package club.mcscrims.speedhg.command

import club.mcscrims.speedhg.SpeedHG
import club.mcscrims.speedhg.util.sendMsg
import net.kyori.adventure.text.Component
import net.kyori.adventure.text.minimessage.MiniMessage
import org.bukkit.command.Command
import org.bukkit.command.CommandExecutor
import org.bukkit.command.CommandSender
import org.bukkit.command.TabCompleter
import org.bukkit.entity.Player

/**
 * ## KitInfoCommand
 *
 * Zeigt den Namen und die Beschreibung eines Kits oder Perks im Chat an.
 *
 * ## Verwendung
 * | Command | Alias | Beschreibung |
 * |---|---|---|
 * | `/kitinfo <id>` | `/perkinfo <id>` | Zeigt Name + Lore des Kits/Perks |
 *
 * ## Lookup-Reihenfolge
 * 1. Suche in `kitManager` (case-insensitive auf `kit.id`)
 * 2. Falls nicht gefunden, suche in `perkManager`
 * 3. Falls immer noch nicht gefunden, sende Fehlermeldung
 */
class KitInfoCommand : CommandExecutor, TabCompleter
{

	private val plugin get() = SpeedHG.instance
	private val mm = MiniMessage.miniMessage()

	override fun onCommand(
		sender: CommandSender,
		command: Command,
		label: String,
		args: Array<out String>
	): Boolean
	{
		val player = sender as? Player ?: run {
			sender.sendMessage( "§cOnly players can execute this command." )
			return true
		}

		if ( args.isEmpty() )
		{
			player.sendMsg( "commands.kitinfo.usage" )
			return true
		}

		val query = args[0].lowercase()

		// ── 1. Kit-Lookup ─────────────────────────────────────────────────────
		val kit = plugin.kitManager.getKit( query )
		if ( kit != null )
		{
			sendKitInfo( player, kit.displayName, kit.lore )
			return true
		}

		// ── 2. Perk-Lookup ────────────────────────────────────────────────────
		val perk = plugin.perkManager.getPerk( query )
		if ( perk != null )
		{
			sendKitInfo( player, perk.displayName, perk.lore )
			return true
		}

		// ── 3. Nicht gefunden ─────────────────────────────────────────────────
		player.sendMsg( "commands.kitinfo.notFound", "name" to args[0] )
		return true
	}

	// ── Formatierungs-Helfer ──────────────────────────────────────────────────

	private fun sendKitInfo(
		player: Player,
		displayName: Component,
		lore: List<String>
	) {
		val separator = mm.deserialize( plugin.languageManager.getRawMessage( player, "commands.kitinfo.separator" ) )
		val header    = mm.deserialize( plugin.languageManager.getRawMessage( player, "commands.kitinfo.header" ) )

		player.sendMessage( separator )
		player.sendMessage( header.append( displayName ) )

		lore.forEach { line ->
			player.sendMessage( mm.deserialize( line ) )
		}

		player.sendMessage( separator )
	}

	// ── Tab-Completion ────────────────────────────────────────────────────────

	override fun onTabComplete(
		sender: CommandSender,
		command: Command,
		label: String,
		args: Array<out String>
	): List<String>
	{
		if ( args.size != 1 )
			return emptyList()

		val input = args[0].lowercase()

		val kitIds  = plugin.kitManager.getRegisteredKits().map { it.id }
		val perkIds = plugin.perkManager.getRegisteredPerks().map { it.id }

		return ( kitIds + perkIds )
			.filter { it.startsWith( input ) }
			.sorted()
	}

}