using Elwig.Helpers;
using Microsoft.EntityFrameworkCore;
using System;
using System.ComponentModel.DataAnnotations.Schema;

namespace Elwig.Models.Entities {
    [Table("member_history"), PrimaryKey("HistNr")]
    public class MemberHistory {
        [Column("histnr")]
        public int HistNr { get; set; }

        [Column("from_mgnr")]
        public int? FromMgNr { get; set; }
        [Column("from_type")]
        public int? FromType { get; set; }

        [Column("to_mgnr")]
        public int? ToMgNr { get; set; }
        [Column("to_type")]
        public int? ToType { get; set; }

        [Column("date")]
        public required string DateString { get; set; }
        [NotMapped]
        public DateOnly Date {
            get => DateOnly.ParseExact(DateString, "yyyy-MM-dd");
            set => value.ToString("yyyy-MM-dd");
        }

        [Column("reason")]
        public required string Reason { get; set; }

        [Column("source")]
        public required string Source { get; set; }

        [Column("shares")]
        public int Shares { get; set; }

        [Column("value_per_share")]
        public long? ValuePerShareValue { get; set; }
        [NotMapped]
        public decimal? ValuePerShare {
            get => ValuePerShareValue != null ? Utils.DecFromDb(ValuePerShareValue.Value, 2) : null;
            set => ValuePerShareValue = value != null ? Utils.DecToDb(value.Value, 2) : null;
        }

        [NotMapped]
        public decimal? TotalValue => Shares * ValuePerShare;

        [Column("currency")]
        public string? CurrencyCode { get; set; }

        [Column("comment")]
        public string? Comment { get; set; }

        [ForeignKey("FromMgNr")]
        public virtual Member FromMember { get; private set; } = null!;

        [ForeignKey("ToMgNr")]
        public virtual Member ToMember { get; private set; } = null!;

        [ForeignKey("CurrencyCode")]
        public virtual Currency Currency { get; private set; } = null!;
    }
}