using ChatServerSpace.Models;
using ChatServerSpace.Services;
using Microsoft.AspNetCore.Mvc;

namespace ChatServerSpace.Controllers
{
    [ApiController]
    [Route("api/[controller]")]
    public class ChatController : ControllerBase
    {
        private readonly IChatService _chatService;
        private readonly ILogger<ChatController> _logger;

        public ChatController(IChatService chatService, ILogger<ChatController> logger)
        {
            _chatService = chatService;
            _logger = logger;
        }

        [HttpPost]
        public async Task<ActionResult<ChatResponse>> Chat([FromBody] ChatRequest request)
        {
            if (string.IsNullOrWhiteSpace(request.SessionId))
            {
                return BadRequest("SessionId is required");
            }

            if (string.IsNullOrWhiteSpace(request.Message))
            {
                return BadRequest("Message is required");
            }

            try
            {
                var response = await _chatService.ProcessMessageAsync(request);
                return Ok(response);
            }
            catch (Exception ex)
            {
                _logger.LogError(ex, "Error processing chat message");
                return StatusCode(500, "An error occurred while processing your message");
            }
        }
    }
}