/*
 * Description:     STM32 Microcontroller flashing utility
 * Author:          Mario Hüttel
 *
 * Version:         0.1
 * License:         --
 *
 *
 */
#include <stdio.h>
#include <gtk/gtk.h>
#include <string.h>
#include <stdint.h>
#include <pthread.h>

#define ISOPT(var) (!strcmp(argv[i], var))
#define GETOPT(var) if (++i < argc) strcpy(var, argv[i])
#define MAXPARAMLENGTH 100

enum ValueAvail {hasNoVal, hasVal};


typedef struct _parameter {
    char *name;
    enum ValueAvail hasValue;
    void *value;
} parameter;

typedef struct _builderWidget {
    char *widgetId;
    GtkWidget **widget;
}builderWidget;

typedef struct _flasher {
    GtkWidget **progressBar;
    GtkWidget **fileEntry;
    GtkWidget **portEntry;
}flasher;


static gboolean main_window_close(GtkWidget *widget, gpointer foo)
{
    gtk_widget_destroy(widget);
    gtk_main_quit();
    return TRUE;
}

void parseParams(parameter *progParams, int argc, char **argv);
void parseBuilder(GtkBuilder *builder, builderWidget *builderWidgets);
void startFlash();

int main(int argc, char *argv[]) {

    static int gui = 0;
    static char port[MAXPARAMLENGTH] = {0};
    static char fileName[MAXPARAMLENGTH] = {0};
    static GtkWidget *startButton;
    static GtkWidget *fileDialogButton;
    static GtkWidget *main_window;
    static GtkWidget *fileEntry;
    static GtkWidget *portEntry;
    static GtkWidget *progressBar;
    static GtkWidget *fileDialog;
    static flasher stmFlasher;

    static parameter progParams[] = {
        {
            .name = "--gui",
            .hasValue = hasNoVal,
            .value = (void*)&gui
        },
        {.name = "--port",.hasValue = hasVal,.value = (void*)port},{.name = "--file",.hasValue = hasVal,.value = (void*)fileName},{.name = NULL}};
    static builderWidget builderWidgets[] = {
      {
          .widgetId = "startButton",
          .widget = &startButton
      },
      {
          .widgetId = "fileDialogButton",
          .widget = &fileDialogButton
      },
      {
          .widgetId = "fileEntry",
          .widget = &fileEntry
      },
      {
          .widgetId = "portEntry",
          .widget = &portEntry
      },
      {
          .widgetId = "progressBar",
          .widget = &progressBar
      },
      {
          .widgetId = "Dialog",
          .widget = &fileDialog
      }, 
      {
          .widgetId = "mainWindow",
          .widget = &main_window
      },
      {
          .widgetId = NULL,
          .widget = NULL
      }
    };

    GtkBuilder *builder;


    parseParams(progParams, argc, argv);
    // Create flasher and fill elements
    stmFlasher.fileEntry = &fileEntry;
    stmFlasher.portEntry = &portEntry;
    // TODO: above
    gui = 1;
    if (gui) {
        gtk_init(&argc, &argv);
        builder = gtk_builder_new();
        gtk_builder_add_from_file(builder, "window.glade", NULL);

        //Get Widgets from Builder
        parseBuilder(builder, builderWidgets);
        g_signal_connect(startButton, "clicked", G_CALLBACK(startFlash), &stmFlasher);
        g_signal_connect(main_window, "delete-event", G_CALLBACK(main_window_close), NULL);
        gtk_main();
    } else {
        startFlash(&stmFlasher);
    }

    return 0;

}



void startFlash(flasher *flashObj) {
    printf("Flasher started\n");
    return;
}


void parseParams(parameter* progParams, int argc, char **argv)
{
    int i = 0;
    parameter* paramptr = NULL;
    for (i = 0; i < argc; i++) {
        for (paramptr = progParams; paramptr->name; paramptr++) {
            if (paramptr->hasValue == hasNoVal) *(int*)paramptr->value = 0;

            if (ISOPT(paramptr->name))
            {
                if (paramptr->hasValue == hasNoVal) {
                    *(int*)paramptr->value = 1;
                } else {
                    printf("setting\n");
                    GETOPT((char*)paramptr->value);
                }
            }
        }
    }
}

void parseBuilder(GtkBuilder *builder, builderWidget *builderWidgets) {
    builderWidget *ptr = NULL;
    for (ptr = builderWidgets; ptr->widgetId;ptr++) {
        *(ptr->widget) = GTK_WIDGET(gtk_builder_get_object(builder, (gchar*)ptr->widgetId));
    }
}