package com.example.demo;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import javax.servlet.http.HttpServletRequest;
import javax.validation.Valid;
import java.security.Principal;

@Controller
public class HomeController {
    @Autowired
    private UserService userService;

    @RequestMapping(value="/register", method = RequestMethod.GET)
    public String showRegistrationPage(Model model){
        model.addAttribute("user", new User());
        return "registration";
    }

    @RequestMapping(value="/register", method = RequestMethod.POST)
    public String processRegistrationPage(
            @Valid @ModelAttribute("user") User user,
            BindingResult result,
            Model model){

        model.addAttribute("user", user);

        if (result.hasErrors()) {
            return "registration";
        } else {
            userService.saveUser(user);
            model.addAttribute("message", "User Account Successfully Created");
        }
        return "index";
    }

    @RequestMapping("/")
    public String index(){
        return "index";
    }

    @RequestMapping("/login")
    public String login(){
        return "login";
    }

    @RequestMapping("/secure")
    public String secure(HttpServletRequest request, Authentication authentication, Principal principal){
        Boolean isAdmin =  request.isUserInRole("ADMIN");
        Boolean isUser =  request.isUserInRole("USER");
        UserDetails userDetails = (UserDetails) authentication.getPrincipal();
        String username = principal.getName();
        return "secure";
    }
}