package com.rongyichuang.config;

import com.rongyichuang.auth.filter.JwtAuthenticationFilter;
import org.springframework.beans.factory.annotation.Autowired;
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.configuration.AuthenticationConfiguration;
import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
import org.springframework.security.web.util.matcher.AntPathRequestMatcher;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.CorsConfigurationSource;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;

import java.util.Arrays;

/**
 * Spring Security 配置
 */
@Configuration
@EnableWebSecurity
@EnableMethodSecurity
public class SecurityConfig {

    @Autowired
    private JwtAuthenticationFilter jwtAuthenticationFilter;

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

    @Bean
    public AuthenticationManager authenticationManager(AuthenticationConfiguration config) throws Exception {
        return config.getAuthenticationManager();
    }

    @Bean
    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
        http
            .cors(cors -> cors.configurationSource(corsConfigurationSource()))
            .csrf(csrf -> csrf.disable())
            .sessionManagement(session -> session.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
            .authorizeHttpRequests(auth -> auth
                .requestMatchers(
                    new AntPathRequestMatcher("/auth/**"),
                    new AntPathRequestMatcher("/api/auth/**"),
                    new AntPathRequestMatcher("/actuator/**"),
                    new AntPathRequestMatcher("/test/**"),
                    new AntPathRequestMatcher("/cleanup/**"),
                    new AntPathRequestMatcher("/api/health/**"),
                    new AntPathRequestMatcher("/upload/**"),
                    new AntPathRequestMatcher("/api/upload/**"),
                    new AntPathRequestMatcher("/graphiql/**"),
                    new AntPathRequestMatcher("/graphql/**"),
                    new AntPathRequestMatcher("/api/graphql/**"),
                    new AntPathRequestMatcher("/api/graphiql/**"),
                    new AntPathRequestMatcher("/player/export/applications"),
                    new AntPathRequestMatcher("/api/player/export/applications")
                ).permitAll()
                .anyRequest().authenticated()
            )
            .addFilterBefore(jwtAuthenticationFilter, UsernamePasswordAuthenticationFilter.class);

        return http.build();
    }

    @Bean
    public CorsConfigurationSource corsConfigurationSource() {
        CorsConfiguration configuration = new CorsConfiguration();
        configuration.setAllowedOriginPatterns(Arrays.asList("*"));
        configuration.setAllowedMethods(Arrays.asList("GET", "POST", "PUT", "DELETE", "OPTIONS"));
        configuration.setAllowedHeaders(Arrays.asList("*"));
        configuration.setAllowCredentials(true);
        
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", configuration);
        return source;
    }
}