namespace ET
{
    public static class DropOperate
    {
        public static (int, int) DropItem(Unit unit, int dropId)
        {
            DropGroupConfig dropConfig = DropGroupConfigCategory.Instance.Get(dropId);
            
            int index = 0;
            if (dropConfig.ItemId.Length > 1)
            {
                index = RandomHelper.RandomByWeight(dropConfig.Weight);
            }

            //掉落数量
            int dropAmount = RandomHelper.RandomNumber(dropConfig.DropAmount[index * 2], dropConfig.DropAmount[index * 2 + 1]);
            StoreOperate.AddItem(unit, dropConfig.ItemId[index], dropAmount);
            return (dropConfig.ItemId[index], dropAmount);
        }
    }
}