package com.example.baziproekt.web;

import com.example.baziproekt.model.Korisnici;
import com.example.baziproekt.model.exceptions.InvalidUserCredentialsException;
import com.example.baziproekt.service.KorisniciService;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.HttpServletRequest;


@Controller
@RequestMapping("")
public class LoginController {



    private final KorisniciService service;

    public LoginController(KorisniciService service) {
        this.service = service;
    }

    @GetMapping("/login")
    public String getLoginPage( @RequestParam(required = false) String error, Model model)
    {
        if(error!=null&&!error.isEmpty())
        {model.addAttribute("hasError",true);
        model.addAttribute("error",error);}
        return "login";
    }

    @PostMapping("/login")
    public String login(HttpServletRequest request, Model model)
    {

        try
        {
           Korisnici korisnik=this.service.login(request.getParameter("korisnicko_ime"), request.getParameter("lozinka"));
            request.getSession().setAttribute("korisnik",korisnik);
            return "redirect:/home";

        }
        catch (InvalidUserCredentialsException e)
        {
            return "redirect:/login?hasError=true&error=" + e.getMessage();
        }
    }
}