#include "optimus.h"
#include "../util.h"

#include <stdlib.h>

static const char *card_string;

void optimus_module_init() {
    int status = system("card_status=\"`optimus-manager --status 2>/dev/null | "
                        "grep -Po '(?<=Current GPU mode : )[a-z]'`\"\n"
                        "case \"$card_status\" in\n"
                        "    'i')\n"
                        "        exit 1\n"
                        "        ;;\n"
                        "    'h')\n"
                        "        exit 2\n"
                        "        ;;\n"
                        "    'n')\n"
                        "        exit 3\n"
                        "        ;;\n"
                        "    *)\n"
                        "        exit 4\n"
                        "        ;;\n"
                        "esac\n");
    switch (WEXITSTATUS(status)) {
    case 1:
        card_string = " Ｉ";
        break;
    case 2:
        card_string = " Ｈ";
        break;
    case 3:
        card_string = " Ｎ";
        break;
    /* case 4: */
    default:
        card_string = " ？";
        break;
    }
}

char *optimus_module_poll() {
    return qtb_strdup(card_string);
}