//
//  $Id$
//
//  SPSSHTunnel.h
//  sequel-pro
//
//  Created by Rowan Beentje on April 26, 2009.  Inspired by code by
//  Yann Bizuel for SSH Tunnel Manager 2.
//
//  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 2 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//  More info at <http://code.google.com/p/sequel-pro/>

#import <Cocoa/Cocoa.h>
#import <MCPKit/MCPKit.h>

enum spsshtunnel_password_modes
{
	SPSSH_PASSWORD_USES_KEYCHAIN = 0,
	SPSSH_PASSWORD_ASKS_UI = 1,
	SPSSH_NO_PASSWORD = 2
};

@interface SPSSHTunnel : NSObject <MCPConnectionProxy>
{
	IBOutlet NSWindow *sshQuestionDialog;
	IBOutlet NSTextField *sshQuestionText;
	IBOutlet NSButton *sshPasswordKeychainCheckbox;
	IBOutlet NSWindow *sshPasswordDialog;
	IBOutlet NSTextField *sshPasswordText;
	IBOutlet NSSecureTextField *sshPasswordField;

	NSWindow *parentWindow;
	NSTask *task;
	NSPipe *standardError;
	id delegate;
	SEL stateChangeSelector;
	NSConnection *tunnelConnection;
	NSString *lastError;
	NSString *tunnelConnectionName;
	NSString *tunnelConnectionVerifyHash;
	NSString *sshHost;
	NSString *sshLogin;
	NSString *remoteHost;
	NSString *password;
	NSString *keychainName;
	NSString *keychainAccount;
	NSString *requestedPassphrase;
	NSMutableArray *debugMessages;
	BOOL useHostFallback;
	BOOL requestedResponse;
	BOOL passwordInKeychain;
	NSInteger sshPort;
	NSInteger remotePort;
	NSInteger localPort;
	NSInteger localPortFallback;
	NSInteger connectionState;
    
    BOOL isAnswerAvailable;
    NSCondition *answerAvailableCondition;
    NSString *currentKeyName;
}

- (id) initToHost:(NSString *) theHost port:(NSInteger) thePort login:(NSString *) theLogin tunnellingToPort:(NSInteger) targetPort onHost:(NSString *) targetHost;
- (BOOL) setConnectionStateChangeSelector:(SEL)theStateChangeSelector delegate:(id)theDelegate;
- (void) setParentWindow:(NSWindow *)theWindow;
- (BOOL) setPasswordKeychainName:(NSString *)theName account:(NSString *)theAccount;
- (BOOL) setPassword:(NSString *)thePassword;
- (NSInteger) state;
- (NSString *) lastError;
- (NSString *) debugMessages;
- (NSInteger) localPort;
- (NSInteger) localPortFallback;
- (void) connect;
- (void) launchTask:(id) dummy;
- (void) disconnect;
- (void) standardErrorHandler:(NSNotification*)aNotification;
- (NSString *) getPasswordWithVerificationHash:(NSString *)theHash;
- (BOOL) getResponseForQuestion:(NSString *)theQuestion;
- (void) workerGetResponseForQuestion:(NSString *)theQuestion;
- (NSString *) getPasswordForQuery:(NSString *)theQuery verificationHash:(NSString *)theHash;
- (void) workerGetPasswordForQuery:(NSString *)theQuery;
- (IBAction) closeSSHQuestionSheet:(id)sender;
- (IBAction) closeSSHPasswordSheet:(id)sender;

@end