// ─── Branded primitive types ─────────────────────────────────────────────────
export type UserKey     = string;
export type DiscordId   = string;
export type CharName    = string;
export type SlotHour    = number;
export type VoteType    = "yes" | "no";
export type ConfirmType = "yes" | "no";


// ─── Nation ───────────────────────────────────────────────────────────────────
export enum Nation {
  Capella = "Capella",
  Procyon = "Procyon",
}

// ─── Class ────────────────────────────────────────────────────────────────────
export type ClassKey =
  | "BL"   // Blader
  | "FB"   // Force Blader
  | "FS"   // Force Shielder
  | "FA"   // Force Archer
  | "FG"   // Force Gunner
  | "GL"   // Gladiator
  | "DM"   // Dark Mage
  | "WI"   // Wizard
  | "WA";  // Warrior

export interface CharacterClass {
  key:         ClassKey;
  name:        string;      // "Force Blader"
  shortName:   string;      // "FB"
}

export const CLASSES: Record<ClassKey, CharacterClass> = {
  FB: { key: "FB", name: "Force Blader",   shortName: "FB" },
  WI: { key: "WI", name: "Wizard",         shortName: "WI" },
  BL: { key: "BL", name: "Blader",         shortName: "BL" },
  FS: { key: "FS", name: "Force Shielder", shortName: "FS" },
  FA: { key: "FA", name: "Force Archer",   shortName: "FA" },
  FG: { key: "FG", name: "Force Gunner",   shortName: "FG" },
  GL: { key: "GL", name: "Gladiator",      shortName: "GL" },
  DM: { key: "DM", name: "Dark Mage",      shortName: "DM" },
  WA: { key: "WA", name: "Warrior",        shortName: "WA" },
};

export const CLASS_NAMES: Record<ClassKey, string> = {
  BL: "Blader",
  FB: "Force Blader",
  FS: "Force Shielder",
  FA: "Force Archer",
  FG: "Force Gunner",
  GL: "Gladiator",
  DM: "Dark Mage",
  WI: "Wizard",
  WA: "Warrior",
};

// ─── Character ───────────────────────────────────────────────────────────────

export interface CharacterStats {
  str?: number;
  int?: number;
  dex?: number;
  honorRank?: number;
  honorPoints?: number;
  custom?: Record<string, number>;
}

export interface Character {
  name: string;
  class: CharacterClass;
  level: number;
  nation: Nation;
  active?: boolean;
  ownerKey: UserKey;
  stats?: CharacterStats;
  sharedWith?: string[]; // usermap keys with permanent access
}

export interface BorrowRequest {
  requesterKey: string;  // who wants to borrow
  ownerKey: string;      // who owns the character
  charName: string;      // which character
  requestedAt: number;   // timestamp for expiry
}

// ─── Account ─────────────────────────────────────────────────────────────────

export interface AccountData {
  collection?: Record<string, number>;
  animaMastery?: Record<string, number>;
  custom?: Record<string, number>;
}

export interface AccountMap {
  [userKey: string]: AccountData;
}

// interface UserIdentity {
//   discordId:       DiscordId;    // never changes — primary key
//   discordUsername: string;       // current username — may change
//   userKey:         UserKey | null; // system key
//   lookupId:        string;       // discordId if ID-mapped, discordUsername if legacy
//   displayName:     string;
//   serverNickname:  string | null;
//   globalNickname:  string | null;
//   aliases:         string[];
//   activeCharacter: Character | null;
// }

// ─── Usermap ─────────────────────────────────────────────────────────────────

export interface UsermapEntry {
  file: string;
  aliases: string[];
}

export interface Usermap {
  [discordUsername: string]: UsermapEntry | string; // string = legacy format
}

// ─── TG Slots ────────────────────────────────────────────────────────────────

export interface TGSlot {
  tgHour: number;       // 20
  pollOpens: string;    // "10:00"
  closesAfter: number;  // minutes after tgHour (default 35)
  active: boolean;
}

