#include "info_over_me.h"

#include "utils/whereami.h"

#include <iostream>
#ifdef __linux
#include <unistd.h>
#endif

#ifdef _WIN32
#include <windows.h>
#endif

extern "C" {
#include "gtk-imports.h"
}
#include <list>

std::string InfoOverMe::containingFolder()
{
    int len = wai_getExecutablePath(NULL, 0, NULL);

    char *path = static_cast<char *>(malloc(len + 1));
    wai_getExecutablePath(path, len, NULL);
    path[len] = '\0';

    std::string p(path);
    std::cout << p << std::endl;
    return p;
}

std::string InfoOverMe::myHostname()
{
    char buf[10240];
#ifdef __linux
    int r = gethostname(buf, 10240);
#endif
#ifdef _WIN32
    DWORD size = 10240;
    bool r = GetComputerNameA(buf, &size);
    buf[size] = '\0';
    if (!r) { sprintf(buf, "unknown"); }
#endif
    std::string name(buf);
    return name;
}

std::string InfoOverMe::myOsHostname()
{
    std::string os;
#ifdef __linux
    os = "linux";
#else
#ifdef _WIN32
    os = "windows";
#else
    os = "unknown";
#endif
#endif
    return os + "_" + myHostname();
}

std::string InfoOverMe::myId()
{

    std::list<GdkRectangle> l;
    GdkDisplay *d = gdk_display_get_default();
    int n = gdk_display_get_n_monitors(d);
    int i;
    for(i = 0; i < n; i++) {
        GdkMonitor *m = gdk_display_get_monitor(d, i);
        GdkRectangle r;
        gdk_monitor_get_geometry(m, &r);
        l.push_back(r);
        //std::cout << r.width << ", " << r.height << ", x = " << r.x << ", y = " << r.y << std::endl;
    }

    auto compare = [](const GdkRectangle &a, const GdkRectangle &b) {
        if (a.x < b.x) {
            return true;
        } else if (a.x > b. x) {
            return false;
        } else if (a.y < b.y) {
            return true;
        } else {
            return false;
        }
    };

    l.sort(compare);
    std::list<GdkRectangle>::iterator it;
    std::string monitor_id;
    std::string sep = "";
    for(it = l.begin(); it != l.end(); it++) {
        char buf[200];
        const GdkRectangle &r = *it;
        sprintf(buf, "%d-%d-%d-%d", r.x, r.y, r.width, r.height);
        std::string geom(buf);
        monitor_id += sep;
        monitor_id += geom;
        sep = "-";
    }

    monitor_id = myOsHostname() + "/" + monitor_id;

    return monitor_id;
}

InfoOverMe::InfoOverMe() {}