/*
 Copyright (©) 2003-2020 Teus Benschop.
 
 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, write to the Free Software
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */


#include <resource/manage.h>
#include <assets/view.h>
#include <assets/page.h>
#include <assets/header.h>
#include <filter/roles.h>
#include <filter/string.h>
#include <filter/url.h>
#include <webserver/request.h>
#include <locale/translate.h>
#include <resource/logic.h>
#include <database/usfmresources.h>
#include <access/bible.h>
#include <tasks/logic.h>
#include <journal/index.h>
#include <dialog/yes.h>
#include <menu/logic.h>


string resource_manage_url ()
{
  return "resource/manage";
}


bool resource_manage_acl (void * webserver_request)
{
  return Filter_Roles::access_control (webserver_request, Filter_Roles::manager ());
}


string resource_manage (void * webserver_request)
{
  Webserver_Request * request = (Webserver_Request *) webserver_request;

  
  string page;
  Assets_Header header = Assets_Header (translate("USFM Resources"), request);
  header.addBreadCrumb (menu_logic_settings_menu (), menu_logic_settings_text ());
  page = header.run ();
  Assets_View view;
  
  
  Database_UsfmResources database_usfmresources = Database_UsfmResources ();

  
  // Delete resource.
  string remove = request->query ["delete"];
  if (remove != "") {
    string confirm = request->query ["confirm"];
    if (confirm == "") {
      Dialog_Yes dialog_yes = Dialog_Yes ("manage", translate("Would you like to delete this resource?"));
      dialog_yes.add_query ("delete", remove);
      page += dialog_yes.run ();
      return page;
    } if (confirm == "yes") {
      if (access_bible_write (request, remove)) {
        database_usfmresources.deleteResource (remove);
        // The Cloud updates the list of available USFM resources for the clients.
        tasks_logic_queue (LISTUSFMRESOURCES);
      } else {
        view.set_variable ("error", translate("You do not have write access to this resource"));
      }
    }
  }
  
  
  // Convert resource.
  string convert = request->query ["convert"];
  if (convert != "") {
    string confirm = request->query ["confirm"];
    if (confirm == "") {
      Dialog_Yes dialog_yes = Dialog_Yes ("manage", translate("Would you like to convert this resource to a Bible?"));
      dialog_yes.add_query ("convert", convert);
      page += dialog_yes.run ();
      return page;
    } if (confirm == "yes") {
      if (access_bible_write (request, convert)) {
        tasks_logic_queue (CONVERTRESOURCE2BIBLE, {convert});
        redirect_browser (request, journal_index_url ());
        return "";
      } else {
        view.set_variable ("error", translate("Insufficient privileges"));
      }
    }
  }
  
  
  vector <string> resources = database_usfmresources.getResources ();
  vector <string> resourceblock;
  for (auto & resource : resources) {
    resourceblock.push_back ("<p>");
    resourceblock.push_back ("<a href=\"?delete=" + resource + "\" class=\"deleteresource\" title=\"" + translate("Remove") + "\">");
    resourceblock.push_back (emoji_wastebasket ());
    resourceblock.push_back ("</a>");
    resourceblock.push_back ("<a href=\"?convert=" + resource + "\" class=\"convertresource\" title=\"" + translate("Convert") + "\">");
    resourceblock.push_back ("♻");
    resourceblock.push_back ("</a>");
    resourceblock.push_back (resource);
    resourceblock.push_back ("</p>");
  }
  view.set_variable ("resourceblock", filter_string_implode (resourceblock, "\n"));

  
  page += view.render ("resource", "manage");
  page += Assets_Page::footer ();
  return page;
}
