using YY.Admin.Core;

namespace YY.Admin.Services.Service;

/// <summary>
/// 胶料快检相关 MES 只读数据（实验标准、密炼计划）专用轮询管理器。
/// </summary>
public class MesQuickTestDataPollManager : ISingletonDependency
{
    public static readonly TimeSpan PollInterval = TimeSpan.FromSeconds(2);

    private readonly List<(string Name, Func<Task> Task)> _tasks = [];
    private readonly Timer _timer;
    private readonly ILoggerService _logger;
    private volatile bool _tickRunning;

    public MesQuickTestDataPollManager(ILoggerService logger)
    {
        _logger = logger;
        _timer = new Timer(OnTick, null, PollInterval, PollInterval);
        _logger.Information($"[快检数据轮询] 已启动，间隔 {PollInterval.TotalSeconds} 秒");
    }

    public void Register(string name, Func<Task> pollTask)
    {
        lock (_tasks)
            _tasks.Add((name, pollTask));
        _logger.Information($"[快检数据轮询] 注册任务: {name}");
    }

    private void OnTick(object? _)
    {
        if (_tickRunning) return;

        _ = Task.Run(async () =>
        {
            if (_tickRunning) return;
            _tickRunning = true;
            try
            {
                List<(string Name, Func<Task> Task)> snapshot;
                lock (_tasks) snapshot = [.. _tasks];

                foreach (var (name, task) in snapshot)
                {
                    try
                    {
                        await task().ConfigureAwait(false);
                    }
                    catch (Exception ex)
                    {
                        _logger.Warning($"[快检数据轮询] 任务 [{name}] 异常: {ex.Message}");
                    }
                }
            }
            finally
            {
                _tickRunning = false;
            }
        });
    }
}