using System;
using System.Globalization;

namespace MyAvaloniaApp.Services
{
    /// <summary>
    /// 资源服务接口，用于管理多语言资源
    /// </summary>
    public interface IResourceService
    {
        /// <summary>
        /// 获取字符串资源
        /// </summary>
        /// <param name="key">资源键</param>
        /// <returns>资源值</returns>
        string GetString(string key);
        
        /// <summary>
        /// 获取字符串资源，支持格式化参数
        /// </summary>
        /// <param name="key">资源键</param>
        /// <param name="args">格式化参数</param>
        /// <returns>格式化后的资源值</returns>
        string GetString(string key, params object[] args);
        
        /// <summary>
        /// 设置当前语言
        /// </summary>
        /// <param name="culture">文化信息</param>
        void SetCulture(CultureInfo culture);
        
        /// <summary>
        /// 获取当前语言
        /// </summary>
        /// <returns>当前文化信息</returns>
        CultureInfo GetCurrentCulture();
        
        /// <summary>
        /// 语言变更事件
        /// </summary>
        event EventHandler<CultureInfo>? CultureChanged;
    }
}