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

namespace FoxBrowser.Core;

public sealed class AppSettings
{
    public string AppDisplayName { get; set; } = "FoxBrowser";
    public string? AppIconPath { get; set; }
    public Dictionary<string, string> Shortcuts { get; set; } = new();
}

public static class AppSettingsStore
{
    public static string SettingsPath => Path.Combine(AppContext.BaseDirectory, "settings.json");

    private static readonly JsonSerializerOptions JsonOptions = new()
    {
        WriteIndented = true,
        DefaultIgnoreCondition = JsonIgnoreCondition.Never
    };

    public static AppSettings Load()
    {
        try
        {
            if (!File.Exists(SettingsPath)) return new AppSettings();
            var settings = JsonSerializer.Deserialize<AppSettings>(File.ReadAllText(SettingsPath), JsonOptions);
            if (settings is null) return new AppSettings();
            if (string.IsNullOrWhiteSpace(settings.AppDisplayName)) settings.AppDisplayName = "FoxBrowser";
            if (!string.IsNullOrWhiteSpace(settings.AppIconPath) && !File.Exists(settings.AppIconPath))
                settings.AppIconPath = null;
            return settings;
        }
        catch
        {
            return new AppSettings();
        }
    }

    public static void Save(AppSettings settings)
    {
        Directory.CreateDirectory(AppContext.BaseDirectory);
        var tempPath = SettingsPath + ".tmp";
        File.WriteAllText(tempPath, JsonSerializer.Serialize(settings, JsonOptions));
        File.Move(tempPath, SettingsPath, overwrite: true);
    }
}