using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Text.RegularExpressions;

namespace Deltares.Dam.Data
{
    public class DamHelperFunctions
    {
        /// <summary>
        /// Determine a filename based on the different inout parameters
        /// </summary>
        /// <param name="locationName">Name of the location.</param>
        /// <param name="scenarioName">Name of the scenario.</param>
        /// <param name="soilGeometryName">Name of the soil geometry.</param>
        /// <param name="iterationIndex">Index of the iteration.</param>
        /// <returns></returns>
        public static string DetermineCalculationFilename(string locationName, string scenarioName,
            string soilGeometryName, int iterationIndex)
        {
            string calculationName;
            if (iterationIndex < 0)
            {
                calculationName = String.Format("Loc({0})_Sce({1})_Pro({2})", locationName, scenarioName,
                    soilGeometryName);
            }
            else
            {
                calculationName = String.Format("Loc({0})_Sce({1})_Pro({2})_Ite({3})", locationName, scenarioName,
                    soilGeometryName, iterationIndex);
            }
            return Regex.Replace(calculationName, @"[\\\/:\*\?""'<>|.]", "_");
        }

        /// <summary>
        /// Convert Date to time stamp as needed by TNO AnySense.
        /// </summary>
        /// <param name="dateTime">The date time.</param>
        /// <returns></returns>
        public static string DateToTimeStamp(DateTime dateTime)
        {
            // Following 2 lines is an example how to handle customization of this format.
            // TNO at the last moment decided they did not need this change so we change it back to 
            // the default format
            //   string customFormat = "yyyy-MM-dd_HH-mm-ss";
            //   return dateTime.ToString(customFormat);
            return dateTime.ToString("s", DateTimeFormatInfo.InvariantInfo);
        }

        /// <summary>
        /// Determine name of Stability project file
        /// </summary>
        internal static string GetProjectFileName(string dikeName, Location location, int? jobCount, MStabModelType? model, string stabilityWorkingPath, DateTime? dateTime)
        {
            string calculationName = String.Format("Dik({0})_Loc({1})", dikeName, location.Name);
            if (jobCount != null)
            {
                calculationName = calculationName + String.Format("_Stp({0})", jobCount);
            }
            if (model != null)
            {
                calculationName = calculationName + String.Format("_Mdl({0})", model);
            }
            if (dateTime != null)
            {
                calculationName = calculationName + "_" + DateToTimeStamp(dateTime.Value);
            }
            calculationName = Regex.Replace(calculationName, @"[\\\/:\*\?""'<>|.]", "_");
            // assemble the target project file name
            return Path.Combine(stabilityWorkingPath, calculationName + ".sti");
        }

        /// <summary>
        /// Gets the D-GeoStability executable path.
        /// </summary>
        /// <value>
        /// The m stab executable path.
        /// </value>
        public static string MStabExePath
        {
            get
            {
                return Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location),
                    @"DGeoStability.exe");
            }
        }
    }
}