/** Purchases and login compensation use the same client-owned reward. */
export function starterPackReward() {
    return { coin: 8000, hammer: 8, freeze: 8, magic_wand: 8 };
}

export function starterPackNow(): number {
    return Date.now() + (cc.fx.GameConfig.GM_INFO.starterPackServerOffset || 0);
}

export function starterPackRemaining(): number {
    if (cc.fx.GameConfig.GM_INFO.starterPackPurchased) return 0;
    return Math.max(0, Math.ceil(cc.fx.GameConfig.GM_INFO.starter_packTime - starterPackNow() / 1000));
}

export function starterPackTimeText(seconds: number): string {
    const value = Math.max(0, Math.floor(seconds));
    return [Math.floor(value / 3600), Math.floor(value / 60) % 60, value % 60]
        .map(part => String(part).padStart(2, '0')).join(':');
}

export function applyStarterPackStatus(data: any): void {
    const info = cc.fx.GameConfig.GM_INFO;
    info.starter_packTime = (Number(data.starter_pack) || 0) / 1000;
    // A late status response cannot undo a purchase confirmed in this session.
    info.starterPackPurchased = info.starterPackPurchased || Number(data.starter_packState) === 1;
    if (Number(data.serverTime) > 0) info.starterPackServerOffset = Number(data.serverTime) - Date.now();
}

export function starterPackDay(): string {
    // Keep the existing local calendar-day policy, using server-corrected time.
    const date = new Date(starterPackNow());
    return `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, '0')}-${String(date.getDate()).padStart(2, '0')}`;
}

export function starterPackPopupKey(): string {
    return 'Starter_pack_' + cc.fx.GameConfig.GM_INFO.uid;
}