Wino-Mail/Wino.Core.Domain/CalendarReminderSnoozeOptions.cs

using System;
using System.Collections.Generic;
using System.Linq;

namespace Wino.Core.Domain;

public static class CalendarReminderSnoozeOptions
{
    private static readonly int[] SupportedSnoozeMinutes = [5, 10, 15, 30];

    public static IReadOnlyList<int> GetSupportedSnoozeMinutes()
        => SupportedSnoozeMinutes;

    public static IReadOnlyList<int> GetAllowedSnoozeMinutes(long reminderDurationInSeconds, long defaultReminderDurationInSeconds)
    {
        var reminderMinutes = (int)Math.Max(0, reminderDurationInSeconds / 60);

        if (reminderMinutes <= 0)
            return [];

        var maxSnoozeMinutes = reminderMinutes;
        var defaultReminderMinutes = (int)Math.Max(0, defaultReminderDurationInSeconds / 60);

        if (defaultReminderMinutes > 0)
            maxSnoozeMinutes = Math.Min(maxSnoozeMinutes, defaultReminderMinutes);

        return SupportedSnoozeMinutes.Where(minutes => minutes <= maxSnoozeMinutes).ToArray();
    }
}