using System.Text.Json;
using jtom38.Newsbot.Domain.Models;

namespace jtom38.Newsbot.Services;

public static class ConfigClient
{
    public static async Task<ConfigModel> LoadAsync()
    {
        var blank = new ConfigModel();
        try
        {
            var cfg = await LoadFileAsync();
            return cfg;
        }
        catch (DirectoryNotFoundException)
        {
            Directory.CreateDirectory(GetConfigPath());
            await SaveAsync(blank);
            return blank;
        }
        catch (FileNotFoundException)
        {
            await SaveAsync(blank);
            return blank;
        }
    }

    public static async Task SaveAsync(ConfigModel config)
    {
        var jsonString = JsonSerializer.Serialize(config, new JsonSerializerOptions { WriteIndented = true});
        await File.WriteAllTextAsync(GetConfigPath(), jsonString);
    }

    private static string GetConfigDirectory()
    {
        var appDataPath = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
        var path = Path.Join(appDataPath, "newsbot-cli");

        return path;
    }
    
    private static string GetConfigPath()
    {
        var path = Path.Join(GetConfigDirectory(), "config.json");
        return path;
    }

    private static async Task<ConfigModel> LoadFileAsync()
    {
        var content = await File.ReadAllTextAsync(GetConfigPath());
        var res = JsonSerializer.Deserialize<ConfigModel>(content);
        return res ?? new ConfigModel();
    }
}