#include <emscripten/bind.h>
#include <iostream>

using namespace emscripten;

void changeGlobalVar()
{
    // Get 'globalVar' variable from JS
    // The 'val' datatype allows you to get JS objects, set their attributes,
    // call their methods and much more as specified here
    // https://emscripten.org/docs/porting/connecting_cpp_and_javascript/embind.html#using-val-to-transliterate-javascript-to-c
    val globalJSVar = val::global("globalVar");

    // Set globalVar.name to "Scott Burgert"
    globalJSVar.set("name", val("Scott Burgert"));

    // Set globalVar.ID to 12345
    globalJSVar.set("ID", val(12345));

    // Call 'globalVar.display()'
    // display() does not need any arguments, however if it did, you would just pass
    // arguments into the parameters after the method name parameter
        //Arg:  returnType | funcName | args
    globalJSVar.call<void>("display");
}

EMSCRIPTEN_BINDINGS(Module)
{
    function("changeGlobalVar", &changeGlobalVar);
}