package com.locphamtran.recipescamera

import android.content.Intent
import android.os.Build
import android.os.Bundle
import android.view.KeyEvent

import com.facebook.react.ReactActivity
import com.facebook.react.ReactActivityDelegate
import com.facebook.react.defaults.DefaultNewArchitectureEntryPoint.fabricEnabled
import com.facebook.react.defaults.DefaultReactActivityDelegate

import com.locphamtran.recipescamera.volume.VolumeShutterModule

import expo.modules.ReactActivityDelegateWrapper

class MainActivity : ReactActivity() {
  override fun onCreate(savedInstanceState: Bundle?) {
    // Set the theme to AppTheme BEFORE onCreate to support
    // coloring the background, status bar, and navigation bar.
    // This is required for expo-splash-screen.
    setTheme(R.style.AppTheme);
    super.onCreate(null)
  }

  /**
   * A share delivered to the running app lands here, and React Native never hands
   * the new intent to the activity (nothing in ReactActivity/ReactDelegate calls
   * setIntent) — so getIntent() keeps returning the launch intent and the share
   * intake would read a photo the user shared minutes ago, or none at all.
   */
  override fun onNewIntent(intent: Intent) {
    setIntent(intent)
    super.onNewIntent(intent)
  }

  /**
   * Volume keys double as a shutter release while the camera screen is up.
   * This is the only place that runs before the window turns them into a
   * stream-volume change, so the module gets first refusal and the keys it
   * does not claim (everything, outside the camera) fall through to the
   * default handling unchanged.
   */
  override fun dispatchKeyEvent(event: KeyEvent): Boolean {
    return VolumeShutterModule.onKeyEvent(event) || super.dispatchKeyEvent(event)
  }

  /**
   * Returns the name of the main component registered from JavaScript. This is used to schedule
   * rendering of the component.
   */
  override fun getMainComponentName(): String = "main"

  /**
   * Returns the instance of the [ReactActivityDelegate]. We use [DefaultReactActivityDelegate]
   * which allows you to enable New Architecture with a single boolean flags [fabricEnabled]
   */
  override fun createReactActivityDelegate(): ReactActivityDelegate {
    return ReactActivityDelegateWrapper(
          this,
          BuildConfig.IS_NEW_ARCHITECTURE_ENABLED,
          object : DefaultReactActivityDelegate(
              this,
              mainComponentName,
              fabricEnabled
          ){})
  }

  /**
    * Align the back button behavior with Android S
    * where moving root activities to background instead of finishing activities.
    * @see <a href="https://developer.android.com/reference/android/app/Activity#onBackPressed()">onBackPressed</a>
    */
  override fun invokeDefaultOnBackPressed() {
      if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.R) {
          if (!moveTaskToBack(false)) {
              // For non-root activities, use the default implementation to finish them.
              super.invokeDefaultOnBackPressed()
          }
          return
      }

      // Use the default back button implementation on Android S
      // because it's doing more than [Activity.moveTaskToBack] in fact.
      super.invokeDefaultOnBackPressed()
  }
}