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package com.pitchedapps.frost.utils
import android.content.Intent
import android.os.BaseBundle
/**
* Created by Allan Wang on 29/12/17.
*
* Helper to set enum using its name rather than the serialized version
* Name is used in case the enum is involved in persistent data, where updates may shift indices
*/
interface EnumBundle<E : Enum<E>> {
val bundleContract: EnumBundleCompanion<E>
val name: String
val ordinal: Int
fun put(intent: Intent) {
intent.putExtra(bundleContract.argTag, name)
}
fun put(bundle: BaseBundle?) {
bundle?.putString(bundleContract.argTag, name)
}
}
interface EnumBundleCompanion<E : Enum<E>> {
val argTag: String
val values: Array<E>
val valueMap: Map<String, E>
operator fun get(name: String?) = if (name == null) null else valueMap[name]
operator fun get(bundle: BaseBundle?) = get(bundle?.getString(argTag))
operator fun get(intent: Intent?) = get(intent?.getStringExtra(argTag))
}
open class EnumCompanion<E : Enum<E>>(
final override val argTag: String,
final override val values: Array<E>) : EnumBundleCompanion<E> {
final override val valueMap: Map<String, E> = values.map { it.name to it }.toMap()
final override fun get(name: String?) = super.get(name)
final override fun get(bundle: BaseBundle?) = super.get(bundle)
final override fun get(intent: Intent?) = super.get(intent)
}
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