package mc.utopia.plugin.advancements

import java.lang.reflect.Field

typealias PacketPlayOutAdvancements = net.minecraft.server.v1_14_R1.PacketPlayOutAdvancements
typealias SerializedAdvancement = net.minecraft.server.v1_14_R1.Advancement.SerializedAdvancement
typealias MinecraftKey = net.minecraft.server.v1_14_R1.MinecraftKey
typealias AdvancementProgress = net.minecraft.server.v1_14_R1.AdvancementProgress
typealias AdvancementDisplay = net.minecraft.server.v1_14_R1.AdvancementDisplay
typealias IChatBaseComponent = net.minecraft.server.v1_14_R1.IChatBaseComponent
typealias ChatSerializer = net.minecraft.server.v1_14_R1.IChatBaseComponent.ChatSerializer

fun PacketPlayOutAdvancements(
    clear: Boolean,
    advancements: Map<MinecraftKey, SerializedAdvancement>,
    remove: Set<MinecraftKey>,
    progresses: Map<MinecraftKey, AdvancementProgress>
) = PacketPlayOutAdvancements().apply {
    this.clear = clear
    this.advancements = advancements
    this.remove = remove
    this.progresses = progresses
}

var PacketPlayOutAdvancements.clear
    get() = getPrivateFieldValue<Boolean>("a")
    set(value) = setPrivateFieldValue("a", value)
var PacketPlayOutAdvancements.advancements
    get() = getPrivateFieldValue<Map<MinecraftKey, SerializedAdvancement>>("b")
    set(value) = setPrivateFieldValue("b", value)
var PacketPlayOutAdvancements.remove
    get() = getPrivateFieldValue<Set<MinecraftKey>>("c")
    set(value) = setPrivateFieldValue("c", value)
var PacketPlayOutAdvancements.progresses
    get() = getPrivateFieldValue<Map<MinecraftKey, AdvancementProgress>>("d")
    set(value) = setPrivateFieldValue("d", value)

var SerializedAdvancement.display
    get() = getPrivateFieldValue<AdvancementDisplay>("c")
    set(value) = setPrivateFieldValue("c", value)

var AdvancementDisplay.title
    get() = getPrivateFieldValue<IChatBaseComponent>("a")
    set(value) = setPrivateFieldValue("a", value)
var AdvancementDisplay.description
    get() = getPrivateFieldValue<IChatBaseComponent>("b")
    set(value) = setPrivateFieldValue("b", value)

private inline fun <reified T> Any.getPrivateFieldValue(fieldName: String): T {
    return javaClass.getPrivateField(fieldName)[this] as T
}

private fun Any.setPrivateFieldValue(fieldName: String, value: Any?) {
    javaClass.getPrivateField(fieldName)[this] = value
}

private fun Class<*>.getPrivateField(name: String): Field = javaClass.getDeclaredField(name).apply {
    isAccessible = true
}