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

namespace Toak;

public class ToakConfig
{
    public string GroqApiKey { get; set; } = string.Empty;
    public string TypingBackend { get; set; } = "xdotool"; // wtype or xdotool
    public bool ModulePunctuation { get; set; } = true;
    public bool ModuleTechnicalSanitization { get; set; } = true;
    public string StyleMode { get; set; } = "Professional";
    public bool StructureBulletPoints { get; set; } = false;
    public bool StructureSmartParagraphing { get; set; } = true;

    public string WhisperLanguage { get; set; } = string.Empty;
    public string LlmModel { get; set; } = "openai/gpt-oss-20b";
    public string WhisperModel { get; set; } = "whisper-large-v3-turbo";
}

public static class ConfigManager
{
    private static readonly string ConfigDir = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), ".config", "toak");
    private static readonly string ConfigPath = Path.Combine(ConfigDir, "config.json");

    public static ToakConfig LoadConfig()
    {
        if (!File.Exists(ConfigPath))
        {
            return new ToakConfig();
        }

        try
        {
            var json = File.ReadAllText(ConfigPath);
            return JsonSerializer.Deserialize(json, AppJsonSerializerContext.Default.ToakConfig) ?? new ToakConfig();
        }
        catch (Exception)
        {
            return new ToakConfig();
        }
    }

    public static void SaveConfig(ToakConfig config)
    {
        if (!Directory.Exists(ConfigDir))
        {
            Directory.CreateDirectory(ConfigDir);
        }

        var json = JsonSerializer.Serialize(config, AppJsonSerializerContext.Default.ToakConfig);
        File.WriteAllText(ConfigPath, json);
    }
}