package com.tbb.demo.config;

import com.tbb.demo.domain.UsersService;
import com.tbb.demo.exception.NonexisitngEntityException;
import com.tbb.demo.security.JwtAuthenticationFilter;
import com.tbb.demo.security.JwtAuthorizationFilter;
import com.tbb.demo.security.RestAuthenticationEntryPoint;
import com.tbb.demo.security.RestSavedRequestAwareAuthenticationSuccessHandler;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpMethod;
import org.springframework.http.HttpStatus;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler;
import org.springframework.security.web.authentication.logout.HttpStatusReturningLogoutSuccessHandler;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.CorsConfigurationSource;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;

import java.util.Arrays;
import java.util.Collections;

@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Autowired
    private UsersService usersService;

    @Override
    protected void configure(HttpSecurity http) throws Exception {
                http.csrf().disable()
                .cors().and()
                .authorizeRequests()
                //TODO:Change this
                .antMatchers("/api/public").permitAll()
                .anyRequest().authenticated()
                .and()
                .addFilter(new JwtAuthenticationFilter(authenticationManager()))
                .addFilter(new JwtAuthorizationFilter(authenticationManager()))
                .sessionManagement()
                .sessionCreationPolicy(SessionCreationPolicy.STATELESS)
                .and()
                .logout()

                .deleteCookies("JSESSIONID")
                .clearAuthentication(true)
                .invalidateHttpSession(true)
                .logoutUrl("/api/logout")
                .logoutSuccessHandler(new HttpStatusReturningLogoutSuccessHandler(HttpStatus.ACCEPTED));
        ;
    }
    @Override
    public void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(username -> usersService.findByUsername(username));

    }

    @Bean
    public CorsConfigurationSource corsConfigurationSource() {
        final CorsConfiguration configuration = new CorsConfiguration();
        configuration.setAllowedOrigins(Arrays.asList("*"));
        configuration.setAllowedMethods(Arrays.asList("HEAD", "GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS"));
        configuration.setAllowCredentials(true);
        configuration.setAllowedHeaders(Arrays.asList("Authorization", "Cache-Control", "Content-Type"));
        final UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", configuration);
        return source;
    }
}