package expo.modules.kotlin.views

import com.facebook.react.bridge.ReadableMap
import expo.modules.kotlin.AppContext
import expo.modules.kotlin.recycle

/**
 * A marker interface for props classes that are used to pass data to Compose views.
 * Needed for the R8 to not remove needed  signatures that are used to receive prop types.
 */
interface ComposeProps

inline fun <reified Props : ComposeProps> createComposeProps(
  propsMap: ReadableMap?,
  appContext: AppContext? = null
): Props {
  val propsParsingStrategy = toPropsParsingStrategy<Props>()
  val propsInstance = propsParsingStrategy.createNewInstance()

  if (propsMap == null) {
    return propsInstance
  }

  val props = propsParsingStrategy.props()
  val iterator = propsMap.keySetIterator()

  while (iterator.hasNextKey()) {
    val name = iterator.nextKey()
    val prop = props[name] ?: continue

    propsMap.getDynamic(name).recycle {
      @Suppress("UNCHECKED_CAST")
      prop.setPropDirectly(
        prop = this,
        currentProps = propsInstance,
        appContext = appContext
      ) as Props
    }
  }

  return propsInstance
}