using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Data.OleDb;

namespace DatabaseExport
{
    public class MMEDirections : AbstractOLEDbWrapper
    {
        public string S_GUID { get; }

        public string Direction { get; }

        public string Text_L1 { get; }

        public string Text_L2 { get; }

        public DateTime Date { get; }

        public long Version { get; }

        public bool Expired { get; }

        public string Remarks { get; }

        public DateTime Last_Change { get; }

        public string Last_Change_Text { get; }

        public string History { get; }

        public string SortKey { get; }

        public MMEPossibleChannels.MMEChannelTypes RecordType { get; }

        public MMEDirections(string sGuid, string direction, string textL1, string textL2, DateTime date, long version,
            bool bExpired, string remarks, DateTime lastChange, string lastChangeText, string history, string sortkey,
            MMEPossibleChannels.MMEChannelTypes type)
        {
            RecordType = type;
            S_GUID = sGuid;
            Direction = direction;
            Text_L1 = textL1;
            Text_L2 = textL2;
            Date = date;
            Version = version;
            Expired = bExpired;
            Remarks = remarks;
            Last_Change = lastChange;
            Last_Change_Text = lastChangeText;
            History = history;
            SortKey = sortkey;
        }

        public static MMEDirections[] GetDirections()
        {
            var directions = new List<MMEDirections>();
            try
            {
                using (var cmd = DbOperations.GetISOCommand())
                {
                    cmd.CommandText = "SELECT * FROM MMEDirections";
                    cmd.CommandType = CommandType.Text;
                    try
                    {
                        using (var ISOReader = cmd.ExecuteReader())
                        {
                            while (ISOReader.Read())
                            {
                                try
                                {
                                    var version = Convert.ToInt32(ISOReader[DbOperations.MMETables.MMEDirectionsFields.VERSION.ToString()]);
                                    var text2 = Convert.ToString(ISOReader[DbOperations.MMETables.MMEDirectionsFields.TEXT_L2.ToString()]);
                                    var text1 = Convert.ToString(ISOReader[DbOperations.MMETables.MMEDirectionsFields.TEXT_L1.ToString()]);
                                    var sortKey = Convert.ToString(ISOReader[DbOperations.MMETables.MMEDirectionsFields.SORTKEY.ToString()]);
                                    var sGuid = Convert.ToString(ISOReader[DbOperations.MMETables.MMEDirectionsFields.s_GUID.ToString()]);
                                    var remarks = Convert.ToString(ISOReader[DbOperations.MMETables.MMEDirectionsFields.REMARKS.ToString()]);
                                    var lastChangeText = Convert.ToString(ISOReader[DbOperations.MMETables.MMEDirectionsFields.LAST_CHANGE_TEXT.ToString()]);
                                    var lastChange = GetDate(ISOReader, DbOperations.MMETables.MMEDirectionsFields.LAST_CHANGE.ToString());
                                    var history = Convert.ToString(ISOReader[DbOperations.MMETables.MMEDirectionsFields.HISTORY.ToString()]);
                                    var expired = Convert.ToBoolean(ISOReader[DbOperations.MMETables.MMEDirectionsFields.EXPIRED.ToString()]);
                                    var direction = Convert.ToString(ISOReader[DbOperations.MMETables.MMEDirectionsFields.DIRECTION.ToString()]);
                                    var date = Convert.ToDateTime(ISOReader[DbOperations.MMETables.MMEDirectionsFields.DATE.ToString()]);
                                    var mmedirection = new MMEDirections(sGuid, direction, text1, text2, date, Convert.ToInt64(version), expired, remarks, lastChange,
                                        lastChangeText, history, sortKey, MMEPossibleChannels.MMEChannelTypes.ISO13499_106);
                                    directions.Add(mmedirection);
                                }
                                catch (Exception )
                                {
                                    //ignore
                                }
                            }

