<?php

namespace sammo;

use Ds\Map;
use sammo\DTO\AuctionInfo;

class Auction
{

  private AuctionInfo $info;
  public const LAST_AUCTION_ID_KEY = 'last_auction_id';

  static public function genNextAuctionID(): int
  {
    $db = DB::db();

    $gameStor = KVStorage::getStorage($db, 'game_env');
    $gameStor->invalidateCacheValue(self::LAST_AUCTION_ID_KEY);
    $auctionID = ($gameStor->getValue(self::LAST_AUCTION_ID_KEY) ?? 0) + 1;

    $gameStor->setValue(self::LAST_AUCTION_ID_KEY, $auctionID);

    return $auctionID;
  }


  static public function openAuction(AuctionInfo $info)
  {
    $db = DB::db();
    $auctionID = $info->id;
    $auctionStor = KVStorage::getStorage($db, 'auction');
    $auctionStor->setValue("id_{$auctionID}", $info->toArray());
  }

  public function __construct(private readonly int $auctionID)
  {
    $db = DB::db();
    $auctionStor = KVStorage::getStorage($db, 'auction');
    $rawBettingInfo = $auctionStor->getValue("id_{$auctionID}");
    if ($rawBettingInfo === null) {
      throw new \RuntimeException("해당 경매가 없습니다: {$auctionID}");
    }
    $this->info = new AuctionInfo($rawBettingInfo);
  }
}