import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.util.Log
import androidx.work.Data
import androidx.work.OneTimeWorkRequest
import androidx.work.WorkManager
import java.util.*
import java.util.concurrent.TimeUnit

class MainActivity : AppCompatActivity() {

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

        val calendar = Calendar.getInstance()
        calendar.set(Calendar.DAY_OF_MONTH, 12)
        calendar.set(Calendar.HOUR, 21)
        calendar.set(Calendar.MINUTE, 23)

        Log.d("Calendar", calendar.time.toString())

        val workParams = Data.Builder()
            .putString("title", "ToastWorker")
            .putString("message", "Hello world!")
            .build()

        val workRequest = OneTimeWorkRequest.Builder(ToastWorker::class.java)
            .addTag("toast")
            .setInitialDelay(calendar.timeInMillis - System.currentTimeMillis(), TimeUnit.MILLISECONDS)
            .setInputData(workParams)
            .build()

      //  Log.d("Calendar", (System.currentTimeMillis() - calendar.timeInMillis).toString())

        WorkManager.getInstance().enqueue(workRequest)
    }
}