using System;
using System.Collections.Generic;

namespace SharedDatabase.Entities
{
    public class ReferenceRecord
    {
        public virtual int Id { get; protected set; }
		public virtual string Code { get; set; }
		public virtual DateTime TimeStamp { get; set; }
		public virtual string UserName { get; set; }
		public virtual string Workplace { get; set; }
		public virtual int Result { get; set; }			/// 0 = No error (OK), >0 = Error code

		public virtual Process Process { get; set; }
		public virtual Workstep Workstep { get; set; }
		public virtual IList<Record> Records { get; set; }


		/// <summary>
		/// Default (private) constructor inicializing lists
		/// </summary>
		protected ReferenceRecord()
		{
			Records = new List<Record>();
		}

		/// <summary>
		/// Constructor used when reference barcode is scanned
		/// </summary>
		/// <param name="process">Process</param>
		/// <param name="workstep">Workstep</param>
		/// <param name="code">Scanned barcode</param>
		public ReferenceRecord(Process process, Workstep workstep, string code,
							   string userName, string workplace, int result)
            : this()
		{
			Process = process;
			Workstep = workstep;
			Code = code;
			TimeStamp = DateTime.Now;
			UserName = userName;
			Workplace = workplace;
			Result = result;
        }

        /// <summary>
        /// Create a copy of a process with a new name
        /// </summary>
        /// <param name="name"></param>
        /// <returns></returns>
        public virtual ReferenceRecord Clone(Process newProcess)
        {
            Workstep newWorkstep = null;
            foreach (var ws in newProcess.Worksteps)
            {
                if (Workstep.Name == ws.Name)
                {
                    newWorkstep = ws;
                    break;
                }
            }

            ReferenceRecord rslt = new ReferenceRecord(newProcess, newWorkstep,
                                                       Code, UserName, Workplace, Result);
            rslt.TimeStamp = TimeStamp;

            rslt.Records = new List<Record>();
            foreach (var record in Records)
            {
                rslt.Records.Add(record.Clone(newProcess, rslt));
            }

            return rslt;
        }

		public override string ToString()
		{
            return string.Format("code={0}  part={1}  description='{2}'  step='{3}'  workplace='{4}'  user={5}  time={6:dd.MM.yyyy HH:mm:ss}",
                                 (Code != null) ? Code : "<none>",
                                 (Workstep != null) ? Workstep.ReferencePart.Name : string.Empty,
                                 (Workstep != null) ? Workstep.ReferencePart.Description : string.Empty,
                                 (Workstep != null) ? Workstep.Name : string.Empty,
                                 Workplace,
                                 UserName,
                                 TimeStamp);
		}
    }
}