package at.hannibal2.skyhanni.utils

import at.hannibal2.skyhanni.utils.StringUtils.matchRegex
import at.hannibal2.skyhanni.utils.StringUtils.removeColor
import com.google.gson.GsonBuilder
import com.google.gson.JsonObject
import net.minecraft.client.Minecraft
import net.minecraft.init.Items
import net.minecraft.item.ItemStack
import net.minecraftforge.common.util.Constants
import java.util.*
import java.util.regex.Pattern

object ItemUtils {

    fun ItemStack.cleanName() = this.displayName.removeColor()

    fun isSack(name: String): Boolean =
        name.endsWith(" Sack")//TODO use item id or api or something? or dont, its working fine now

    fun ItemStack.getLore(): List<String> {
        val tagCompound = this.tagCompound ?: return emptyList()
        val tagList = tagCompound.getCompoundTag("display").getTagList("Lore", 8)
        val list: MutableList<String> = ArrayList()
        for (i in 0 until tagList.tagCount()) {
            list.add(tagList.getStringTagAt(i))
        }
        return list
    }

    fun isCoopSoulBound(stack: ItemStack): Boolean =
        stack.getLore().any {
            it == "§8§l* §8Co-op Soulbound §8§l*" || it == "§8§l* §8Soulbound §8§l*"
        }

    fun isSoulBound(stack: ItemStack): Boolean =
        stack.getLore().any { it == "§8§l* §8Soulbound §8§l*" }

    fun isRecombobulated(stack: ItemStack): Boolean = stack.getLore().any { it.contains("§k") }//TODO use item api

    fun isPet(name: String): Boolean = name.matchRegex("\\[Lvl (.*)] (.*)") && !listOf(
        "Archer",
        "Berserk",
        "Mage",
        "Tank",
        "Healer",
        "➡",
    ).any { name.contains(it) }

    fun maxPetLevel(name: String) = if (name.contains("Golden Dragon")) 200 else 100

    fun getItemsInInventory(withCursorItem: Boolean = false): List<ItemStack> {
        val list: LinkedList<ItemStack> = LinkedList()
        val player = Minecraft.getMinecraft().thePlayer
        if (player == null) {
            LorenzUtils.warning("getItemsInInventoryWithSlots: player is null!")
            return list
        }
        for (slot in player.openContainer.inventorySlots) {
            if (slot.hasStack) {
                list.add(slot.stack)
            }
        }

        if (withCursorItem) {
            if (player.inventory != null) {
                if (player.inventory.itemStack != null) {
                    list.add(player.inventory.itemStack)
                }
            }
        }
        return list
    }

    fun getItemsInInventoryWithSlots(withCursorItem: Boolean = false): Map<ItemStack, Int> {
        val map: LinkedHashMap<ItemStack, Int> = LinkedHashMap()
        val player = Minecraft.getMinecraft().thePlayer
        if (player == null) {
            LorenzUtils.warning("getItemsInInventoryWithSlots: player is null!")
            return map
        }
        for (slot in player.openContainer.inventorySlots) {
            if (slot.hasStack) {
                map[slot.stack] = slot.slotNumber
            }
        }

        if (withCursorItem) {
            if (player.inventory != null) {
                if (player.inventory.itemStack != null) {
                    map[player.inventory.itemStack] = -1
                }
            }
        }

        return map
    }

    fun hasAttributes(stack: ItemStack): Boolean {
        if (stack.hasTagCompound()) {
            val tagCompound = stack.tagCompound
            if (tagCompound.hasKey("ExtraAttributes")) {
                val extraAttributes = tagCompound.getCompoundTag("ExtraAttributes")
                try {
                    val json = GsonBuilder().create().fromJson(extraAttributes.toString(), JsonObject::class.java)
                    if (json.has("attributes")) {
                        return true
                    }
                } catch (_: Exception) {
                }
            }
        }
        return false
    }

    fun ItemStack.getInternalName() = NEUItems.getInternalName(this)

    fun ItemStack.isVanilla() = NEUItems.isVanillaItem(this)

    fun ItemStack.isEnchanted() = isItemEnchanted

    fun ItemStack.getSkullTexture(): String? {
        if (item != Items.skull) return null
        if (tagCompound == null) return null
        val nbt = tagCompound
        if (!nbt.hasKey("SkullOwner")) return null
        return nbt.getCompoundTag("SkullOwner").getCompoundTag("Properties")
            .getTagList("textures", Constants.NBT.TAG_COMPOUND).getCompoundTagAt(0).getString("Value")
    }

    //extra method for shorter name and kotlin nullability logic
    var ItemStack.name: String?
        get() = this.displayName
        set(value) {
            setStackDisplayName(value)
        }

    fun isSkyBlockMenuItem(stack: ItemStack?): Boolean = stack?.getInternalName() == "SKYBLOCK_MENU"

    private val pattern = Pattern.compile("(?<name>(?:['\\w-]+ ?)+)(?:§8x(?<amount>[\\d,]+))?")

    private val itemAmountCache = mutableMapOf<String, Pair<String, Int>>()

    fun readItemAmount(input: String): Pair<String?, Int> {
        if (itemAmountCache.containsKey(input)) {
            return itemAmountCache[input]!!
        }
        var string = input.trim()
        val color = string.substring(0, 2)
        string = string.substring(2)
        val matcher = pattern.matcher(string)
        if (!matcher.matches()) return Pair(null, 0)

        val itemName = color + matcher.group("name").trim()
        val amount = matcher.group("amount")?.replace(",", "")?.toInt() ?: 1
        val pair = Pair(itemName, amount)
        itemAmountCache[input] = pair
        return pair
    }
}