#include <stdlib.h>
#include <gtk/gtk.h>
#include <string.h>
#include <time.h>

static GdkColor couleur[] =
{
  {0, 0xFFFF, 0x0, 0x0},
  {0, 0xFFFF, 0x0, 0x7530},
  {0, 0xFFFF, 0x7530, 0xFDE8},
};

struct _MainWindow
{
    GtkWidget *fenetre, *Vbox, *Hbox, *bouton[1], *area;
    time_t temps;
    gboolean appui;
    guint test;
    int tps, jour, heure, min;

};

typedef struct _MainWindow MainWindow;


int Rectangle(GtkWidget *area, gpointer data);
int EchelleCouleur(GtkWidget *area, gpointer data);
int chrono_start(GtkWidget *, gpointer data);
int chrono_stop(GtkWidget *, gpointer data);
gboolean chrono(gpointer data);
int choix(gpointer data, int k);

int main(int argc, char **argv)
{
    MainWindow *pf;

    pf = (MainWindow*)g_malloc(sizeof(MainWindow));

    gtk_init (&argc, &argv);

    pf->fenetre = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_container_set_border_width(GTK_CONTAINER(pf->fenetre), 5);
    gtk_window_set_title(GTK_WINDOW(pf->fenetre), "Simulateur hydraulique de Colonnes Pulsees");
    gtk_window_set_default_size(GTK_WINDOW(pf->fenetre), 320, 200);
    g_signal_connect(G_OBJECT(pf->fenetre), "destroy", G_CALLBACK(gtk_main_quit), NULL);

    pf->Vbox = gtk_vbox_new(FALSE, 0);
    gtk_container_add(GTK_CONTAINER(pf->fenetre), pf->Vbox);

    pf->Hbox = gtk_hbox_new(TRUE, 0);
    gtk_box_pack_start(GTK_BOX(pf->Vbox), pf->Hbox, FALSE, FALSE, 0);

    pf->bouton[0] = gtk_button_new_with_label("Lecture/Reprise");
    gtk_box_pack_start(GTK_BOX(pf->Hbox), pf->bouton[0], TRUE, TRUE, 0);

    pf->bouton[1] = gtk_button_new_with_label("Pause");
    gtk_box_pack_start(GTK_BOX(pf->Hbox), pf->bouton[1], TRUE, TRUE, 0);

    pf->area = gtk_drawing_area_new();
    gtk_drawing_area_size((GtkDrawingArea*)pf->area, 500, 500);
    gtk_box_pack_start(GTK_BOX(pf->Vbox), pf->area, TRUE, TRUE, 5);

    g_signal_connect(G_OBJECT(pf->area), "expose-event", G_CALLBACK(Rectangle), (gpointer)pf);
    g_signal_connect(G_OBJECT(pf->area), "expose-event", G_CALLBACK(EchelleCouleur), (gpointer)pf);
    g_signal_connect(G_OBJECT(pf->bouton[0]), "clicked", G_CALLBACK(chrono_start), (gpointer*)pf);
    g_signal_connect(G_OBJECT(pf->bouton[1]), "clicked", G_CALLBACK(chrono_stop), (gpointer*)pf);


    gtk_widget_show_all(pf->fenetre);

    gtk_main();

    g_free(pf);

    return EXIT_SUCCESS;
}

int Rectangle(GtkWidget *area, gpointer data)
{
    MainWindow *pf;
    pf = (MainWindow*)data;

    gdk_draw_rectangle(area->window, area->style->black_gc, FALSE, 225, 100, 50, 300);

    for(int i=0; i<6; i++)
    {
        gdk_draw_rectangle(area->window, area->style->white_gc, FALSE, 225, 100+50*i, 50, 50);
    }

    return 0;
}

int EchelleCouleur(GtkWidget *area, gpointer data)
{
    MainWindow *pf;
    pf = (MainWindow*)data;

    GdkFont *font = NULL;
    font = gdk_font_load ("-Adobe-Helvetica-Bold-R-Normal--*-100-*-*-*-*-*-*");

    GdkColormap *colormap;
    colormap = gdk_drawable_get_colormap(area->window);

    for(int i=0; i<3; i++)
    {


        gdk_colormap_alloc_color(colormap,&couleur[i],TRUE, FALSE);

        gdk_gc_set_foreground(area->style->fg_gc[GTK_WIDGET_STATE(area)], &couleur[i]);

        gdk_draw_rectangle(area->window, area->style->fg_gc[GTK_WIDGET_STATE(area)], TRUE, 50, 240+55*i, 50, 50);
    }

    gdk_draw_string (area->window, font, area->style->black_gc, 105, 270, "0");
    gdk_draw_string (area->window, font, area->style->black_gc, 105, 320, "10");
    gdk_draw_string (area->window, font, area->style->black_gc, 105, 375, "20");

    return 0;
}

int chrono_start(GtkWidget *bouton, gpointer data)
{
    MainWindow *pf;
    pf = (MainWindow*)data;



    pf->appui = TRUE;
    pf->temps=time(NULL);
    pf->test = g_timeout_add(1, chrono, (gpointer)pf);



    return 0;
}

int chrono_stop(GtkWidget *bouton, gpointer data)
{
    MainWindow *pf;
    pf = (MainWindow*)data;
    pf->appui = FALSE;
    gdk_draw_rectangle(pf->area->window, pf->area->style->white_gc, TRUE, 0, 0, 50, 50);
    return 0;
}

gboolean chrono(gpointer data)
{
    MainWindow *pf;
    pf = (MainWindow*)data;

    GdkColormap *colormap;
    colormap = gdk_drawable_get_colormap(pf->area->window);

    GdkFont *font = NULL;
    font = gdk_font_load ("-Adobe-Helvetica-Bold-R-Normal--*-100-*-*-*-*-*-*");


    for(int i=0; i<6; i++)
    {

        gdk_colormap_alloc_color(colormap,&couleur[i],TRUE, FALSE);

        gdk_gc_set_foreground(pf->area->style->fg_gc[GTK_WIDGET_STATE(pf->area)], &couleur[i]);


        gdk_draw_rectangle(pf->area->window, pf->area->style->fg_gc[GTK_WIDGET_STATE(pf->area)], TRUE, 225, 100+50*i, 50, 50);
    }

    gchar buf[32];

    time_t tA=0;


    if (pf->appui==FALSE)
    {
    return pf->appui;
    }

     tA=time(NULL);

     //définir les textes des trois GtkEntry pour  les heures et les minutes les secondes
     pf->tps=tA-pf->temps;
     pf->jour =pf->tps/(24*60*60);
     pf->tps-= pf->jour*24*60*60;
     pf->heure= pf->tps/(60*60);
     pf->tps-=pf->heure*60*60;
     pf->min =pf->tps/60;
     pf->tps-=pf->min*60;

     sprintf(buf,"%d h %d min %d sec",pf->heure, pf->min, pf->tps);
     gdk_draw_string (pf->area->window, font, pf->area->style->black_gc, 300, 50, buf);








gtk_widget_queue_draw(GTK_WIDGET(pf->area));



     gtk_widget_show_all(pf->fenetre);


    return pf->appui;
}