import type { GameState, BettingRound } from '$lib/types/game-state';
import type { PlayerSeat } from '$lib/types/player';
import type { ActionRecord } from '$lib/types/action';

export function createInitialState(numPlayers: number, startingStack: number): GameState {
  const players: PlayerSeat[] = [];
  for (let i = 0; i < numPlayers; i++) {
    players.push({
      id: `player-${i}`,
      name: i === 0 ? 'You' : `Bot ${i}`,
      chips: startingStack,
      currentBet: 0,
      status: 'active',
      holeCards: [],
      position: i
    });
  }

  return {
    deck: [],
    players,
    communityCards: [],
    pot: 0,
    dealerPosition: Math.floor(Math.random() * numPlayers),
    currentTurn: 0,
    bettingRound: 'idle',
    actionHistory: [],
    currentBet: 0,
    lastRaiseAmount: 0,
    smallBlind: 10,
    bigBlind: 20
  };
}

export function rotateDealer(state: GameState): GameState {
  const nextDealer = (state.dealerPosition + 1) % state.players.length;
  return { ...state, dealerPosition: nextDealer };
}

export function recordAction(
  state: GameState,
  playerId: string,
  type: ActionRecord['type'],
  amount?: number
): GameState {
  return {
    ...state,
    actionHistory: [
      ...state.actionHistory,
      { playerId, type, amount, timestamp: Date.now() }
    ]
  };
}