Decider admin

app/actors/LobbieActor.scala

@@ -4,14 +4,11 @@ import actors.UserActor._
 import akka.actor.{Actor, ActorRef}
 import akka.event.LoggingReceive
 import akka.util.Timeout
-import com.typesafe.config.ConfigFactory
 import com.typesafe.scalalogging.LazyLogging
+import repository.DeciderRepository
 
-import java.util
-import scala.collection.JavaConverters.iterableAsScalaIterableConverter
 import scala.collection.immutable.HashSet
 import scala.concurrent.duration._
-import scala.util.Try
 
 case class LobbyUser(name: String, actorRef: ActorRef)
 
@@ -23,7 +20,6 @@ case class DeciderMap(map: String, description: Option[String] = None, var isBan
  */
 class LobbieActor(hostUser: LobbyUser, deciderName: String) extends Actor with LazyLogging {
 
-  val config = ConfigFactory.load()
   logger.info(s"Create lobby... host: ${hostUser.actorRef.path.name}")
 
 
@@ -49,11 +45,12 @@ class LobbieActor(hostUser: LobbyUser, deciderName: String) extends Actor with L
 
 
   private val mapsLobby: Set[DeciderMap] = {
-    val configMaps = config.getList(s"deciders.$deciderName.maps").asScala
+    DeciderRepository.get(deciderName) match {
-    configMaps.map(e => {
+      case Some(d) =>
-      val mapConfig = e.unwrapped().asInstanceOf[util.ArrayList[String]].asScala
+        d.maps.map(m => DeciderMap(m.map, m.description)).toSet
-      DeciderMap(mapConfig.head, mapConfig.tail.headOption)
+      case None =>
-    }).toSet
+        Set.empty[DeciderMap]
+    }
   }
 
   hostUser.actorRef.tell(

app/controllers/AdminController.scala

@@ -1,52 +1,241 @@
 package controllers
 
-import actors.UserParentActor.GetAllUsers
-import actors._
-import akka.NotUsed
-import akka.actor._
-import akka.event.Logging
-import akka.pattern.ask
-import akka.stream._
-import akka.stream.scaladsl._
-import akka.util.Timeout
-import com.typesafe.config.ConfigFactory
-
 import javax.inject._
-import org.reactivestreams.Publisher
+import com.typesafe.config.ConfigFactory
+import play.api.i18n.Messages
 import play.api.libs.json._
 import play.api.mvc._
+import repository.DeciderRepository
+import play.api.libs.ws.WSClient
 
-import scala.concurrent.duration._
+import scala.collection.JavaConverters._
-import scala.concurrent.{Await, ExecutionContext, Future}
+import scala.concurrent.{ExecutionContext, Future}
+import scala.util.Try
 
 /**
- * This class creates the actions and the websocket needed.
+ * Admin panel for managing deciders.
+ * Authentication via Steam OpenID.
  */
 @Singleton
-class AdminController @Inject()(cc: ControllerComponents, homeController: HomeController) extends AbstractController(cc) {
+class AdminController @Inject()(
+  cc: ControllerComponents,
+  ws: WSClient
+) extends AbstractController(cc) with SecuredActions {
 
-  implicit val actorSystem: ActorSystem = ActorSystem()
+  implicit val ec: ExecutionContext = cc.executionContext
-  implicit val ec: ExecutionContext = defaultExecutionContext
+  private val logger = org.slf4j.LoggerFactory.getLogger("controllers.AdminController")
-  implicit val timeout = Timeout(100.millis)
 
-  // Use a direct reference to SLF4J
+  // ---------- Steam OpenID ----------
-  private val logger = org.slf4j.LoggerFactory.getLogger("controllers.HomeController")
 
-  val userParentActor: ActorRef = homeController.userParentActor
+  private val SteamLoginUrl = "https://steamcommunity.com/openid/login"
 
-  // Home page that renders template
+  // ---------- Public endpoints ----------
-  def viewAllUsers() = Action { implicit request =>
-    logger.info(s"Received request from: ${request.remoteAddress}")
 
-    val allUsers = userParentActor ? GetAllUsers
+  def login() = Action { implicit request =>
-    val res = Await.result(allUsers, Duration.Inf)
+    val realm = request.headers.get("Host").map(h => s"http://$h/").getOrElse("http://localhost:1337/")
-    Ok(res.toString)
+    val returnTo = controllers.routes.AdminController.steamCallback().absoluteURL()
+
+    val params = Map(
+      "openid.ns" -> "http://specs.openid.net/auth/2.0",
+      "openid.mode" -> "checkid_setup",
+      "openid.return_to" -> returnTo,
+      "openid.realm" -> realm,
+      "openid.identity" -> "http://specs.openid.net/auth/2.0/identifier_select",
+      "openid.claimed_id" -> "http://specs.openid.net/auth/2.0/identifier_select"
+    )
+
+    val query = params.map { case (k, v) => s"${java.net.URLEncoder.encode(k, "UTF-8")}=${java.net.URLEncoder.encode(v, "UTF-8")}" }.mkString("&")
+    Redirect(s"$SteamLoginUrl?$query")
   }
 
+  def steamCallback() = Action.async { implicit request =>
+    // Steam присылает параметры в формате OpenID: openid.mode, openid.identity,
+    // openid.claimed_id. Play отдаёт ключи в queryString как есть, с точкой,
+    // поэтому нормализуем имена к виду openid_mode и т.д.
+    val openidParams = request.queryString.map { case (k, v) => k.replace('.', '_') -> v }
 
