using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Config.Entities;
using TBF.BenchControl;

namespace TBF.BenchControl.Configs
{
    public class ConfigCtrlUtils : UserControl
    {
        protected PageOrientation GetOrientation(string str)
        {
            if (str.Equals(PageOrientation.Landscape.ToString())) return PageOrientation.Landscape;
            if (str.Equals(PageOrientation.Portrait.ToString())) return PageOrientation.Portrait;
            return (PageOrientation)(-1);
        }

        /// <summary>
        /// Updates destination variable when its value differes from the source value.
        /// Returns appropriate flags
        /// </summary>
        /// <param name="cfgVar">Reference to destination variable</param>
        /// <param name="intVal">Source value</param>
        /// <param name="flagsWhenUpdated">Flags returned when an update occurs</param>
        /// <returns>Flags or 0</returns>
        protected CfgUpdateFlags UpdateDifferent(ref int cfgVar, int intVal, CfgUpdateFlags flagsWhenUpdated)
        {
            if (cfgVar != intVal) { cfgVar = intVal; return flagsWhenUpdated; } else return 0;
        }

        /// <summary>
        /// Updates destination variable when its value differes from the source value.
        /// Returns appropriate flags
        /// </summary>
        /// <param name="cfgVar">Reference to destination variable</param>
        /// <param name="toBeParsedString">Source integer value is obtained by parsing this string</param>
        /// <param name="flagsWhenUpdated">Flags returned when an update occurs</param>
        /// <returns>Flags or 0</returns>
        protected CfgUpdateFlags UpdateDifferent(ref int cfgVar, string toBeParsedString, CfgUpdateFlags flagsWhenUpdated)
        {
            int itmp = int.Parse(toBeParsedString);
            if (cfgVar != itmp) { cfgVar = itmp; return flagsWhenUpdated; } else return 0;
        }

        /// <summary>
        /// Updates destination variable when its value differes from the source value.
        /// Returns appropriate flags
        /// </summary>
        /// <param name="cfgVar">Reference to destination variable</param>
        /// <param name="boolVal">Source value</param>
        /// <param name="flagsWhenUpdated">Flags returned when an update occurs</param>
        /// <returns>Flags or 0</returns>
        protected CfgUpdateFlags UpdateDifferent(ref bool cfgVar, bool boolVal, CfgUpdateFlags flagsWhenUpdated)
        {
            if (cfgVar != boolVal) { cfgVar = boolVal; return flagsWhenUpdated; } else return 0;
        }

        /// <summary>
        /// Updates destination variable when its value differes from the source value.
        /// Returns appropriate flags
        /// </summary>
        /// <param name="cfgVar">Reference to destination variable</param>
        /// <param name="stringVal">Source value</param>
        /// <param name="flagsWhenUpdated">Flags returned when an update occurs</param>
        /// <returns>Flags or 0</returns>
        protected CfgUpdateFlags UpdateDifferent(ref string cfgVar, string stringVal, CfgUpdateFlags flagsWhenUpdated)
        {
            if (cfgVar != stringVal) { cfgVar = stringVal; return flagsWhenUpdated; } else return 0;
        }

        /// <summary>
        /// Updates destination variable when its value differes from the source value.
        /// Returns appropriate flags
        /// </summary>
        /// <param name="cfgVar">Reference to destination array</param>
        /// <param name="stringArrVal">Source array of strings</param>
        /// <param name="flagsWhenUpdated">Flags returned when an update occurs</param>
        /// <returns>Flags or 0</returns>
        protected CfgUpdateFlags UpdateDifferent(ref string[] cfgVar, string[] stringArrVal, CfgUpdateFlags flagsWhenUpdated)
        {
            if (cfgVar == null && stringArrVal == null)
            {
                return 0;
            }
            else if (cfgVar == null || stringArrVal == null || !cfgVar.SequenceEqual<string>(stringArrVal))
            {
                cfgVar = stringArrVal;
                return flagsWhenUpdated;
            }
            else
            {
                return 0;
            }
        }
    }
}