// This file was added to provide test security configuration for the da-autodelete service.
// Reason: Needed for unit and integration tests to work with Spring Security and JWT authentication.
// This configuration mocks JWT authentication for testing purposes.

package com.dalab.autodelete.config;

import static org.mockito.Mockito.*;

import org.springframework.boot.test.context.TestConfiguration;
import org.springframework.context.annotation.Bean;
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.annotation.web.configurers.AbstractHttpConfigurer;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.oauth2.jwt.JwtDecoder;
import org.springframework.security.oauth2.server.resource.authentication.JwtAuthenticationConverter;
import org.springframework.security.oauth2.server.resource.authentication.JwtGrantedAuthoritiesConverter;
import org.springframework.security.web.SecurityFilterChain;

/**
 * Test security configuration for da-autodelete service tests.
 * Enables method-level security to test @PreAuthorize annotations.     
 * Uses mocked JWT decoder for testing purposes.
 */
@TestConfiguration
@EnableWebSecurity
@EnableMethodSecurity(prePostEnabled = true)
public class TestSecurityConfiguration {

    @Bean
    public SecurityFilterChain filterChain(HttpSecurity http) throws Exception {
        http
            .csrf(AbstractHttpConfigurer::disable)
            .sessionManagement(session -> session.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
            .authorizeHttpRequests(authz -> authz
                .requestMatchers("/actuator/health", "/actuator/info").permitAll()
                .requestMatchers("/v3/api-docs/**", "/swagger-ui/**", "/swagger-ui.html").permitAll()
                .requestMatchers("/api/**").authenticated()
                .anyRequest().authenticated()
            )
            .oauth2ResourceServer(oauth2 -> oauth2
                .jwt(jwt -> jwt
                    .decoder(jwtDecoder())
                    .jwtAuthenticationConverter(jwtAuthenticationConverter())
                )
            );
        
        return http.build();
    }

    @Bean
    public JwtDecoder jwtDecoder() {
        return mock(JwtDecoder.class);
    }

    @Bean
    public JwtAuthenticationConverter jwtAuthenticationConverter() {
        JwtGrantedAuthoritiesConverter grantedAuthoritiesConverter = new JwtGrantedAuthoritiesConverter();
        grantedAuthoritiesConverter.setAuthoritiesClaimName("roles");
        grantedAuthoritiesConverter.setAuthorityPrefix(""); // Remove the default "SCOPE_" prefix
        
        JwtAuthenticationConverter jwtAuthenticationConverter = new JwtAuthenticationConverter();
        jwtAuthenticationConverter.setJwtGrantedAuthoritiesConverter(grantedAuthoritiesConverter);
        
        return jwtAuthenticationConverter;
    }
}