-  def reloadConfig()= Action { implicit request =>
+    // Validate Steam OpenID response
-    ConfigFactory.invalidateCaches()
+    val mode = openidParams.get("openid_mode").flatMap(_.headOption)
-    logger.info("Config reloaded")
+    val identifier = openidParams.get("openid_identity").flatMap(_.headOption)
+    val assertion = openidParams.get("openid_claimed_id").flatMap(_.headOption)
+
+    (mode, identifier orElse assertion) match {
+      case (Some("id_res"), Some(steamId)) if isSteamId(steamId) =>
+        val steamId64 = parseSteamId64(steamId)
+        val config = ConfigFactory.load()
+        val allowed = Try(config.getStringList("admin.allowedSteamIds").asScala.toSet).getOrElse(Set.empty)
+        if (allowed.isEmpty || allowed.contains(steamId64)) {
+          Future.successful(Redirect("/decider/admin").withSession("steamId" -> steamId64))
+        } else {
+          Future.successful(Redirect("/decider/admin").flashing("error" -> "You are not authorized"))
+        }
+
+      case (Some("id_res"), _) =>
+        Future.successful(Redirect("/decider/admin").flashing("error" -> "Steam authentication failed"))
+
+      case _ =>
+        Future.successful(Redirect("/decider/admin").flashing("error" -> "Invalid OpenID response"))
+    }
+  }
+
+  private def isSteamId(id: String): Boolean =
+    id.startsWith("https://steamcommunity.com/openid/id/") ||
+      id.startsWith("http://steamcommunity.com/openid/id/")
+
+  private def parseSteamId64(id: String): String =
+    id.replaceAll("""(https?://steamcommunity\.com/openid/id/)""", "")
+
+  // ---------- Admin page ----------
+
+  def index() = Secured { implicit request =>
+    implicit val messages: Messages = messagesApi.preferred(request)
+    Ok(views.html.admin(DeciderRepository.all))
+  }
+
+  // ---------- API: list map images ----------
+
+  def mapImages() = Secured { implicit request =>
+    val images = repository.MapImageRepository.all.map { image =>
+      Json.obj(
+        "name" -> image.name,
+        "file" -> image.file,
+        "players" -> image.players
+      )
+    }
+    Ok(Json.toJson(images))
+  }
+
+  // ---------- API: upload map image ----------
+
+  def mapImageUpload() = Secured(parse.multipartFormData) { implicit request =>
+    request.body.file("file") match {
+      case Some(part) =>
+        repository.MapImageRepository.saveUploaded(part.filename, part.ref.path.toFile) match {
+          case Right(image) =>
+            logger.info(s"Admin ${SecuredActions.steamIdOrUnknown(request)} uploaded map image '${image.file}'")
+            Ok(Json.obj(
+              "ok" -> true,
+              "name" -> image.name,
+              "file" -> image.file,
+              "players" -> image.players
+            ))
+          case Left(error) =>
+            BadRequest(Json.obj("error" -> error))
+        }
+      case None =>
+        BadRequest(Json.obj("error" -> "No file uploaded"))
+    }
+  }
+
+  // ---------- API: list all deciders ----------
+
+  def decidersList() = Secured { implicit request =>
+    val list = DeciderRepository.all.map(d => Json.obj(
+      "key" -> d.key,
+      "name" -> d.name,
+      "rules" -> d.rules,
+      "raceCount" -> d.raceCount,
+      "existAdditionalRaces" -> d.existAdditionalRaces,
+      "existTextFieldRaces" -> d.existTextFieldRaces,
+      "description" -> d.description,
+      "maps" -> d.maps.map(m => Json.obj("map" -> m.map, "description" -> m.description))
+    ))
+    Ok(Json.toJson(list))
+  }
+
+  // ---------- API: get one decider ----------
+
+  def deciderGet(key: String) = Secured { implicit request =>
+    DeciderRepository.get(key) match {
+      case Some(d) =>
+        Ok(Json.obj(
+          "key" -> d.key,
+          "name" -> d.name,
+          "rules" -> d.rules,
+          "raceCount" -> d.raceCount,
+          "existAdditionalRaces" -> d.existAdditionalRaces,
+          "existTextFieldRaces" -> d.existTextFieldRaces,
+          "description" -> d.description,
+          "maps" -> d.maps.map(m => Json.obj("map" -> m.map, "description" -> m.description))
+        ))
+      case None =>
+        NotFound(Json.obj("error" -> s"Decider $key not found"))
+    }
+  }
+
+  // ---------- API: save / update decider ----------
+
+  def deciderSave() = SecuredJson { implicit request =>
+    val json = request.body
+
+    (json \ "key").asOpt[String] match {
+      case None =>
+        BadRequest(Json.obj("error" -> "Missing key"))
+
+      case Some(key) =>
+        Try {
+          val maps = (json \ "maps").as[List[JsValue]].map { m =>
+            repository.DeciderMapConfig(
+              map = (m \ "map").as[String],
+              description = (m \ "description").asOpt[String]
+            )
+          }
+          repository.Decider(
+            key = key,
+            name = (json \ "name").as[String],
+            rules = (json \ "rules").as[String],
+            raceCount = (json \ "raceCount").as[Int],
+            existAdditionalRaces = (json \ "existAdditionalRaces").as[Boolean],
+            existTextFieldRaces = (json \ "existTextFieldRaces").as[Boolean],
+            description = (json \ "description").as[Boolean],
+            maps = maps
+          )
+        }.toEither match {
+          case Right(decider) =>
+            val existed = DeciderRepository.get(decider.key).isDefined
+            DeciderRepository.save(decider)
+            DeciderRepository.reload()
+            if (existed) {
+              logger.info(
+                s"Admin ${SecuredActions.steamIdOrUnknown(request)} updated decider '${decider.key}' " +
+                  s"(name='${decider.name}', maps=${decider.maps.size})"
+              )
+            } else {
+              logger.info(
+                s"Admin ${SecuredActions.steamIdOrUnknown(request)} created decider '${decider.key}' " +
+                  s"(name='${decider.name}', maps=${decider.maps.size})"
+              )
+            }
+            Ok(Json.obj("ok" -> true))
+
+          case Left(error) =>
+            BadRequest(Json.obj("error" -> s"$error"))
+        }
+    }
+  }
+
+  // ---------- API: delete decider ----------
+
+  def deciderDelete(key: String) = SecuredApi { implicit request =>
+    if (DeciderRepository.delete(key)) {
+      DeciderRepository.reload()
+      logger.info(s"Admin ${SecuredActions.steamIdOrUnknown(request)} deleted decider '$key'")
+      Ok(Json.obj("ok" -> true))
+    } else {
+      NotFound(Json.obj("error" -> s"Decider $key not found"))
+    }
+  }
+
+  // ---------- Legacy endpoints (deprecated) ----------
+
+  @deprecated("unused", "1.0")
+  def viewAllUsers() = Action { implicit request =>
+    logger.info("viewAllUsers")
+    Ok("viewAllUsers")
+  }
+
+  @deprecated("unused", "1.0")
+  def reloadConfig() = Action { implicit request =>
     Ok("Config reloaded")
   }
 }

app/controllers/HomeController.scala

@@ -13,6 +13,7 @@ import com.typesafe.config.ConfigFactory
 import org.reactivestreams.Publisher
 import play.api.libs.json._
 import play.api.mvc._
+import repository.DeciderRepository
 
 import scala.concurrent.duration._
 import scala.concurrent.{ExecutionContext, Future}
@@ -41,14 +42,15 @@ class HomeController @Inject()(cc: ControllerComponents) extends AbstractControl
   // Home page that renders template
   def index(deciderName: String) = Action { implicit request =>
     logger.info(s"Received request from: ${request.remoteAddress}")
-    val deciderHumanName = config.getString(s"deciders.$deciderName.name")
+    val deciderOpt = DeciderRepository.get(deciderName)
-    val deciderDescription = config.getString(s"deciders.$deciderName.rules")
+    if (deciderOpt.isEmpty) {
-    val existAdditionalRaces = Try(config.getBoolean(s"deciders.$deciderName.existAdditionalRaces")).getOrElse(false)
+      NotFound(s"Decider $deciderName not found")
-    val existTextFieldRaces = Try(config.getBoolean(s"deciders.$deciderName.existTextFieldRaces")).getOrElse(false)
+    } else {
-    val raceCount = Try(config.getInt(s"deciders.$deciderName.raceCount")).getOrElse(1)
+      val d = deciderOpt.get
-    val lastmapsSettings = LastMapsSelectConfig(true, true, true, true)
+      val lastmapsSettings = LastMapsSelectConfig(true, true, true, true)
-    val raceSelect = RaceSelect(true, false)
+      val raceSelect = RaceSelect(true, false)
-    Ok(views.html.index(deciderName, deciderHumanName, raceCount, deciderDescription, raceSelect, lastmapsSettings, existAdditionalRaces, existTextFieldRaces))
+      Ok(views.html.index(deciderName, d.name, d.raceCount, d.rules, raceSelect, lastmapsSettings, d.existAdditionalRaces, d.existTextFieldRaces))
+    }
   }
 
