using System;
using System.Data;
using System.Data.SqlClient;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace bsmd.database
{
    public class MessageCore : IDatabaseEntity
    {
        private Guid id;
        private Guid? previous;
        private Guid? next;

        private Guid? customerId;
        private int? wetris_zz_56_datensatz_id;

        #region Properties

        public Guid? Id { get { return this.id; } }

        public string VisitId { get; set; }

        public string TransitId { get; set; }

        public string IMO { get; set; }

        public string ENI { get; set; }

        public string PoC { get; set; }

        public string Portname { get; set; }

        public DateTime ETA { get; set; }        

        public bool IsTransit { get; set; }

        public Message.BSMDStatus BSMDStatus { get; set; }

        public Message.NSWProvider InitialHIS { get; set; }

        #endregion


        public bool IsNew
        {
            get { return !this.Id.HasValue; }
        }

        public void PrepareSave(IDbCommand cmd)
        {
            if (this.IsNew)
            {
                string query = "INSERT INTO [MessageCore] (VisitId, TransitId, IMO, ENI, PoC, Portname, ETA, CustomerId, " +
                    "Previous, Next, IsTransit, Wetris_zz_56_datensatz_id, BSMDStatus, InitialHIS) VALUES " +
                    "(@P1, @P2, @P3, @P4, @P5, @P6, @P7, @P8, @P9, @P10, @P11, @P12, @P13, @P14)";

            }
            else
            {

            }
        }

        public void PrepareDelete(IDbCommand cmd)
        {
            throw new NotImplementedException();
        }

        public void PrepareLoadCommand(System.Data.IDbCommand cmd, Message.LoadFilter filter, params object[] criteria)
        {
            string query = "SELECT Id, VisitId, TransitId, IMO, ENI, PoC, Portname, " +
                "ETA, CustomerId, Previous, Next, IsTransit, Wetris_zz_56_datensatz_id, BSMDStatus, InitialHIS FROM [MessageCore] ";

            switch (filter)
            {
                case Message.LoadFilter.WETRIS_SHIP_ID:
                    {
                        query += "WHERE Wetris_zz_56_datensatz_id = @WETRIS";
                        ((SqlCommand)cmd).Parameters.AddWithValue("WETRIS", criteria[0]);
                        break;
                    }
                case Message.LoadFilter.ALL:
                default:
                    break;
            }

            cmd.CommandText = query;           
        }

        public List<IDatabaseEntity> LoadList(IDataReader reader)
        {
            List<IDatabaseEntity> result = new List<IDatabaseEntity>();
            while(reader.Read())
            {
                MessageCore core = new MessageCore();
                core.id = reader.GetGuid(0);
                if (!reader.IsDBNull(1)) core.VisitId = reader.GetString(1);
                if (!reader.IsDBNull(2)) core.TransitId = reader.GetString(2);
                if (!reader.IsDBNull(3)) core.IMO = reader.GetString(3);
                if (!reader.IsDBNull(4)) core.ENI = reader.GetString(4);
                if (!reader.IsDBNull(5)) core.PoC = reader.GetString(5);
                if (!reader.IsDBNull(6)) core.Portname = reader.GetString(6);
                if (!reader.IsDBNull(7)) core.ETA = reader.GetDateTime(7);
                if (!reader.IsDBNull(8)) core.customerId = reader.GetGuid(8);
                if (!reader.IsDBNull(9)) core.previous = reader.GetGuid(9);
                if (!reader.IsDBNull(10)) core.next = reader.GetGuid(10);
                core.IsTransit = reader.GetBoolean(11);
                if (!reader.IsDBNull(12)) core.wetris_zz_56_datensatz_id = reader.GetInt32(12);
                core.BSMDStatus = (Message.BSMDStatus) Enum.ToObject(typeof(Message.BSMDStatus), reader.GetByte(13));
                core.InitialHIS = (Message.NSWProvider) Enum.ToObject(typeof(Message.NSWProvider), reader.GetByte(14));

                result.Add(core);
            }
            reader.Close();
            return result;
        }

    }
}