/*
  Copyright (c) 2003 - 2006 Miguel Mendez <mmendez@energyhq.be>

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are met:

  * Redistributions of source code must retain the above copyright notice,
  this list of conditions and the following disclaimer. 
  * Redistributions in binary form must reproduce the above copyright notice,
  this list of conditions and the following disclaimer in the documentation 
  and/or other materials provided with the distribution. 

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

  $Id: user_settings.c 68 2006-11-18 08:11:14Z mmendez $

*/

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/uio.h>
#include <unistd.h>
#include <pwd.h>

#include "gtk-send-pr.h"
#include "user_settings.h"

/* Avoid saving prefs every time */
static int migration;
static USER_PROFILE old_profile;

void 
save_settings(USER_PROFILE *my_profile)
{

  char *homedir;
  char temp[FILENAME_MAX + 1];
	
  char temp_name[FILENAME_MAX + 1];
  char temp_email[FILENAME_MAX + 1];
  char temp_org[FILENAME_MAX + 1];
  char temp_smtp[FILENAME_MAX + 1];
  char temp_geometry[FILENAME_MAX + 1];
  char temp_smtp_port[FILENAME_MAX + 1];
  char temp_ssl_mode[FILENAME_MAX + 1];
  char temp_maint_prefix[FILENAME_MAX + 1];

  int i,j;
  FILE *f;
	
  struct stat sb;
	
  homedir = getenv("HOME");
  if(homedir == NULL) return;
  snprintf(temp, FILENAME_MAX, "%s/%s", homedir, ".gtk-send-pr");
	
  i = stat(temp, &sb);
  if (i == -1) {
	
    j = mkdir(temp, 0700);
	
  } else if ((sb.st_mode & S_IFDIR) != S_IFDIR){
	
    j = unlink(temp);

    if (j != -1) {
		
      j = mkdir(temp,0700);
		
    }
	
    if (j == -1) return;
	
  }
	
  snprintf(temp_name, FILENAME_MAX, "%s/name", temp);
  snprintf(temp_email, FILENAME_MAX, "%s/email", temp);
  snprintf(temp_org, FILENAME_MAX, "%s/organization", temp);
  snprintf(temp_smtp, FILENAME_MAX, "%s/smtp", temp);
  snprintf(temp_geometry, FILENAME_MAX, "%s/geometry", temp);
  snprintf(temp_smtp_port, FILENAME_MAX, "%s/smtp_port", temp);
  snprintf(temp_ssl_mode, FILENAME_MAX, "%s/ssl_mode", temp);

  if(strncmp(my_profile->name, old_profile.name,
	     (sizeof(((USER_PROFILE *) 0)->name)))!=0 || migration==1) {

    f=fopen(temp_name, "w");
    if(f == NULL) return;
    fprintf(f, my_profile->name);
    fclose(f);

  }

  if(strncmp(my_profile->email, old_profile.email,
	     (sizeof(((USER_PROFILE *) 0)->email)))!=0 || migration==1) {

    f=fopen(temp_email, "w");
    if(f==NULL) return;
    fprintf(f, my_profile->email);
    fclose(f);

  }

  if(strncmp(my_profile->org, old_profile.org,
	     (sizeof(((USER_PROFILE *) 0)->org)))!=0 || migration==1) {

    f=fopen(temp_org, "w");
    if(f==NULL) return;
    fprintf(f, my_profile->org);
    fclose(f);

  }
	
  if(strncmp(my_profile->smtp, old_profile.smtp,
	     (sizeof(((USER_PROFILE *) 0)->smtp)))!=0 || migration == 1) {

    f = fopen(temp_smtp, "w");
    if(f == NULL) return;
    fprintf(f, my_profile->smtp);
    fclose(f);

  }

  if(strncmp(my_profile->smtp_port, old_profile.smtp_port,
	     (sizeof(((USER_PROFILE *) 0)->smtp_port)))!=0 || migration == 1) {

    f = fopen(temp_smtp_port, "w");
    if(f == NULL) return;
    fprintf(f, my_profile->smtp_port);
    fclose(f);

  }

  if ((my_profile->ssl_mode != old_profile.ssl_mode) || 
      (migration == 1)) {

    f = fopen(temp_ssl_mode, "w");
    if (f == NULL) return;
    fprintf(f, "%i", my_profile->ssl_mode);
    fclose(f);

  }

  if( ((my_profile->geom_x != old_profile.geom_x) || 
       (my_profile->geom_y != old_profile.geom_y) ) ||
      migration == 1) {

    f = fopen(temp_geometry, "w");
    if(f == NULL) return;
    fprintf(f, "%i,%i", my_profile->geom_x, my_profile->geom_y);
    fclose(f);