   /**

app/controllers/SecuredActions.scala

@@ -0,0 +1,59 @@
+package controllers
+
+import play.api.libs.json.{JsValue, Json}
+import play.api.libs.typedmap.TypedKey
+import play.api.mvc._
+
+import scala.concurrent.{ExecutionContext, Future}
+
+object SecuredActions {
+
+  private val SteamIdAttr: TypedKey[String] = TypedKey("steamId")
+
+  /** Steam ID текущего авторизованного пользователя (если он есть в запросе). */
+  def steamId[A](request: Request[A]): Option[String] = request.attrs.get(SteamIdAttr)
+
+  /** Steam ID текущего пользователя или "unknown", если его нет в запросе. */
+  def steamIdOrUnknown[A](request: Request[A]): String = steamId(request).getOrElse("unknown")
+}
+
+/**
+ * Simple session-based authentication via Steam ID.
+ * Used to protect admin panel routes.
+ */
+trait SecuredActions {
+
+  self: AbstractController =>
+
+  private val SteamIdAttr: TypedKey[String] = SecuredActions.SteamIdAttr
+
+  /** Wrapper that requires the user to be logged in with Steam. */
+  def Secured: ActionBuilder[Request, AnyContent] =
+    securedWith(controllerComponents.parsers.defaultBodyParser, apiStyle = false)
+
+  /** Same as [[Secured]], but parses the request body as JSON. */
+  def SecuredJson: ActionBuilder[Request, JsValue] =
+    securedWith(controllerComponents.parsers.json, apiStyle = true)
+
+  /** Same as [[Secured]], but answers AJAX calls with 401 JSON instead of a redirect. */
+  def SecuredApi: ActionBuilder[Request, AnyContent] =
+    securedWith(controllerComponents.parsers.defaultBodyParser, apiStyle = true)
+
+  private def securedWith[A](bodyParser: BodyParser[A], apiStyle: Boolean): ActionBuilder[Request, A] =
+    new ActionBuilder[Request, A] {
+
+      override def parser: BodyParser[A] = bodyParser
+
+      override def executionContext: ExecutionContext = controllerComponents.executionContext
+
+      override def invokeBlock[B](request: Request[B], block: Request[B] => Future[Result]): Future[Result] =
+        request.session.get("steamId") match {
+          case Some(steamId) =>
+            block(request.addAttr(SteamIdAttr, steamId))
+          case None if apiStyle =>
+            Future.successful(Unauthorized(Json.obj("error" -> "Please log in with Steam")))
+          case None =>
+            Future.successful(Redirect("/decider/admin/login").flashing("error" -> "Please log in with Steam"))
+        }
+    }
+}

app/repository/DeciderRepository.scala

@@ -0,0 +1,179 @@
+package repository
+
+import com.typesafe.config.{Config, ConfigFactory}
+
+import java.io.{File, PrintWriter}
+import scala.collection.JavaConverters._
+import scala.util.Try
+
+/** Описание одной карты в маппуле десайдера. */
+case class DeciderMapConfig(map: String, description: Option[String] = None)
+
+/** Полное описание десайдера (турнира). */
+case class Decider(
+  key: String,
+  name: String,
+  rules: String,
+  raceCount: Int,
+  existAdditionalRaces: Boolean,
+  existTextFieldRaces: Boolean,
+  description: Boolean,
+  maps: List[DeciderMapConfig]
+)
+
+/**
+ * Чтение и запись десайдеров.
+ *
+ * Десайдеры хранятся во внешнем HOCON-файле (admin.decidersFile, по умолчанию
+ * "conf/deciders.conf"). Пока этот файл не существует, десайдеры читаются из
+ * application.conf, поэтому приложение работает "из коробки". Как только админ
+ * что-то сохраняет через админку, внешний файл становится единственным источником
+ * правды.
+ */
+object DeciderRepository {
+
+  private def appConfig: Config = ConfigFactory.load()
+
+  /** Файл, в который админка пишет десайдеров. */
+  def file: File = {
+    val path = Try(appConfig.getString("admin.decidersFile")).getOrElse("conf/deciders.conf")
+    new File(path)
+  }
+
+  /** Десайдеры как объект Config (содержимое блока `deciders { ... }`). */
+  def decidersConfig: Config = {
+    val f = file
+    if (f.isFile) {
+      Try(ConfigFactory.parseFile(f)).toOption
+        .filter(_.hasPath("deciders"))
+        .map(_.getConfig("deciders"))
+        .getOrElse(fallback)
+    } else {
+      fallback
+    }
+  }
+
+  /** Переинициализировать кеш конфигуратора (вызывать после сохранения). */
+  def reload(): Unit = {
+    ConfigFactory.invalidateCaches()
+  }
+
+  private def fallback: Config =
+    if (appConfig.hasPath("deciders")) appConfig.getConfig("deciders") else ConfigFactory.empty()
+
+  /** Ключи всех десайдеров (отсортированные). */
+  def keys: Seq[String] = decidersConfig.root().keySet().asScala.toSeq.sorted
+
+  /** Один десайдер по ключу. */
+  def get(key: String): Option[Decider] = {
+    val c = decidersConfig
+    if (!c.hasPath(key)) None
+    else {
+      val d = c.getConfig(key)
+      val maps = d.getList("maps").asScala.toList.map { value =>
+        value.unwrapped() match {
+          case list: java.util.List[_] =>
+            val parts = list.asScala.map(_.toString).toList
+            DeciderMapConfig(parts.head, parts.lift(1).filter(_.nonEmpty))
+          case other =>
+            // Некоторые десайдеры заданы просто списком строк без описаний.
+            DeciderMapConfig(other.toString, None)
+        }
+      }
+      Some(Decider(
+        key = key,
+        name = Try(d.getString("name")).getOrElse(key),
+        rules = Try(d.getString("rules")).getOrElse(""),
+        raceCount = Try(d.getInt("raceCount")).getOrElse(1),
+        existAdditionalRaces = Try(d.getBoolean("existAdditionalRaces")).getOrElse(false),
+        existTextFieldRaces = Try(d.getBoolean("existTextFieldRaces")).getOrElse(false),
+        description = Try(d.getBoolean("description")).getOrElse(false),
+        maps = maps
+      ))
+    }
+  }
+
+  /** Все десайдеры. */
+  def all: Seq[Decider] = keys.flatMap(get)
+
+  /** Создаёт или обновляет десайдера и перезаписывает весь файл десайдеров. */
+  def save(decider: Decider): Unit = {
+    val updated = (all.filterNot(_.key == decider.key) :+ decider).sortBy(_.key)
+    write(updated)
+  }
+
+  /** Удаляет десайдера. Возвращает true, если десайдер существовал. */
+  def delete(key: String): Boolean = {
+    val current = all
+    if (current.exists(_.key == key)) {
+      write(current.filterNot(_.key == key))
+      true
+    } else {
+      false
+    }
+  }
+
+  private def write(deciders: Seq[Decider]): Unit = {
+    val sb = new StringBuilder
+    sb.append("# Конфигурация десайдеров.\n")
+    sb.append("# Файл управляется админкой (авторизация через Steam).\n")
+    sb.append("# Ручные правки могут быть перезаписаны при следующем сохранении.\n\n")
+    sb.append("deciders {\n")
+    deciders.foreach { d =>
+      sb.append("  ").append(quoteKey(d.key)).append(" {\n")
+      sb.append("    name = ").append(quote(d.name)).append('\n')
+      sb.append("    raceCount = ").append(d.raceCount).append('\n')
+      if (d.existAdditionalRaces) sb.append("    existAdditionalRaces = true\n")
+      if (d.existTextFieldRaces) sb.append("    existTextFieldRaces = true\n")
+      if (d.description) sb.append("    description = true\n")
+      if (d.maps.isEmpty) {
+        sb.append("    maps = []\n")
+      } else {
+        sb.append("    maps = [\n")
+        d.maps.zipWithIndex.foreach { case (m, i) =>
+          sb.append("      ").append(renderMap(m))
+          if (i < d.maps.size - 1) sb.append(',')
+          sb.append('\n')
+        }
+        sb.append("    ]\n")
+      }
+      sb.append("    rules = ").append(quote(d.rules)).append('\n')
+      sb.append("  }\n")
+    }
+    sb.append("}\n")
+
+    val f = file
+    Option(f.getParentFile).foreach(_.mkdirs())
+    val writer = new PrintWriter(f, "UTF-8")
+    try writer.write(sb.toString) finally writer.close()
+  }
+
+  private def renderMap(m: DeciderMapConfig): String =
+    m.description.filter(_.nonEmpty) match {
+      case Some(desc) => s"[${quote(m.map)}, ${quote(desc)}]"
+      case None       => s"[${quote(m.map)}]"
+    }
+
+  private def quoteKey(key: String): String =
+    if (key.matches("[A-Za-z0-9_-]+") && !key.forall(_.isDigit)) key else quote(key)
+
+  /** Рендерит строку как строку в формате JSON/HOCON. */
+  private def quote(value: String): String = {
+    val sb = new StringBuilder("\"")
+    value.foreach {
+      case '"'  => sb.append("\\\"")
+      case '\\' => sb.append("\\\\")
+      case '\n' => sb.append("\\n")
+      case '\r' => sb.append("\\r")
+      case '\t' => sb.append("\\t")
+      // Литерал из обратного слэша и буквы u ломает компилятор Scala:
+      // такая последовательность обрабатывается как Unicode-escape ещё до лексера.
+      // Поэтому символы добавляем по отдельности, без escape-последовательности в исходнике.
+      case c if c < ' ' =>
+        sb.append(0x5c.toChar).append('u').append("%04x".format(c.toInt))
+      case c    => sb.append(c)
+    }
+    sb.append('"')
+    sb.toString
+  }
+}

