#include "de_mrbesen_cppplugins_CppPlugin.h"
#include "de_mrbesen_cppplugins_CppPlugin_CppListener.h"

#include <iostream>
#include <dlfcn.h> //dynamic linking

#include "cppplugin.h" //plugin definitions

//jfieldID DATAFIELDID = 0;
jclass CPPPLUGINCLASS = 0;
CppPlugin* plugin = 0;

/*
void setData(CppPlugin* d, JNIEnv* env, jobject thisobj) {
	std::cout << "set data: " << DATAFIELDID << std::endl;
	env->SetLongField(thisobj, DATAFIELDID, reinterpret_cast<jlong>(d));
}

CppPlugin* getData(JNIEnv* env, jobject thisobj) {
	std::cout << "get data: " << DATAFIELDID << std::endl;
	return reinterpret_cast<CppPlugin*>(env->GetLongField(thisobj, DATAFIELDID));
}*/

JNIEXPORT jboolean JNICALL Java_de_mrbesen_cppplugins_CppPlugin_init_1(JNIEnv* env, jobject thisobj) {
	std::cout << "init!! aus cpp!!!" << std::endl;
	
	CPPPLUGINCLASS = env->FindClass("de/mrbesen/cppplugins/CppPlugin");
	std::cout << "findclass: " << (!CPPPLUGINCLASS) << std::endl;
	//DATAFIELDID = env->GetFieldID(CPPPLUGINCLASS, "data", "J");
	//std::cout << "findfield " << (!DATAFIELDID) << std::endl;

	return true;
}


/**
 * Class:     de_mrbesen_cppplugins_CppPlugin
 * Method:    loadPlugin
 * Signature: (Ljava/lang/String;)Z
 */
JNIEXPORT jboolean JNICALL Java_de_mrbesen_cppplugins_CppPlugin_loadPlugin(JNIEnv* env, jobject thisobj, jstring path) {
	const char* cpath = env->GetStringUTFChars(path, 0);

	//open plugin
	std::cout << "open plugin " << cpath << std::endl;
	void* handle = dlopen(cpath, RTLD_LAZY);
	if (!handle)
		return false;
		//throw std::string("Error: plugin could not be opend. ") + dlerror();

	//load function pointer
	initfptr initf = (initfptr) dlsym(handle, "init");
	if(!initf) {
		std::cout << "Could not find function init" << std::endl;
		dlclose(handle);
		return false;
	}	

	plugin = initf();
	
	//store data
	//setData(data, env, thisobj);

	return true;
}

/*
 * Class:     de_mrbesen_cppplugins_CppPlugin
 * Method:    onLoad
 * Signature: ()V
 */
JNIEXPORT void JNICALL Java_de_mrbesen_cppplugins_CppPlugin_onLoad(JNIEnv* env, jobject thisobj) {
	//TODO
	std::cout << "lib::onLoad()" << std::endl;
	plugin->onLoad();
}

/*
 * Class:     de_mrbesen_cppplugins_CppPlugin
 * Method:    onEnable_
 * Signature: ()V
 */
JNIEXPORT void JNICALL Java_de_mrbesen_cppplugins_CppPlugin_onEnable_1(JNIEnv* env, jobject thisobj) {
	//TODO
	std::cout << "lib::onEnable()" << std::endl;
	plugin->onEnable();
}

/*
 * Class:     de_mrbesen_cppplugins_CppPlugin
 * Method:    onDisable_
 * Signature: ()V
 */
JNIEXPORT void JNICALL Java_de_mrbesen_cppplugins_CppPlugin_onDisable_1(JNIEnv* env, jobject thisobj) {
	//TODO
	std::cout << "lib::onDisable()" << std::endl;
	plugin->onDisable();
}

/*
 * Class:     de_mrbesen_cppplugins_CppPlugin
 * Method:    fireEvent
 * Signature: (Lde/mrbesen/cppplugins/CppEvent;I)Lde/mrbesen/cppplugins/CppEvent;
 */
JNIEXPORT jobject JNICALL Java_de_mrbesen_cppplugins_CppPlugin_fireEvent(JNIEnv* env, jobject thisobj, jobject event, jint functionid) {
	//TODO
	return event;
}

/*
 * Class:     de_mrbesen_cppplugins_CppPlugin
 * Method:    onCmd
 * Signature: (Lorg/bukkit/command/CommandSender;Lorg/bukkit/command/Command;Ljava/lang/String;[Ljava/lang/String;)Z
 */
JNIEXPORT jboolean JNICALL Java_de_mrbesen_cppplugins_CppPlugin_onCmd(JNIEnv* env, jobject thisobj, jobject sender, jobject cmd, jstring label, jobjectArray args) {
	//TODO
	return false;
}

/*
 * Class:     de_mrbesen_cppplugins_CppPlugin
 * Method:    getListener
 * Signature: ()[Lde/mrbesen/cppplugins/CppPlugin/CppListener;
 */
JNIEXPORT jobjectArray JNICALL Java_de_mrbesen_cppplugins_CppPlugin_getListener(JNIEnv* env, jobject thisobj) {
	jclass clas = env->FindClass("de/mrbesen/cppplugins/CppPlugin/CppListener");
	jobjectArray arr = env->NewObjectArray(0, clas, 0);
	return arr;
}