using Backend.ServiceHander;
using Microsoft.AspNetCore.Mvc;

namespace Backend.Controller
{
	[ApiController]
	[Route("api/news-sentiment")]
	public sealed class NewsSentimentController : ControllerBase
	{
		private readonly NewsSentimentService _service;

		public NewsSentimentController(NewsSentimentService service)
		{
			_service = service;
		}

		[HttpGet]
		public async Task<IActionResult> Analyze(
			[FromQuery] string keyword,
			CancellationToken cancellationToken)
		{
			try
			{
				var results = await _service.AnalyzeAsync(keyword, cancellationToken);
				return Ok(results.Select(r => new
				{
					source = r.Source,
					keyword = r.Keyword,
					publishedAt = r.PublishedAt,
					title = r.Title,
					score = r.Score,
					sentimentLabel = r.SentimentLabel,
					url = r.Url
				}));
			}
			catch (ArgumentException ex)
			{
				return BadRequest(ex.Message);
			}
			catch (Exception ex)
			{
				return StatusCode(500, new { error = ex.ToString() });
			}
		}
	}
}