// ─── Poll ────────────────────────────────────────────────────────────────────

// export interface VoteEntry {
//   userKey: string;
//   displayName: string;           // server nickname → global nickname → username
//   characterName?: string;        // active character name at time of vote
//   characterClass?: ClassKey;     // snapshotted
//   characterLevel?: number;       // snapshotted
//   characterNation?: Nation;      // snapshotted at vote time
//   votedAt: string;               // HH:MM formatted
//   previousYesAt?: string;
//   previousNoAt?: string;
//   publicMessage?: string;        // resolved from message system or officer override
//   publicMessageOverride?: string;// set by officer via /tg poll set-message
//   ephemeralOverride?: string;    // set by officer via /tg poll set-ephemeral
//   borrowedFrom?: string          // Borrowed character from who
//   discordId?: string;            // real Discord ID of the voter (for notifications)
// }

export interface VoteEntry {
  userKey?:         UserKey;
  displayName?:     string;
  characterName?:   CharName;
  characterClass?:  ClassKey;
  characterLevel?:  number;
  characterNation?: Nation;
  borrowedFrom?:    UserKey;
  discordId?:       DiscordId;
  votedAt?:         string;
  publicMessage?:   string;
  previousYesAt?:   string;
  previousNoAt?:    string;
}

export interface PollState {
  slot:          SlotHour;
  messageId?:    string | null;
  locked:        boolean;
  confirmed?:    "yes" | "no" | null;
  yes:           Map<string, VoteEntry>;
  no:            Map<string, VoteEntry>;
  lockedYesKeys?: Set<UserKey>;
  lockMessage?: string;
  confirmMessage?: string;
  called?:   boolean;
  calledAt?: string;
}

// ─── Scores ──────────────────────────────────────────────────────────────────

export interface TGScore {
  userKey:            UserKey;
  playedBy?:          UserKey;       // if borrowed
  characterName:      string;
  class:              string;
  nation:             Nation;
  pts:                number;
  k?:                 number;
  d?:                 number;
  stats?:             TGStats;
  submittedAt:        string;
  slot:               SlotHour;
  date:               string;
  submittedByOfficer: boolean;
  wRankAtSubmission?: {
    rank:  number;
    delta: number;
  };
}

export interface TGStats {
  atk?:  number;
  def?:  number;
  heal?: number;
}

// ─── TG Result ───────────────────────────────────────────────────────────────

export interface NationKD {
  k: number;
  d: number;
}

export interface TGResult {
  slot: number;
  date: string;               // YYYY-MM-DD
  closedAt?: string;          // ISO timestamp
  confirmed: boolean;
  nationKD: {
    source: Nation;           // which nation is source of truth
    capella: NationKD;
    procyon: NationKD;
  };
  scores: TGScore[];
}

// ─── W.Rank ──────────────────────────────────────────────────────────────────

// export interface WRankEntry {
//   character:    Character;
//   weeklyPoints: number;
//   tgCount:      number;
//   currentRank:  number;
//   previousRank?: number;
// }
 

// interface UserIdentity {
//   discordId:       DiscordId;    // never changes — primary key
//   discordUsername: string;       // current username — may change
//   userKey:         UserKey | null; // system key
//   lookupId:        string;       // discordId if ID-mapped, discordUsername if legacy
//   displayName:     string;
//   serverNickname:  string | null;
//   globalNickname:  string | null;
//   aliases:         string[];
//   activeCharacter: Character | null;
// }

export interface WRankPosition {
  currentRank:   number;
  previousRank?: number;
}

// ─── Bringer ─────────────────────────────────────────────────────────────────

export interface BringerState {
  currentWeek: string;        // "2026-W22"
  capella: string | null;     // userKey
  procyon: string | null;
  capellaOverride?: string;
  procyonOverride?: string;
}

// ─── Messages ────────────────────────────────────────────────────────────────

export interface MessageEntry {
  clicks: number;
  message?: string;           // single message (legacy)
  messages?: string[];        // array of messages
  random?: boolean;
  days?: Record<string, { messages: string[]; random?: boolean }>;
  dates?: Record<string, { messages: string[]; random?: boolean }>;
}

export interface MessageBlock {
  yes: MessageEntry[];
  no: MessageEntry[];
  users?: Record<string, { yes: MessageEntry[]; no: MessageEntry[] }>;
}

export interface MessagesFile {
  public: MessageBlock;
  ephemeral: MessageBlock;
}

// ─── Emojis ──────────────────────────────────────────────────────────────────

export interface EmojiMap {
  [key: string]: string;      // e.g. "capella" → "<:Capella:1477082112560726238>"
}

// ─── Interaction context ─────────────────────────────────────────────────────

export interface ResolvedUser {
  userId: string;
  discordUsername: string;    // interaction.user.username
  userKey: string | null;  // resolved from usermap
  lookupUsername: string | null;
  displayName: string;        // server nickname → global nickname → username
  serverNickname: string | null;
  globalNickname: string | null;
  aliases: string[];
  activeCharacter: Character | null;
}