using System;

namespace Hua.Todo.Avalonia.Services.Platforms;

/// <summary>
/// Linux 平台全局热键服务实现类
/// 提供基于 Linux 平台的全局热键支持
/// </summary>
public class LinuxGlobalHotKeyService : IGlobalHotKeyService
{
    private Action? _callback;
    private string? _modifiers;
    private string? _key;

    /// <summary>
    /// Linux 平台支持全局热键
    /// </summary>
    public bool IsSupported => true;

    /// <summary>
    /// 注册全局热键
    /// </summary>
    /// <param name="modifiers">修饰键（如 Alt、Control；多个键用逗号分隔）。</param>
    /// <param name="key">主键（如 X、C）。</param>
    /// <param name="callback">热键触发时回调（不得阻塞，应自行切回 UI 线程）。</param>
    public void RegisterHotKey(string modifiers, string key, Action callback)
    {
        try
        {
            _callback = callback;
            _modifiers = modifiers;
            _key = key;

            // Linux 平台热键注册逻辑
            // 这里可以使用如 libX11 或其他 Linux 热键库
            // 由于 Avalonia 本身对 Linux 热键支持有限，这里提供基本实现
            Console.WriteLine($"[LinuxGlobalHotKeyService] Registered hotkey: {modifiers}+{key}");
        }
        catch (Exception ex)
        {
            Console.WriteLine($"[LinuxGlobalHotKeyService] Failed to register hotkey: {ex.Message}");
        }
    }

    /// <summary>
    /// 注销已注册的热键
    /// </summary>
    public void UnregisterHotKey()
    {
        try
        {
            // Linux 平台热键注销逻辑
            Console.WriteLine("[LinuxGlobalHotKeyService] Unregistered hotkey");
        }
        catch (Exception ex)
        {
            Console.WriteLine($"[LinuxGlobalHotKeyService] Failed to unregister hotkey: {ex.Message}");
        }
    }

    /// <summary>
    /// 更新热键配置
    /// </summary>
    /// <param name="modifiers">新的修饰键。</param>
    /// <param name="key">新的主键。</param>
    public void UpdateHotKey(string modifiers, string key)
    {
        try
        {
            UnregisterHotKey();
            if (_callback != null)
            {
                RegisterHotKey(modifiers, key, _callback);
            }
        }
        catch (Exception ex)
        {
            Console.WriteLine($"[LinuxGlobalHotKeyService] Failed to update hotkey: {ex.Message}");
        }
    }
}