#include <SDL2/SDL.h>
#include <err.h>
#include <gtk/gtk.h>
#include <stdio.h>
#include <stdlib.h>

#include "all.h"

GtkWidget *window;
GtkWidget *wimage;
GtkWidget *image;
GtkWidget *textBox;
GtkWidget *final;
GtkWidget *ninety;
GtkWidget *oneeighty;
GtkWidget *segm;
GtkWidget *grays;
GtkWidget *contra;
GtkWidget *biner;
GtkWidget *play;
GtkWidget *noise;
GtkWidget *rotation;
GtkWidget *nette;
SDL_Surface *surf;

int main(int argc, char *argv[])
{
    SDL_Init(SDL_INIT_VIDEO);
    GtkBuilder *builder;
    gtk_init(&argc, &argv);
    builder = gtk_builder_new();
    gtk_builder_add_from_file(builder, "main.glade", NULL);
    window = GTK_WIDGET(gtk_builder_get_object(builder, "window"));
    gtk_builder_connect_signals(builder, NULL);
    final = GTK_WIDGET(gtk_builder_get_object(builder, "final"));
    textBox = GTK_WIDGET(gtk_builder_get_object(builder, "textBox"));
    ninety = GTK_WIDGET(gtk_builder_get_object(builder, "ninety"));
    oneeighty = GTK_WIDGET(gtk_builder_get_object(builder, "oneeighty"));
    segm = GTK_WIDGET(gtk_builder_get_object(builder, "segmentation"));
    grays = GTK_WIDGET(gtk_builder_get_object(builder, "grayscale"));
    contra = GTK_WIDGET(gtk_builder_get_object(builder, "contrastes"));
    biner = GTK_WIDGET(gtk_builder_get_object(builder, "binarisation"));
    play = GTK_WIDGET(gtk_builder_get_object(builder, "lanceTout"));
    noise = GTK_WIDGET(gtk_builder_get_object(builder, "noise"));
    rotation = GTK_WIDGET(gtk_builder_get_object(builder, "rotation"));
    nette = GTK_WIDGET(gtk_builder_get_object(builder, "nettete"));
    g_object_unref(builder);
    gtk_widget_show(window);
    g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
    gtk_main();

    return 0;
}

SDL_Surface *load_image(char *path)
{
    SDL_Surface *img;
    img = SDL_LoadBMP(path);
    if (!img)
        errx(3, "Can't load %s: %s", path, SDL_GetError());
    return img;
}

void choose_image(char *file)
{
    gtk_widget_set_sensitive(ninety, TRUE);
    gtk_widget_set_sensitive(segm, TRUE);
    gtk_widget_set_sensitive(play, TRUE);
    gtk_widget_set_sensitive(grays, TRUE);
    gtk_widget_set_sensitive(contra, TRUE);
    gtk_widget_set_sensitive(biner, TRUE);
    gtk_widget_set_sensitive(noise, TRUE);
    gtk_widget_set_sensitive(rotation, TRUE);
    gtk_widget_set_sensitive(oneeighty, TRUE);
    gtk_widget_set_sensitive(nette, TRUE);
    surf = load_image(file);
    SDL_SaveBMP(surf, "images/temp.bmp");
    SDL_FreeSurface(surf);
}

void file_selected(GtkWidget *filechooserbutton)
{
    char *filename =
        gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(filechooserbutton));
    printf("%s\n", filename);
    choose_image(filename);
}

// Il faut juste que tu mettes tes fonctions à la place des commentaires. Si
// jamais tu as pas certaines fonctions par exemple pour recup le resultat du
// reseau de neurones dis le moi et je les demanderai à Axelle ou Brice.

