package expo.modules.video.utils

import android.util.Log
import android.view.MotionEvent
import android.view.View
import com.facebook.react.uimanager.UIManagerHelper
import com.facebook.react.uimanager.events.EventDispatcher
import com.facebook.react.uimanager.events.TouchEvent
import com.facebook.react.uimanager.events.TouchEventCoalescingKeyHelper
import com.facebook.react.uimanager.events.TouchEventType

internal fun EventDispatcher.dispatchMotionEvent(view: View, event: MotionEvent?, touchEventCoalescingKeyHelper: TouchEventCoalescingKeyHelper) {
  if (event == null) {
    return
  }

  try {
    val event = TouchEvent.obtain(
      UIManagerHelper.getSurfaceId(view),
      view.id,
      event.toTouchEventType(),
      event,
      event.eventTime,
      event.x,
      event.y,
      touchEventCoalescingKeyHelper
    )
    dispatchEvent(event)
  } catch (e: RuntimeException) {
    // We are not expecting any issues, but we want to prevent crashes in case the dispatch fails for any reason.
    Log.e("EventDispatcherUtils", "Error dispatching touch event", e)
  }
}

private fun MotionEvent.toTouchEventType(): TouchEventType {
  return when (this.actionMasked) {
    MotionEvent.ACTION_DOWN -> TouchEventType.START
    MotionEvent.ACTION_UP -> TouchEventType.END
    MotionEvent.ACTION_MOVE -> TouchEventType.MOVE
    MotionEvent.ACTION_CANCEL -> TouchEventType.CANCEL
    else -> TouchEventType.CANCEL
  }
}