using GoodBooks.FrameworkBLL.Authentication;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using static GB5Shared.GB5Constant.Constant;
using FastEndpoints;

namespace FrameworkSL.Endpoints.Authentication
{
    /// <summary>
    /// Terminates the caller's session immediately.
    /// Removes the session row from MSESSIONSTORE so that the next API call
    /// from this LoginEventLogId receives 401 from SessionHeartbeatMiddleware.
    /// </summary>
    public class Logout : BaseEndpoint<Logout.LogoutParameters, ResponseStandardDTO<object>>
    {
        private readonly IAuthenticationBLL _authBLL;

        public Logout(IAuthenticationBLL authBLL) => _authBLL = authBLL;

        public override void Configure()
        {
            Delete("/Authentication/Logout");
            AllowAnonymous();
        }

        public record LogoutParameters(
            [property: FromHeader] string Login);

        protected override string? GetCacheKey(LogoutParameters req, LoginDTO login) => null;

        protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
            LogoutParameters req, LoginDTO login, CancellationToken ct)
        {
            try
            {
                var result = await _authBLL.LogoutAsync(login, ct);
                return await GB5Shared.ResponseStandard.Response.CreateSuccessResponse(
                    result, CacheKeyLevel.NOT_REQUIRED, login);
            }
            catch (Exception ex)
            {
                return await GB5Shared.ResponseStandard.Response.CreateExceptionError<string>(
                    ex, CacheKeyLevel.NOT_REQUIRED, login, ex.Message, 500);
            }
        }
    }
}