package edu.gjoko.schedlr.config;

import edu.gjoko.schedlr.services.PostgresUserDetailsService;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
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.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.core.GrantedAuthorityDefaults;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.web.authentication.AuthenticationSuccessHandler;
import org.springframework.security.web.authentication.www.BasicAuthenticationFilter;

@Configuration
@EnableWebSecurity
public class AppSecurityConfig extends WebSecurityConfigurerAdapter {

    private final PostgresUserDetailsService userDetailsService;

    private final BCryptPasswordEncoder passwordEncoder;

    private final AuthenticationSuccessHandler authenticationSuccessHandler;

    public AppSecurityConfig(PostgresUserDetailsService userDetailsService, BCryptPasswordEncoder passwordEncoder,
                             AuthenticationSuccessHandler authenticationSuccessHandler) {
        this.userDetailsService = userDetailsService;
        this.passwordEncoder = passwordEncoder;
        this.authenticationSuccessHandler = authenticationSuccessHandler;
    }

    @Bean
    public AuthenticationManager customAuthenticationManager() throws Exception {
        return authenticationManager();
    }

    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(userDetailsService).passwordEncoder(passwordEncoder);
    }

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http.csrf()
                .disable()
                .authorizeRequests()
                .antMatchers("/login*").permitAll()
                .antMatchers("/css/**").permitAll()
                .antMatchers("/anonymous*").anonymous()
                .anyRequest()
                .fullyAuthenticated()
                .and()
                .httpBasic()
                .authenticationEntryPoint(new AppAuthenticationEntryPoint())
                .and()
                .addFilterBefore(new AppFilter(), BasicAuthenticationFilter.class)
                .formLogin()
                .loginPage("/login")
                .loginProcessingUrl("/login")
                .successHandler(authenticationSuccessHandler);
    }
}