package doctorsoffice.Patient;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("/registers")
public class UserController {
    UserService userService;

    @Autowired
    public UserController(UserService userService) {
        this.userService = userService;
    }

    @PostMapping
    public ResponseEntity<UserDto> registerUser(@RequestParam String email, @RequestParam String password, @RequestParam long pesel,
                                                @RequestParam int age, @RequestParam String name, @RequestParam String surname) {
        UserDto newUser = userService.registerUser(email, password, pesel, name, surname, age);
//        HttpHeaders headers = new HttpHeaders();
//        headers.add("Location", "/hello");
//        //return new ResponseEntity<UserDto>(newUser, HttpStatus.CREATED);
        HttpHeaders headers = new HttpHeaders();
        headers.add("Location", "/hello");
        return new ResponseEntity<>(headers, HttpStatus.FOUND);

    }
}


******************************************************************************************************
package doctorsoffice.Security;

import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController

public class LoginController {

    @GetMapping("/hello")
    public String helllo() {
        Authentication auth = SecurityContextHolder.getContext().getAuthentication();
        return auth.getName();
    }
}

*************************************************************************************************************************
package doctorsoffice.Security;

import doctorsoffice.Patient.UserDetailServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpStatus;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.builders.WebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;

@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter {
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.csrf().disable();

        http.authorizeRequests()
                .antMatchers("/*.html").permitAll()
                .anyRequest().permitAll();

         //http.httpBasic();

        http
                .formLogin()
                .loginPage("/users/login")
                .failureHandler((request, response, exception) -> response.sendError(HttpStatus.BAD_REQUEST.value(),
                        "Username or password invalid"))
                .usernameParameter("email")
                .passwordParameter("password")
                .defaultSuccessUrl("/hello").permitAll();
        http
                .logout()
                .logoutUrl("/user/logout")
                .invalidateHttpSession(true)
                .logoutSuccessUrl("/hello")
                .permitAll();
    }


    @Bean
    public PasswordEncoder passwordEncoder() {
        return new BCryptPasswordEncoder();
    }

    @Autowired
    public void configureGlobal(AuthenticationManagerBuilder auth) throws Exception {
        auth.inMemoryAuthentication()
                .withUser("admin").password("pass").roles("ADMIN");
    }

    @Override
    @Bean
    protected UserDetailsService userDetailsService() {
        return new UserDetailServiceImpl();
    }

//    @Override
//    public void configure(WebSecurity web) throws Exception {
//        web.ignoring().antMatchers("/v2/api-docs", "/configuration/ui", "/swagger-resources",
//                "/configuration/security", "/swagger-ui.html", "/webjars/**");
//
//    }
}


***************************************************************************************************************************************

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Login</title>
</head>
<body>
<form action="/users/login" method="post">
    <div>Email : <input type="text" name="email"/></div>
    <div>Password: <input type="password" name="password"/></div>
    <div><input type="submit" value="Sign in"/></div>
</form>
</body>
</html>

************************************************************************************

package doctorsoffice.Patient;

import doctorsoffice.common.LoginAlreadyInUseException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;

import javax.transaction.Transactional;
import java.util.Collections;

@Service
@Transactional
public class UserServiceImpl implements UserService {
    private UserRepository userRepository;
    private UserMapper userMapper;
    private PasswordEncoder passwordEncoder;

    @Autowired
    public UserServiceImpl(UserRepository userRepository, UserMapper userMapper, PasswordEncoder passwordEncoder) {
        this.userRepository = userRepository;
        this.userMapper = userMapper;
        this.passwordEncoder = passwordEncoder;
    }

    @Override
    public UserDto registerUser(String email, String password, Long pesel, String name, String surname, int age) {
        if(userRepository.existsByEmail(email)){
            throw new LoginAlreadyInUseException(email);
        }
        User user = new User();
        user.setAge(age);
        user.setEmail(email);
        user.setName(name);
        user.setSurname(surname);
        user.setPassword(passwordEncoder.encode(password));
        user.setPesel(pesel);
        user.setUserRole(UserRoles.ROLE_USER);
        userRepository.save(user);
        SecurityContext ctx = SecurityContextHolder.getContext();
        Authentication auth =
                new UsernamePasswordAuthenticationToken(user, null, Collections.emptyList());
        ctx.setAuthentication(auth);

        return userMapper.toUserDto(user);

    }
}

*****************************************************************************************************