package at.hannibal2.skyhanni.utils

import at.hannibal2.skyhanni.features.inventory.bazaar.BazaarApi.getBazaarData
import at.hannibal2.skyhanni.features.inventory.bazaar.BazaarDataHolder
import at.hannibal2.skyhanni.utils.ItemUtils.getInternalName
import at.hannibal2.skyhanni.utils.ItemUtils.getRecipePrice
import at.hannibal2.skyhanni.utils.ItemUtils.itemName
import at.hannibal2.skyhanni.utils.NEUInternalName.Companion.asInternalName
import at.hannibal2.skyhanni.utils.NEUItems.getItemStackOrNull
import at.hannibal2.skyhanni.utils.NEUItems.getRecipes
import at.hannibal2.skyhanni.utils.NumberUtil.addSeparators

object ItemPriceUtils {

    fun NEUInternalName.getPrice(
        priceSource: ItemPriceSource = ItemPriceSource.BAZAAR_INSTANT_BUY,
        pastRecipes: List<PrimitiveRecipe> = emptyList(),
    ) = getPriceOrNull(priceSource, pastRecipes) ?: 0.0

    fun NEUInternalName.getPriceOrNull(
        priceSource: ItemPriceSource = ItemPriceSource.BAZAAR_INSTANT_BUY,
        pastRecipes: List<PrimitiveRecipe> = emptyList(),
    ): Double? {
        when (this) {
            NEUInternalName.JASPER_CRYSTAL -> return 0.0
            NEUInternalName.RUBY_CRYSTAL -> return 0.0
            NEUInternalName.SKYBLOCK_COIN -> return 1.0
            NEUInternalName.WISP_POTION -> return 20_000.0
        }

        if (priceSource != ItemPriceSource.NPC_SELL) {
            getBazaarData()?.let {
                return if (priceSource == ItemPriceSource.BAZAAR_INSTANT_BUY) it.sellOfferPrice else it.instantBuyPrice
            }

            getLowestBinOrNull()?.let {
                return it
            }

            if (equals("JACK_O_LANTERN")) {
                return "PUMPKIN".asInternalName().getPrice(priceSource) + 1
            }
        }
        if (equals("GOLDEN_CARROT")) {
            // 6.8 for some players
            return 7.0 // NPC price
        }

        return getNpcPriceOrNull() ?: getRawCraftCostOrNull(priceSource, pastRecipes)
    }

    private fun NEUInternalName.getLowestBinOrNull(): Double? {
        val result = NEUItems.manager.auctionManager.getLowestBin(asString())
        if (result == -1L) return null
        return result.toDouble()
    }

    // We can not use NEU craft cost, since we want to respect the price source choice
    // NEUItems.manager.auctionManager.getCraftCost(asString())?.craftCost
    fun NEUInternalName.getRawCraftCostOrNull(
        priceSource: ItemPriceSource = ItemPriceSource.BAZAAR_INSTANT_BUY,
        pastRecipes: List<PrimitiveRecipe> = emptyList(),
    ): Double? = getRecipes(this).filter { it !in pastRecipes }
        .map { it.getRecipePrice(priceSource, pastRecipes + it) }
        .filter { it >= 0 }
        .minOrNull()

    fun NEUInternalName.getNpcPrice(): Double = getNpcPriceOrNull() ?: 0.0

    fun NEUInternalName.getNpcPriceOrNull(): Double? {
        if (this == NEUInternalName.WISP_POTION) {
            return 20_000.0
        }
        return BazaarDataHolder.getNpcPrice(this)
    }

    fun debugItemPrice(args: Array<String>) {
        val internalName = getItemOrFromHand(args)
        if (internalName == null) {
            ChatUtils.userError("Hold an item in hand or do /shdebugprice <item name/id>")
            return
        }


        val defaultPrice = internalName.getPrice().addSeparators()
        ChatUtils.chat("${internalName.itemName}§f: §6$defaultPrice")

        println("")
        println(" Debug Item Price for $internalName ")
        println("defaultPrice: $defaultPrice")

        println(" #")
        for (source in ItemPriceSource.values()) {
            val price = internalName.getPrice(source)
            println("${source.displayName} price: ${price.addSeparators()}")
        }
        println(" #")

        println(" ")
        println("getLowestBinOrNull: ${internalName.getLowestBinOrNull()?.addSeparators()}")

        internalName.getBazaarData().let {
            println("getBazaarData sellOfferPrice: ${it?.sellOfferPrice?.addSeparators()}")
            println("getBazaarData instantBuyPrice: ${it?.instantBuyPrice?.addSeparators()}")
        }

        println("getNpcPriceOrNull: ${internalName.getNpcPriceOrNull()?.addSeparators()}")
        println("getRawCraftCostOrNull: ${internalName.getRawCraftCostOrNull()?.addSeparators()}")
        println(" ")
    }

    // TODO move either into inventory utils or new command utils
    fun getItemOrFromHand(args: Array<String>): NEUInternalName? {
        val name = args.joinToString(" ")
        return if (name.isEmpty()) {
            InventoryUtils.getItemInHand()?.getInternalName()
        } else {
            val internalName = name.asInternalName()
            if (internalName.getItemStackOrNull() != null) {
                internalName
            } else {
                NEUInternalName.fromItemNameOrNull(name)
            }

        }
    }
}