using ServerCore;
using ServerBase;
using ServerCommon;


namespace GameServer;

public class CaliumExchangerAction : EntityActionBase
{
    private const double BaseExchangeValue = 0.01;
    
    public CaliumExchangerAction(Player owner) : base(owner)
    {
    }

    public override async Task<Result> onInit() => await Task.FromResult(new Result());

    public override void onClear()
    {
        return;
    }
    
    public async Task<double> calculationConvertCalium(double sapphire)
    {
        var calium = await CaliumStorageHelper.calculateCaliumFromSapphire(sapphire);
        if (calium < BaseExchangeValue) calium = 0;

        return calium;
    }

    public Result checkConvertConditions(double sapphire)
    {
        var result = new Result();
        
        var player = getOwner() as Player;
        NullReferenceCheckHelper.throwIfNull(player, () => $"player is null !!!");
        
        // 1. 재화 보유 체크
        var money_attribute = getOwner().getEntityAttribute<MoneyAttribute>();
        NullReferenceCheckHelper.throwIfNull(money_attribute, () => $"money_attribute is null !!!");
        
        if (money_attribute.Sapphire < sapphire)
        {
            var err_msg = $"fail to convert calium!!! : lack of currency - currency[{sapphire}]";
            result.setFail(ServerErrorCode.LackOfCommissionCurrency, err_msg);
            Log.getLogger().error(err_msg);
        }
        
        return result;
    }
    
    public async Task<Result> changeCurrency(double obtainCalium, CurrencyType currencyType, double spendCurrency)
    {
        var result = new Result();
        
        var money_action = getOwner().getEntityAction<MoneyAction>();
        NullReferenceCheckHelper.throwIfNull(money_action, () => $"money_action is null !!!");

        // 1. calium 획득
        result = await money_action.changeMoney(CurrencyType.Calium, obtainCalium, useCaliumEvent: false);
        if (result.isFail()) return result;

        // 2. 변환을 위한 재화 소모
        result = await money_action.changeMoney(currencyType, -1 * spendCurrency, useCaliumEvent: false);
        
        return result;
    }
}