using Foxnouns.Backend.Utils;
using Microsoft.AspNetCore.Mvc;

namespace Foxnouns.Backend.Controllers;

[Route("/api/v2/meta")]
public class MetaController : ApiControllerBase
{
    private const string Repository = "https://codeberg.org/pronounscc/pronouns.cc";

    [HttpGet]
    [ProducesResponseType<MetaResponse>(StatusCodes.Status200OK)]
    public IActionResult GetMeta()
    {
        return Ok(new MetaResponse(
            Repository, BuildInfo.Version, BuildInfo.Hash, (int)FoxnounsMetrics.MemberCount.Value,
            new UserInfo(
                (int)FoxnounsMetrics.UsersCount.Value,
                (int)FoxnounsMetrics.UsersActiveMonthCount.Value,
                (int)FoxnounsMetrics.UsersActiveWeekCount.Value,
                (int)FoxnounsMetrics.UsersActiveDayCount.Value
            ),
            new Limits(
                MemberCount: MembersController.MaxMemberCount,
                BioLength: ValidationUtils.MaxBioLength))
        );
    }

    [HttpGet("/api/v2/coffee")]
    public IActionResult BrewCoffee() => Problem("Sorry, I'm a teapot!", statusCode: StatusCodes.Status418ImATeapot);

    private record MetaResponse(string Repository, string Version, string Hash, int Members, UserInfo Users, Limits Limits);

    private record UserInfo(int Total, int ActiveMonth, int ActiveWeek, int ActiveDay);

    // All limits that the frontend should know about (for UI purposes)
    private record Limits(
        int MemberCount,
        int BioLength);
}