using System.Text.Json;
using NozCli.Core.Serialization;

namespace NozCli.Core.Config;

public class LocalConfig
{
    public string  ServerUrl   { get; set; } = string.Empty;
    public string  Token       { get; set; } = string.Empty;
    /// Default editor (nano, vim, vi, notepad …) — used by 'edit' and 'new'
    public string? Editor      { get; set; } = null;
    /// Editor for the -c flag (code, zed, kate …) — used by 'edit -c' and 'new -c'
    public string? CodeEditor  { get; set; } = null;

    private static readonly string ConfigPath = Path.Combine(
        Environment.GetFolderPath(Environment.SpecialFolder.UserProfile),
        ".config", "noz", "config.json"
    );

    public static LocalConfig? Load()
    {
        if (!File.Exists(ConfigPath)) return null;
        var json = File.ReadAllText(ConfigPath);
        return JsonSerializer.Deserialize(json, NozJsonContext.Default.LocalConfig);
    }

    public void Save()
    {
        Directory.CreateDirectory(Path.GetDirectoryName(ConfigPath)!);
        var json = JsonSerializer.Serialize(this, NozJsonContextPretty.Default.LocalConfig);
        File.WriteAllText(ConfigPath, json);
        if (!OperatingSystem.IsWindows())
            File.SetUnixFileMode(ConfigPath, UnixFileMode.UserRead | UnixFileMode.UserWrite);
    }

    public static bool Exists() => File.Exists(ConfigPath);
}