using DeepDrftData;
using Microsoft.AspNetCore.Mvc;

namespace DeepDrftAPI.Controllers;

[ApiController]
[Route("api/[controller]")]
public class StatsController : ControllerBase
{
    private readonly ITrackService _sqlTrackService;
    private readonly ILogger<StatsController> _logger;

    public StatsController(ITrackService sqlTrackService, ILogger<StatsController> logger)
    {
        _sqlTrackService = sqlTrackService;
        _logger = logger;
    }

    // GET api/stats/home (unauthenticated)
    // Aggregate figures behind the public home hero stat row — one read for all three cards. Same auth
    // posture as the other public browse reads (GET api/track/page). The aggregation lives in the SQL
    // service/repository; this controller stays a thin HTTP boundary.
    [HttpGet("home")]
    public async Task<ActionResult> GetHome(CancellationToken ct = default)
    {
        var result = await _sqlTrackService.GetHomeStats(ct);
        if (!result.Success || result.Value is null)
        {
            var error = result.Messages.FirstOrDefault()?.Message ?? "Unknown error";
            _logger.LogError("GetHome stats failed: {Error}", error);
            return StatusCode(500, "Failed to load stats");
        }

        return Ok(result.Value);
    }
}