using Microsoft.AspNetCore.Mvc;
using ScrapperAPI.Dtos;
using ScrapperAPI.Interfaces;

namespace ScrapperAPI.Controllers;

[ApiController]
[Route("extraction-runs")]
public sealed class ExtractionRunsController : ControllerBase
{
    private readonly IExtractionCoordinator _coord;
    private readonly IExtractionRunRepository _runs;
    private readonly IExtractedDataRepository _extracted;

    public ExtractionRunsController(
        IExtractionCoordinator coord,
        IExtractionRunRepository runs,
        IExtractedDataRepository extracted)
    {
        _coord = coord;
        _runs = runs;
        _extracted = extracted;
    }

    /// <summary>
    /// Inicia uma extração em background (cria um run).
    /// </summary>
    [HttpPost]
    public async Task<IActionResult> Start([FromBody] StartExtractionRequest req, CancellationToken ct)
    {
        var runId = await _coord.StartRunAsync(req, ct);
        return Accepted(new { runId });
    }

    [HttpGet("{runId:long}")]
    public async Task<IActionResult> GetRun(long runId, CancellationToken ct)
    {
        var row = await _runs.GetByIdAsync(runId, ct);
        if (row is null) return NotFound();

        var runtime = _coord.GetRuntimeStatus(runId);
        return Ok(new { run = row, runtime });
    }

    /// <summary>
    /// Lista os dados extraídos de uma sessão por modelo.
    /// GET /extraction-runs/session/1/model/10
    /// </summary>
    [HttpGet("session/{sessionId:int}/model/{modelId:long}")]
    public async Task<IActionResult> ListExtracted(int sessionId, long modelId, CancellationToken ct)
    {
        var rows = await _extracted.ListBySessionAsync(sessionId, modelId, ct);
        return Ok(rows);
    }

    /// <summary>
    /// Pega o JSON extraído de um item específico.
    /// GET /extraction-runs/queue/123/model/10
    /// </summary>
    [HttpGet("queue/{queueId:int}/model/{modelId:long}")]
    public async Task<IActionResult> GetByQueue(int queueId, long modelId, CancellationToken ct)
    {
        var row = await _extracted.GetByQueueIdAsync(queueId, modelId, ct);
        return row is null ? NotFound() : Ok(row);
    }
}