/*
 * SPDX-FileCopyrightText: 2023 Linnea Gräf <nea@nea.moe>
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

package moe.nea.firmament.features.chat

import com.mojang.brigadier.context.CommandContext
import net.minecraft.text.Text
import moe.nea.firmament.annotations.Subscribe
import moe.nea.firmament.commands.DefaultSource
import moe.nea.firmament.commands.RestArgumentType
import moe.nea.firmament.commands.get
import moe.nea.firmament.commands.thenArgument
import moe.nea.firmament.commands.thenExecute
import moe.nea.firmament.events.CommandEvent
import moe.nea.firmament.features.FirmamentFeature
import moe.nea.firmament.util.MC
import moe.nea.firmament.util.SBData

object QuickCommands : FirmamentFeature {
    override val identifier: String
        get() = "quick-commands"

    fun removePartialPrefix(text: String, prefix: String): String? {
        var lf: String? = null
        for (i in 1..prefix.length) {
            if (text.startsWith(prefix.substring(0, i))) {
                lf = text.substring(i)
            }
        }
        return lf
    }

    val kuudraLevelNames = listOf("NORMAL", "HOT", "BURNING", "FIERY", "INFERNAL")
    val dungeonLevelNames = listOf("ONE", "TWO", "THREE", "FOUR", "FIVE", "SIX", "SEVEN")

    @Subscribe
    fun onCommands(it: CommandEvent) {
        it.register("join") {
            thenArgument("what", RestArgumentType) { what ->
                thenExecute {
                    val what = this[what]
                    if (!SBData.isOnSkyblock) {
                        MC.sendCommand("join $what")
                        return@thenExecute
                    }
                    val joinName = getNameForFloor(what.replace(" ", "").lowercase())
                    if (joinName == null) {
                        source.sendFeedback(Text.stringifiedTranslatable("firmament.quick-commands.join.unknown", what))
                    } else {
                        source.sendFeedback(Text.stringifiedTranslatable("firmament.quick-commands.join.success",
                                                                         joinName))
                        MC.sendCommand("joininstance $joinName")
                    }
                }
            }
            thenExecute {
                source.sendFeedback(Text.translatable("firmament.quick-commands.join.explain"))
            }
        }
    }

    fun CommandContext<DefaultSource>.getNameForFloor(w: String): String? {
        val kuudraLevel = removePartialPrefix(w, "kuudratier") ?: removePartialPrefix(w, "tier")
        if (kuudraLevel != null) {
            val l = kuudraLevel.toIntOrNull()?.let { it - 1 } ?: kuudraLevelNames.indexOfFirst {
                it.startsWith(
                    kuudraLevel,
                    true
                )
            }
            if (l !in kuudraLevelNames.indices) {
                source.sendFeedback(Text.stringifiedTranslatable("firmament.quick-commands.join.unknown-kuudra",
                                                                 kuudraLevel))
                return null
            }
            return "KUUDRA_${kuudraLevelNames[l]}"
        }
        val masterLevel = removePartialPrefix(w, "master")
        val normalLevel =
            removePartialPrefix(w, "floor") ?: removePartialPrefix(w, "catacombs") ?: removePartialPrefix(w, "dungeons")
        val dungeonLevel = masterLevel ?: normalLevel
        if (dungeonLevel != null) {
            val l = dungeonLevel.toIntOrNull()?.let { it - 1 } ?: dungeonLevelNames.indexOfFirst {
                it.startsWith(
                    dungeonLevel,
                    true
                )
            }
            if (masterLevel == null && (l == -1 || null != removePartialPrefix(w, "entrance"))) {
                return "CATACOMBS_ENTRANCE"
            }
            if (l !in dungeonLevelNames.indices) {
                source.sendFeedback(Text.stringifiedTranslatable("firmament.quick-commands.join.unknown-catacombs",
                                                                 kuudraLevel))
                return null
            }
            return "${if (masterLevel != null) "MASTER_" else ""}CATACOMBS_FLOOR_${dungeonLevelNames[l]}"
        }
        return null
    }
}