app/repository/MapImageRepository.scala

@@ -0,0 +1,190 @@
+package repository
+
+import java.io.File
+import java.net.{JarURLConnection, URL}
+import java.nio.file.StandardCopyOption
+import scala.collection.JavaConverters._
+import scala.util.Try
+
+/** Изображение карты, доступное для выбора в админке. */
+case class MapImage(name: String, file: String, players: Int)
+
+/**
+ * Список картинок карт из app/assets/images/maps.
+ *
+ * Картинки читаются из исходников (при запуске через `sbt run`) либо из
+ * classpath (когда приложение собрано и assets упакованы в jar).
+ */
+object MapImageRepository {
+
+  private val ImageExtensions = Set("jpg", "jpeg", "png", "webp")
+
+  /** Служебные картинки, которые не являются картами. */
+  private val IgnoredFiles = Set("default.jpg")
+  private val IgnoredPattern = """^img(_\d+)?\.(jpg|jpeg|png|webp)$""".r
+
+  /** Каталоги с картинками: исходники и результат сборки assets. */
+  private val MapDirectories = Seq(
+    "app/assets/images/maps",
+    "target/web/public/main/images/maps",
+    "public/images/maps"
+  )
+
+  private val ClasspathDirectory = "public/images/maps"
+
+  /** Каталог, в который сохраняются загруженные картинки (исходники). */
+  private val SourceUploadDirectory = "app/assets/images/maps"
+
+  /** Каталоги, из которых Play раздаёт assets в dev-режиме. */
+  private val RuntimeUploadDirectory = "target/web/public/main/images/maps"
+
+  /** Максимальный размер загружаемого файла. */
+  private val MaxUploadBytes = 10L * 1024 * 1024
+
+  /** Все карты, отсортированные по количеству игроков и имени. */
+  def all: Seq[MapImage] =
+    loadFileNames()
+      .distinct
+      .map(toMapImage)
+      .sortBy(image => (groupOrder(image.players), image.name.toLowerCase))
+
+  /**
+   * Сохраняет загруженную картинку карты и возвращает её описание.
+   *
+   * Файл пишется и в исходники (app/assets), и в каталог, который раздаётся
+   * в dev-режиме (target/web/public/main), чтобы картинка сразу появилась
+   * в галерее без перезапуска приложения.
+   */
+  def saveUploaded(rawFileName: String, source: File): Either[String, MapImage] = {
+    if (!source.isFile) Left("Uploaded file not found")
+    else if (source.length() <= 0) Left("Uploaded file is empty")
+    else if (source.length() > MaxUploadBytes) Left("File is too large (max 10 MB)")
+    else sanitizeFileName(rawFileName) match {
+      case None => Left("Unsupported file (allowed types: jpg, jpeg, png, webp)")
+      case Some(safeName) =>
+        val directories = uploadDirectories()
+        if (directories.isEmpty) Left("Map images directory not found")
+        else {
+          val fileName = uniqueFileName(safeName, directories)
+          Try {
+            directories.foreach { dir =>
+              java.nio.file.Files.copy(
+                source.toPath,
+                new File(dir, fileName).toPath,
+                StandardCopyOption.REPLACE_EXISTING
+              )
+            }
+          }.toEither match {
+            case Right(_)    => Right(toMapImage(fileName))
+            case Left(error) => Left(s"Failed to save file: ${error.getMessage}")
+          }
+        }
+    }
+  }
+
+  /** Каталоги для записи: исходники создаются при необходимости, остальные — только существующие. */
+  private def uploadDirectories(): Seq[File] = {
+    val source = new File(SourceUploadDirectory)
+    if (!source.isDirectory) source.mkdirs()
+    (source +: Seq(new File(RuntimeUploadDirectory)))
+      .filter(_.isDirectory)
+  }
+
+  /** Проверяет расширение и убирает из имени всё, что может сломать путь. */
+  private def sanitizeFileName(rawFileName: String): Option[String] = {
+    val name = Option(rawFileName)
+      .map(_.trim)
+      .map(new File(_).getName)
+      .getOrElse("")
+    val safe = name.map { c =>
+      if (c.isLetterOrDigit || c == '_' || c == '-' || c == '.' || c == ' ' ||
+        c == '(' || c == ')' || c == '[' || c == ']') c
+      else '_'
+    }.mkString.trim
+    if (safe.nonEmpty && isMapImage(safe)) Some(safe) else None
+  }
+
+  /** Подбирает свободное имя, добавляя суффикс -1, -2, ... при совпадении. */
+  private def uniqueFileName(fileName: String, directories: Seq[File]): String = {
+    def taken(name: String): Boolean = directories.exists(dir => new File(dir, name).exists())
+
+    if (!taken(fileName)) fileName
+    else {
+      val dot = fileName.lastIndexOf('.')
+      val base = fileName.substring(0, dot)
+      val ext = fileName.substring(dot)
+      Iterator.from(1)
+        .map(i => s"$base-$i$ext")
+        .find(name => !taken(name))
+        .getOrElse(fileName)
+    }
+  }
+
+  private def loadFileNames(): Seq[String] = {
+    val fromDisk = MapDirectories
+      .map(new File(_))
+      .find(_.isDirectory)
+      .map(dir => Option(dir.listFiles()).toSeq.flatten.filter(_.isFile).map(_.getName))
+      .getOrElse(Seq.empty)
+
+    val fileNames = if (fromDisk.nonEmpty) fromDisk else loadFromClasspath()
+    fileNames.filter(isMapImage)
+  }
+
+  private def isMapImage(fileName: String): Boolean = {
+    val lower = fileName.toLowerCase
+    ImageExtensions.exists(ext => lower.endsWith("." + ext)) &&
+      !IgnoredFiles.contains(lower) &&
+      IgnoredPattern.findFirstIn(lower).isEmpty
+  }
+
+  private def loadFromClasspath(): Seq[String] = {
+    val loader = Option(getClass.getClassLoader).getOrElse(ClassLoader.getSystemClassLoader)
+    loader.getResources(ClasspathDirectory).asScala.toSeq.flatMap(readResource)
+  }
+
+  private def readResource(url: URL): Seq[String] = url.getProtocol match {
+    case "file" =>
+      Try(new File(url.toURI)).toOption
+        .filter(_.isDirectory)
+        .flatMap(dir => Option(dir.listFiles()))
+        .toSeq
+        .flatten
+        .filter(_.isFile)
+        .map(_.getName)
+
+    case "jar" =>
+      Try {
+        val connection = url.openConnection().asInstanceOf[JarURLConnection]
+        connection.setUseCaches(false)
+        val jar = connection.getJarFile
+        try {
+          jar.entries().asScala
+            .map(_.getName)
+            .filter(_.startsWith(ClasspathDirectory + "/"))
+            .map(_.stripPrefix(ClasspathDirectory + "/"))
+            .filterNot(_.contains("/"))
+            .toSeq
+        } finally jar.close()
+      }.getOrElse(Seq.empty)
+
+    case _ => Seq.empty
+  }
+
+  private def toMapImage(fileName: String): MapImage = {
+    val baseName = fileName.substring(0, fileName.lastIndexOf('.'))
+    MapImage(baseName, fileName, playersFrom(fileName))
+  }
+
+  private val PlayersPattern = """(?i)(?:^|\])\s*(\d+)p""".r
+
+  /** Количество игроков из префикса имени: 2p -> 2, 4p -> 4 и т.д. */
+  private def playersFrom(fileName: String): Int =
+    PlayersPattern.findFirstMatchIn(fileName).map(_.group(1).toInt).getOrElse(0)
+
+  /** Порядок групп: 1x1, 2x2, 3x3, 4x4, остальные. */
+  private def groupOrder(players: Int): Int = players match {
+    case 2 | 4 | 6 | 8 => players
+    case _             => 99
+  }
+}

