using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Data.SqlClient;
using DTS.Common.Interface.Sensors;
using DTS.Common.Storage;

namespace DTS.SensorDB
{
    public class SoftwareFilter : Common.Base.BasePropertyChanged, ISoftwareFilter
    {
        public int Id { get; set; } = -1;

        private char _isoCode;
        public char ISOCode { get => _isoCode; set => SetProperty(ref _isoCode, value, "ISOCode"); }

        private string _description = "";
        public string Description { get => _description; set => SetProperty(ref _description, value, "Description"); }

        private double _frequency = 0D;
        public double Frequency { get => _frequency; set => SetProperty(ref _frequency, value, "Frequency"); }
        //FB 13120 property to define wich filter is default
        private bool _isDefault = false;
        public bool IsDefault { get => _isDefault; set => SetProperty(ref _isDefault, value, "IsDefault"); }

        private DateTime _lastModified = DateTime.Today;
        public DateTime LastModified { get => _lastModified; set => SetProperty(ref _lastModified, value, "LastModified"); }

        private string _lastModifiedBy = "";
        public string LastModifiedBy { get => _lastModifiedBy; set => SetProperty(ref _lastModifiedBy, value, "LastModifiedBy"); }
        public void Commit(bool updateDateTime = true, string user = "")
        {
            if (updateDateTime)
            {
                LastModifiedBy = user;
                LastModified = DateTime.Now;
            }
            if (Id <= 0)
            {
                var filters = GetSoftwareFilters();
                if (filters.Where(p => p.Frequency == Frequency).Any())
                    return;
                Insert();
            }
            else
            {
                Update();
            }
        }
        private void Insert()
        {
            using (var sql = DbOperations.GetSQLCommand(true))
            {
                try
                {
                    sql.CommandType = CommandType.StoredProcedure;
                    sql.CommandText = "sp_SoftwareFiltersInsert";
                    sql.Parameters.Add(new SqlParameter("@ISOCode", SqlDbType.Char) { Value = ISOCode });
                    sql.Parameters.Add(new SqlParameter("@Description", SqlDbType.NVarChar, 255) { Value = Description });
                    sql.Parameters.Add(new SqlParameter("@Frequency", SqlDbType.Float) { Value = Frequency });
                    sql.Parameters.Add(new SqlParameter("@LastModified", SqlDbType.DateTime) { Value = LastModified });
                    sql.Parameters.Add(new SqlParameter("@LastModifiedBy", SqlDbType.NVarChar, 255) { Value = LastModifiedBy });
                    sql.Parameters.Add(new SqlParameter("@IsDefault", SqlDbType.Bit) { Value = IsDefault });
                    var errorNumber = new SqlParameter("@errorNumber", SqlDbType.Int) { Direction = ParameterDirection.Output };
                    sql.Parameters.Add(errorNumber);
                    var errorMessage = new SqlParameter("@errorMessage", SqlDbType.NVarChar, 255) { Direction = ParameterDirection.Output };
                    sql.Parameters.Add(errorMessage);
                    var newId = new SqlParameter("@new_id", SqlDbType.Int) { Direction = ParameterDirection.Output };
                    sql.Parameters.Add(newId);

                    sql.ExecuteNonQuery();

                    if (null != errorNumber.Value && !DBNull.Value.Equals(errorNumber.Value))
                    {
                        if (0 != Convert.ToInt32(errorNumber.Value))
                        {
                            throw new Exception((string)errorMessage.Value);
                        }
                    }
                    Id = Convert.ToInt32(newId.Value);
                }
                finally
                {
                    sql.Connection.Dispose();
                }
            }
        }
        private void Update()
        {
            using (var sql = DbOperations.GetSQLCommand(true))
            {
                try
                {
                    sql.CommandType = CommandType.StoredProcedure;
                    sql.CommandText = "sp_SoftwareFiltersUpdate";
                    sql.Parameters.Add(new SqlParameter("@Id", SqlDbType.Int) { Value = Id });
                    sql.Parameters.Add(new SqlParameter("@ISOCode", SqlDbType.Char) { Value = ISOCode });
                    sql.Parameters.Add(new SqlParameter("@Description", SqlDbType.NVarChar, 255) { Value = Description });
                    sql.Parameters.Add(new SqlParameter("@Frequency", SqlDbType.Float) { Value = Frequency });
                    sql.Parameters.Add(new SqlParameter("@LastModified", SqlDbType.DateTime) { Value = LastModified });
                    sql.Parameters.Add(new SqlParameter("@LastModifiedBy", SqlDbType.NVarChar, 255) { Value = LastModifiedBy });
                    sql.Parameters.Add(new SqlParameter("@IsDefault", SqlDbType.Bit) { Value = IsDefault });
                    var errorNumber = new SqlParameter("@errorNumber", SqlDbType.Int) { Direction = ParameterDirection.Output };
                    sql.Parameters.Add(errorNumber);
                    var errorMessage = new SqlParameter("@errorMessage", SqlDbType.NVarChar, 255) { Direction = ParameterDirection.Output };
                    sql.Parameters.Add(errorMessage);

