const MINUTE = 60 * 1000;

export interface StaminaPackRecord {
    offerEnd: number;
    cooldownEnd: number;
}

function storageKey(): string {
    return "StaminaPack_" + (cc.fx.GameConfig.GM_INFO.uid || "guest");
}

export function getStaminaPackRecord(): StaminaPackRecord {
    return cc.fx.StorageMessage.getStorage(storageKey()) || { offerEnd: 0, cooldownEnd: 0 };
}

export function canShowStaminaPack(now = Date.now()): boolean {
    const record = getStaminaPackRecord();
    return record.offerEnd > now || record.cooldownEnd <= now;
}

export function beginStaminaPackOffer(now = Date.now()): void {
    const record = getStaminaPackRecord();
    if (record.offerEnd > now || record.cooldownEnd > now) return;
    cc.fx.StorageMessage.setStorage(storageKey(), {
        offerEnd: now + 10 * MINUTE,
        cooldownEnd: now + 40 * MINUTE,
    });
}

export function closeStaminaPackOffer(now = Date.now()): void {
    const record = getStaminaPackRecord();
    // 发货后 offerEnd 为 0，不能被关闭回调覆盖八小时冷却。
    if (record.offerEnd > 0 && now >= record.offerEnd) {
        cc.fx.StorageMessage.setStorage(storageKey(), { ...record, cooldownEnd: now + 30 * MINUTE });
    }
}

export function recordStaminaPackPurchase(now = Date.now()): void {
    cc.fx.StorageMessage.setStorage(storageKey(), { offerEnd: 0, cooldownEnd: now + 8 * 60 * MINUTE });
}