namespace EgwCoreLib.Lux.Data.DbModel.Catalog
{
    /// <summary>
    /// Classe dei template di oggetti gestiti
    /// </summary>
    [Table("sales_template")]
    public class TemplateModel
    {
        /// <summary>
        /// ID del record
        /// </summary>
        [Key]
        public int TemplateID { get; set; }

        /// <summary>
        /// Environment del template
        /// </summary>
        public EgwMultiEngineManager.Data.Constants.EXECENVIRONMENTS Envir { get; set; } = EgwMultiEngineManager.Data.Constants.EXECENVIRONMENTS.WINDOW;


        /// <summary>
        /// SourceType dell'Item
        /// </summary>
        public ItemSourceType SourceType { get; set; } = ItemSourceType.ND;

        /// <summary>
        /// Denominazione
        /// </summary>
        public string Name { get; set; } = "";

        /// <summary>
        /// Descrizione
        /// </summary>
        public string Description { get; set; } = "";

        /// <summary>
        /// Numero Item compresi
        /// </summary>
        [NotMapped]
        public double NumItems
        {
            get => TemplateRowNav?.Sum(x => x.Qty) ?? 0;
        }

        /// <summary>
        /// Numero ProdItem compresi
        /// </summary>
        [NotMapped]
        public double NumProdItems
        {
            get => TemplateRowNav?.Sum(x => x.ProdItemQtyTot) ?? 0;
        }

        /// <summary>
        /// Numero Item compresi
        /// </summary>
        [NotMapped]
        public int NumRows
        {
            get => TemplateRowNav?.Count ?? 0;
        }

        /// <summary>
        /// Costo totale offerta (rock bottom)
        /// </summary>
        [NotMapped]
        public double TotalCost
        {
            get => TemplateRowNav?.Sum(x => x.TotalCost) ?? 0;
        }

        /// <summary>
        /// Prezzo totale offerta (compreso di amrginalità)
        /// </summary>
        [NotMapped]
        public double TotalPrice
        {
            get => TemplateRowNav?.Sum(x => x.TotalPrice) ?? 0;
        }

        /// <summary>
        /// Sconto massimo applicabile
        /// </summary>
        [NotMapped]
        public double MaxDiscount
        {
            get => (TotalCost > 0 && TotalPrice > TotalCost) ? (TotalPrice - TotalCost) / TotalPrice : 0;
        }

        /// <summary>
        /// Navigazione alle righe offerta
        /// </summary>
        public virtual ICollection<TemplateRowModel> TemplateRowNav { get; set; } = new List<TemplateRowModel>();
    }
}