package com.aiteacher.config;

import org.springframework.aot.hint.MemberCategory;
import org.springframework.aot.hint.RuntimeHints;
import org.springframework.aot.hint.RuntimeHintsRegistrar;
import org.springframework.aot.hint.TypeReference;

/**
 * GraalVM native-image runtime hints for third-party libraries that use reflection
 * or classpath resource scanning not covered by Spring Boot's AOT processor.
 *
 * Registered via @ImportRuntimeHints on AiTeacherApplication.
 */
public class NativeHintsConfig implements RuntimeHintsRegistrar {

    @Override
    public void registerHints(RuntimeHints hints, ClassLoader classLoader) {
        // PDFBox — font and encoding resources loaded via classpath scanning at runtime
        hints.resources().registerPattern("org/apache/pdfbox/resources/*");
        hints.resources().registerPattern("org/apache/pdfbox/resources/afm/*");
        hints.resources().registerPattern("org/apache/pdfbox/resources/cmap/*");
        hints.resources().registerPattern("org/apache/pdfbox/resources/glyphlist/*");
        hints.resources().registerPattern("org/apache/pdfbox/resources/icc/*");
        hints.resources().registerPattern("org/apache/pdfbox/resources/ttf/*");
        hints.resources().registerPattern("org/apache/pdfbox/resources/version.properties");

        // PDFBox — font encoding classes instantiated via reflection
        hints.reflection().registerType(
                org.apache.pdfbox.pdmodel.font.encoding.GlyphList.class,
                MemberCategory.INVOKE_PUBLIC_CONSTRUCTORS,
                MemberCategory.INVOKE_PUBLIC_METHODS
        );
        hints.reflection().registerType(
                org.apache.pdfbox.pdmodel.font.encoding.WinAnsiEncoding.class,
                MemberCategory.INVOKE_PUBLIC_CONSTRUCTORS
        );
        hints.reflection().registerType(
                org.apache.pdfbox.pdmodel.font.encoding.MacRomanEncoding.class,
                MemberCategory.INVOKE_PUBLIC_CONSTRUCTORS
        );
        hints.reflection().registerType(
                org.apache.pdfbox.pdmodel.font.encoding.MacExpertEncoding.class,
                MemberCategory.INVOKE_PUBLIC_CONSTRUCTORS
        );
        hints.reflection().registerType(
                org.apache.pdfbox.pdmodel.font.encoding.StandardEncoding.class,
                MemberCategory.INVOKE_PUBLIC_CONSTRUCTORS
        );

        // JPA / Hibernate — array types used in entity mappings
        hints.reflection().registerType(java.util.UUID[].class, MemberCategory.INVOKE_PUBLIC_CONSTRUCTORS);

        // JBoss Logging — message logger implementations generated by annotation processor.
        // JBoss Logging uses reflection to look up the generated *_$logger class by name.
        registerJBossLogger(hints, "org.hibernate.jpa.internal.JpaLogger_$logger");
        registerJBossLogger(hints, "org.hibernate.internal.CoreMessageLogger_$logger");
        registerJBossLogger(hints, "org.hibernate.internal.EntityManagerMessageLogger_$logger");

        // AWS SDK v2 — HTTP client and SdkPojo serialization
        hints.resources().registerPattern("software/amazon/awssdk/global/handlers/execution.interceptors");
        hints.resources().registerPattern("software/amazon/awssdk/services/s3/execution.interceptors");
        hints.resources().registerPattern("codegen-resources/s3/*");
        hints.reflection().registerType(
                software.amazon.awssdk.services.s3.S3Client.class,
                MemberCategory.INVOKE_PUBLIC_METHODS
        );
    }

    private void registerJBossLogger(RuntimeHints hints, String className) {
        hints.reflection().registerType(
                TypeReference.of(className),
                MemberCategory.INVOKE_PUBLIC_CONSTRUCTORS,
                MemberCategory.INVOKE_PUBLIC_METHODS
        );
    }
}