app/views/admin.scala.html

@@ -1,6 +1,656 @@
-@()(implicit r: Request[_])
+@(deciders: Seq[repository.Decider])(implicit request: Request[_], messages: Messages)
 <!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="csrf-token" content="@{play.filters.csrf.CSRF.getToken.map(_.value).getOrElse("")}">
+    <title>Admin — Decider</title>
+    <link rel='stylesheet' href='@routes.Assets.at("lib/bootstrap/css/bootstrap.min.css")'>
+    <style>
+        body { padding-top: 70px; }
+        .decider-card { margin-bottom: 15px; border-left: 4px solid #337ab7; }
+        /* Строка карты занимает всю доступную ширину: выбор карты фиксированный, описание растягивается */
+        .map-row { margin-bottom: 5px; display: flex; align-items: center; }
+        .map-row .map-desc { flex: 1 1 auto; min-width: 0; width: auto; }
+        .map-row .map-preview, .map-row .btn-remove-map { flex: 0 0 auto; }
+        .modal-footer { text-align: right; }
+        .btn-remove-map { margin-left: 5px; }
+        .decider-key { font-family: monospace; color: #666; font-size: 0.9em; }
+        .nav-tabs > li > a { cursor: pointer; }
+        #deciderList { max-height: calc(100vh - 200px); overflow-y: auto; }
+        #deciderList .list-group-item { cursor: pointer; }
+        #deciderList .list-group-item.active { background-color: #337ab7; border-color: #337ab7; }
+        #deciderList .list-group-item:hover { background-color: #f5f5f5; }
+        #deciderList .list-group-item.active:hover { background-color: #286090; }
+        .error-msg { color: red; margin-top: 10px; }
+        .success-msg { color: green; margin-top: 10px; }
+        .map-preview { width: 64px; height: 40px; object-fit: cover; border-radius: 3px; margin-right: 6px; vertical-align: middle; }
+        /* Кнопка выбора карты вместо ручного ввода имени */
+        .btn-select-map { width: 170px; flex: 0 0 170px; text-align: left; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-right: 6px; }
+        .map-gallery { max-height: 60vh; overflow-y: auto; }
+        /* Поиск карт и загрузка картинки */
+        .map-picker-toolbar { display: flex; align-items: center; margin-bottom: 10px; }
+        .map-picker-toolbar .map-search { flex: 1 1 auto; margin-right: 8px; }
+        #mapUploadMessage { min-height: 18px; margin-bottom: 8px; }
+        .map-gallery .map-thumb { cursor: pointer; text-align: center; margin-bottom: 10px; padding: 4px; border: 1px solid transparent; border-radius: 4px; }
+        .map-gallery .map-thumb:hover { border-color: #337ab7; background-color: #f5f5f5; }
+        .map-gallery .map-thumb img { width: 100%; max-width: 160px; height: 100px; object-fit: cover; border-radius: 4px; }
+        .map-gallery .map-thumb-name { font-size: 11px; word-break: break-all; margin-top: 3px; }
+        #mapPickerTabs { margin-bottom: 15px; }
 
-<html>
+        /* Шапка: название слева, Steam ID и Refresh справа, всё по центру по вертикали */
+        .navbar .container { display: flex; align-items: center; justify-content: space-between; }
+        .navbar-header { float: none; }
+        .navbar-user { display: flex; align-items: center; margin-left: 15px; color: #ccc; }
+        .navbar-user .navbar-user-id { margin-right: 10px; white-space: nowrap; }
+        .navbar-user .btn { margin: 0; }
 
