using System;

using System.IO;

using System.Text.Json;

namespace SquareSnap

{

public class Settings

{

private static readonly string SettingsFilePath = Path.Combine(

Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData),

"SquareSnap",

"settings.json");

public string? DefaultSaveLocation { get; set; }

public int NextFileNumber { get; set; } = 1;

// Get the next file name in the format SquareCap-YYYYMMDD###

public string GetNextFileName()

{

string dateStr = DateTime.Now.ToString("yyyyMMdd");

string numberStr = NextFileNumber.ToString("D3"); // Pad with leading zeros to 3 digits

// Increment the file number for next time

NextFileNumber++;

Save();

return $"SquareCap-{dateStr}{numberStr}";

}

// Singleton instance

private static Settings? _instance;

public static Settings Instance

{

get

{

if (_instance == null)

{

_instance = Load();

}

return _instance;

}

}

// Load settings from file

private static Settings Load()

{

try

{

// Create directory if it doesn't exist

string? directory = Path.GetDirectoryName(SettingsFilePath);

if (directory != null && !Directory.Exists(directory))

{

Directory.CreateDirectory(directory);

}

// Load settings from file if it exists

if (File.Exists(SettingsFilePath))

{

string json = File.ReadAllText(SettingsFilePath);

var settings = JsonSerializer.Deserialize<Settings>(json);

if (settings != null)

{

return settings;

}

}

}

catch (Exception)

{

// Ignore errors and return default settings

}

// Return default settings

return new Settings();

}

// Save settings to file

public void Save()

{

try

{

string json = JsonSerializer.Serialize(this);

File.WriteAllText(SettingsFilePath, json);

}

catch (Exception)

{

// Ignore errors

}

}

}

}