/*
 * Copyright (c) 2009, 2018, 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, version 2.0,
 * as published by the Free Software Foundation.
 *
 * This program is designed to work with certain software (including
 * but not limited to OpenSSL) that is licensed under separate terms, as
 * designated in a particular file or component or in included license
 * documentation.  The authors of MySQL hereby grant you an additional
 * permission to link the program and your derivative works with the
 * separately licensed software that they have either included with
 * the program or referenced in the documentation.
 * 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, version 2.0, 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
 */

#include "base/geometry.h"
#include "base/string_utilities.h"

#import "MySQLViewEditor.h"
#import "MCPPUtilities.h"
#import "MVerticalLayoutView.h"

#include "ScintillaView.h"

#import "DbPrivilegeEditorTab.h"
#include "mysql_view_editor.h"

//----------------------------------------------------------------------------------------------------------------------

@interface DbMysqlViewEditor () {
  IBOutlet NSTabView *tabView;

  IBOutlet NSTextField *nameText;

  IBOutlet MVerticalLayoutView *editorHost;
  IBOutlet NSTextView *commentText;

  MySQLViewEditorBE *mBackEnd;
  DbPrivilegeEditorTab *mPrivileges;
}

@end

//----------------------------------------------------------------------------------------------------------------------

@implementation DbMysqlViewEditor

static void call_refresh(void *theEditor) {
  DbMysqlViewEditor *editor = (__bridge DbMysqlViewEditor *)theEditor;
  [editor performSelectorOnMainThread: @selector(refresh) withObject: nil waitUntilDone: YES];
}

//----------------------------------------------------------------------------------------------------------------------

- (instancetype)initWithModule: (grt::Module *)module arguments: (const grt::BaseListRef &)args {
  self = [super initWithNibName: @"MySQLViewEditor" bundle: [NSBundle bundleForClass: [self class]]];
  if (self != nil) {
    // load GUI. Top level view in the nib is the NSTabView that will be docked to the main window
    [self loadView];

    // take the minimum size of the view from the initial size in the nib.
    // Therefore the nib should be designed as small as possible
    // note: the honouring of the min size is not yet implemented
    [self setMinimumSize: [[tabView superview] frame].size];

    [self reinitWithArguments: args];

    if (mBackEnd && mBackEnd->is_editing_live_object())
      [tabView removeTabViewItem: [tabView tabViewItemAtIndex: [tabView indexOfTabViewItemWithIdentifier: @"comment"]]];
  }
  return self;
}

//----------------------------------------------------------------------------------------------------------------------

- (void)reinitWithArguments:(const grt::BaseListRef &)args {
  [super reinitWithArguments:args];

  delete mBackEnd;

  // setup the editor backend with the schema object (args[0])
  mBackEnd = new MySQLViewEditorBE(db_mysql_ViewRef::cast_from(args[0]));

  // register a callback that will make [self refresh] get called
  // whenever the backend thinks its needed to refresh the UI from the backend data (ie, the
  // edited object was changed from somewhere else in the application)
  mBackEnd->set_refresh_ui_slot(std::bind(call_refresh, (__bridge void *)self));

  NSUInteger index = [tabView indexOfTabViewItemWithIdentifier: @"privileges"];
  if (index != NSNotFound)
    [tabView removeTabViewItem: [tabView tabViewItemAtIndex: index]];

  if (!mBackEnd->is_editing_live_object()) {
    NSTabViewItem *tabItem = [[NSTabViewItem alloc] initWithIdentifier: @"privileges"];
    mPrivileges = [[DbPrivilegeEditorTab alloc] initWithObjectEditor: mBackEnd];
    [tabItem setView: [mPrivileges view]];
    [tabItem setLabel: @"Privileges"];
    [tabView addTabViewItem: tabItem];
  }
  [self setupEditorOnHost: editorHost];
  mBackEnd->load_view_sql();

  // update the UI
  [self refresh];
  mBackEnd->reset_editor_undo_stack();
}

//----------------------------------------------------------------------------------------------------------------------

- (void)dealloc {
  delete mBackEnd;
}

//----------------------------------------------------------------------------------------------------------------------

- (void)refresh {
  if (mBackEnd) {
    [nameText setStringValue: [NSString stringWithCPPString: mBackEnd->get_name()]];
    [self updateTitle:[self title]];

    if (!mBackEnd->is_editing_live_object())
      [commentText setString: [NSString stringWithCPPString: mBackEnd->get_comment()]];

    mBackEnd->load_view_sql();
  }
}

//----------------------------------------------------------------------------------------------------------------------

- (id)panelId {
  // an identifier for this editor (just take the object id)
  return [NSString stringWithCPPString: mBackEnd->get_object().id()];
}

//----------------------------------------------------------------------------------------------------------------------

- (BOOL)matchesIdentifierForClosingEditor:(NSString *)identifier {
  return mBackEnd->should_close_on_delete_of([identifier UTF8String]);
}

//----------------------------------------------------------------------------------------------------------------------

- (void)textDidEndEditing:(NSNotification *)aNotification {
  if ([[aNotification object] isKindOfClass:[ScintillaView class]]) {
    // Name field could change.
    if (!self->mBackEnd->get_name().compare([[self->nameText stringValue] UTF8String]))
      [self->nameText setStringValue: [NSString stringWithCPPString: self->mBackEnd->get_name()]];
  } else if ([aNotification object] == commentText) {
    [[aNotification object] breakUndoCoalescing];

    // Set comment for the view.
    mBackEnd->set_comment([[commentText string] UTF8String]);
  }
}

//----------------------------------------------------------------------------------------------------------------------

- (bec::BaseEditor *)editorBE {
  return mBackEnd;
}

@end

//----------------------------------------------------------------------------------------------------------------------
