using CoreAgent.WebSocketTransport.Interfaces;
using CoreAgent.WebSocketTransport.Services;

namespace CoreAgent.WebSocketTransport.Examples;

/// <summary>
/// 组合模式使用示例
/// 展示如何使用 IWebSocketTransport 和 IMessageChannelManager 的组合
/// </summary>
public class CompositionPatternExample
{
    private readonly IWebSocketTransport _webSocketTransport;
    private readonly IMessageChannelManager _channelManager;

    public CompositionPatternExample(IWebSocketTransport webSocketTransport, IMessageChannelManager channelManager)
    {
        _webSocketTransport = webSocketTransport;
        _channelManager = channelManager;
    }

    /// <summary>
    /// 示例：基本使用流程
    /// </summary>
    public async Task BasicUsageAsync()
    {
        // 1. 连接服务器
        await _webSocketTransport.ConnectAsync();
        Console.WriteLine($"连接状态: {_webSocketTransport.IsConnected}");

        // 2. 发送消息 - 通过通道管理器
        await _channelManager.SendChannel.WriteAsync("Hello World");
        await _channelManager.SendChannel.WriteAsync(new { type = "chat", message = "Hello" });
        
        // 3. 接收消息 - 通过通道管理器
        _ = Task.Run(async () =>
        {
            while (!_channelManager.ReceiveChannel.IsCompleted)
            {
                if (_channelManager.ReceiveChannel.TryRead(out var message))
                {
                    Console.WriteLine($"收到消息: {message}");
                }
                await Task.Delay(100);
            }
        });

        // 4. 关闭连接
        await _webSocketTransport.CloseAsync();
    }

    /// <summary>
    /// 示例：优先级消息处理
    /// </summary>
    public async Task PriorityMessageExampleAsync()
    {
        await _webSocketTransport.ConnectAsync();

        // 发送普通消息
        await _channelManager.SendChannel.WriteAsync("Normal message");
        
        // 发送优先级消息
        //await _channelManager.PriorityChannel.WriteAsync("Priority message");
        
        // 等待消息发送完成
        await Task.Delay(1000);
        
        await _webSocketTransport.CloseAsync();
    }

    /// <summary>
    /// 示例：连接状态监控
    /// </summary>
    public async Task ConnectionMonitoringExampleAsync()
    {
        await _webSocketTransport.ConnectAsync();
        
        // 监控连接状态和心跳
        while (_webSocketTransport.IsConnected)
        {
            Console.WriteLine($"连接状态: {_webSocketTransport.IsConnected}");
            Console.WriteLine($"最后心跳: {_webSocketTransport.LastHeartbeat}");
            await Task.Delay(5000);
        }
    }
}