/*******************************************************************************

                               Headers

*******************************************************************************/

#include <jni.h>

#include <sys/time.h>

#include <time.h>

#include <android/log.h>

#include <stdint.h>

#include <stdio.h>

#include <stdlib.h>

#include <math.h>

#include <pthread.h>

#include "importgl.h"

#include "egl.h"

/*******************************************************************************

                               Globals

*******************************************************************************/

static long _getTime(void){

	struct timeval  now;

	gettimeofday(&now, NULL);

	return (long)(now.tv_sec*1000 + now.tv_usec/1000);

}

JNIEnv* mEnv = NULL;

JavaVM* mVM = NULL;

//Main activity

jclass mActivityInstance;

//method signatures

jmethodID midCreateGLContext;

jmethodID midFlipBuffers;

extern "C" int SDL_main();

extern "C" int Android_OnKeyDown(int keycode);

extern "C" int Android_OnKeyUp(int keycode);

/*******************************************************************************

                 Functions called by JNI

*******************************************************************************/	

extern "C" void Java_org_libsdl_android_SDLActivity_nativeInit( JNIEnv*  env, jobject obj )

{    

	__android_log_print(ANDROID_LOG_INFO, "SDL", "JNI: NativeInit");

	mEnv = env;

    SDL_main();

}

extern "C" jint JNI_OnLoad(JavaVM* vm, void* reserved)

{

    JNIEnv* env = NULL;

    jint result = -1;

    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) {

        return result;

    }

    mEnv = env;

    __android_log_print(ANDROID_LOG_INFO, "SDL", "JNI: OnLoad");

    jclass cls = mEnv->FindClass ("org/libsdl/android/SDLActivity"); 

    mActivityInstance = cls;

    midCreateGLContext = mEnv->GetStaticMethodID(cls,"createGLContext","()V");

    midFlipBuffers = mEnv->GetStaticMethodID(cls,"flipBuffers","()V");

    if(!midCreateGLContext || !midFlipBuffers){

        __android_log_print(ANDROID_LOG_INFO, "SDL", "SDL: Bad mids\n");

    }else{

        __android_log_print(ANDROID_LOG_INFO, "SDL", "SDL: Good mids\n");

    }

    return JNI_VERSION_1_4;

}

extern "C" void Java_org_libsdl_android_SDLActivity_onNativeKeyDown(JNIEnv*  env, 

               jobject obj, jint keycode){

    int r = Android_OnKeyDown(keycode);

    __android_log_print(ANDROID_LOG_INFO, "SDL", "SDL: native key down %d, %d\n", keycode, r);

}

extern "C" void Java_org_libsdl_android_SDLActivity_onNativeKeyUp(JNIEnv*  env, 

               jobject obj, jint keycode){

    int r = Android_OnKeyUp(keycode);

    __android_log_print(ANDROID_LOG_INFO, "SDL", "SDL: native key up %d, %d\n", keycode, r);

}

/*******************************************************************************

                 Functions called by SDL

*******************************************************************************/

extern "C" void sdl_create_context(){

	__android_log_print(ANDROID_LOG_INFO, "SDL", "SDL: sdl_create_context()\n");

    mEnv->CallStaticVoidMethod(mActivityInstance, midCreateGLContext ); 

    __android_log_print(ANDROID_LOG_INFO, "SDL", "SDL: sdl_create_context() return\n");

   // exit(1);

}

extern "C" void sdl_render(){

    //When we get here, we've accumulated a full frame

   //__android_log_print(ANDROID_LOG_INFO, "SDL", "SDL: sdl_render()");

    mEnv->CallStaticVoidMethod(mActivityInstance, midFlipBuffers ); 

}