export interface Game {
    id?: number;
    pgn?: string;
    white?: User;
    black?: User;
    winner?: "white" | "black" | "draw";
    endReason?: "draw" | "checkmate" | "stalemate" | "repetition" | "insufficient" | "abandoned" | "timeout" | "resign";
    host?: User;
    code?: string;
    unlisted?: boolean;
    timeout?: number;
    observers?: User[];
    startedAt?: number;
    endedAt?: number;
    vsAi?: boolean;
    aiLevel?: number;
    timeControl?: number;
    whiteTimeMs?: number;
    blackTimeMs?: number;
    lastMoveAt?: number;
}

export interface User {
    id?: number | string; // string for guest IDs
    name?: string | null;
    email?: string;
    wins?: number;
    losses?: number;
    draws?: number;
    role?: "user" | "admin";

    // mainly for players, not spectators
    connected?: boolean;
    disconnectedOn?: number;
}

export interface FriendRequest {
    id?: number;
    fromId?: number;
    toId?: number;
    fromName?: string;
    toName?: string;
    status?: "pending" | "accepted" | "rejected";
    createdAt?: string;
}

export interface Friendship {
    id?: number;
    userId?: number;
    friendId?: number;
    friendName?: string;
    wins?: number;
    losses?: number;
    draws?: number;
    createdAt?: string;
}

export interface CorrespondenceGame {
    id?: number;
    code?: string;
    white?: { id?: number; name?: string };
    black?: { id?: number; name?: string };
    pgn?: string;
    winner?: "white" | "black" | "draw";
    endReason?: "checkmate" | "stalemate" | "repetition" | "insufficient" | "resign" | "timeout" | "draw";
    daysPerMove?: number;
    lastMoveAt?: number;
    startedAt?: number;
    endedAt?: number;
}

export interface Tournament {
    id?: number;
    code?: string;
    name?: string;
    hostId?: number;
    hostName?: string;
    status?: "waiting" | "active" | "finished";
    timeControl?: number;
    maxPlayers?: number;
    currentRound?: number;
    totalRounds?: number;
    players?: TournamentPlayer[];
    rounds?: TournamentRound[];
    createdAt?: number;
}

export interface TournamentPlayer {
    tournamentId?: number;
    userId?: number;
    userName?: string;
    score?: number;
    gamesPlayed?: number;
}

export type NotificationType = "friendRequest" | "friendAccepted" | "gameInvite";

export interface AppNotification {
    id: string;
    type: NotificationType;
    fromId: number;
    fromName: string;
    gameCode?: string;
    createdAt: number;
    read: boolean;
}

export interface TournamentRound {
    id?: number;
    tournamentId?: number;
    round?: number;
    gameCode?: string;
    gameId?: number;
    whiteId?: number;
    whiteName?: string;
    blackId?: number;
    blackName?: string;
    result?: "white" | "black" | "draw" | null;
}