// Copyright 2015-present 650 Industries. All rights reserved.
package host.exp.exponent

import android.app.IntentService
import android.content.Context
import android.content.Intent
import android.os.Handler
import host.exp.exponent.analytics.Analytics
import host.exp.exponent.di.NativeModuleDepsProvider
import host.exp.exponent.experience.ExperienceActivity
import host.exp.exponent.kernel.Kernel
import host.exp.exponent.kernel.KernelConstants
import javax.inject.Inject

private const val ACTION_RELOAD_EXPERIENCE = "host.exp.exponent.action.RELOAD_EXPERIENCE"
private const val ACTION_STAY_AWAKE = "host.exp.exponent.action.STAY_AWAKE"
private const val STAY_AWAKE_MS = (1000 * 60).toLong()

class ExponentIntentService : IntentService("ExponentIntentService") {
  @Inject
  lateinit var kernel: Kernel

  private val handler = Handler()

  override fun onCreate() {
    super.onCreate()
    NativeModuleDepsProvider.instance.inject(ExponentIntentService::class.java, this)
  }

  override fun onHandleIntent(intent: Intent?) {
    if (intent == null) {
      return
    }

    val action = intent.action
    var isUserAction = false
    when (action) {
      ACTION_RELOAD_EXPERIENCE -> {
        isUserAction = true
        handleActionReloadExperience(intent.getStringExtra(KernelConstants.MANIFEST_URL_KEY)!!)
      }
      ACTION_STAY_AWAKE -> handleActionStayAwake()
    }
    if (isUserAction) {
      val kernelActivityContext = kernel.activityContext
      if (kernelActivityContext is ExperienceActivity) {
        kernelActivityContext.onNotificationAction()
      }
    }
  }

  private fun handleActionReloadExperience(manifestUrl: String) {
    kernel.reloadVisibleExperience(manifestUrl)

    // Application can't close system dialogs on Android 31 or higher.
    // See https://developer.android.com/about/versions/12/behavior-changes-all#close-system-dialogs
    if (android.os.Build.VERSION.SDK_INT < android.os.Build.VERSION_CODES.S) {
      val intent = Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS)
      sendBroadcast(intent)
    }

    Analytics.logEventWithManifestUrl(Analytics.AnalyticsEvent.RELOAD_EXPERIENCE, manifestUrl)
    stopSelf()
  }

  private fun handleActionStayAwake() {
    handler.postDelayed({ stopSelf() }, STAY_AWAKE_MS)
  }

  companion object {
    @JvmStatic fun getActionReloadExperience(context: Context, manifestUrl: String): Intent {
      return Intent(context, ExponentIntentService::class.java).apply {
        action = ACTION_RELOAD_EXPERIENCE
        putExtra(KernelConstants.MANIFEST_URL_KEY, manifestUrl)
      }
    }

    @JvmStatic fun getActionStayAwake(context: Context): Intent {
      return Intent(context, ExponentIntentService::class.java).apply {
        action = ACTION_STAY_AWAKE
      }
    }
  }
}