using gehGassiApp.Domain.Common;

namespace gehGassiApp.Domain.Subscriptions
{
    /// <summary>
    /// Repräsentiert ein Abonnement
    /// </summary>
    public class Subscription
    {
        /// <summary>
        /// Eindeutige Id
        /// </summary>
        public string Id { get; set; }

        /// <summary>
        /// Code des Abonnements
        /// </summary>
        public string Code { get; set; }

        /// <summary>
        /// Länge des Abonnements
        /// </summary>
        public SubscriptionLength Length { get; set; }

        /// <summary>
        /// Preis des Abonnements
        /// </summary>
        public decimal Price { get; set; }

        /// <summary>
        /// Art des Abonnements - für welchen Benutzer-Typ?
        /// </summary>
        public AppMode AppMode { get; set; }

        /// <summary>
        /// Zeit in Tagen die als Toleranz bei Ablauf akzeptiert wird
        /// </summary>
        public int GracePeriodInDays { get; set; }

        /// <summary>
        /// Ist das Abonnement ausgeblendet?
        /// </summary>
        public bool Hidden { get; set; }

        /// <summary>
        /// Optional: the Max registered date of the app user to see this subscription
        /// </summary>
        public DateTimeOffset? MaxRegisteredDate { get; set; }

        /// <summary>
        /// Name des Abonnements - übersetzt
        /// </summary>
        public string Name { get; set; }

        /// <summary>
        /// Beschreibung des Abonnements - übersetzt
        /// </summary>
        public string Description { get; set; }

        /// <summary>
        /// Helper to calculate the current expiration date for Android
        /// </summary>
        /// <param name="date">DateTime</param>
        /// <returns>DateTime</returns>
        public DateTime AddLenght(DateTime date)
        {
            switch (Length)
            {
                case SubscriptionLength.OneWeek:
                    return date.AddDays(7);
                case SubscriptionLength.OneMonth:
                    return date.AddMonths(1);
                case SubscriptionLength.ThreeMonths:
                    return date.AddMonths(3);
                case SubscriptionLength.SixMonths:
                    return date.AddMonths(6);
                case SubscriptionLength.OneYear:
                    return date.AddYears(1);
                default:
                    return date;
            }
        }
    }
}