                    sql.ExecuteNonQuery();

                    if (null != errorNumber.Value && !DBNull.Value.Equals(errorNumber.Value))
                    {
                        if (0 != Convert.ToInt32(errorNumber.Value))
                        {
                            throw new Exception((string)errorMessage.Value);
                        }
                    }
                }
                finally
                {
                    sql.Connection.Dispose();
                }
            }
        }
        public void Delete()
        {
            if (Id <= 0) { return; }
            using (var sql = DbOperations.GetSQLCommand(true))
            {
                sql.CommandType = CommandType.StoredProcedure;
                sql.CommandText = "sp_SoftwareFiltersDelete";
                sql.Parameters.Add(new SqlParameter("@Id", SqlDbType.Int) { Value = Id });
                var errorNumber = new SqlParameter("@errorNumber", SqlDbType.Int) { Direction = ParameterDirection.Output };
                sql.Parameters.Add(errorNumber);
                var errorMessage = new SqlParameter("@errorMessage", SqlDbType.NVarChar, 255) { Direction = ParameterDirection.Output };
                sql.Parameters.Add(errorMessage);
                sql.ExecuteNonQuery();

                if (null != errorNumber.Value && !DBNull.Value.Equals(errorNumber.Value))
                {
                    if (0 != Convert.ToInt32(errorNumber.Value))
                    {
                        throw new Exception((string)errorMessage.Value);
                    }
                }
            }
        }

        public SoftwareFilter() { }
        public SoftwareFilter(int id, string description, char isoCode, DateTime lastModified, string lastModifiedBy, double frequency, bool isDefault)
        {
            Id = id;
            Description = description;
            ISOCode = isoCode;
            LastModified = lastModified;
            LastModifiedBy = lastModifiedBy;
            Frequency = frequency;
            IsDefault = isDefault;
        }
        public bool IsBlank()
        {
            if (Id > 0) { return false; }
            if (!string.IsNullOrWhiteSpace(Description)) { return false; }
            if (Frequency != 0D) { return false; }
            return true;
        }
        public static ISoftwareFilter[] GetSoftwareFilters()
        {
            var filters = new List<ISoftwareFilter>();
            using (var sql = DbOperations.GetSQLCommand(true))
            {
                try
                {
                    sql.CommandType = CommandType.StoredProcedure;
                    sql.CommandText = "sp_SoftwareFiltersGet";
                    sql.Parameters.Add(new SqlParameter("@Id", SqlDbType.Int) { Value = null });
                    sql.Parameters.Add(new SqlParameter("@Description", SqlDbType.NVarChar, 255) { Value = null });
                    sql.Parameters.Add(new SqlParameter("@ISOCode", SqlDbType.Char, 1) { Value = null });
                    var reader = sql.ExecuteReader();
                    while (reader.Read())
                    {
                        var id = Convert.ToInt32(reader["Id"]);
                        var description = Convert.ToString(reader["Description"]);
                        var isoCode = Convert.ToChar(reader["ISOCode"]);
                        var frequency = Convert.ToDouble(reader["Frequency"]);
                        var lastModified = Convert.ToDateTime(reader["LastModified"]);
                        var lastModifiedBy = Convert.ToString(reader["LastModifiedBy"]);
                        var isDefault = Convert.ToBoolean(reader["IsDefault"]);
                        filters.Add(new SoftwareFilter(id, description, isoCode, lastModified, lastModifiedBy, frequency, isDefault));
                    }
                }
                finally
                {
                    sql.Connection.Dispose();
                }
            }
            return filters.ToArray();
        }
    }
}