        if (requestCode == PERMISSIONS_REQUEST_CODE) {
            if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                // Take the user to the success fragment when permission is granted                Toast.makeText(context, "Permission request granted", Toast.LENGTH_LONG).show()
                // TODO : navigate to next frag            } else {
                Toast.makeText(context, "Permission request denied", Toast.LENGTH_LONG).show()
            }
        }
    }
}