using System.Text.Json;
using System.IO;

namespace MemScanEDR.Models;

public class AppSettings
{
    public AIConfig AI { get; set; } = AIConfig.DefaultFor(AIProvider.Heuristic);
    public string CeMcpPath { get; set; } = "auto";
    public string CeMcpCommand { get; set; } = "python";
    public string WebHost { get; set; } = "127.0.0.1";
    public int WebPort { get; set; } = 8080;
    public string ScanProfile { get; set; } = "balanced";
    public string LogDir { get; set; } = "./logs";
    public string DbPath { get; set; } = "./data/audit.db";
    public string RulesDir { get; set; } = "./rules";

    private static readonly string SettingsPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "settings.json");

    public void Save()
    {
        var dir = Path.GetDirectoryName(SettingsPath);
        if (!string.IsNullOrEmpty(dir) && !Directory.Exists(dir))
            Directory.CreateDirectory(dir);
        var json = JsonSerializer.Serialize(this, new JsonSerializerOptions { WriteIndented = true });
        File.WriteAllText(SettingsPath, json);
    }

    public static AppSettings Load()
    {
        if (!File.Exists(SettingsPath))
            return new AppSettings();
        try
        {
            var json = File.ReadAllText(SettingsPath);
            return JsonSerializer.Deserialize<AppSettings>(json) ?? new AppSettings();
        }
        catch
        {
            return new AppSettings();
        }
    }
}