/* 
 * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
 *
 * 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; version 2 of the
 * License.
 * 
 * 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 St, Fifth Floor, Boston, MA
 * 02110-1301  USA
 */

#ifndef _NEW_SERVER_INSTANCE_WIZARD_H_
#define _NEW_SERVER_INSTANCE_WIZARD_H_

#include "grt/common.h"
#include "grtui/grt_wizard_form.h"
#include "grtui/wizard_finished_page.h"
#include "grtui/wizard_progress_page.h"
#include "grtui/grtdb_connect_panel.h"

#include "workbench/wb_context.h"
#include "workbench/wb_module.h"

#include "cppdbc.h"

#include "mforms/fs_object_selector.h"
#include "mforms/radiobutton.h"
#include "mforms/checkbox.h"

/**
 * Implementation of a wizard to set up remote management for a given connection.
 */

using namespace grtui;
using namespace mforms;

class NewServerInstanceWizard;

class NewServerInstancePage : public WizardPage
{
public:
  NewServerInstancePage(WizardForm *form, const std::string &pageid);
protected:
  NewServerInstanceWizard* wizard();
};

class IntroductionPage : public WizardPage
{
public:
  IntroductionPage(WizardForm *form);
};

class TestDatabaseSettingsPage : public WizardProgressPage
{
public:
  TestDatabaseSettingsPage(WizardForm* host);
  virtual void enter(bool advancing);
protected:
  sql::ConnectionWrapper _dbc_conn;
  std::string _message;
  bool open_connection();
  virtual void tasks_finished(bool success);
  bool get_server_version();
  bool get_server_platform();

  NewServerInstanceWizard* wizard();
};

class HostAndRemoteTypePage : public NewServerInstancePage
{
public:
  HostAndRemoteTypePage(WizardForm* host);
protected:
  virtual void enter(bool advancing);
  virtual bool advance();
  virtual bool skip_page();

  void refresh_profile_list();
  void toggle_remote_admin();
private:
  Panel _management_type_panel; // Border.
  Box _management_type_box;     // Content.
  Panel _os_panel; // Border.
  Box _os_box;     // Content.
  
  Label _os_description;
  
  Table _params;
  Label _os_label;
  Selector _os_selector;
  
  Label _type_label;
  Selector _type_selector;
  
  mforms::RadioButton _win_remote_admin;
  mforms::RadioButton _ssh_remote_admin;

  std::map<std::string, std::vector<std::pair<std::string,std::string> > > _presets;
};

class SSHConfigurationPage : public NewServerInstancePage
{
public:
  SSHConfigurationPage(WizardForm* host);
protected:
  void use_ssh_key_changed();
  
  virtual void enter(bool advancing);
  virtual bool advance();
  virtual void leave(bool advancing);
  virtual bool skip_page();

private:
  Label _main_description1;
  Label _main_description2;

  Table _ssh_settings_table;
  
  Box _indent;
  Label _host_name_label;
  TextEntry _host_name;
  Label _port_label;
  TextEntry _port;

  Label _username_label;
  TextEntry _username;

  CheckBox _use_ssh_key;
  Label _ssh_path_label;
  TextEntry _ssh_key_path;
  Button _ssh_key_browse_button;
  FsObjectSelector* _file_selector;
};

class WindowsManagementPage : public NewServerInstancePage
{
public:
  WindowsManagementPage(WizardForm* host, wb::WBContext* context);
protected:
  void refresh_config_path();

  virtual void enter(bool advancing);
  virtual void leave(bool advancing);

  virtual bool advance();
  virtual bool skip_page();
private:
  wb::WBContext* _context;
  std::vector<std::string> _config_paths;
  std::vector<std::string> _service_names;

  Table _layout_table;
  Box _indent;

  Label _main_description1;
  Label _main_description2;

  Label _service_label;
  TextEntry _service_name;
  Selector _service_selector;
  Label _progress_label;

  Label _config_path_label;
  TextEntry _config_path;
  Button _browse_button;
  FsObjectSelector* _file_selector;
};

class TestHostMachineSettingsPage : public WizardProgressPage
{
public:
  TestHostMachineSettingsPage(WizardForm* host);

  virtual void enter(bool advance);
  virtual void leave(bool advancing);
protected:  
  bool connect_to_host();
  bool find_config_file();
  bool find_error_files();
  bool check_admin_commands();
  virtual void tasks_finished(bool success);
  virtual bool skip_page();

  NewServerInstanceWizard* wizard();
private:
  TaskRow* _connect_task;
  TaskRow* _commands_task;
};

class ReviewPage : public NewServerInstancePage
{
public:
  ReviewPage(WizardForm* host);
protected:
  virtual void enter(bool advancing);
  virtual void leave(bool advancing);
  virtual bool skip_page();
  virtual bool next_closes_wizard();
  virtual std::string close_caption() const { return finish_caption(); }

  void customize_changed();
private:
  Label _description;
  Table _content;
  Label _label;

  TextBox _text;

  CheckBox _customize_check;
};

class PathsPage : public NewServerInstancePage
{
public:
  PathsPage(WizardForm* host, wb::WBContext* context);
protected:
  virtual void enter(bool advancing);
  virtual bool advance();
  virtual bool skip_page();
  void browse_remote_config_file();
  void test_path();
  void test_section();
private:
  wb::WBContext* _context;
  
  Label _description;
  Table _content;

  Label _version_label;
  TextEntry _version;
  
  Label _config_path_label;
  TextEntry _config_path;
  Button _browse_button;
  FsObjectSelector* _file_selector;
  Button _test_config_path_button;
  Label _test_config_path_description;
  
  Label _section_name_label;
  TextEntry _section_name;
  Button _test_section_button;
  Label _test_section_description;
};

class CommandsPage : public NewServerInstancePage
{
public:
  CommandsPage(WizardForm* host);
protected:
  virtual void enter(bool advancing);
  virtual void leave(bool advancing);
  virtual bool advance();
  virtual bool skip_page();
  virtual bool next_closes_wizard() { return true; }
  virtual std::string close_caption() const { return finish_caption(); }

private:
  Label _description;
  Table _content;
  
  Label _start_label;
  TextEntry _start_command;
  Label _stop_label;
  TextEntry _stop_command;
  
  CheckBox _use_sudo;
};

class NewServerInstanceWizard : public WizardForm
{
public:
  NewServerInstanceWizard(wb::WBContext* context, db_mgmt_ConnectionRef connection);
  ~NewServerInstanceWizard();

  db_mgmt_ServerInstanceRef assemble_server_instance();
  grt::ValueRef test_setting_grt(grt::GRT *grt, const std::string &name);
  
  void load_defaults();
  std::string get_server_info(const std::string& key);
  
  wb::WBContext* wb() { return _context; }

  bool is_admin_enabled();
  bool is_local();
  bool test_setting(const std::string &name, std::string &detail);

  void create_instance();

protected:
  wb::WBContext* _context;

  db_mgmt_ConnectionRef _connection;   // The connection for which we are configuring the server instance.
  db_mgmt_ServerInstanceRef _instance; // The server instance we are working on.

private:
  IntroductionPage *_introduction_page;
  TestDatabaseSettingsPage *_test_database_settings_page;
  HostAndRemoteTypePage* _os_page;
  SSHConfigurationPage* _ssh_configuration_page;
  WindowsManagementPage*  _windows_connection_page;
  TestHostMachineSettingsPage* _test_host_machine_settings_page;
  ReviewPage* _review_page;
  PathsPage* _paths_page;
  CommandsPage* _commands_page;

};

#endif // _NEW_SERVER_INSTANCE_WIZARD_H_