+        /* Кнопки в заголовках панелей по центру строки с заголовком */
+        .panel-heading .panel-title { display: flex; align-items: center; justify-content: space-between; }
+        .panel-heading .panel-title > .btn { flex: 0 0 auto; margin-left: 10px; }
+
+        @@media (max-width: 480px) {
+            .navbar-user .navbar-user-id { display: none; }
+        }
+    </style>
+</head>
+<body>
+<nav class="navbar navbar-inverse navbar-fixed-top">
+    <div class="container">
+        <div class="navbar-header">
+            <a class="navbar-brand" href="/decider/admin">Decider admin</a>
+        </div>
+        <div class="navbar-user">
+            <span class="navbar-user-id">Steam ID: @(request.session.get("steamId").getOrElse("unknown"))</span>
+            <a href="/decider/admin" class="btn btn-sm btn-default">Refresh</a>
+        </div>
+    </div>
+</nav>
+
+<div class="container">
+    <div class="row">
+        <!-- Left panel: list of deciders -->
+        <div class="col-md-4">
+            <div class="panel panel-default">
+                <div class="panel-heading">
+                    <h3 class="panel-title">
+                        Deciders (@deciders.size)
+                        <button class="btn btn-sm btn-success" onclick="openNewDecider()">+ New</button>
+                    </h3>
+                </div>
+                <div class="list-group" id="deciderList">
+                    @for(d <- deciders) {
+                        <a class="list-group-item" onclick="openDecider('@d.key')">
+                            <h4 class="list-group-item-heading">@d.name</h4>
+                            <p class="list-group-item-text decider-key">@d.key &bull; maps: @d.maps.size</p>
+                        </a>
+                    }
+                    @if(deciders.isEmpty) {
+                        <div class="list-group-item text-muted">No deciders</div>
+                    }
+                </div>
+            </div>
+        </div>
+
+        <!-- Right panel: edit form -->
+        <div class="col-md-8">
+            <div class="panel panel-default" id="editPanel" style="display: none;">
+                <div class="panel-heading">
+                    <h3 class="panel-title">
+                        <span id="editTitle">Edit</span>
+                        <button class="btn btn-sm btn-danger" id="btnDelete" onclick="deleteCurrentDecider()">Delete</button>
+                    </h3>
+                </div>
+                <div class="panel-body">
+                    <form id="deciderForm">
+                        <input type="hidden" id="deciderKey">
+
+                        <div class="form-group">
+                            <label for="formKey">Key</label>
+                            <input type="text" class="form-control" id="formKey" placeholder="e.g. dawn_of_war">
+                            <p class="help-block">Unique decider identifier (letters, digits, hyphen, underscore)</p>
+                        </div>
+
+                        <div class="form-group">
+                            <label for="formName">Name</label>
+                            <input type="text" class="form-control" id="formName" required>
+                        </div>
+
+                        <div class="form-group">
+                            <label for="formRaceCount">Race Count</label>
+                            <input type="number" class="form-control" id="formRaceCount" min="0">
+                        </div>
+
+                        <div class="form-group">
+                            <label for="formRules">Rules</label>
+                            <textarea class="form-control" id="formRules" rows="5"></textarea>
+                        </div>
+
+                        <div class="form-group">
+                            <div class="checkbox">
+                                <label>
+                                    <input type="checkbox" id="formExistAdditionalRaces"> Additional Races (Race count per team doubled)
+                                </label>
+                            </div>
+                            <div class="checkbox">
+                                <label>
+                                    <input type="checkbox" id="formExistTextFieldRaces"> Exist Text Field Races (for Unification like mods)
+                                </label>
+                            </div>
+                            <div class="checkbox">
+                                <label>
+                                    <input type="checkbox" id="formDescription">Map description
+                                </label>
+                            </div>
+                        </div>
+
+                        <h4>Maps</h4>
+                        <div id="mapsContainer"></div>
+                        <button type="button" class="btn btn-sm btn-primary" onclick="openMapPicker()">+ Add map</button>
+
+                        <hr>
+                        <div class="form-group text-right">
+                            <button type="button" class="btn btn-default" onclick="closeEditPanel()">Cancel</button>
+                            <button type="button" class="btn btn-primary" onclick="saveDecider()">Save</button>
+                        </div>
+                        <div id="saveMessage"></div>
+                    </form>
+                </div>
+            </div>
+
+            <div id="emptyState" class="text-muted text-center" style="padding: 50px;">
+                <h3>Select a decider to edit</h3>
+                <p>or create a new one</p>
+            </div>
+        </div>
+    </div>
+</div>
+
+<!-- Delete confirmation modal -->
+<div class="modal fade" id="deleteModal" tabindex="-1">
+    <div class="modal-dialog">
+        <div class="modal-content">
+            <div class="modal-header">
+                <button type="button" class="close" data-dismiss="modal">&times;</button>
+                <h4 class="modal-title">Confirm deletion</h4>
+            </div>
+            <div class="modal-body">
+                <p>Are you sure you want to delete decider <strong id="deleteDeciderName"></strong>?</p>
+                <p class="text-danger">This action cannot be undone!</p>
+            </div>
+            <div class="modal-footer">
+                <button type="button" class="btn btn-default" data-dismiss="modal">Cancel</button>
+                <button type="button" class="btn btn-danger" onclick="confirmDelete()">Delete</button>
+            </div>
+        </div>
+    </div>
+</div>
+
+<!-- Map image picker modal -->
+<div class="modal fade" id="mapPickerModal" tabindex="-1">
+    <div class="modal-dialog modal-lg">
+        <div class="modal-content">
+            <div class="modal-header">
+                <button type="button" class="close" data-dismiss="modal">&times;</button>
+                <h4 class="modal-title">Choose a map</h4>
+            </div>
+            <div class="modal-body">
+                <div class="map-picker-toolbar">
+                    <input type="search" id="mapSearch" class="form-control map-search" placeholder="Search maps..." autocomplete="off">
+                    <button type="button" class="btn btn-sm btn-primary" id="btnUploadMap">Upload image</button>
+                    <input type="file" id="mapUploadInput" accept="image/jpeg,image/png,image/webp" style="display: none;">
+                </div>
+                <div id="mapUploadMessage"></div>
+                <ul class="nav nav-pills" id="mapPickerTabs"></ul>
+                <div class="row map-gallery" id="mapGallery"></div>
+                <div id="mapPickerEmpty" class="text-muted" style="display: none;">No map images found</div>
+            </div>
+            <div class="modal-footer">
+                <button type="button" class="btn btn-default" data-dismiss="modal">Cancel</button>
+            </div>
+        </div>
+    </div>
+</div>
+
+<script src='@routes.Assets.at("lib/jquery/jquery.min.js")'></script>
+<script src='@routes.Assets.at("lib/bootstrap/js/bootstrap.min.js")'></script>
+<script src='@routes.Assets.at("lib/underscore/underscore.js")'></script>
+<script>
+    var currentDeciderKey = null;
+
+    // CSRF: все AJAX-запросы отправляем с токеном из meta-тега,
+    // иначе Play отклоняет POST/DELETE с JSON-телом.
+    (function() {
+        var token = $('meta[name="csrf-token"]').attr('content');
+        if (token) {
+            $.ajaxSetup({ headers: { 'Csrf-Token': token } });
+        }
+    })();
+
+    // Open decider for editing
+    function openDecider(key) {
+        currentDeciderKey = key;
+        $.ajax({
+            url: '/decider/admin/deciders/' + encodeURIComponent(key),
+            method: 'GET',
+            success: function(decider) {
+                showEditPanel(decider);
+            },
+            error: function() {
+                alert('Failed to load decider');
+            }
+        });
+    }
+
+    // Open new decider form
+    function openNewDecider() {
+        currentDeciderKey = null;
+        showEditPanel({
+            key: '',
+            name: '',
+            rules: '',
+            raceCount: 1,
+            existAdditionalRaces: false,
+            existTextFieldRaces: false,
+            description: false,
+            maps: []
+        });
+    }
+
+    // Show edit panel with decider data
+    function showEditPanel(decider) {
+        $('#emptyState').hide();
+        $('#editPanel').show();
+        $('#editTitle').text(decider.key ? 'Edit: ' + decider.name : 'New decider');
+
+        $('#deciderKey').val(decider.key);
+        $('#formKey').val(decider.key).prop('readonly', !!decider.key);
+        $('#btnDelete').toggle(!!decider.key);
+        $('#formName').val(decider.name);
+        $('#formRules').val(decider.rules);
+        $('#formRaceCount').val(decider.raceCount);
+        $('#formExistAdditionalRaces').prop('checked', decider.existAdditionalRaces);
+        $('#formExistTextFieldRaces').prop('checked', decider.existTextFieldRaces);
+        $('#formDescription').prop('checked', decider.description);
+
+        // Render maps
+        var container = $('#mapsContainer');
+        container.empty();
+        if (decider.maps && decider.maps.length > 0) {
+            decider.maps.forEach(function(map, i) {
+                addMapRow(map.map, map.description);
+            });
+        } else {
+            addMapRow();
+        }
+
+        // Превью карт: подгружаем список картинок, чтобы найти файлы любого формата.
+        ensureMapImages();
+
+        // Highlight selected in list
+        $('.list-group-item').removeClass('active');
+        $('.list-group-item').filter(function() {
+            return $(this).find('.decider-key').text().includes(decider.key);
+        }).addClass('active');
+    }
+
+    // Close edit panel
+    function closeEditPanel() {
+        $('#editPanel').hide();
+        $('#emptyState').show();
+        currentDeciderKey = null;
+    }
+
+    // ---------- Map image picker ----------
+
+    var mapImages = null;
+    var pickerTargetRow = null;
+    var activeMapGroup = 2;
+    var mapSearchQuery = '';
+
+    // Группы карт: 1x1, 2x2, 3x3, 4x4 и остальные.
+    var mapGroups = [
+        { players: 2, title: '1x1 (2p)' },
+        { players: 4, title: '2x2 (4p)' },
+        { players: 6, title: '3x3 (6p)' },
+        { players: 8, title: '4x4 (8p)' },
+        { players: 0, title: 'Other' }
+    ];
+
+    function openMapPicker(targetRow) {
+        pickerTargetRow = targetRow || null;
+        mapSearchQuery = '';
+        $('#mapSearch').val('');
+        $('#mapUploadMessage').text('');
+        if (mapImages) {
