using Creative.Models;
using Creative.Security;
using Creative.Services;
using Microsoft.AspNetCore.Mvc;

namespace Creative.Controllers;

/// <summary>
/// Internal endpoint called by Gateway.
/// Single dispatch point: POST /internal/execute
/// </summary>
[ApiController]
[Route("internal")]
public class InternalController : ControllerBase
{
    private readonly CreativeService _service;
    private readonly ILogger<InternalController> _logger;

    public InternalController(CreativeService service, ILogger<InternalController> logger)
    {
        _service = service;
        _logger = logger;
    }

    /// <summary>
    /// Execute a creative operation.
    /// Called by Gateway with X-Internal-Key header.
    /// </summary>
    [HttpPost("execute")]
    [ServiceFilter(typeof(InternalAuthFilter))]
    public async Task<IActionResult> Execute(
        [FromBody] CreativeRequest request,
        CancellationToken ct)
    {
        var requestId = Request.Headers["X-Request-Id"].FirstOrDefault()
            ?? request.RequestId
            ?? Guid.NewGuid().ToString("N");

        request.RequestId = requestId;

        _logger.LogInformation("[Internal] {Operation} | RequestId={RequestId}",
            request.Operation, requestId);

        var result = await _service.ExecuteAsync(request, ct);

        return result.Ok ? Ok(result) : BadRequest(result);
    }
}