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 : DatabaseEntity
    {        
        private Guid? previous;
        private Guid? next;

        private Guid? customerId;
        private int? wetris_zz_56_datensatz_id;

        public MessageCore()
        {
            this.tablename = "[dbo].[MessageCore]";
        }

        #region Properties

        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; }

        public Guid? HerbergFormGuid { get; set; }

        public Guid? HerbergFormTemplateGuid { get; set; }

        #endregion        

        public override void PrepareSave(IDbCommand cmd)
        {
            SqlCommand scmd = cmd as SqlCommand;

            if (this.VisitId != null) scmd.Parameters.AddWithValue("@P1", this.VisitId);
            else scmd.Parameters.AddWithValue("@P1", DBNull.Value);
            if (this.TransitId != null) scmd.Parameters.AddWithValue("@P2", this.TransitId);
            else scmd.Parameters.AddWithValue("@P2", DBNull.Value);
            if (this.IMO != null) scmd.Parameters.AddWithValue("@P3", this.IMO);
            else scmd.Parameters.AddWithValue("@P3", DBNull.Value);
            if (this.ENI != null) scmd.Parameters.AddWithValue("@P4", this.ENI);
            else scmd.Parameters.AddWithValue("@P4", DBNull.Value);
            if (this.PoC != null) scmd.Parameters.AddWithValue("@P5", this.PoC);
            else scmd.Parameters.AddWithValue("@P5", DBNull.Value);
            if (this.Portname != null) scmd.Parameters.AddWithValue("@P6", this.Portname);
            else scmd.Parameters.AddWithValue("@P6", DBNull.Value);
            if (this.ETA.HasValue) scmd.Parameters.AddWithValue("@P7", this.ETA);
            else scmd.Parameters.AddWithValue("@P7", DBNull.Value);
            if (this.customerId.HasValue) scmd.Parameters.AddWithValue("@P8", this.customerId);
            else scmd.Parameters.AddWithValue("@P8", DBNull.Value);
            if (this.previous.HasValue) scmd.Parameters.AddWithValue("@P9", this.previous);
            else scmd.Parameters.AddWithValue("@P9", DBNull.Value);
            if (this.next.HasValue) scmd.Parameters.AddWithValue("@P10", this.next);
            else scmd.Parameters.AddWithValue("@P10", DBNull.Value);
            scmd.Parameters.AddWithValue("@P11", this.IsTransit ? 1 : 0);
            if (this.wetris_zz_56_datensatz_id.HasValue) scmd.Parameters.AddWithValue("@P12", this.wetris_zz_56_datensatz_id);
            else scmd.Parameters.AddWithValue("@P12", DBNull.Value);
            scmd.Parameters.AddWithValue("@P13", this.BSMDStatus);
            scmd.Parameters.AddWithValue("@P14", this.InitialHIS);
            scmd.Parameters.AddWithNullableValue("@P15", this.HerbergFormGuid);
            scmd.Parameters.AddWithNullableValue("@P16", this.HerbergFormTemplateGuid);

            if (this.IsNew)
            {
                string query = string.Format("INSERT INTO {0} (VisitId, TransitId, IMO, ENI, PoC, Portname, ETA, CustomerId, " +
                    "Previous, Next, IsTransit, Wetris_zz_56_datensatz_id, BSMDStatus, InitialHIS, HerbergFormGuid, " +
                    "HerbergFormTemplateGuid) VALUES " +
                    "(@P1, @P2, @P3, @P4, @P5, @P6, @P7, @P8, @P9, @P10, @P11, @P12, @P13, @P14, @P15, @P16)", 
                    this.Tablename);
                scmd.CommandText = query;
            }
            else
            {
                scmd.Parameters.AddWithValue("@ID", this.Id);
                string query = string.Format("UPDATE {0} SET VisitId = @P1, TransitId = @P2, IMO = @P3, ENI = @P4, Poc = @P5, " +
                    "Portname = @P6, ETA = @P7, CustomerId = @P8, Previous = @P9, Next = @P10, IsTransit = @P11, " +
                    "Wetris_zz_56_datensatz_id = @P12, BSMDStatus = @P13, InitialHIS = @P14, HerbergFormGuid = @P15, " +
                    "HerbergFormTemplateGuid = @P16 WHERE Id = @ID", this.Tablename);

            }
        }        

        public override void PrepareLoadCommand(System.Data.IDbCommand cmd, Message.LoadFilter filter, params object[] criteria)
        {
            string query = string.Format("SELECT Id, VisitId, TransitId, IMO, ENI, PoC, Portname, " +
                "ETA, CustomerId, Previous, Next, IsTransit, Wetris_zz_56_datensatz_id, BSMDStatus, InitialHIS, " +
                "HerbergFormGuid, HerbergFormTemplateGuid FROM {0} ", 
                this.Tablename);

            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.HERBERG_FORMGUID:
                    {
                        query += "WHERE HerbergFormGuid = @HFG";
                        ((SqlCommand)cmd).Parameters.AddWithValue("@HFG", criteria[0]);
                        break;
                    }
                case Message.LoadFilter.ALL:
                default:
                    break;
            }

            cmd.CommandText = query;           
        }

        public override List<DatabaseEntity> LoadList(IDataReader reader)
        {
            List<DatabaseEntity> result = new List<DatabaseEntity>();
            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));
                if (!reader.IsDBNull(15)) core.HerbergFormGuid = reader.GetGuid(15);
                if (!reader.IsDBNull(16)) core.HerbergFormTemplateGuid = reader.GetGuid(16);

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

    }
}