// Copyright (c) 2015-2017 schick Informatik
// Description: Klasse kapselt eine vom ENI-2 verwendete Validierungsregel

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

namespace bsmd.database
{
    public class ValidationRule : DatabaseEntity
    {

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

        #region Properties

        public string Name { get; set; }

        public string Context { get; set; }

        public string Rule { get; set; }

        public DateTime Created { get; set; }

        public string CreatedBy { get; set; }

        public DateTime? Changed { get; set; }

        public string ChangedBy { get; set; }

        public bool? IsActive { get; set; }

        #endregion

        #region overrides

        public override string ToString()
        {
            return this.Name;
        }

        #endregion

        #region DatabaseEntity implementation

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

            while (reader.Read())
            {
                ValidationRule vr = new ValidationRule();

                vr.id = reader.GetGuid(0);
                if (!reader.IsDBNull(1)) vr.Name = reader.GetString(1);
                if (!reader.IsDBNull(2)) vr.Context = reader.GetString(2);
                if (!reader.IsDBNull(3)) vr.Rule = reader.GetString(3);
                if (!reader.IsDBNull(4)) vr.Changed = reader.GetDateTime(4);
                if (!reader.IsDBNull(5)) vr.ChangedBy = reader.GetString(5);
                if (!reader.IsDBNull(6)) vr.Created = reader.GetDateTime(6);
                if (!reader.IsDBNull(7)) vr.CreatedBy = reader.GetString(7);
                if (!reader.IsDBNull(8)) vr.IsActive = reader.GetBoolean(8);

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

        public override void PrepareLoadCommand(IDbCommand cmd, Message.LoadFilter filter, params object[] criteria)
        {
            string query = string.Format("SELECT Id, Name, Context, [Rule], Changed, ChangedBy, Created, CreatedBy, IsActive FROM {0} ORDER BY Name", 
                this.Tablename);

            switch (filter)
            {                
                case Message.LoadFilter.ALL:
                default:

                    break;
            }

            cmd.CommandText = query;
        }

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

            scmd.Parameters.AddWithNullableValue("@P1", this.Name);
            scmd.Parameters.AddWithNullableValue("@P2", this.Context);
            scmd.Parameters.AddWithNullableValue("@P3", this.Rule);
            scmd.Parameters.AddWithNullableValue("@P4", this.Changed);
            scmd.Parameters.AddWithNullableValue("@P5", this.ChangedBy);
            scmd.Parameters.AddWithNullableValue("@P6", this.Created);
            scmd.Parameters.AddWithNullableValue("@P7", this.CreatedBy);
            scmd.Parameters.AddWithNullableValue("@P8", this.IsActive);

            if (this.IsNew)
            {
                this.CreateId();
                scmd.Parameters.AddWithValue("@ID", this.Id);
                scmd.CommandText = string.Format("INSERT INTO {0} (Id, Name, Context, [Rule], Changed, ChangedBy, Created, CreatedBy, IsActive) " +
                    "VALUES ( @ID, @P1, @P2, @P3, @P4, @P5, @P6, @P7, @P8 )",
                    this.Tablename);
            }
            else
            {
                scmd.Parameters.AddWithValue(@"ID", this.Id);
                scmd.CommandText = string.Format("UPDATE {0} SET Name = @P1, Context = @P2, [Rule] = @P3, Changed = @P4, ChangedBy = @P5, " +
                    "Created = @P6, CreatedBy = @P7, IsActive = @P8 WHERE Id = @ID", this.Tablename);
            }
        }

    #endregion

}
}