package moe.nea.firmament.gui.entity

import com.google.gson.JsonObject
import net.minecraft.component.DataComponentTypes
import net.minecraft.component.type.DyedColorComponent
import net.minecraft.entity.EquipmentSlot
import net.minecraft.entity.LivingEntity
import net.minecraft.item.Item
import net.minecraft.item.ItemStack
import net.minecraft.item.Items
import moe.nea.firmament.repo.SBItemStack
import moe.nea.firmament.util.SkyblockId
import moe.nea.firmament.util.mc.setEncodedSkullOwner
import moe.nea.firmament.util.mc.zeroUUID

object ModifyEquipment : EntityModifier {
	val names = mapOf(
		"hand" to EquipmentSlot.MAINHAND,
		"helmet" to EquipmentSlot.HEAD,
		"chestplate" to EquipmentSlot.CHEST,
		"leggings" to EquipmentSlot.LEGS,
		"feet" to EquipmentSlot.FEET,
	)

	override fun apply(entity: LivingEntity, info: JsonObject): LivingEntity {
		names.forEach { (key, slot) ->
			info[key]?.let {
				entity.equipStack(slot, createItem(it.asString))
			}
		}
		return entity
	}

	private fun createItem(item: String): ItemStack {
		val split = item.split("#")
		if (split.size != 2) return SBItemStack(SkyblockId(item)).asImmutableItemStack()
		val (type, data) = split
		return when (type) {
			"SKULL" -> ItemStack(Items.PLAYER_HEAD).also { it.setEncodedSkullOwner(zeroUUID, data) }
			"LEATHER_LEGGINGS" -> coloredLeatherArmor(Items.LEATHER_LEGGINGS, data)
			"LEATHER_BOOTS" -> coloredLeatherArmor(Items.LEATHER_BOOTS, data)
			"LEATHER_HELMET" -> coloredLeatherArmor(Items.LEATHER_HELMET, data)
			"LEATHER_CHESTPLATE" -> coloredLeatherArmor(Items.LEATHER_CHESTPLATE, data)
			else -> error("Unknown leather piece: $type")
		}
	}

	private fun coloredLeatherArmor(leatherArmor: Item, data: String): ItemStack {
		val stack = ItemStack(leatherArmor)
		stack.set(DataComponentTypes.DYED_COLOR, DyedColorComponent(data.toInt(16), false))
		return stack
	}
}