/*
*    events.c
*
*    Copyright (C) 2007  Pau Espin Pedrol (Sharwin_F) <pespin@espeweb.no-ip.com>
*
*    This program is free software: you can redistribute it and/or modify
*    it under the terms of the GNU General Public License as published by
*    the Free Software Foundation, either version 3 of the License, or
*    (at your option) any later version.
*
*    This program is distributed in the hope that it will be useful,
*    but WITHOUT ANY WARRANTY; without even the implied warranty of
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*    GNU General Public License for more details.
*
*    You should have received a copy of the GNU General Public License
*    along with this program.  If not, see <http://www.gnu.org/licenses/>
*/

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <gtk/gtk.h>
#include "mpepcrypt.h"
#include "widgets.h"

GtkWidget *tmp;

void filemanager_inserta(GtkFileSelection *fs )
{
    gtk_entry_set_text( GTK_ENTRY    (tmp), gtk_file_selection_get_filename (GTK_FILE_SELECTION (fs)));
}


void filemanager_obre( GtkWidget *entry )
{
	GtkWidget *filew = gtk_file_selection_new ("Seleccionant un fitxer");
	tmp = entry;
	
	gtk_widget_show (filew);

    g_signal_connect_swapped(G_OBJECT (GTK_FILE_SELECTION (filew)->ok_button), "clicked", G_CALLBACK (filemanager_inserta), G_OBJECT (filew));
    
    /* Destrueix widget, Cancel, Accept o X */
    g_signal_connect_swapped(G_OBJECT (GTK_FILE_SELECTION (filew)->ok_button), "clicked", G_CALLBACK (gtk_widget_destroy), G_OBJECT (filew));
    g_signal_connect_swapped(G_OBJECT (GTK_FILE_SELECTION (filew)->cancel_button), "clicked", G_CALLBACK (gtk_widget_destroy), G_OBJECT (filew));
	g_signal_connect_swapped(G_OBJECT (filew), "destroy", G_CALLBACK (gtk_widget_destroy), G_OBJECT (filew));

}

void encrypt_process( GtkWidget **array ) 
{
	FILE *fp;
	GtkTextIter start, end;
	gchar *strin, *strout;
	const gchar *f_in, *f_out;
	GtkTextBuffer *buffer;
	const gchar *pass = gtk_entry_get_text( GTK_ENTRY(array[8]) );
	int error;
	GError** gerror; //= g_error_new();

/* pillem string del quadre o del arxiu: */

	//input arxiu:
	if( gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (array[0])) ) {
		
		f_in  = gtk_entry_get_text( GTK_ENTRY (array[4]) );
		if( ( fp=fopen(f_in, "r") ) == NULL ) {
			
			//llancem error
			
			alert("Error", "Error al obrir l'arxiu d'entrada per a llegir-ne el contingut.\n\n", errno);
			return;
			
		} else {
				
			fread(strin, sizeof(gchar), 1, fp);
			fclose(fp);
		}
		
	//input text	
	} else {
		
		buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(array[5]) );
		gtk_text_buffer_get_iter_at_offset(buffer, &start, 0);
		gtk_text_buffer_get_iter_at_offset(buffer, &end, -1);
		strin = gtk_text_buffer_get_text(buffer, &start, &end, TRUE);
	}
	
	//encriptem
	strin = g_locale_from_utf8(strin, strlen(strin), NULL, NULL, gerror);
	fprintf(stderr, "PASS:%s;\nIN:%s;\n;", pass, strin);
	strout = cripto(pass, strin, 1);
	strout = g_locale_to_utf8(strout, -1, NULL, NULL, NULL);
	fprintf(stderr, "STRLENOUT:%i;\nOUT:%s;\n", strlen(strin), strout );
	
	
	//output arxiu:
	if( gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (array[2])) ) {
		
		f_out  = gtk_entry_get_text( GTK_ENTRY (array[6]) );
		if( ( fp=fopen(f_out, "w") ) == NULL ) {
			
			
			alert("Error", "Error al obrir l'arxiu de sortida per a escriure'n el contingut.\n\n", errno);
			return;
			
		} else {	
			fwrite(strout, sizeof(gchar), 100, fp);
			fclose(fp);
		}
		
	//output text	
	} else {	
		buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(array[7]) );
		gtk_text_buffer_get_iter_at_offset(buffer, &start, 0);
		gtk_text_buffer_get_iter_at_offset(buffer, &end, -1);
		gtk_text_buffer_set_text( buffer, strout, strlen(strout) );
	}	
			
}

void decrypt_process( GtkWidget **array ) 
{
	fprintf(stderr, "SIGNAL ACTIVAT\n");
	FILE *fp;
	GtkTextIter start, end;
	gchar *strin, *strout;
	const gchar *f_in, *f_out;
	GtkTextBuffer *buffer;
	const gchar *pass = gtk_entry_get_text( GTK_ENTRY(array[8]) );
	GError** gerror; // = g_error_new();

	//pillen string del quadre o del arxiu:

	//input arxiu:
	if( gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (array[0])) ) {
		
		f_in  = gtk_entry_get_text( GTK_ENTRY (array[4]) );
		if( ( fp=fopen(f_in, "r") ) == NULL ) {
			
			alert("Error", "Error al obrir l'arxiu d'entrada per a llegir-ne el contingut.\n\n",errno);
			
			
			return;
			
		} else {
				
			fread(strin, sizeof(gchar), 1, fp);
			fclose(fp);
		}
		
	//input text	
	} else {
		
		buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(array[5]) );
		gtk_text_buffer_get_iter_at_offset(buffer, &start, 0);
		gtk_text_buffer_get_iter_at_offset(buffer, &end, -1);
		strin = gtk_text_buffer_get_text(buffer, &start, &end, TRUE);
	}
	
	//desencriptem
	fprintf(stderr, "PASS:%s;\nIN:%s;\n;", pass, strin);
	strin = g_locale_from_utf8(strin, strlen(strin), NULL, NULL, gerror);  
	strout = cripto(pass, strin, 0);
	strout = g_locale_to_utf8(strout, -1, NULL, NULL, NULL);
	fprintf(stderr, "OUT:%s;\n", strout);
	//output arxiu:
	if( gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON (array[2])) ) {
		
		f_out  = gtk_entry_get_text( GTK_ENTRY (array[6]) );
		if( ( fp=fopen(f_out, "w") ) == NULL ) {
			
			alert("Error", "Error al obrir l'arxiu de sortida per a escriure'n el contingut.\n\n", errno);
			return;
			
		} else {
				
			fwrite(strout, sizeof(gchar), 100, fp);
			fclose(fp);
		}
		
	//output text	
	} else {
		buffer = gtk_text_view_get_buffer( GTK_TEXT_VIEW(array[7]) );
		gtk_text_buffer_get_iter_at_offset(buffer, &start, 0);
		gtk_text_buffer_get_iter_at_offset(buffer, &end, -1);
		gtk_text_buffer_set_text( buffer, strout, strlen(strout) );
	}	
			
}