export type StartBoostProp = "hourglass" | "rocket";

export interface StartBoostLoadout {
    streak: number;
    hourglass: boolean;
    rocket: boolean;
    spentHourglass?: boolean;
    spentRocket?: boolean;
}

export function startBoostRewards(streak: number): { hourglass: number; rocket: number } {
    return { hourglass: streak >= 3 ? 3 : streak > 0 ? 2 : 0,
        rocket: streak >= 3 ? 2 : streak >= 2 ? 1 : 0 };
}

export function infiniteStartBoost(info: any, prop: StartBoostProp): boolean {
    return Number(info[prop === "hourglass" ? "infiniteHourglassTime" : "infiniteRocketTime"]) > Date.now() / 1000;
}

export function canCarryStartBoost(info: any, prop: StartBoostProp): boolean {
    return infiniteStartBoost(info, prop) || info[prop + "Amount"] > 0;
}

/** 原配置只在未开始的重开中复用；已使用的自选道具不重复扣。 */
export function consumeCarriedStartBoost(loadout: StartBoostLoadout, prop: StartBoostProp, info: any): boolean {
    const spent = prop === "hourglass" ? "spentHourglass" : "spentRocket";
    if (!loadout[prop] || loadout[spent]) return false;
    loadout[spent] = true;
    if (infiniteStartBoost(info, prop)) return false;
    info[prop + "Amount"] = Math.max(0, (Number(info[prop + "Amount"]) || 0) - 1);
    return true;
}