import type { GameState } from '$lib/types/game-state';

export function getNextActivePlayer(state: GameState): number | null {
  const numPlayers = state.players.length;
  let next = (state.currentTurn + 1) % numPlayers;
  let checked = 0;

  while (checked < numPlayers) {
    const player = state.players[next];
    if (player.status === 'active') {
      return next;
    }
    next = (next + 1) % numPlayers;
    checked++;
  }

  return null;
}

export function getFirstActivePlayerLeftOfDealer(state: GameState): number | null {
  const numPlayers = state.players.length;
  let pos = (state.dealerPosition + 1) % numPlayers;
  let checked = 0;

  while (checked < numPlayers) {
    if (state.players[pos].status === 'active') {
      return pos;
    }
    pos = (pos + 1) % numPlayers;
    checked++;
  }

  return null;
}