using System;
using System.IO;
using System.Xml.Serialization;
using leak_test_project.Models;

namespace leak_test_project.Utils
{
    public static class ConfigManager
    {
        private static readonly string ConfigPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "config.xml");
        public static AppConfig Current { get; private set; } = new AppConfig();
        public static event EventHandler ConfigChanged;

        static ConfigManager()
        {
            Load();
        }

        public static void Load()
        {
            try
            {
                if (File.Exists(ConfigPath))
                {
                    XmlSerializer serializer = new XmlSerializer(typeof(AppConfig));
                    using (FileStream fs = new FileStream(ConfigPath, FileMode.Open))
                    {
                        Current = (AppConfig)serializer.Deserialize(fs);
                    }
                }
                else
                {
                    Current = new AppConfig();
                    Save(); // 초기 파일 생성
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine($"[Config] Error loading config: {ex.Message}");
                Current = new AppConfig();
            }
        }

        public static void Save()
        {
            try
            {
                XmlSerializer serializer = new XmlSerializer(typeof(AppConfig));
                using (FileStream fs = new FileStream(ConfigPath, FileMode.Create))
                {
                    serializer.Serialize(fs, Current);
                }
                ConfigChanged?.Invoke(null, EventArgs.Empty);
            }
            catch (Exception ex)
            {
                Console.WriteLine($"[Config] Error saving config: {ex.Message}");
            }
        }
    }
}