using Microsoft.Extensions.Configuration;

namespace FsToolbox.Cli.Helper
{
    /// <summary>
    ///     Represents the root configuration settings for the application, including API and credentials.
    /// </summary>
    public class AppSettings
    {
        #region Public Properties

        /// <summary>
        ///     Gets the API-related settings.
        /// </summary>
        public ApiSettings Api { get; init; } = new();

        /// <summary>
        ///     Gets the credentials settings for authentication.
        /// </summary>
        public CredentialsSettings Credentials { get; init; } = new();

        #endregion
    }

    /// <summary>
    ///     Contains settings related to the API endpoints.
    /// </summary>
    public class ApiSettings
    {
        #region Public Properties

        /// <summary>
        ///     Gets the base URL for the API, without the /api path segment.
        /// </summary>
        public string BaseUrl { get; init; } = "https://beta.foodsharing.de";

        #endregion
    }

    /// <summary>
    ///     Contains credentials and authentication settings.
    /// </summary>
    public class CredentialsSettings
    {
        #region Public Properties

        /// <summary>
        ///     Gets the email address used for login.
        /// </summary>
        public string Email { get; init; } = string.Empty;

        /// <summary>
        ///     Gets the password used for login.
        /// </summary>
        public string Password { get; init; } = string.Empty;

        /// <summary>
        ///     Gets a value indicating whether two-factor authentication is enabled.
        /// </summary>
        public bool TwoFactorEnabled { get; init; }

        #endregion
    }

    /// <summary>
    ///     Provides access to the current application settings loaded from configuration.
    /// </summary>
    public static class SettingsProvider
    {
        #region Constants

        private static AppSettings? _current;

        #endregion

        #region Public Properties

        /// <summary>
        ///     Gets the current application settings instance.
        /// </summary>
        public static AppSettings Current => _current ??= Load();

        #endregion

        #region Private Method Load

        private static AppSettings Load()
        {
            var configuration = new ConfigurationBuilder()
                .SetBasePath(AppContext.BaseDirectory)
                .AddJsonFile("appsettings.json", false, true)
                .Build();

            var settings = new AppSettings();
            configuration.Bind(settings);
            return settings;
        }

        #endregion
    }
}