package ru.charm.back.controller;

import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import ru.charm.back.service.ContentService;

import java.io.IOException;

import static jakarta.servlet.http.HttpServletResponse.SC_NOT_FOUND;

@WebServlet("/content/*")
@Slf4j
public class ContentController extends HttpServlet {

    private final ContentService service = ContentService.getInstance();

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        try {
            String contentPath = req.getRequestURI().replace("/content/", "");
            resp.setContentType("application/octet-stream");
            service.download(contentPath, resp.getOutputStream());
            log.info("Content successfully downloaded: {}", contentPath);
        } catch (IOException e) {
            log.error("Content download failed: {}", e.getMessage());
            resp.sendError(SC_NOT_FOUND);
        }
    }
}