//
//  Class:			STO
//	Current CLR:	4.0.30319.34209
//	System:			Microsoft Visual Studio 10.0
//	Author:			dani
// 	Created:		12/3/2016 6:48:58 PM
//
//	Copyright (c) 2016 Informatikbüro Daniel Schick. All rights reserved.

using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Data;

namespace bsmd.database
{

    /// <summary>
    /// Diese Meldeklasse ist bislang DK-Only und wird in den meisten Tools nicht berücksichtigt!
    /// </summary>
    public class STO : DatabaseEntity, ISublistElement
    {

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

        #region Properties


        /// <summary>
        /// ISublistElement implementation
        /// </summary>
        public string Identifier { get; set; }

        public string SublistCollectionKey { get { return "sto"; } }

        [LookupName("STO.Name")]
        [MaxLength(255)]
        [ENI2Validation]
        public string Name { get; set; }

        [LookupName("STO.Quantity")]
        [ENI2Validation]
        public int? Quantity { get; set; }

        [LookupName("STO.QuantityUnit")]
        [MaxLength(16)]
        [ENI2Validation]
        public string QuantityUnit { get; set; }

        [LookupName("STO.LocationOnBoard")]
        [MaxLength(64)]
        [ENI2Validation]
        public string LocationOnBoard { get; set; }

        [LookupName("STO.OfficialUse")]
        [MaxLength(16)]
        [ENI2Validation]
        public string OfficialUse { get; set; }

        #endregion

        #region DatabaseEntity implementation

        public override string Subtitle
        {
            get
            {
                return "Storage information";
            }
        }

        public override List<DatabaseEntity> LoadList(IDataReader reader)
        {
            List<DatabaseEntity> result = new List<DatabaseEntity>();

            while (reader.Read())
            {
                STO sto = new STO();

                sto.id = reader.GetGuid(0);
                if (!reader.IsDBNull(1)) sto.Name = reader.GetString(1);
                if (!reader.IsDBNull(2)) sto.Quantity = reader.GetInt32(2);
                if (!reader.IsDBNull(3)) sto.QuantityUnit = reader.GetString(3);
                if (!reader.IsDBNull(4)) sto.LocationOnBoard = reader.GetString(4);
                if (!reader.IsDBNull(5)) sto.OfficialUse = reader.GetString(5);
                if (!reader.IsDBNull(6)) sto.Identifier = reader.GetString(6);
                result.Add(sto);
            }
            reader.Close();
            result.Sort();
            return result;
        }

        public override void PrepareLoadCommand(IDbCommand cmd, Message.LoadFilter filter, params object[] criteria)
        {
            string query = string.Format("SELECT Id, Name, Quantity, QuantityUnit, LocationOnBoard, OfficialUse, Identifier FROM {0} ",
                 this.Tablename);

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

                    break;
            }

            cmd.CommandText = query;
        }

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

            scmd.Parameters.AddWithValue("@P1", this.MessageHeader.Id);
            scmd.Parameters.AddWithNullableValue("@P2", this.Name);
            scmd.Parameters.AddWithNullableValue("@P3", this.Quantity);
            scmd.Parameters.AddWithNullableValue("@P4", this.QuantityUnit);
            scmd.Parameters.AddWithNullableValue("@P5", this.LocationOnBoard);
            scmd.Parameters.AddWithNullableValue("@P6", this.OfficialUse);
            scmd.Parameters.AddWithNullableValue("@P7", this.Identifier);

            if (this.IsNew)
            {
                this.CreateId();
                scmd.Parameters.AddWithValue("@ID", this.Id);
                scmd.CommandText = string.Format("INSERT INTO {0} (Id, MessageHeaderId, Name, Quantity, " +
                    "QuantityUnit, LocationOnBoard, OfficialUse, Identifier) VALUES ( @ID, @P1, @P2, @P3, @P4, @P5, @P6, @P7 )", this.Tablename);
            }
            else
            {
                scmd.Parameters.AddWithValue(@"ID", this.Id);
                scmd.CommandText = string.Format("UPDATE {0} SET Name = @P2, Quantity = @P3,  QuantityUnit = @P4, " +
                    "LocationOnBoard = @P5, OfficialUse = @P6, Identifier = @P7 WHERE Id = @ID", this.Tablename);
            }
        }

        #endregion

        #region IComparable implementation

        public int CompareTo(object obj)
        {
            if (this.Identifier == null) return 1;
            if ((obj is null) || (((STO)obj).Identifier == null))
                return 1;
            if (Int32.TryParse(((STO)obj).Identifier, out int i1) && Int32.TryParse(this.Identifier, out int i2))
                return i2.CompareTo(i1);
            return this.Identifier.CompareTo(((STO)obj).Identifier);
        }

        #endregion

    }
}