using System.IO;
using Raylib_cs;
using Tomlyn;

namespace SzGui;

public static class ApplicationSettings
{
    private static Dictionary<string, object> _settings = new();
    private static readonly string _filePath = "settings.toml";

    public static Dictionary<string, object> GetAllSettings() => _settings;

    public static void CreateInitialSettings()
    {
        CreateSetting("ShowStartup", false);
        CreateSetting("BackgroundColor", Color.DarkGray);
        SaveSettings();
    }
    
    public static T GetSettingValue<T>(string settingName, T defaultValue = default!)
    {
        if (_settings.TryGetValue(settingName, out var value))
        {
            try 
            {
                if (typeof(T) == typeof(float) && value is double d)
                    return (T)(object)(float)d;
                
                return (T)Convert.ChangeType(value, typeof(T));
            }
            catch { return defaultValue; }
        }
        return defaultValue;
    }

    public static bool SetSettingValue(string settingName, object value)
    {
        if (!_settings.ContainsKey(settingName)) return false;
        _settings[settingName] = value;
        return true;
    }

    public static bool CreateSetting(string name, object value)
    {
        return _settings.TryAdd(name, value);
    }

    public static void SaveSettings()
    {
        try
        {
            var saveDict = new Dictionary<string, object>();
        
            foreach(var kvp in _settings)
            {
                if (kvp.Value is Color c)
                    saveDict[kvp.Key] = new int[] { c.R, c.G, c.B };
                else
                    saveDict[kvp.Key] = kvp.Value;
            }

            var tomlString = Toml.FromModel(saveDict);
            File.WriteAllText(_filePath, tomlString);
        }
        catch (Exception ex) { Console.WriteLine($"Save Error: {ex.Message}"); }
    }

    public static void LoadSettings()
    {
        if (!File.Exists(_filePath)) { SaveSettings(); return; }

        try
        {
            var tomlString = File.ReadAllText(_filePath);
            var loaded = Toml.ToModel<Dictionary<string, object>>(tomlString);
            if (loaded != null) _settings = loaded;
        }
        catch (Exception ex) { Console.WriteLine($"Load Error: {ex.Message}"); }
    }
}