  }
	
  return;

}

void 
load_settings(USER_PROFILE *my_profile)
{
  int i;
  struct passwd *pr_user;
  char *homedir;
  char temp[FILENAME_MAX + 1];
  char temp_name[FILENAME_MAX + 1];
  char temp_email[FILENAME_MAX + 1];
  char temp_org[FILENAME_MAX + 1];
  char temp_smtp[FILENAME_MAX + 1];
  char temp_smtp_port[FILENAME_MAX + 1];
  char temp_ssl_mode[FILENAME_MAX + 1];
  char temp_geometry[FILENAME_MAX + 1];
  int fd;
  FILE *f;
  struct stat sb;

  migration = 0;
  homedir = getenv("HOME");
  assert(homedir != NULL);

  snprintf(temp, FILENAME_MAX, "%s/%s", homedir, ".gtk-send-pr");
  i = stat(temp, &sb);
  if (i == -1) {	

    snprintf(temp, FILENAME_MAX, "%s/%s", homedir, ".gtk-send-pr-rc");
    fd = open(temp, O_RDONLY, 0);
    if (fd != -1) {

      read(fd, my_profile, sizeof(USER_PROFILE));
      close(fd);
      unlink(temp);
      migration = 1;

    } else  {

      /* Let's see who I am */
      pr_user = getpwuid(getuid());

      my_profile->geom_x = 400;
      my_profile->geom_y = 480;
      strncpy(my_profile->name, pr_user->pw_gecos, 255);
      strncpy(my_profile->email, pr_user->pw_name, 255);
      sprintf(my_profile->org, " ");
      sprintf(my_profile->smtp, "FILL THIS!!!");
      sprintf(my_profile->smtp_port, "25");
      my_profile->ssl_mode = GSP_SSL_NO;

    }

  } else {

    snprintf(temp_name, FILENAME_MAX, "%s/name", temp);
    snprintf(temp_email, FILENAME_MAX,"%s/email", temp);
    snprintf(temp_org, FILENAME_MAX, "%s/organization", temp);
    snprintf(temp_smtp, FILENAME_MAX, "%s/smtp", temp);
    snprintf(temp_smtp_port, FILENAME_MAX, "%s/smtp_port", temp);
    snprintf(temp_ssl_mode, FILENAME_MAX, "%s/ssl_mode", temp);
    snprintf(temp_geometry, FILENAME_MAX, "%s/geometry", temp);

    fd = open(temp_name, O_RDONLY, 0);
    if (fd != -1) {

      read(fd, my_profile->name, sizeof(my_profile->name));
      close(fd);

    } else {

      pr_user = getpwuid(getuid());
      strncpy(my_profile->name, pr_user->pw_gecos, 255);
      migration = 1;

    }

    fd = open(temp_email, O_RDONLY, 0);
    if (fd != -1) {

      read(fd, my_profile->email, sizeof(my_profile->email));
      close(fd);

    }

    fd = open(temp_org, O_RDONLY,0);
    if (fd != -1) {

      read(fd,my_profile->org, sizeof(my_profile->org));
      close(fd);

    }

    fd = open(temp_smtp,O_RDONLY,0);
    if (fd != -1) {

      read(fd, my_profile->smtp, sizeof(my_profile->smtp));
      close(fd);

    } else {

      sprintf(my_profile->smtp, "FILL THIS!!!");
      migration = 1;

    }

    fd = open(temp_smtp_port,O_RDONLY,0);
    if (fd != -1) {

      read(fd, my_profile->smtp_port, sizeof(my_profile->smtp_port));
      close(fd);

    } else {

      sprintf(my_profile->smtp_port, "25");
      migration = 1;

    }

    f = fopen(temp_ssl_mode,"r");
    if (f != NULL) {

      fscanf(f, "%i", &my_profile->ssl_mode);
      fclose(f);

    } else {

      my_profile->ssl_mode = GSP_SSL_NO;
      migration = 1;

    }

    f = fopen(temp_geometry,"r");
    if (f != NULL) {

      fscanf(f, "%i,%i", &my_profile->geom_x, &my_profile->geom_y);
      fclose(f);	

    } else {

      my_profile->geom_x = 400;
      my_profile->geom_y = 480;
      migration = 1;

    }

  }
  /* Keep a copy of the user profile */
  memcpy(&old_profile, my_profile, sizeof(USER_PROFILE));
  return;

}