package demo

import com.mongodb.kotlin.client.coroutine.MongoClient
import com.mongodb.kotlin.client.model.Filters.eq
import kotlinx.coroutines.runBlocking
import kotlinx.serialization.SerialName
import kotlinx.serialization.Serializable

@Serializable
data class Present(val color: PresentColor, val content: String?)

@Serializable
enum class PresentColor {
    @SerialName("blue")
    Blue,

    @SerialName("red")
    Red,

    @SerialName("yellow")
    Yellow,
}

fun main(): Unit = runBlocking {
    val database = MongoClient.create().getDatabase("test")
    val collection = database.getCollection<Present>("presents")

    collection.drop()

    collection.insertOne(Present(color = PresentColor.Red, content = "toys"))
    collection.insertOne(Present(color = PresentColor.Yellow, content = null))
    collection.insertOne(Present(color = PresentColor.Blue, content = "chocolate"))

    collection.find(Present::content eq "toys").collect { println(it) } // ✅ prints Present(color=Red, content=toys)
    collection.find(Present::color eq PresentColor.Red).collect { println(it) } // ❌ does not print anything
}