package org.hso.ecommerce.controller;

import org.hso.ecommerce.entities.shop.Address;
import org.hso.ecommerce.entities.user.User;
import org.hso.ecommerce.repos.user.UserRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.util.Optional;

@Controller
public class RegisterController {

	@Autowired
	private final UserRepository userRepository = null;

	@PostMapping("/register")
	public String registerPost(HttpServletRequest request, HttpServletResponse response,
			@RequestParam("username") String username, @RequestParam("password") String password,
			@RequestParam("password2") String password2, @RequestParam("salutation") String salutation,
			@RequestParam("name") String name, @RequestParam("address") String address,
			HttpSession session) {
		Optional<User> user = userRepository.findByEmail(username);
		if (user.isPresent()) {
			request.setAttribute("error", "Die Email Adresse existiert bereits.");
			response.setStatus(HttpServletResponse.SC_EXPECTATION_FAILED);
			return "register";
		}

		if (!password.equals(password2)) {
			request.setAttribute("error", "Die Passwörter stimmen nicht überein.");
			response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
			return "register";
		}

		// set values for new user
		User newUser = new User();
		newUser.email = username;
		newUser.setPassword(password);
		newUser.email = username;
		newUser.isEmployee = false;
		newUser.salutation = salutation;
		newUser.defaultPayment = null;

		newUser.isActive = true;
		newUser.created = new java.sql.Timestamp(System.currentTimeMillis());

		Address newAddress = new Address();
		newAddress.name = name;
		newAddress.addressString = address;
		newUser.defaultDeliveryAddress = newAddress;

		userRepository.save(newUser); // save newUser

		user = userRepository.findByEmail(username);
		session.setAttribute("userId", user.get().getId());

		String gto = (String) session.getAttribute("afterLogin");

		//login after register
		if (gto != null && gto.startsWith("/")) {
			return "redirect:" + gto;	
		} else {
			return "redirect:/";
		}

	}

	@GetMapping("/register")
	public String register() {
		return "register";
	}
}