/* JNI bridge — connects Java NativeBridge to Rust C ABI
 * Compile: gcc -shared -fPIC -I$JAVA_HOME/include -I$JAVA_HOME/include/darwin
 *   -I native/include -o libcraftlabs_jni_bridge.so jni_bridge.c -L. -lcraftlabs_auth_core
 *
 * Then: java -Djava.library.path=. ... loads both libraries.
 * Or rename the output to craftlabs_auth_core and load it directly.
 */
#include <jni.h>
#include "craftlabs_auth.h"

JNIEXPORT jlong JNICALL Java_cn_craftlabs_auth_internal_NativeBridge_nativeInitialize(
    JNIEnv *env, jclass clazz, jstring configJson) {
    const char *utf = (*env)->GetStringUTFChars(env, configJson, NULL);
    jlong handle = (jlong)(intptr_t)craft_initialize(utf);
    (*env)->ReleaseStringUTFChars(env, configJson, utf);
    return handle;
}

JNIEXPORT void JNICALL Java_cn_craftlabs_auth_internal_NativeBridge_nativeDestroy(
    JNIEnv *env, jclass clazz, jlong handle) {
    (void)env; (void)clazz;
    if (handle) craft_destroy((AuthHandle)(intptr_t)handle);
}

JNIEXPORT jobject JNICALL Java_cn_craftlabs_auth_internal_NativeBridge_nativeActivate(
    JNIEnv *env, jclass clazz, jlong handle, jstring licenseKey) {
    (void)clazz;
    const char *key = (*env)->GetStringUTFChars(env, licenseKey, NULL);
    AuthResult r = craft_activate((AuthHandle)(intptr_t)handle, key);
    (*env)->ReleaseStringUTFChars(env, licenseKey, key);
    jclass cls = (*env)->FindClass(env, "cn/craftlabs/auth/AuthResult");
    jmethodID ctor = (*env)->GetMethodID(env, cls, "<init>", "(ZLjava/lang/String;)V");
    jstring msg = (*env)->NewStringUTF(env, r.message ? r.message : "");
    return (*env)->NewObject(env, cls, ctor, r.success ? JNI_TRUE : JNI_FALSE, msg);
}

JNIEXPORT jobject JNICALL Java_cn_craftlabs_auth_internal_NativeBridge_nativeCheckLicense(
    JNIEnv *env, jclass clazz, jlong handle) {
    (void)clazz;
    AuthResult r = craft_check_license((AuthHandle)(intptr_t)handle);
    jclass cls = (*env)->FindClass(env, "cn/craftlabs/auth/AuthResult");
    jmethodID ctor = (*env)->GetMethodID(env, cls, "<init>", "(ZLjava/lang/String;)V");
    jstring msg = (*env)->NewStringUTF(env, r.message ? r.message : "");
    return (*env)->NewObject(env, cls, ctor, r.success ? JNI_TRUE : JNI_FALSE, msg);
}