using System;
using System.Data;
using System.Data.SqlClient;
using DTS.Common.Storage;
using DTS.Common.Utilities.Logging;

namespace DTS.Common.Settings
{
    /// <summary>
    /// generic base class for settings
    /// </summary>
    public abstract class Setting
    {
        protected string _propertyId;
        /// <summary>
        /// string id of property
        /// </summary>
        public string PropertyId => _propertyId;
        protected int _propertyType;
        /// <summary>
        /// type of property (global or user specific)
        /// </summary>
        public PropertyTypes PropertyType => (PropertyTypes)_propertyType;
        protected string _propertyValue;
        /// <summary>
        /// value of property
        /// does not currently do length checking and there is a max length
        /// </summary>
        public string PropertyValue => _propertyValue;
        protected string _userId;
        /// <summary>
        /// User for user specific settings
        /// </summary>
        public string UserId => _userId;

        public enum PropertyTypes
        {
            User = 1 << 0,
            Global = 1 << 1
        }

        protected Setting(string id, PropertyTypes type, string defaultPropertyValue, string userId)
        {
            _userId = userId;
            _propertyId = id;
            _propertyType = (int)type;
            if (!string.IsNullOrWhiteSpace(id))
            {
                GetPropertyValue(defaultPropertyValue);
            }
        }

        protected abstract void GetPropertyValue(string defaultValue);

        public void SetValue(string value)
        {
            _propertyValue = value;
            StoreInDB();
        }

        protected void StoreInDB()
        {
            try
            {
                using (var cmd = DbOperations.GetSQLCommand(true))
                {
                    try
                    {
                        cmd.CommandType = CommandType.StoredProcedure;
                        cmd.CommandText = DbOperationsEnum.StoredProcedure.sp_SettingsUpdateInsert.ToString();

                        #region params

                        cmd.Parameters.Add(
                            new SqlParameter("@PropertyId", SqlDbType.NVarChar, 255) { Value = PropertyId });
                        cmd.Parameters.Add(new SqlParameter("@PropertyType", SqlDbType.Int) { Value = _propertyType });
                        cmd.Parameters.Add(
                            new SqlParameter("@PropertyValue", SqlDbType.NVarChar, 255) { Value = PropertyValue });
                        cmd.Parameters.Add(new SqlParameter("@UserId", SqlDbType.NVarChar, 255) { Value = UserId });
                        var newIdParam =
                            new SqlParameter("@new_id", SqlDbType.Int) { Direction = ParameterDirection.Output };
                        cmd.Parameters.Add(newIdParam);
                        var errorNumberParam =
                            new SqlParameter("@errorNumber", SqlDbType.Int) { Direction = ParameterDirection.Output };
                        cmd.Parameters.Add(errorNumberParam);
                        var errorMessageParam =
                            new SqlParameter("@errorMessage", SqlDbType.NVarChar, 250)
                            {
                                Direction = ParameterDirection.Output
                            };
                        cmd.Parameters.Add(errorMessageParam);

                        #endregion params

                        cmd.ExecuteNonQuery();
                        if (int.Parse(errorNumberParam.Value.ToString()) != 0)
                        {
                            //errorMessageParam.Value
                        }
                    }
                    finally
                    {
                        cmd.Connection.Dispose();
                    }
                }
            }
            catch (Exception ex) { APILogger.LogException(ex); }
        }
    }
}