using CoreAgent.Domain.Interfaces.Common;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;

namespace CoreAgent.Infrastructure.Services.Common;

/// <summary>
/// 服务作用域管理器实现
/// 用于在单例服务中创建瞬时服务
/// </summary>
public class ServiceScopeManager : IServiceScopeManager
{
    private readonly IServiceScopeFactory _scopeFactory;
    private readonly ILogger<ServiceScopeManager> _logger;

    public ServiceScopeManager(
        IServiceScopeFactory scopeFactory,
        ILogger<ServiceScopeManager> logger)
    {
        _scopeFactory = scopeFactory ?? throw new ArgumentNullException(nameof(scopeFactory));
        _logger = logger ?? throw new ArgumentNullException(nameof(logger));
    }

    /// <summary>
    /// 在作用域中执行异步操作
    /// </summary>
    /// <typeparam name="T">返回类型</typeparam>
    /// <param name="operation">要执行的操作</param>
    /// <returns>操作结果</returns>
    public async Task<T> ExecuteInScopeAsync<T>(Func<IServiceProvider, Task<T>> operation)
    {
        if (operation == null)
            throw new ArgumentNullException(nameof(operation));

        using var scope = _scopeFactory.CreateScope();
        var serviceProvider = scope.ServiceProvider;
        
        try
        {
            _logger.LogDebug("开始在执行作用域中执行异步操作");
            var result = await operation(serviceProvider);
            _logger.LogDebug("在执行作用域中执行异步操作完成");
            return result;
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "在执行作用域中执行异步操作时发生异常");
            throw;
        }
    }

    /// <summary>
    /// 在作用域中执行异步操作（无返回值）
    /// </summary>
    /// <param name="operation">要执行的操作</param>
    /// <returns>任务</returns>
    public async Task ExecuteInScopeAsync(Func<IServiceProvider, Task> operation)
    {
        if (operation == null)
            throw new ArgumentNullException(nameof(operation));

        using var scope = _scopeFactory.CreateScope();
        var serviceProvider = scope.ServiceProvider;
        
        try
        {
            _logger.LogDebug("开始在执行作用域中执行异步操作");
            await operation(serviceProvider);
            _logger.LogDebug("在执行作用域中执行异步操作完成");
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "在执行作用域中执行异步操作时发生异常");
            throw;
        }
    }

    /// <summary>
    /// 在作用域中执行同步操作
    /// </summary>
    /// <typeparam name="T">返回类型</typeparam>
    /// <param name="operation">要执行的操作</param>
    /// <returns>操作结果</returns>
    public T ExecuteInScope<T>(Func<IServiceProvider, T> operation)
    {
        if (operation == null)
            throw new ArgumentNullException(nameof(operation));

        using var scope = _scopeFactory.CreateScope();
        var serviceProvider = scope.ServiceProvider;
        
        try
        {
            _logger.LogDebug("开始在执行作用域中执行同步操作");
            var result = operation(serviceProvider);
            _logger.LogDebug("在执行作用域中执行同步操作完成");
            return result;
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "在执行作用域中执行同步操作时发生异常");
            throw;
        }
    }

    /// <summary>
    /// 在作用域中执行同步操作（无返回值）
    /// </summary>
    /// <param name="operation">要执行的操作</param>
    public void ExecuteInScope(Action<IServiceProvider> operation)
    {
        if (operation == null)
            throw new ArgumentNullException(nameof(operation));

        using var scope = _scopeFactory.CreateScope();
        var serviceProvider = scope.ServiceProvider;
        
        try
        {
            _logger.LogDebug("开始在执行作用域中执行同步操作");
            operation(serviceProvider);
            _logger.LogDebug("在执行作用域中执行同步操作完成");
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "在执行作用域中执行同步操作时发生异常");
            throw;
        }
    }
}