+            showMapPicker();
+            return;
+        }
+        $.ajax({
+            url: '/decider/admin/maps',
+            method: 'GET',
+            success: function(data) {
+                mapImages = data;
+                showMapPicker();
+            },
+            error: function() {
+                alert('Failed to load map images');
+            }
+        });
+    }
+
+    function showMapPicker() {
+        // Если в текущей группе нет карт, открываем первую непустую.
+        if (mapsInGroup(activeMapGroup).length === 0) {
+            var firstNonEmpty = _.find(mapGroups, function(g) {
+                return mapsInGroup(g.players).length > 0;
+            });
+            activeMapGroup = firstNonEmpty ? firstNonEmpty.players : 2;
+        }
+        renderMapTabs();
+        renderMapGallery();
+        $('#mapPickerModal').modal('show');
+    }
+
+    function mapsInGroup(players) {
+        return (mapImages || []).filter(function(m) {
+            return players === 0
+                ? [2, 4, 6, 8].indexOf(m.players) === -1
+                : m.players === players;
+        });
+    }
+
+    // Карты для галереи: при активном поиске ищем по всем группам сразу.
+    function visibleMaps() {
+        if (!mapSearchQuery) {
+            return mapsInGroup(activeMapGroup);
+        }
+        return (mapImages || []).filter(function(m) {
+            return (m.name || '').toLowerCase().indexOf(mapSearchQuery) !== -1 ||
+                (m.file || '').toLowerCase().indexOf(mapSearchQuery) !== -1;
+        });
+    }
+
+    function renderMapTabs() {
+        var tabs = $('#mapPickerTabs').empty();
+        // Во время поиска вкладки групп не нужны: показываются все совпадения.
+        if (mapSearchQuery) {
+            tabs.hide();
+            return;
+        }
+        tabs.show();
+        mapGroups.forEach(function(group) {
+            var count = mapsInGroup(group.players).length;
+            if (group.players === 0 && count === 0) return;
+            var link = $('<a href="#">')
+                .text(group.title + ' (' + count + ')')
+                .on('click', function(e) {
+                    e.preventDefault();
+                    activeMapGroup = group.players;
+                    renderMapTabs();
+                    renderMapGallery();
+                });
+            tabs.append($('<li>').toggleClass('active', group.players === activeMapGroup).append(link));
+        });
+    }
+
+    function renderMapGallery() {
+        var gallery = $('#mapGallery').empty();
+        var maps = visibleMaps();
+        maps.forEach(function(map) {
+            var thumb = $('<div class="map-thumb">')
+                .append($('<img>').attr('src', mapImageUrl(map.file)).attr('alt', map.name).attr('title', map.name))
+                .append($('<div class="map-thumb-name">').text(map.name))
+                .on('click', function() {
+                    chooseMap(map.name);
+                });
+            gallery.append($('<div class="col-xs-6 col-sm-4 col-md-3">').append(thumb));
+        });
+        $('#mapPickerEmpty')
+            .text(mapSearchQuery ? 'No maps match your search' : 'No map images found')
+            .toggle(maps.length === 0);
+    }
+
+    // Перечитывает список картинок с сервера и перерисовывает галерею.
+    function reloadMapImages(preferredGroup) {
+        $.ajax({
+            url: '/decider/admin/maps',
+            method: 'GET',
+            success: function(data) {
+                mapImages = data;
+                if (preferredGroup !== undefined) {
+                    activeMapGroup = preferredGroup;
+                }
+                renderMapTabs();
+                renderMapGallery();
+            },
+            error: function() {
+                alert('Failed to load map images');
+            }
+        });
+    }
+
+    // ---------- Поиск и загрузка картинок карт ----------
+
+    $('#mapSearch').on('input', function() {
+        mapSearchQuery = $(this).val().trim().toLowerCase();
+        renderMapTabs();
+        renderMapGallery();
+    });
+
+    $('#btnUploadMap').on('click', function() {
+        $('#mapUploadInput').click();
+    });
+
+    $('#mapUploadInput').on('change', function() {
+        var input = this;
+        var file = input.files && input.files[0];
+        if (!file) return;
+
+        var formData = new FormData();
+        formData.append('file', file);
+
+        var msgEl = $('#mapUploadMessage');
+        msgEl.removeClass('text-danger').addClass('text-muted').text('Uploading...');
+
+        $.ajax({
+            url: '/decider/admin/maps',
+            method: 'POST',
+            data: formData,
+            processData: false,
+            contentType: false,
+            success: function(image) {
+                msgEl.removeClass('text-danger').text('');
+                input.value = '';
+                mapSearchQuery = '';
+                $('#mapSearch').val('');
+                reloadMapImages(image ? image.players : undefined);
+            },
+            error: function(xhr) {
+                var error = 'Upload failed';
+                if (xhr.responseJSON && xhr.responseJSON.error) {
+                    error = xhr.responseJSON.error;
+                }
+                msgEl.removeClass('text-muted').addClass('text-danger').text(error);
+                input.value = '';
+            }
+        });
+    });
+
+    function chooseMap(mapName) {
+        if (pickerTargetRow && $.contains(document, pickerTargetRow[0])) {
+            pickerTargetRow.find('.map-name').val(mapName);
+            updateMapRow(pickerTargetRow);
+        } else {
+            addMapRow(mapName, '');
+        }
+        pickerTargetRow = null;
+        $('#mapPickerModal').modal('hide');
+    }
+
+    function mapImageUrl(file) {
+        return '/assets/images/maps/' + encodeURIComponent(file);
+    }
+
+    // ---------- Map rows ----------
+
+    // Add map row
+    function addMapRow(mapName, description) {
+        var row = $('<div class="map-row form-inline">');
+
+        var preview = $('<img class="map-preview" alt="">');
+        // Имя карты задаётся только через выбор из галереи, ручной ввод запрещён.
+        var nameInput = $('<input type="hidden" class="map-name">')
+            .val(mapName || '');
+        var descInput = $('<input type="text" class="form-control map-desc" placeholder="Description">')
+            .val(description || '');
+        var selectBtn = $('<button type="button" class="btn btn-sm btn-default btn-select-map">Select map</button>')
+            .on('click', function() {
+                openMapPicker(row);
+            });
+        var removeBtn = $('<button type="button" class="btn btn-sm btn-danger btn-remove-map" title="Remove map">&#10005;</button>')
+            .on('click', function() {
+                row.remove();
+            });
+
+        row.append(preview, nameInput, selectBtn, descInput, removeBtn);
+        $('#mapsContainer').append(row);
+        updateMapRow(row);
+    }
+
+    // Обновляет превью и подпись кнопки выбора карты
+    function updateMapRow(row) {
+        var mapName = row.find('.map-name').val().trim();
+        var selectBtn = row.find('.btn-select-map');
+        selectBtn.text(mapName || 'Select map').attr('title', mapName || 'Select map');
+
+        var img = row.find('.map-preview').off('error').off('load');
+        if (!mapName) {
+            img.hide().removeAttr('src');
+            return;
+        }
+        img.attr('src', mapImageUrl(mapImageFileFor(mapName))).show().on('error', function() {
+            $(this).hide();
+        });
+    }
+
+    // Имя файла картинки для превью: если список карт загружен, берём реальный
+    // файл (он может быть png/webp), иначе считаем, что это jpg.
+    function mapImageFileFor(mapName) {
+        var found = _.find(mapImages || [], function(m) {
+            return m.name === mapName;
+        });
+        if (found) return found.file;
+        return /\.(jpg|jpeg|png|webp)$/i.test(mapName) ? mapName : mapName + '.jpg';
+    }
+
+    // Догружает список картинок, чтобы превью находили файлы любого формата.
+    function ensureMapImages() {
+        if (mapImages) return;
+        $.ajax({
+            url: '/decider/admin/maps',
+            method: 'GET',
+            success: function(data) {
+                mapImages = data;
+                $('#mapsContainer .map-row').each(function() {
+                    updateMapRow($(this));
+                });
+            }
+        });
+    }
+
+    // Remove map row
+    function removeMapRow(btn) {
+        $(btn).closest('.map-row').remove();
+    }
+
+    // Collect form data and save
+    function saveDecider() {
+        var key = $('#formKey').val().trim();
+        if (!key) {
+            alert('Key is required');
+            return;
+        }
+        if (!/^[a-zA-Z0-9_-]+$/.test(key)) {
+            alert('Key may contain only letters, digits, hyphen and underscore');
+            return;
+        }
+
+        var maps = [];
+        $('#mapsContainer .map-row').each(function() {
+            var mapName = $(this).find('.map-name').val().trim();
+            var desc = $(this).find('.map-desc').val().trim();
+            if (mapName) {
+                maps.push({ map: mapName, description: desc || null });
+            }
+        });
+
+        var data = {
+            key: key,
+            name: $('#formName').val().trim(),
+            rules: $('#formRules').val(),
+            raceCount: parseInt($('#formRaceCount').val()) || 1,
+            existAdditionalRaces: $('#formExistAdditionalRaces').is(':checked'),
+            existTextFieldRaces: $('#formExistTextFieldRaces').is(':checked'),
+            description: $('#formDescription').is(':checked'),
+            maps: maps
+        };
+
+        var msgEl = $('#saveMessage');
+        msgEl.html('<span class="text-muted">Saving...</span>');
+
+        var url = '/decider/admin/deciders';
+        var method = 'POST';
+
+        $.ajax({
+            url: url,
+            method: method,
+            contentType: 'application/json',
+            data: JSON.stringify(data),
+            success: function() {
+                msgEl.html('<span class="success-msg">Saved!</span>');
+                setTimeout(function() {
+                    location.reload();
+                }, 1000);
+            },
+            error: function(xhr) {
+                var error = '';
+                try { error = JSON.parse(xhr.responseText).error; } catch(e) {}
+                msgEl.html('<span class="error-msg">Error: ' + error + '</span>');
+            }
+        });
+    }
+
+    // Delete current decider
+    function deleteCurrentDecider() {
+        if (!currentDeciderKey) return;
+        var deciderName = $('#formName').val();
+        $('#deleteDeciderName').text(deciderName + ' (' + currentDeciderKey + ')');
+        $('#deleteModal').modal('show');
+    }
+
+    function confirmDelete() {
+        var key = currentDeciderKey;
+        $.ajax({
+            url: '/decider/admin/deciders/' + encodeURIComponent(key),
+            method: 'DELETE',
+            success: function() {
+                location.reload();
+            },
+            error: function() {
+                alert('Failed to delete decider');
+            }
+        });
+    }
+
+    // Initialize: if there's only one decider, open it automatically
+    $(document).ready(function() {
+        // Nothing to do on load - user selects from list
+        $('#mapPickerModal').on('hidden.bs.modal', function() {
+            pickerTargetRow = null;
+        });
+    });
+</script>
+</body>
 </html>

