package de.wechselbild.wallpaper

import android.content.Context
import androidx.work.ExistingWorkPolicy
import androidx.work.Constraints
import androidx.work.OneTimeWorkRequestBuilder
import androidx.work.WorkManager
import androidx.work.Worker
import androidx.work.WorkerParameters

class WallpaperRotationWorker(context: Context, parameters: WorkerParameters) : Worker(context, parameters) {
  override fun doWork(): Result {
    if (!WallpaperStore.timedEnabled(applicationContext)) return Result.success()
    WallpaperStore.applyNext(applicationContext, automatic = true)
    return Result.success()
  }

  companion object {
    private const val WORK_NAME = "wallpaper-rotation"

    fun enqueue(context: Context) {
      WorkManager.getInstance(context).enqueueUniqueWork(
        WORK_NAME,
        ExistingWorkPolicy.KEEP,
        OneTimeWorkRequestBuilder<WallpaperRotationWorker>()
          .setConstraints(Constraints.Builder().setRequiresBatteryNotLow(true).build())
          .build(),
      )
    }
  }
}