using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace bnhtrade.Core.Model.Stock
{
    public class SkuTransaction : IValidatableObject
    {
        private DateTime? transactionDate = null;
        private bool? isProcessed = null;
        private short? quantity = null;
        private int? stockjournalId = null;
        private int? skuTransactionId = null;
        private int? foreignKey = null;
        private string skuTransactionTypeCode;
        private Model.Stock.SkuTransactionType skuTransactionType;

        public int SkuTransactionId
        {
            get { return skuTransactionId.GetValueOrDefault(); }
            set { skuTransactionId = value; }
        }

        public bool IsSetSkuTransactionId
        {
            get { return skuTransactionId != null; }
        }

        [Required()]
        public DateTime TransactionDate
        {
            get { return transactionDate.GetValueOrDefault(); }
            set { transactionDate = value; }
        }

        public bool IsSetTransactionDate
        {
            get { return transactionDate != null; }
        }

        [Required()]
        public string SkuTransactionTypeCode
        {
            get
            {
                if (IsSetSkuTransactionType)
                {
                    return SkuTransactionType.TypeCode;
                }
                else
                {
                    return skuTransactionTypeCode;
                }
            }
            set
            {
                if (IsSetSkuTransactionType)
                {
                    if (SkuTransactionType.TypeCode != value)
                    {
                        SkuTransactionType = null;
                        skuTransactionTypeCode = value;
                    }
                }
                else
                {
                    skuTransactionTypeCode = value;
                }
            }
        }

        public bool IsSetSkuTransactionTypeCode
        {
            get { return SkuTransactionTypeCode != null; }
        }

        public Model.Stock.SkuTransactionType SkuTransactionType
        {
            get
            {
                return skuTransactionType;
            }
            set
            {
                if (IsSetSkuTransactionTypeCode)
                {
                    skuTransactionTypeCode = null;
                }
                skuTransactionType = value;
            }
        }

        public bool IsSetSkuTransactionType
        {
            get { return SkuTransactionType != null; }
        }

        public int ForeignKey
        {
            get { return foreignKey.GetValueOrDefault(); }
            set { foreignKey = value; }
        }

        public bool IsSetForeignKey
        {
            get { return foreignKey != null; }
        }

        public string Reference { get; set; }

        public bool IsSetReference
        {
            get { return Reference != null; }
        }

        public string Detail { get; set; }

        public bool IsSetDetail
        {
            get { return Detail != null; }
        }

        [Required()]
        public string SkuNumber { get; set; }

        public bool IsSetSkuNumber
        {
            get { return SkuNumber != null; }
        }

        [Required(), Range(0, short.MaxValue)]
        public short Quantity
        {
            get { return quantity.GetValueOrDefault(); }
            set { quantity = value; }
        }

        public bool IsSetQuantity
        {
            get { return quantity != null; }
        }

        public bool IsProcessed
        {
            get { return isProcessed.GetValueOrDefault(); }
            set { isProcessed = value; }
        }

        public bool IsSetIsProcessed
        {
            get { return isProcessed != null; }
        }

        public int StockJournalId
        {
            get { return stockjournalId.GetValueOrDefault(); }
            set { stockjournalId = value; }
        }

        public bool IsSetStockJournalId
        {
            get { return stockjournalId != null; }
        }

        public SkuTransaction Clone()
        {
            var clone = new SkuTransaction();

            if (IsSetDetail) { clone.Detail = string.Copy(this.Detail); }
            if (IsSetForeignKey) { clone.ForeignKey = this.ForeignKey; }
            if (IsSetIsProcessed) { clone.IsProcessed = this.IsProcessed; }
            if (IsSetQuantity) { clone.Quantity = this.Quantity; }
            if (IsSetReference) { clone.Reference = string.Copy(this.Reference); }
            if (IsSetSkuNumber) { clone.SkuNumber = string.Copy(this.SkuNumber); }
            if (IsSetStockJournalId) { clone.StockJournalId = this.StockJournalId; }
            if (IsSetSkuTransactionId) { clone.SkuTransactionId = this.SkuTransactionId; }
            if (IsSetTransactionDate) { clone.TransactionDate = this.TransactionDate; }
            if (IsSetSkuTransactionType) { clone.SkuTransactionType = this.SkuTransactionType; }
            else if (IsSetSkuTransactionTypeCode) { clone.SkuTransactionTypeCode = string.Copy(this.SkuTransactionTypeCode); }

            return clone;
        }

        public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
        {
            var result = new List<ValidationResult>();

            if (!IsSetTransactionDate)
            {
                result.Add(new ValidationResult("Transaction date is not set"));
            }
            if (!IsSetIsProcessed)
            {
                result.Add(new ValidationResult("IsProcessed is not set"));
            }
            if (!IsSetQuantity)
            {
                result.Add(new ValidationResult("Quantity is not set"));
            }
            //if (!IsSetSkuTransactionId)
            //{
            //    result.Add(new ValidationResult("Stock Transaction Id is not set"));
            //}
            if (IsSetStockJournalId && (!IsSetIsProcessed || IsProcessed == false))
            {
                result.Add(new ValidationResult("Stock Journal Id is set, IsProcessed must be set to true"));
            }

            return result;
        }
    }
}