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.dto.LoginDto;
import ru.charm.back.dto.ProfileGetDto;
import ru.charm.back.dto.RegistrationDto;
import ru.charm.back.mapper.RequestToLoginDtoMapper;
import ru.charm.back.mapper.RequestToRegistrationDtoMapper;
import ru.charm.back.service.ProfileService;
import ru.charm.back.validator.RegistrationValidator;
import ru.charm.back.validator.ValidationResult;

import java.io.IOException;
import java.util.Optional;

@WebServlet("/login")
@Slf4j
public class LoginController extends HttpServlet {
    private final ProfileService service = ProfileService.getInstance();

    private final RequestToLoginDtoMapper requestTologinDtoMapper = RequestToLoginDtoMapper.getInstance();

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        req.getRequestDispatcher("/WEB-INF/jsp/login.jsp").forward(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException {
        LoginDto dto = requestTologinDtoMapper.map(req);
        Optional<ProfileGetDto> userDetailOpt = service.login(dto);

        if (userDetailOpt.isPresent()) {
            req.getSession().setAttribute("userDetails", userDetailOpt.get());

            resp.sendRedirect(String.format("/profile?id=%s", userDetailOpt.get().getId()));
            return;
        }
        resp.sendRedirect("/login");
    }
}