// Pour les fonctions, l'image à modifier est sauvegardée dans le fichier
// images/temp.bmp

void play_button()
{
    GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(textBox));
    GtkTextIter iter;
    gtk_text_buffer_get_iter_at_offset(buffer, &iter, 0);
    char *result = calloc(sizeof(char), 10000);

    // result sera le texte final
    // traitement de l'image (dans le fichier images/temp.bmp)
    // segmentation de l'image
    // envoi au reseau de neurones
    // stockage du resultat du reseau de neurones dans la variable result
    SDL_Surface *loadedImage = SDL_LoadBMP("images/temp.bmp");
    binerize(loadedImage);
    Neural_Network *network = (Neural_Network *)malloc(sizeof(Neural_Network));
    Initialisation(network);
    Load_Network(network, "SaveNetwork.txt");
    __extractpar(loadedImage, network, result);
    Free_Network(network);
    SDL_FreeSurface(loadedImage);
    gtk_text_buffer_insert(buffer, &iter, result, -1);
    free(result);
    gtk_widget_show(final);
    gtk_widget_hide(window);
}

void nettete()
{
    static float SharpenMatrix[3][3] = { { 0.0, -1.0, 0.0 },
                                         { -1.0, 5.0, -1.0 },
                                         { 0.0, -1.0, 0.0 } };
    SDL_Surface *loadedImage = SDL_LoadBMP("images/temp.bmp");
    SDL_Window *window = display_img(loadedImage);
    wait_for_keypressed();
    SDL_DestroyWindow(window);
    loadedImage = Convolute(loadedImage, SharpenMatrix);
    window = display_img(loadedImage);
    SDL_SaveBMP(loadedImage, "images/temp.bmp");
    wait_for_keypressed();
    SDL_DestroyWindow(window);
    SDL_FreeSurface(loadedImage);
}

void plus_oneeighty()
{
    SDL_Surface *loadedImage = SDL_LoadBMP("images/temp.bmp");
    SDL_Window *window = display_img(loadedImage);
    wait_for_keypressed();
    SDL_DestroyWindow(window);
    grayscale(loadedImage);
    binerize(loadedImage);
    loadedImage = rotate(180, loadedImage);
    window = display_img(loadedImage);
    SDL_SaveBMP(loadedImage, "images/temp.bmp");
    wait_for_keypressed();
    SDL_DestroyWindow(window);
    SDL_FreeSurface(loadedImage);
}

void plus_ninety()
{
    SDL_Surface *loadedImage = SDL_LoadBMP("images/temp.bmp");
    SDL_Window *window = display_img(loadedImage);
    wait_for_keypressed();
    SDL_DestroyWindow(window);
    grayscale(loadedImage);
    binerize(loadedImage);
    loadedImage = rotate(90, loadedImage);
    window = display_img(loadedImage);
    SDL_SaveBMP(loadedImage, "images/temp.bmp");
    wait_for_keypressed();
    SDL_DestroyWindow(window);
    SDL_FreeSurface(loadedImage);
}

void gray()
{
    // grayscale
}

void bine()
{
    // binarisation
}

void seg()
{}

void cont()
{
    SDL_Surface *loadedImage = SDL_LoadBMP("images/temp.bmp");
    SDL_Window *window = display_img(loadedImage);
    wait_for_keypressed();
    SDL_DestroyWindow(window);
    ConstrastRenforcement(loadedImage, 100);
    window = display_img(loadedImage);
    wait_for_keypressed();
    SDL_DestroyWindow(window);
    SDL_FreeSurface(loadedImage);
}

void rot()
{
    SDL_Surface *loadedImage = SDL_LoadBMP("images/temp.bmp");
    SDL_Window *window = display_img(loadedImage);
    wait_for_keypressed();
    SDL_DestroyWindow(window);
    binerize(loadedImage);
    grayscale(loadedImage);
    double teta = houghtrasformy(loadedImage);
    teta -= 90;
    loadedImage = rotate(teta, loadedImage);
    window = display_img(loadedImage);
    SDL_SaveBMP(loadedImage, "images/temp.bmp");
    wait_for_keypressed();
    SDL_DestroyWindow(window);
    SDL_FreeSurface(loadedImage);
}

void noise_reduction()
{
    SDL_Surface *loadedImage = SDL_LoadBMP("images/temp.bmp");
    SDL_Window *window = display_img(loadedImage);
    wait_for_keypressed();
    SDL_DestroyWindow(window);
    noiseReduction(loadedImage);
    window = display_img(loadedImage);
    wait_for_keypressed();
    SDL_DestroyWindow(window);
}

void on_quit_clicked()
{
    gtk_main_quit();
}