/* On-device check: embed CPython 2.7 the way CPythonLauncher does, then run py_embed_spike.py. */
#include <Python.h>
#include <stdio.h>

int main(int argc, char **argv)
{
    const char *home = argc > 1 ? argv[1] : "/data/local/tmp/pyspike";
    char buf[2048], spike[1024];

    Py_NoSiteFlag = 1;
    Py_IgnoreEnvironmentFlag = 1;
    Py_DontWriteBytecodeFlag = 1;
    Py_FrozenFlag = 1;                     /* no "Could not find platform libraries" noise */
    Py_SetProgramName(argv[0]);
    Py_SetPythonHome((char *)home);
    Py_Initialize();
    printf("Py_Initialize ok: %s\n", Py_GetVersion());

    snprintf(buf, sizeof buf,
             "import sys\n"
             "sys.path[:] = ['%s/python27.zip']\n"
             "sys.argv = ['py_embed_spike.py', '--out', '%s/result.txt']\n", home, home);
    if (PyRun_SimpleString(buf) != 0)
        return 2;

    snprintf(spike, sizeof spike, "%s/py_embed_spike.py", home);
    FILE *fp = fopen(spike, "r");
    if (!fp) { perror(spike); return 3; }
    int rc = PyRun_SimpleFileExFlags(fp, spike, 1, NULL);
    printf("spike rc=%d\n", rc);
    Py_Finalize();
    return rc;
}