app/views/index.scala.html

@@ -61,7 +61,7 @@
                 </div>
                 <div style="clear: both"></div>
                 <div><i><b>Правила турнира "@deciderHumanName"</b><br/>
-                    <p>@rules</p>
+                    <p style="white-space: pre-wrap">@rules</p>
                     <br>
                 </i>
                 </div>

build.sbt

@@ -4,7 +4,7 @@ version := "1.0-SNAPSHOT"
 
 lazy val root = (project in file(".")).enablePlugins(PlayScala)
 
-scalaVersion := "2.12.8"
+scalaVersion := "2.12.20"
 
 cancelable in Global := true
 
@@ -23,8 +23,9 @@ libraryDependencies += "org.webjars" % "backbonejs" % "1.3.3"
 libraryDependencies += guice
 libraryDependencies += "com.typesafe.scala-logging" %% "scala-logging" % "3.9.2"
 
-libraryDependencies += "com.typesafe.play" %% "play" % "2.8.2"
+// Версии play/play-json берутся из sbt-plugin (2.8.21).
-libraryDependencies += "com.typesafe.play" %% "play-json" % "2.9.1"
+// Раньше здесь были явные версии 2.8.2/2.9.1, из-за чего подтягивался Guice 4.2.3
+// с cglib, который не работает на Java 17+ (InaccessibleObjectException).
 
 lazy val akkaVersion = "2.4.18"
 libraryDependencies += "com.typesafe.akka" %% "akka-testkit" % akkaVersion % Test

conf/application.conf

@@ -7,6 +7,13 @@ play.filters.hosts {
 play.http.secret.key="QCY?tAnfk?aZ?iwrNwnxIlR6CTf:123123Latabg@5241AB`R5W:1uDFN];Ik@n"
 play.server.http.port = 1337
 
+admin {
+  steamApiKey = ""
+  steamRedirectUrl = "http://localhost:1337/decider/admin/steam/callback"
+  allowedSteamIds = []
+  decidersFile = "conf/deciders.conf"
+}
+
 deciders{
     classic{
         maps = [["2p_battle_marshes"],
@@ -42,19 +49,19 @@ deciders{
     }
     montanaz0r{
         maps = [["2p_battle_marshes"],
+                ["2p_blood_river"],
                 ["2p_fallen_city"],
-                ["2p_fata_morgana"],
-                ["2p_quests_triumph"],
-                ["2p_meeting_of_minds"],
-                ["2p_shrine_of_excellion"],
-                ["2p_titan_fall"],
                 ["2p_tranquilitys_end"],
-                ["2p_emerald_river"],
+                ["2p_shrine_of_excellion"],
+                ["2p_quests_triumph"],
                 ["2p_outer_reaches"],
-                ["2p_blood_river"]]
+                ["2p_fata_morgana"],
-        name = "VOX of War tournament"
+                ["2p_titan_fall"],
-        raceCount = 1
+                ["2p_meeting_of_minds"],
-        rules = """There are 11 maps in total, and each player will ban 3 maps. This means that at the end of the draft, 5 maps will remain."""
+                ["2p_deadly_fun_archeology"]]
+        name = "-"
+        raceCount = 2
+        rules = """There are 11 maps in total. The veto process varies depending on the round: cross-pick continues until 1 map remains for Bo1, 3 maps remain for Bo3, or 5 maps remain for Bo5."""
     }
     mistrzostwa{
         maps = [["2p_battle_marshes"],

conf/routes

@@ -2,11 +2,24 @@
 # This file defines all application routes (Higher priority routes first)
 # ~~~~
 
-GET        /decider/:name        controllers.HomeController.index(name)
+GET        /ws                           controllers.HomeController.ws
 
-GET        /ws                    controllers.HomeController.ws
+# Admin panel
+# ВАЖНО: админские маршруты должны идти ДО /decider/:name,
+# иначе /decider/admin перехватывается как десайдер с именем "admin".
+GET        /decider/admin                controllers.AdminController.index()
+GET        /decider/admin/login          controllers.AdminController.login()
+GET        /decider/admin/steam/callback controllers.AdminController.steamCallback()
 
-GET        /admin/users           controllers.AdminController.viewAllUsers()
+# Admin API
+GET        /decider/admin/maps           controllers.AdminController.mapImages()
+POST       /decider/admin/maps           controllers.AdminController.mapImageUpload()
+GET        /decider/admin/deciders       controllers.AdminController.decidersList()
+GET        /decider/admin/deciders/:key  controllers.AdminController.deciderGet(key)
+POST        /decider/admin/deciders      controllers.AdminController.deciderSave()
+DELETE       /decider/admin/deciders/:key controllers.AdminController.deciderDelete(key)
+
+GET        /decider/:name                controllers.HomeController.index(name)
 
 # Map static resources from the /public folder to the /assets URL path
-GET        /assets/*file          controllers.Assets.at(path="/public", file)
+GET        /assets/*file                 controllers.Assets.at(path="/public", file)

project/build.properties

@@ -1 +1 @@
-sbt.version=1.2.8
+sbt.version=1.9.8

project/plugins.sbt

@@ -1,4 +1,8 @@
 // Use the Play sbt plugin for Play projects
-addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.7.0")
+addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.8.21")
 
 addSbtPlugin("com.typesafe.sbt" % "sbt-less" % "1.1.2")
+
+// Ignore scala-xml binary incompatibility between 1.x (sbt-native-packager, twirl)
+// and 2.x (scala-compiler) – they are compatible enough for the build to work
+libraryDependencySchemes += "org.scala-lang.modules" %% "scala-xml" % "always"