using CoreAgent.Domain.Interfaces;
using Microsoft.Extensions.Logging;
using System.Runtime.InteropServices;

namespace CoreAgent.Infrastructure.Command;

/// <summary>
/// 命令策略工厂实现
/// </summary>
public class CommandStrategyFactory : ICommandStrategyFactory
{
    private readonly ILogger<CommandStrategyFactory> _logger;
    private readonly ILoggerFactory _loggerFactory;

    public CommandStrategyFactory(ILogger<CommandStrategyFactory> logger, ILoggerFactory loggerFactory)
    {
        _logger = logger;
        _loggerFactory = loggerFactory;
    }

    /// <summary>
    /// 创建适合当前操作系统的命令策略
    /// </summary>
    /// <returns>命令策略实例</returns>
    /// <exception cref="PlatformNotSupportedException">当操作系统不是Windows或Linux时抛出</exception>
    public ICommandStrategy CreateStrategy()
    {
        if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
        {
            _logger.LogInformation("Creating Windows command strategy");
            return new WindowsCommandStrategy(_loggerFactory.CreateLogger<WindowsCommandStrategy>());
        }
        else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
        {
            _logger.LogInformation("Creating Linux command strategy");
            return new LinuxCommandStrategy(_loggerFactory.CreateLogger<LinuxCommandStrategy>());
        }
        else
        {
            _logger.LogError("Unsupported operating system");
            throw new PlatformNotSupportedException("Only Windows and Linux are supported.");
        }
    }
}