using System;
using XP.Common.Localization.Enums;

namespace XP.Common.Localization.Events
{
    /// <summary>
    /// 语言切换事件参数 | Language changed event arguments
    /// </summary>
    public class LanguageChangedEventArgs : EventArgs
    {
        /// <summary>
        /// 旧语言 | Old language
        /// </summary>
        public SupportedLanguage OldLanguage { get; }

        /// <summary>
        /// 新语言 | New language
        /// </summary>
        public SupportedLanguage NewLanguage { get; }

        /// <summary>
        /// 切换时间 | Change timestamp
        /// </summary>
        public DateTime Timestamp { get; }

        /// <summary>
        /// 构造函数 | Constructor
        /// </summary>
        /// <param name="oldLanguage">旧语言 | Old language</param>
        /// <param name="newLanguage">新语言 | New language</param>
        public LanguageChangedEventArgs(SupportedLanguage oldLanguage, SupportedLanguage newLanguage)
        {
            OldLanguage = oldLanguage;
            NewLanguage = newLanguage;
            Timestamp = DateTime.Now;
        }
    }
}