#include <Python.h>
#include <iosfwd>
#include <iostream>

using namespace std;

int
main(int argc, char *argv[])
{
	wchar_t * pathEnv = _wgetenv(L"PATH");
    wchar_t *program = Py_DecodeLocale(argv[0], NULL);
    if (program == NULL) {
        fprintf(stderr, "Fatal error: cannot decode argv[0]\n");
        exit(1);
    }
    // Works, sets correct environment
    Py_SetPythonHome(L"C:\\Users\\weber\\AppData\\Local\\conda\\conda\\envs\\libertem\\");

    // Breaks, doesn't find Python base packages
    // venv is based on a conda env
    //Py_SetPythonHome(L"C:\\Users\\weber\\Documents\\LiberTEM\\test-venv\\");

    // Breaks, doesn't find Python base packages
    // venv is based on system-wide Python C:\PROGRAM FILES\PYTHON36
    //Py_SetPythonHome(L"C:\\Users\\weber\\Documents\\LiberTEM\\test-venv2\\");

    // Works, is default if Py_SetPythonHome() is not called
    // This is the Python installation the binary is compiled against
    //Py_SetPythonHome(L"C:\\Program Files\\Python36\\");

    // No impact on path setup
    //Py_SetProgramName(L"C:\\Users\\weber\\Documents\\LiberTEM\\test-venv\\Scripts\\python.exe");

    // No impact on path setup
    //Py_SetProgramName(L"C:\\Users\\weber\\AppData\\Local\\conda\\conda\\envs\\libertem\\python.exe");

    // No impact on path setup, recommended in embedding example
    //Py_SetProgramName(program);  /* optional but recommended */

    cout << "Initializing... ";
    Py_Initialize();
    cout << "initalized.\n";
    PyRun_SimpleString(
        "import site\n"
        "import sys\n"
        "print('sys.version: ', sys.version)\n"
        "print('sys.path: ', sys.path)\n"
        "print('sys.prefix: ', sys.prefix)\n"
        "print('sys.exec_prefix: ', sys.exec_prefix)\n"
        "print('sys.base_prefix: ', sys.base_prefix)\n"
        "print('sys.base_exec_prefix: ', sys.base_exec_prefix)\n"
    );
    if (Py_FinalizeEx() < 0) {
        exit(120);
    }
    PyMem_RawFree(program);
    return 0;
}