using Microsoft.EntityFrameworkCore;
using Pf2eModel.Model.Base;
using System.ComponentModel;
using System.Linq.Expressions;
using System.Reflection;

namespace Pf2eModel.Model.Common.I18n;
public static class LocaleExtension
{
    public static string GetTypeString(this LocaleType localeType)
    {
        FieldInfo fi = localeType.GetType().GetField(localeType.ToString())!;

        DescriptionAttribute[] attributes = (DescriptionAttribute[]) fi.GetCustomAttributes(typeof(DescriptionAttribute), false);

        return (attributes.Length != 0 ? attributes.FirstOrDefault()?.Description : null) ?? localeType.ToString();
    }

    public static LocaleType GetTypeByString(this string localeType)
    {
        foreach (System.Reflection.FieldInfo field in typeof(LocaleType).GetFields())
        {
            if (Attribute.GetCustomAttribute(field, typeof(DescriptionAttribute)) is DescriptionAttribute descriptionAttribute)
            {
                if (descriptionAttribute.Description == localeType)
                {
                    return (LocaleType) field.GetValue(null)!;
                }
            }
        }

        throw new InvalidEnumArgumentException();
    }
    /*
    public static IQueryable<T> WhereLocale(
        this IQueryable<T> query, Expression<Func<T, LocaleString>> expression, string searchTerm) where T : class
    {
        return query.Where(e => DbContext.LocaleSearch(e.Name.ToJson(), searchTerm));
    }

    public static IQueryable<Entity> WhereLocale(
        this IQueryable<Entity> query, ICollection<string> searchTerms)
    {
        return query.Where(e => EF.Functions.LocaleSearchArray(e.Name.ToJson(), searchTerms));
    }*/
}