using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Globalization;
using System.Linq;
using System.Threading;
using System.Web;
using Resources;

namespace Weee.Models
{
    public abstract class MultiLanguage
    {
        [NotMapped]
        [Display(Name = "DisplayName", ResourceType = typeof(Resource))]
        public string DisplayName
        {
            get
            {
                //hack !!... 原來多語系是按照CultureInfo("zh-CN")之類方式處置
                if (Thread.CurrentThread.CurrentUICulture.LCID == new CultureInfo("zh-CN").LCID)
                {
                    return string.IsNullOrEmpty(DisplayNameCN) ? DisplayNameTW : DisplayNameCN;
                }
                else if (Thread.CurrentThread.CurrentUICulture.LCID == new CultureInfo("en-US").LCID)
                {
                    return string.IsNullOrEmpty(DisplayNameEN) ? DisplayNameTW : DisplayNameEN;
                }
                return DisplayNameTW;
            }
        }

        [Required(ErrorMessageResourceType = typeof(Resource),
                  ErrorMessageResourceName = "RequiredMessage")]
        [StringLength(200, ErrorMessageResourceType = typeof(Resource),
                      ErrorMessageResourceName = "MaxLengthMessage200")]
        [Display(Name = "MultiLanguageDisplayNameTW", ResourceType = typeof(Resource))]
        public string DisplayNameTW { get; set; }

        [Display(Name = "MultiLanguageDisplayNameCN", ResourceType = typeof(Resource))]
        public string DisplayNameCN { get; set; }

        [Display(Name = "MultiLanguageDisplayNameEN", ResourceType = typeof(Resource))]
        public string DisplayNameEN { get; set; }
    }
}