using System;
using System.Collections.Generic;
using System.Data.Entity.Design.PluralizationServices;
using System.Globalization;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using CAPI.Custom;

namespace CEP.ConsoleTests
{
    /// <summary>
    /// Resolves Surface names using the Entities type name
    /// </summary>
    /// <example>
    /// var nameResolver = new SurfaceNameResolver(arrayOfAllExistingSurfaceNames);
    /// var typeName = typeof(Quote).Name;
    /// var surfaceName = nameResolver.Resolve(typeName);
    /// </example>
    public class SurfaceNameResolver
    {
        public List<string> SurfaceNames { get; set; } = new List<string>();

        public SurfaceNameResolver(IEnumerable<string> surfaceNames)
        {
            SurfaceNames.AddRange(surfaceNames);
        }

        public string Resolve(string typeName)
        {
            if (typeName.IsEmpty()) return string.Empty;

            // if the type's name comes from the old classes
            //  - oPartsAlternates
            //  - oPartsMaster
            // then just remove the prefix 'o'
            if (typeName[0] == 'o') return typeName.Substring(1);

            // First try matching the pluralized typeName which is most likely the case

            var pluralizedName = PluralizationService.CreateService(CultureInfo.CurrentCulture)
                .Pluralize(typeName);

            var found = SurfaceNames
                .FirstOrDefault(p => pluralizedName.Equals(p, StringComparison.OrdinalIgnoreCase))
                ?? string.Empty;

            if (found.IsNotEmpty()) return found;

            // Next try matching the typeName

            found = SurfaceNames.FirstOrDefault(p => typeName.Equals(p, StringComparison.OrdinalIgnoreCase));

            if (found.IsNotEmpty()) return found;

            return string.Empty;
        }
    }
}