                            ISOReader.Close();
                        }
                    }
                    finally
                    {
                        cmd.Connection.Dispose();
                    }
                }
                try
                {
                    using (var cmd = DbOperations.GetCommand())
                    {
                        try
                        {
                            cmd.CommandText = string.Format("SELECT * from {0}", DbOperations.MMETables.MMEDirectionsTable);
                            using (var ds = DbOperations.Connection.QueryDataSet(cmd))
                            {
                                if (ds.Tables.Count > 0 && ds.Tables[0].Rows.Count > 0)
                                {
                                    var fields = Enum.GetValues(typeof(
                                        DbOperations.MMETables.MMEDirectionsFields)).Cast<DbOperations.MMETables.MMEDirectionsFields>().ToArray();
                                    foreach (System.Data.DataRow dr in ds.Tables[0].Rows)
                                    {

                                        var date = DateTime.Now;
                                        var direction = "?";
                                        var expired = false;
                                        var history = "";
                                        var lastChange = DateTime.Now;
                                        var lastChangeText = "";
                                        var remarks = "";
                                        var sGuid = "";
                                        var sortKey = "";
                                        var text1 = "";
                                        var text2 = "";
                                        var version = 0;
                                        foreach (var field in fields)
                                        {
                                            try
                                            {
                                                if (DBNull.Value.Equals(dr[field.ToString()])) { continue; }
                                                switch (field)
                                                {
                                                    case DbOperations.MMETables.MMEDirectionsFields.VERSION:
                                                        version = Convert.ToInt32(dr[field.ToString()]);
                                                        break;
                                                    case DbOperations.MMETables.MMEDirectionsFields.TEXT_L2:
                                                        text2 = Convert.ToString(dr[field.ToString()]);
                                                        break;
                                                    case DbOperations.MMETables.MMEDirectionsFields.TEXT_L1:
                                                        text1 = Convert.ToString(dr[field.ToString()]);
                                                        break;
                                                    case DbOperations.MMETables.MMEDirectionsFields.SORTKEY:
                                                        sortKey = Convert.ToString(dr[field.ToString()]);
                                                        break;
                                                    case DbOperations.MMETables.MMEDirectionsFields.s_GUID:
                                                        sGuid = Convert.ToString(dr[field.ToString()]);
                                                        break;
                                                    case DbOperations.MMETables.MMEDirectionsFields.REMARKS:
                                                        remarks = Convert.ToString(dr[field.ToString()]);
                                                        break;
                                                    case DbOperations.MMETables.MMEDirectionsFields.LAST_CHANGE_TEXT:
                                                        lastChangeText = Convert.ToString(dr[field.ToString()]);
                                                        break;
                                                    case DbOperations.MMETables.MMEDirectionsFields.LAST_CHANGE:
                                                        lastChange = Convert.ToDateTime(dr[field.ToString()]);
                                                        break;
                                                    case DbOperations.MMETables.MMEDirectionsFields.HISTORY:
                                                        history = Convert.ToString(dr[field.ToString()]);
                                                        break;
                                                    case DbOperations.MMETables.MMEDirectionsFields.EXPIRED:
                                                        expired = Convert.ToBoolean(dr[field.ToString()]);
                                                        break;
                                                    case DbOperations.MMETables.MMEDirectionsFields.DIRECTION:
                                                        direction = Convert.ToString(dr[field.ToString()]);
                                                        break;
                                                    case DbOperations.MMETables.MMEDirectionsFields.DATE:
                                                        date = Convert.ToDateTime(dr[field.ToString()]);
                                                        break;
                                                }
                                            }
                                            catch (Exception) 
                                            {
                                                //ignore
                                            }
                                        }
                                        directions.Add(new MMEDirections(sGuid.ToString(), direction, text1, text2, date, Convert.ToInt64(version),
                                            expired, remarks, lastChange, lastChangeText, history, sortKey, MMEPossibleChannels.MMEChannelTypes.SQL));
                                    }
                                }
                            }
                        }
                        finally
                        {
                            cmd.Connection.Dispose();
                        }
                    }
                }
                catch (Exception) 
                {
                    //ignore
                }
            }
            catch (Exception)
            {
                //ignore
            }
            return directions.ToArray();
        }
    }
}