package at.hannibal2.skyhanni.features.slayer

import at.hannibal2.skyhanni.SkyHanniMod
import at.hannibal2.skyhanni.data.SlayerAPI
import at.hannibal2.skyhanni.events.LorenzRenderWorldEvent
import at.hannibal2.skyhanni.events.LorenzTickEvent
import at.hannibal2.skyhanni.skyhannimodule.SkyHanniModule
import at.hannibal2.skyhanni.utils.EntityUtils
import at.hannibal2.skyhanni.utils.ItemUtils.getInternalName
import at.hannibal2.skyhanni.utils.LorenzUtils
import at.hannibal2.skyhanni.utils.NEUInternalName
import at.hannibal2.skyhanni.utils.RenderUtils.drawString
import at.hannibal2.skyhanni.utils.RenderUtils.exactLocation
import at.hannibal2.skyhanni.utils.TimeLimitedCache
import net.minecraft.entity.item.EntityItem
import net.minecraft.init.Items
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
import kotlin.time.Duration.Companion.seconds

@SkyHanniModule
object SlayerItemsOnGround {

    private val config get() = SkyHanniMod.feature.slayer.itemsOnGround

    private var itemsOnGround = TimeLimitedCache<EntityItem, String>(2.seconds)

    @SubscribeEvent
    fun onTick(event: LorenzTickEvent) {
        if (!isEnabled()) return
        for (entityItem in EntityUtils.getEntitiesNextToPlayer<EntityItem>(15.0)) {
            val itemStack = entityItem.entityItem
            if (itemStack.item == Items.spawn_egg) continue
            if (itemStack.getInternalName() == NEUInternalName.NONE) continue
            val (name, price) = SlayerAPI.getItemNameAndPrice(itemStack.getInternalName(), itemStack.stackSize)
            if (config.minimumPrice > price) continue
            itemsOnGround[entityItem] = name
        }
    }

    @SubscribeEvent
    fun onRenderWorld(event: LorenzRenderWorldEvent) {
        if (!isEnabled()) return

        for ((item, text) in itemsOnGround) {
            val location = event.exactLocation(item).add(y = 0.8)
            event.drawString(location, text)
        }
    }

    fun isEnabled() = LorenzUtils.inSkyBlock && config.enabled &&
        SlayerAPI.isInCorrectArea && SlayerAPI.hasActiveSlayerQuest()
}