package engine.input;

import engine.Engine;
import engine.math.Vector3f;
import engine.object.ObjectGl;
import org.lwjgl.glfw.GLFW;
import org.lwjgl.glfw.GLFWKeyCallback;

import java.nio.ByteBuffer;
import java.nio.FloatBuffer;

import static org.lwjgl.glfw.GLFW.*;
import static org.lwjgl.opengl.GL11.*;

public class KeyboardInput extends GLFWKeyCallback {

    public static boolean[] keys = new boolean[65536];

    @Override
    public void invoke(long window, int key, int scancode, int action, int mods) {
        keys[key] = action != GLFW.GLFW_RELEASE;
        if(key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
            glfwSetWindowShouldClose(window, true);
        else if(key == GLFW_KEY_SPACE && action == GLFW_PRESS) //Switch to wireframe
            if (glGetInteger(GL_POLYGON_MODE) == GL_FILL) glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
            else glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
    }

    public static boolean isKeyDown(int keyCode) {
		return glfwGetKey(Engine.getWindow(), keyCode) == 1;
	}

    public static void gamepadInput(ObjectGl token, int speed) {
        ByteBuffer gamepadButton = glfwGetJoystickButtons(GLFW_JOYSTICK_1);
        FloatBuffer gamepadAxes = glfwGetJoystickAxes(GLFW_JOYSTICK_1);

        assert gamepadAxes != null;
        assert gamepadButton != null;

        String name = GLFW.glfwGetJoystickName(GLFW_JOYSTICK_1);
        System.out.println("GamePad Name :" + name);



        if (gamepadButton.get(0) ==1 ) { // appuie sur croix(PlayStation) A (Xbox)
            token.translate(new Vector3f( 0.0f, speed * 5.0f, 0.0f));
        }
        if ( (gamepadAxes.get(2) < -0.1 || gamepadAxes.get(2) > 0.1) ) { // de droite à gauche //joystick gauche
            token.translate(new Vector3f (5 * speed * gamepadAxes.get(2),  0.0f, 0.0f));
            if ( gamepadAxes.get(2) < -0.1 ){
                token.setTextureWrap(121,0,57,80, ObjectGl.DEFAULT);
            }else if (gamepadAxes.get(2) > 0.1) {
                token.setTextureWrap(178,0,62,82, ObjectGl.DEFAULT);
            }
        }

        if ( (gamepadAxes.get(3) < -0.1 || gamepadAxes.get(3) > 0.1) ) { // de haut en bas //joystick gauche
            token.translate(new Vector3f (0.0f, -5 * speed * gamepadAxes.get(3), 0.0f));

        }

    	/* Buttons
    	 0 : Croix / A
    	 1:  rond /B
    	 2: carré / X
    	 3: triangle / Y
    	 4: L1 / LB
    	 5: R1 / RB
    	 6:select
    	 7:start
    	 8:L3
    	 9:R3
    	 10: haut
    	 11: droite
    	 12: bas
    	 13: gauche
    	 */

    	/* Axes
   	 0 : left X axe ( right : 1 left -1)
   	 1: left Y axe ( down : 1 , Up -1)
   	 2: right X axe ( right : 1 left -1)
   	 3: right Y axe ( down : 1 , Up -1)
   	 4:L2 / LT :  1 active, -1 unactive
   	 5: R2 /RT :  1 active, -1 unactive
   	 */

    }

    public static void keyboardInput(ObjectGl token, int speed) {
        boolean keyPressed = false;
        if (KeyboardInput.isKeyDown(GLFW.GLFW_KEY_S)) {
            token.setTextureWrap(161,260,56,59, ObjectGl.STICK_BOTTOM);
            keyPressed = true;
        } else if (KeyboardInput.isKeyDown(GLFW.GLFW_KEY_W)) {
            keyPressed = true;
            token.scale(new Vector3f(1.001f,1.001f,1.0f));
        }
        if (KeyboardInput.isKeyDown(GLFW.GLFW_KEY_A)) {
            token.translate(new Vector3f (speed * -1.0f,  0.0f, 0.0f));
            token.setTextureWrap(121,0,57,82, ObjectGl.STICK_TOP);
            keyPressed = true;
        }
        else if (KeyboardInput.isKeyDown(GLFW.GLFW_KEY_D)) {
            token.translate(new Vector3f (speed * 1.0f,  0.0f, 0.0f));
            token.setTextureWrap(178,0,62,82, ObjectGl.STICK_TOP);
            keyPressed = true;
        }
        if (!keyPressed) token.setTextureWrap(58,0,62,82, ObjectGl.STICK_TOP);

        token.flipTextureWrapH();
    }
}