using System.Text.Json;
using FLSBLL.Session;
using FastEndpoints;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.DTO.Framework.ResponseStandard;
using GB5Shared.FastEndPoint;
using static GB5Shared.GB5Constant.Constant;

namespace FLSSL.Endpoints.Session;

// Public endpoint — token is the auth mechanism. No Login header required.
public class OpenFlsSession : BaseEndpoint<OpenFlsSession.Params, ResponseStandardDTO<object>>
{
    private readonly IFlsSessionBLL _bll;

    public OpenFlsSession(IFlsSessionBLL bll) => _bll = bll;

    public override void Configure()
    {
        Post("/Session/OpenFlsSession");
        AllowAnonymous();
    }

    public record Params(
        [property: QueryParam] Guid Token);

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

    protected override async Task<ResponseStandardDTO<object>> ExecuteAsync(
        Params req, LoginDTO login, CancellationToken ct)
    {
        try
        {
            var ipAddress = HttpContext.Connection.RemoteIpAddress?.ToString();
            var userAgent = HttpContext.Request.Headers.UserAgent.FirstOrDefault();

            var ctx = await _bll.OpenSessionAsync(req.Token, ipAddress, userAgent, ct);
            var result = JsonSerializer.Serialize(ctx);
            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);
        }
    }
}