using System;
using System.IO;
using System.Xml;
using System.Xml.Serialization;

namespace SeedKiln
{
    public class Config
    {
        [NonSerialized]
        private static Config _cfg;


        public static string GetConfigFileName()
        {
            string location = typeof(SeedKiln).Assembly.Location;
            return Path.Combine(Path.GetDirectoryName(location), "SeedKiln.xml");
        }

        public static Config Cfg
        {
            get
            {
                if (Config._cfg != null)
                {
                    return Config._cfg;
                }
                else
                {
                    if (!File.Exists(Config.GetConfigFileName()))
                    {
                        Debug.Log("[SeedKiln] Config file not found (" + Config.GetConfigFileName() + "). Creating new one with default values.");
                        Config._cfg = new Config();
                        try
                        {
                            using (StreamWriter streamWriter = new StreamWriter(Config.GetConfigFileName()))
                            {
                                XmlSerializer xmlSerializer = new XmlSerializer(typeof(Config));
                                xmlSerializer.Serialize(streamWriter, Config._cfg);
                                streamWriter.Flush();
                            }
                        }
                        catch (Exception ex)
                        {
                            Debug.Log("[SeedKiln] Something goes wrong, can not save config (" + Config.GetConfigFileName() + "), Exception: " + ex.ToString());
                        }
                        return Config._cfg;
                    }
                    else
                    {
                        try
                        {
                            using (FileStream fileStream = File.OpenRead(Config.GetConfigFileName()))
                            {
                                XmlSerializer xmlSerializer2 = new XmlSerializer(typeof(Config));
                                Config._cfg = (xmlSerializer2.Deserialize(fileStream) as Config);
                            }
                        }
                        catch (Exception ex2)
                        {
                            Debug.Log("[SeedKiln] Something goes wrong, can not load config (" + Config.GetConfigFileName() + "), Exception: " + ex2.ToString());
                            Config._cfg = new Config();
                        }


                        return Config._cfg;
                    }
                }
            }
        }
    }
}