// DTOs of the public read API, shared by backend and web.

export type Unit = 'hours' | 'count' | 'km' | 'blocks';
export type Period = 'all' | '30d' | '7d';
export type ItemCategory = 'mined' | 'crafted' | 'used' | 'picked_up';
export const ITEM_CATEGORIES: ItemCategory[] = ['mined', 'crafted', 'used', 'picked_up'];

export interface OverviewDto {
  online: number;
  totalPlayers: number;
  totalPlayHours: number;
  totalDeaths: number;
  totalMobKills: number;
  questsCompleted: number;
  advancements: number;
  lastUpdate: number | null;
}

export interface OnlinePlayerDto {
  uuid: string;
  name: string | null;
  since: number;
  dimension: string | null;
}
export interface OnlineDto {
  players: OnlinePlayerDto[];
}

export interface BoardMetaDto {
  id: string;
  title: string;
  description: string;
  unit: Unit;
}
export interface LeaderboardEntryDto {
  rank: number;
  uuid: string;
  name: string | null;
  value: number;
}
export interface LeaderboardsDto {
  boards: (BoardMetaDto & { top: LeaderboardEntryDto[] })[];
}
export interface LeaderboardDto {
  board: BoardMetaDto;
  period: Period;
  entries: LeaderboardEntryDto[];
}

export interface PlayerListItemDto {
  uuid: string;
  name: string | null;
  lastSeen: number | null;
  playHours: number;
  online: boolean;
}
export interface PlayerListDto {
  players: PlayerListItemDto[];
  total: number;
}

export interface PlayerQuestsDto {
  teamId: string;
  teamName: string | null;
  completed: number;
  total: number | null;
  chapters: { chapterId: string; title: string | null; completed: number; total: number }[];
  /** last completed quests that have a title in the quest config (newest first, max. 10) */
  recent: { questId: string; title: string; chapterTitle: string | null; at: number }[];
}

export interface PlayerProfileDto {
  uuid: string;
  name: string | null;
  firstSeen: number;
  lastSeen: number | null;
  online: boolean;
  playHours: number;
  sessions: number;
  ranks: Record<string, { rank: number; value: number }>;
  /** minecraft:custom counters except distances (raw values; play_time in ticks) */
  general: Record<string, number>;
  /** distances in cm by key (minecraft:walk_one_cm …) */
  movement: Record<string, number>;
  deathsByCause: { cause: string; count: number }[];
  killedBy: { entity: string; count: number }[];
  killsByType: { entity: string; count: number }[];
  bossKills: { entity: string; at: number }[];
  dimensions: { dimension: string; firstAt: number }[];
  advancements: { id: string; title: string | null; at: number }[];
  quests: PlayerQuestsDto;
  /** minutes online per [weekday 0=Mon..6=Sun][hour 0..23], last 90 days, server time zone */
  activityHeatmap: number[][];
}

export interface HistoryDto {
  metric: string;
  unit: Unit;
  points: { t: number; v: number }[];
}

export interface ItemsDto {
  category: ItemCategory;
  mods: { namespace: string; total: number; items: { key: string; value: number }[] }[];
}

export interface ServerInfoDto {
  startedAt: number;
  mcVersion: string;
  neoforgeVersion: string;
  javaVersion: string;
  modCount: number;
}

export interface ModsDto {
  server: ServerInfoDto | null;
  mods: { id: string; name: string; version: string; activity: number; category: string | null }[];
  /** activity per category (tech/magic/farming/other) across all visible players */
  categories: { category: string; activity: number }[];
}

export interface QuestsDto {
  defsKnown: boolean;
  chapters: { chapterId: string; title: string | null; total: number; maxCompleted: number; teamsFinished: number }[];
  teams: { teamId: string; name: string | null; members: { uuid: string; name: string | null }[]; completed: number }[];
}

export interface HealthPointDto {
  t: number;
  msptAvg: number;
  msptP95: number;
  tps: number;
  players: number;
  heapUsedMb: number;
  heapMaxMb: number;
}
export interface ServerDto {
  info: ServerInfoDto | null;
  health: HealthPointDto[];
}

export interface SourcesDto {
  push: { lastEventAt: number | null; lastServerStart: number | null; reachable: boolean };
  sftp: { enabled: boolean; lastSyncAt: number | null; lastError: string | null };
  limitations: string[];
}

export type LiveKind = 'online' | 'death' | 'advancement' | 'quest' | 'counters';
export interface LiveEvent {
  id: number;
  kind: LiveKind;
  data: Record<string, unknown>;
}